IntChron

Records

Borrobol

z_type: depth
record_comment: Palaeo lake
site: Borrobol
country: UK
region: Scotland
latitude: 58.158000946045
longitude: -3.8329999446869
record: Borrobol
site_type: Terrestrial

Data series

QUEST652/124_Majors

series: QUEST652/124_Majors
series_type: Tephra_Sample_Majors
z: 3.86
z_range: 0.04
sample: QUEST652/124
context: Vedde ash
tephra_type: distal
tephra_deposit: fall
material: ash
collected_by: quest
volc_region: EVZ
volcano: Katla
eruption: Vedde Ash

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST652/124/01	QUEST-11	QUEST-WDS	71.65	0.38	13.79	3.77	0.18	0.23	1.37	4.46	3.67	0	0	0	99.49	1
QUEST652/124/02	QUEST-11	QUEST-WDS	71.28	0.32	13.18	3.95	0.16	0.2	1.33	4.69	3.5	0	0	0	98.61	1
QUEST652/124/03	QUEST-11	QUEST-WDS	71.22	0.29	12.97	3.84	0.16	0.23	1.31	4.39	3.4	0	0	0	97.81	1
QUEST652/124/04	QUEST-11	QUEST-WDS	70.86	0.33	13.21	3.8	0.17	0.23	1.25	4.86	3.48	0	0	0	98.19	1
QUEST652/124/05	QUEST-11	QUEST-WDS	70.84	0.27	13.05	3.76	0.14	0.23	1.4	3.61	3.56	0	0	0	96.88	1
QUEST652/124/06	QUEST-11	QUEST-WDS	70.66	0.21	13.28	3.72	0.15	0.2	1.39	5	3.86	0	0	0	97.99	1
QUEST652/124/07	QUEST-11	QUEST-WDS	70.57	0.27	13.01	3.64	0.16	0.25	1.38	4.13	3.38	0	0	0	96.81	1
QUEST652/124/08	QUEST-11	QUEST-WDS	70.31	0.25	13.52	3.72	0.2	0.2	1.31	4.84	3.37	0	0	0	97.72	1
QUEST652/124/09	QUEST-11	QUEST-WDS	70.29	0.34	13.25	3.86	0.13	0.24	1.33	4.67	3.41	0	0	0	97.52	1
QUEST652/124/10	QUEST-11	QUEST-WDS	70.26	0.23	13.16	3.69	0.14	0.2	1.33	4.82	3.48	0	0	0	97.3	1
QUEST652/124/11	QUEST-11	QUEST-WDS	70.18	0.25	13.54	3.75	0.13	0.21	1.27	4.76	3.56	0	0	0	97.65	1
QUEST652/124/12	QUEST-11	QUEST-WDS	70.15	0.23	13.04	3.59	0.13	0.22	1.37	4.23	3.24	0	0	0	96.21	1
QUEST652/124/13	QUEST-11	QUEST-WDS	70.03	0.3	13.44	3.59	0.11	0.21	1.34	4.81	3.49	0	0	0	97.32	1
QUEST652/124/14	QUEST-11	QUEST-WDS	69.94	0.31	13.25	3.55	0.17	0.17	1.31	4.22	3.39	0	0	0	96.31	1
QUEST652/124/15	QUEST-11	QUEST-WDS	69.51	0.27	13.04	3.6	0.13	0.2	1.25	4.53	3.24	0	0	0	95.77	1
QUEST652/124/16	QUEST-11	QUEST-WDS	69.44	0.28	13.48	3.73	0.17	0.23	1.19	4.66	3.43	0	0	0	96.61	1
QUEST652/124/17	QUEST-11	QUEST-WDS	69.37	0.25	12.98	3.55	0.11	0.21	1.33	4.32	3.54	0	0	0	95.66	1
QUEST652/124/18	QUEST-11	QUEST-WDS	69.24	0.32	13.26	3.74	0.14	0.27	1.28	4.43	3.38	0	0	0	96.06	1
QUEST652/124/19	QUEST-11	QUEST-WDS	69.19	0.33	13.02	3.79	0.15	0.2	1.24	4.27	3.32	0	0	0	95.5	1
QUEST652/124/20	QUEST-11	QUEST-WDS	69.15	0.29	13.22	3.81	0.18	0.2	1.16	5.02	3.44	0	0	0	96.48	1
QUEST652/124/21	QUEST-11	QUEST-WDS	69.08	0.28	13.09	3.92	0.17	0.25	1.26	4.65	3.39	0	0	0	96.1	1
QUEST652/124/22	QUEST-11	QUEST-WDS	68.97	0.25	13.27	3.66	0.15	0.22	1.32	4.21	3.55	0	0	0	95.61	1

QUEST652/136_Majors

series: QUEST652/136_Majors
series_type: Tephra_Sample_Majors
z: 4.195
z_range: 0.01
sample: QUEST652/136
context: Borrobol
tephra_type: distal
tephra_deposit: fall
material: ash
collected_by: quest
volc_region: Iceland
volcano: Iceland_volcanoes

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST652/136/08	QUEST-11	QUEST-WDS	74.42	0.13	12.62	1.51	0.03	0.11	0.72	3.87	3.74	0	0	0	97.15	1
QUEST652/136/09	QUEST-11	QUEST-WDS	73.56	0.09	12.52	1.55	0.08	0.11	0.75	3.53	3.8	0	0	0	95.97	1
QUEST652/136/10	QUEST-11	QUEST-WDS	73.51	0.1	12.25	1.42	0.07	0.14	0.74	3.74	3.81	0	0	0	95.76	1
QUEST652/136/11	QUEST-11	QUEST-WDS	73.35	0.13	12.36	1.47	0.05	0.1	0.77	3.57	3.89	0	0	0	95.69	1
QUEST652/136/12	QUEST-11	QUEST-WDS	73	0.1	12.39	1.47	0.1	0.09	0.84	3.66	3.86	0	0	0	95.51	1
QUEST652/136/13	QUEST-11	QUEST-WDS	73.39	0.15	12.29	1.49	0.02	0.12	0.77	3.58	3.68	0	0	0	95.5	1
QUEST652/136/14	QUEST-11	QUEST-WDS	72.92	0.06	12.35	1.53	0.09	0.13	0.75	3.77	3.86	0	0	0	95.46	1
QUEST652/136/15	QUEST-11	QUEST-WDS	73.41	0.1	12.34	1.53	0.04	0.09	0.71	3.52	3.74	0	0	0	95.45	1
QUEST652/136/16	QUEST-11	QUEST-WDS	73.51	0.1	12.25	1.51	0.03	0.13	0.71	3.35	3.82	0	0	0	95.39	1
QUEST652/136/17	QUEST-11	QUEST-WDS	73.33	0.14	12.27	1.55	0.07	0.14	0.71	3.46	3.69	0	0	0	95.35	1
QUEST652/136/18	QUEST-11	QUEST-WDS	73.13	0.13	12.27	1.49	0	0.14	0.74	3.39	3.94	0	0	0	95.24	1
QUEST652/136/19	QUEST-11	QUEST-WDS	73.22	0.1	12.31	1.57	0.07	0.07	0.67	3.55	3.69	0	0	0	95.24	1
QUEST652/136/20	QUEST-11	QUEST-WDS	73.1	0.12	12.35	1.48	0.09	0.11	0.8	3.58	3.6	0	0	0	95.23	1
QUEST652/136/21	QUEST-11	QUEST-WDS	73.85	0.13	11.78	1.18	0.04	0.11	0.76	3.58	3.78	0	0	0	95.22	1
QUEST652/136/22	QUEST-11	QUEST-WDS	73.27	0.13	12.41	1.34	0.07	0.13	0.76	3.41	3.71	0	0	0	95.22	1
QUEST652/136/23	QUEST-11	QUEST-WDS	73.2	0.11	12.22	1.49	0.05	0.14	0.77	3.35	3.83	0	0	0	95.16	1
QUEST652/136/24	QUEST-11	QUEST-WDS	73.12	0.09	12.29	1.46	0.05	0.11	0.76	3.58	3.71	0	0	0	95.16	1
QUEST652/136/25	QUEST-11	QUEST-WDS	73.1	0.11	12.14	1.56	0.08	0.11	0.79	3.61	3.66	0	0	0	95.16	1
QUEST652/136/01	QUEST-34	QUEST-WDS	72.96	0.17	12.73	1.45	0.01	0.08	0.71	3.86	3.79	0	0	0	95.77	1
QUEST652/136/02	QUEST-34	QUEST-WDS	72.7	0.15	12.63	1.43	0.02	0.08	0.75	3.78	3.86	0	0	0	95.41	1
QUEST652/136/03	QUEST-34	QUEST-WDS	72.53	0.1	12.64	1.38	0.07	0.06	0.79	3.83	3.79	0	0	0	95.19	1
QUEST652/136/04	QUEST-34	QUEST-WDS	72.51	0.14	12.58	1.45	0.02	0.08	0.72	3.78	3.85	0	0	0	95.13	1
QUEST652/136/05	QUEST-34	QUEST-WDS	72.67	0.09	12.5	1.33	0	0.08	0.69	3.79	3.88	0	0	0	95.04	1
QUEST652/136/06	QUEST-34	QUEST-WDS	72.63	0.13	12.53	1.32	0.03	0.06	0.72	3.76	3.86	0	0	0	95.04	1
QUEST652/136/07	QUEST-34	QUEST-WDS	72.72	0.12	12.51	1.3	0.03	0.06	0.67	3.78	3.84	0	0	0	95.03	1

QUEST652/119_Majors

series: QUEST652/119_Majors
series_type: Tephra_Sample_Majors
z: 4.035
z_range: 0.01
sample: QUEST652/119
context: Penifiler Tephra
tephra_type: distal
tephra_deposit: fall
material: ash
collected_by: quest
volc_region: Iceland
volcano: Iceland_volcanoes

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST652/119/01	QUEST-34	QUEST-WDS	72.64	0.14	12.46	1.51	0.07	0.06	0.74	3.63	3.86	0	0	0	95.11	1
QUEST652/119/02	QUEST-34	QUEST-WDS	72.59	0.15	12.47	1.45	0.03	0.09	0.8	3.54	3.95	0	0	0	95.06	1
QUEST652/119/03	QUEST-34	QUEST-WDS	72.62	0.17	12.4	1.46	0	0.08	0.78	3.59	3.97	0	0	0	95.06	1

Tephra_Samples

series: Tephra_Samples
series_type: Tephra_Samples

z	z_range	sample	t	t_sigma	context	sector	tephra_type	tephra_deposit	material	tephra_shards	tephra_shards_abs	volc_region	volcano	eruption	notes
4.195	0.01	QUEST652/136			Borrobol		distal	fall	ash	11	0	Iceland	Iceland_volcanoes
3.86	0.04	QUEST652/124	-10170.5	1	Vedde ash		distal	fall	ash	9999	0	EVZ	Katla	Vedde Ash
4.035	0.01	QUEST652/119			Penifiler Tephra		distal	fall	ash	18	0	Iceland	Iceland_volcanoes

Tephras

series: Tephras
series_type: Tephras

z	z_range	t	t_sigma	sample	volc_region	volcano	eruption	ref
3.86	0.04	-10170.5	1	QUEST652/124	EVZ	Katla	Vedde Ash	doi:10.1144/gsjgs.154.4.0605
3.86	0.04	-10170.5	1	QUEST652/124	EVZ	Katla	Vedde Ash	doi:10.1002/(sici)1099-1417(199711/12)12:6<525::aid-jqs347>3.3.co;2-d

data_url: https://intchron.org/public.php?record=reset/Borrobol

Druim_Loch

z_type: depth
record_comment: Lake
site: Druim Loch
country: UK
region: Scotland
latitude: 57.400001525879
longitude: -6.25
elevation: 85
record: Druim_Loch
site_type: Terrestrial

Data series

QUEST654/119_Majors

series: QUEST654/119_Majors
series_type: Tephra_Sample_Majors
z: 10.005
z_range: 0.01
sample: QUEST654/119
context: Penifiler Tephra
sector: DL-e3
tephra_type: distal
tephra_deposit: fall
material: ash
collected_by: quest
volc_region: Iceland
volcano: Iceland_volcanoes

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST654/119/01	QUEST-34	QUEST-WDS	74.77	0.17	13.13	1.15	0	0.06	0.68	4.2	3.9	0	0	0	98.07	1
QUEST654/119/02	QUEST-34	QUEST-WDS	74.8	0.14	12.64	1.34	0	0.07	0.71	4.05	3.63	0	0	0	97.39	1
QUEST654/119/03	QUEST-34	QUEST-WDS	73.98	0.15	13.31	1.15	0	0.05	0.65	3.97	3.69	0	0	0	96.95	1
QUEST654/119/04	QUEST-34	QUEST-WDS	73.95	0.21	12.6	1.41	0	0.06	0.72	3.92	3.72	0	0	0	96.59	1
QUEST654/119/05	QUEST-34	QUEST-WDS	73.02	0.16	12.89	1.25	0	0.05	0.66	3.65	3.72	0	0	0	95.4	1

QUEST654/120_Majors

series: QUEST654/120_Majors
series_type: Tephra_Sample_Majors
z: 10.135
z_range: 0.01
sample: QUEST654/120
context: Ashik ash
sector: DL-d3
tephra_type: distal
tephra_deposit: fall
material: ash
collected_by: quest
volc_region: EVZ
volcano: Torfajökull
eruption: Ashik ash

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST654/120A/01	QUEST-34	QUEST-WDS	73.57	0.26	13.21	2.86	0	0.09	0.48	5.31	4.11	0	0	0	99.89	1
QUEST654/120A/02	QUEST-34	QUEST-WDS	73.59	0.24	12.72	2.94	0	0.05	0.39	5.18	4.24	0	0	0	99.36	1
QUEST654/120A/03	QUEST-34	QUEST-WDS	72.63	0.24	13.74	2.85	0	0.07	0.39	4.88	3.85	0	0	0	98.64	1
QUEST654/120A/04	QUEST-34	QUEST-WDS	72.37	0.25	13.02	2.79	0	0.08	0.5	4.82	4.08	0	0	0	97.91	1
QUEST654/120A/05	QUEST-34	QUEST-WDS	69.07	0.22	17.22	2.67	0	0.11	0.4	4.28	3.69	0	0	0	97.65	1
QUEST654/120A/06	QUEST-34	QUEST-WDS	71.11	0.1	14.77	2.81	0	0.06	0.42	4.3	3.96	0	0	0	97.51	1
QUEST654/120A/07	QUEST-34	QUEST-WDS	71.26	0.26	14.33	2.76	0	0.07	0.45	4.05	3.96	0	0	0	97.14	1
QUEST654/120A/08	QUEST-34	QUEST-WDS	70.7	0.19	14.06	2.82	0	0.11	0.48	4.55	4.03	0	0	0	96.93	1
QUEST654/120A/09	QUEST-34	QUEST-WDS	70.86	0.11	13.22	2.83	0	0.05	0.38	4.39	4.17	0	0	0	96.02	1
QUEST654/120A/10	QUEST-34	QUEST-WDS	71.76	0.23	12.49	2.91	0	0.06	0.39	3.96	4.06	0	0	0	95.87	1
QUEST654/120A/11	QUEST-34	QUEST-WDS	70.19	0.26	13.49	2.81	0	0.05	0.41	4.33	4.01	0	0	0	95.54	1
QUEST654/120A/12	QUEST-34	QUEST-WDS	69.82	0.23	13.09	2.82	0	0.09	0.42	4.52	4.08	0	0	0	95.06	1

QUEST654/120B_Majors

series: QUEST654/120B_Majors
series_type: Tephra_Sample_Majors
z: 10.135
z_range: 0.01
sample: QUEST654/120B
context: Ashik ash
sector: DL-d3
tephra_type: distal
tephra_deposit: fall
material: ash
collected_by: quest
volc_region: EVZ
volcano: Torfajökull
eruption: Ashik ash
notes: basaltic component

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST654/120B/01	QUEST-34	QUEST-WDS	50.2	2.44	13.73	12.83	0	6.19	10.59	2.67	0.44	0	0	0	99.11	1
QUEST654/120B/02	QUEST-34	QUEST-WDS	50.4	3.65	12.76	14.47	0	4.68	8.75	3.18	0.6	0	0	0	98.49	1
QUEST654/120B/03	QUEST-34	QUEST-WDS	47.6	3.97	13.41	14.58	0	5.06	9.84	3.07	0.84	0	0	0	98.37	1
QUEST654/120B/04	QUEST-34	QUEST-WDS	49.98	2.41	13.55	12.94	0	5.86	10.34	2.73	0.44	0	0	0	98.25	1
QUEST654/120B/05	QUEST-34	QUEST-WDS	47.35	4.13	13.21	14.24	0	5.08	9.78	2.96	0.95	0	0	0	97.72	1
QUEST654/120B/06	QUEST-34	QUEST-WDS	49.38	3.44	12.9	14.07	0	4.66	8.9	3.05	0.57	0	0	0	96.99	1

Tephra_Samples

series: Tephra_Samples
series_type: Tephra_Samples

z	z_range	sample	t	t_sigma	context	sector	tephra_type	tephra_deposit	material	tephra_shards	tephra_shards_abs	volc_region	volcano	eruption	notes
10.135	0.01	QUEST654/120	-8449.5	300	Ashik ash	DL-d3	distal	fall	ash	38	0	EVZ	Torfajökull	Ashik ash
10.005	0.01	QUEST654/119			Penifiler Tephra	DL-e3	distal	fall	ash	304	0	Iceland	Iceland_volcanoes
9.795	0.01	QUEST654/3	-10170.5	1	Vedde ash	DL-e3	distal	fall	ash	220	0	EVZ	Katla	Vedde Ash
10.135	0.01	QUEST654/120B	-8449.5	300	Ashik ash	DL-d3	distal	fall	ash	11	0	EVZ	Torfajökull	Ashik ash	basaltic component

Tephras

series: Tephras
series_type: Tephras

z	z_range	t	t_sigma	sample	volc_region	volcano	eruption	ref
10.135	0.01	-8449.5	300	QUEST654/120	EVZ	Torfajökull	Ashik ash	doi:10.1002/jqs.1066
10.135	0.01	-8449.5	300	QUEST654/120B	EVZ	Torfajökull	Ashik ash	doi:10.1002/jqs.1066
9.795	0.01	-10170.5	1	QUEST654/3	EVZ	Katla	Vedde Ash

data_url: https://intchron.org/public.php?record=reset/Druim_Loch

Iceland_volcanoes

record_comment: Unknown source
site: Iceland volcanoes
country: Iceland
region: Iceland
record: Iceland_volcanoes
site_type: Volcano

Data series

Eruptions

series: Eruptions
series_type: Volc_Eruptions

eruption	eruption_type	t	t_sigma	t_source	ref	notes
PMG-5	Plinian	1600.5	100		doi:10.1191/0959683602hl538rr	possibly c. AD 1600 interpolated (Hall & Pilcher 2002).
BIP-24	Plinian	900.5	100		doi:10.1111/j.1502-3885.2005.tb01011.x	c. AD 900 interpolated
AD860 Layer part B	Plinian	860.5	20		doi:10.1177/095968369500500111	c. AD 860 ± 20 radiocarbon wiggle-match at Sluggan (AD lower layer, colourless tephra shards, two populations)
OMH-185 (Barnsmore)	Plinian	-716.5	38	IntCal04	doi:10.1191/0959683604hl757rr	c. 755-680 cal BC (Plunkett et al. 2004). According to Hall and Pilcher (2002) this is probably equivalent to the DOM-6 'microlite' tephra in Germany.
Derrycunihy Wood SH-1	Plinian
FMAZ II (Fugloyarbanki)	Plinian	-24739.5	1	GICC05	doi:10.1002/jqs.1182	26740 ± 390 yr b2k in NGRIP 1848.05
Borrobol	Plinian	-12094.5	95	IntCal09	doi:10.1002/jqs.1498	Best current estimate is 14.14-13.95 cal ka BP (Bayesian age model). Replaces Turney et al. (1997) date of c.14.4 cal ka BP. Davies et al. (2004) suggestion of 2 eruptions has been revised by Matthews et al. (2011).
L3574	Plinian					No age given, reported as 'older than Saksunarvatn tephra' by Dugmore and Newton (1997). Turney et al. (2006) suggests an age of c. 10.8 ka cal. BP.
OWB-105 AD700	Plinian	700.5	100		doi:10.1191/0959683602hl538rr	c. AD 700 interpolated (Hall & Pilcher 2002).
Penifiler Tephra	Plinian	-11929.5	200	IntCal09	doi:10.1002/jqs.1498	14.08-13.68 cal ka BP (Bayesian age model)
Sluggan A	Plinian	-12549.5	500		doi:10.1002/jqs.990	c. 14500 cal BP suggested by Turney et al. (2006)
Sluggan B	Plinian	-10849.5	500		doi:10.1002/jqs.990	c. 12800 cal BP suggested by Turney et al. (2006)
AD860 Layer part A	Plinian	860.5	20		doi:10.1177/095968369500500111	c. AD 860 ± 20 radiocarbon wiggle-match at Sluggan (AD lower layer, colourless tephra shards, two populations)
BMR-90 AD920	Plinian	920.5	100		doi:10.1191/0959683602hl538rr	c. AD 920 interpolated (Hall & Pilcher 2002)
Breakish Tephra	Plinian				doi:10.1002/jqs.1066	no date suggested although position above the Ashik tephra and Saksunarvatn indicates an age in the early-mid Holocene.
DOM-6 'microlite' tephra	Plinian	-696.5	35		doi:10.1006/qres.2002.2325	c. 730-664 cal BC radiocarbon (van den Bogaard et al. 2002). According to Hall & Pilcher (2002) this is probably equivalent to the OMH-185 (Barnsmore) tephra.
GB4-182	Plinian	-1349.5	200		doi:10.1191/0959683602hl538rr	c. 1350 cal BC interpolated (Hall & Pilcher 2002)
GB4-50 AD1250	Plinian	1250.5	100		doi:10.1191/0959683602hl538rr	c. AD 1250 interpolated (Hall & Pilcher 2002)
Harthorpe Moss tephra	Plinian				doi:10.1177/095968369600600112
Lough Portain B	Plinian		0		doi:10.1177/095968369500500301	sub-population of Hekla AD 1510 eruption (Lough Portain A). Status is unclear, not a distinct isochrone
MOR-T4	Plinian	1000.5	100		doi:10.1191/0959683604hl749rp	c. cal AD 1000 interpolated (Chambers et al. 2004)
Roddans Port A	Plinian				doi:10.1002/jqs.990	two sub-populations (A & B) at 63-64 cm depth, dating unclear, pre-Vedde Ash.
Roddans Port B	Plinian				doi:10.1002/jqs.990	two sub-populations (A & B) at 63-64 cm depth, dating unclear, pre-Vedde Ash.
SLU-5	Plinian	1650.5	50		doi:10.1191/0959683602hl538rr	c. AD 1600-1700 interpolated (Hall & Pilcher 2002)
Stomyren tephra	Plinian	-149.5	100		doi:10.1016/j.quaint.2004.04.030	c. 2100 cal yr BP interpolated (Wastegard 2005)
Vallensgard Mose tephra	Plinian				doi:10.1002/jqs.990	Stratigraphic position is similar to Vedde Ash, in the middle of the Younger Dryas, but geochemistry is different. Unclear if this is a significant tephra horizon.
NAAZ I	Plinian	-10449.5	500	Marine04	doi:10.1016/j.quascirev.2006.03.001	Diffuse layer representing c. 11 ka 14C yr GS-1 ash zone containing components from I-Thol-2 (Grímsvötn), I-Rhy.1 (Katla) and I-Thol-1 (Veidivötn). It is commonly believed that the biggest contributor is the rhyolitic component of the Vedde Ash.
L-274	Plinian	-8274.5	100	IntCal09	doi:10.1016/j.quaint.2011.05.014	14C modeled age of 10,325-10,125 yr cal BP (Lind & Wastegard 2011).
5d-BAS	Plinian	-109549.5	5000	Orbital	doi:10.1016/s0277-3791(98)00038-9	Probably represents an eruption complex. Several geochemical populations: BAS-I, BAS-II, BAS-III.
5e-Midt	Plinian	-123049.5	5000	Orbital	doi:10.1016/s0277-3791(98)00038-9	Probably represents an eruption complex. Several geochemical populations: RHY, INT, BAS & TAB (the 5e-Midt/TRACHY is believed to be from Jan Mayen). Wallrabe-Adams & Lackschewitz (2002) suggest either Vatnafjoll or Vestmannaeyjar may be the source.
5e-Low	Plinian	-127549.5	5000	Orbital	doi:10.1016/s0277-3791(98)00038-9	Probably represents an eruption complex. Several geochemical populations. Wallrabe-Adams & Lackschewitz (2002) suggest either Vatnafjoll or Vestmannaeyjar may be the source.
St. 5a-THOL-1	Plinian	-74549.5	5000	Orbital	doi:10.1016/0012-821x(95)00145-3	THOL geochemical composition
St. 7-RHY-I & II	Plinian	-208049.5	20000	Orbital	doi:10.1002/jqs.3390060205	RHY-I & RHY-II geochemical compositions
St. 7-BAS/INT-I	Plinian	-208549.5	20000	Orbital	doi:10.1002/jqs.3390060205	INT-I & INT/BAS-I geochemical compositions
St. 9-RHY-I	Plinian	-328049.5	30000	Orbital	doi:10.1002/jqs.3390060205	RHY geochemical composition; possible equivalent to NAAZ III (III-RHY-I, c.320 ka)
St. 9-BAS-I	Plinian	-328049.5	30000	Orbital	doi:10.1002/jqs.3390060205	BAS geochemcial composition

AD860 Layer part B_Distribution

series: AD860 Layer part B_Distribution
series_type: Tephra_Distribution
eruption: AD860 Layer part B

site	country	longitude	latitude	elevation	site_type	sample	tephra_type	tephra_deposit	material	z_range	collected	collected_by	notes
Ballysculllian East	UK	-6.462999821	54.79750061	44	Terrestrial	QUEST621/111	distal	fall	ash			quest
Borg Indrepollen	Norway	13.49400043	68.14499664		Terrestrial	QUEST636/111	distal	fall	ash			quest

BIP-24_Distribution

series: BIP-24_Distribution
series_type: Tephra_Distribution
eruption: BIP-24

	site	country	longitude	latitude	elevation	site_type	sample	tephra_type	tephra_deposit	material	z_range	collected	collected_by	notes
	Borg Indrepollen	Norway	13.49400043	68.14499664		Terrestrial	QUEST636/110	distal	fall	ash			quest

Derrycunihy Wood SH-1_Distribution

series: Derrycunihy Wood SH-1_Distribution
series_type: Tephra_Distribution
eruption: Derrycunihy Wood SH-1

	site	country	longitude	latitude	elevation	site_type	sample	tephra_type	tephra_deposit	material	z_range	collected	collected_by	notes
	Derrycunihy Wood	Ireland	-9.416669846	52.01670074		Terrestrial	QUEST580/113	distal	fall	ash			quest

NAAZ I_Distribution

series: NAAZ I_Distribution
series_type: Tephra_Distribution
eruption: NAAZ I

	site	country	longitude	latitude	elevation	site_type	sample	tephra_type	tephra_deposit	material	z_range	collected	collected_by	notes
	K708-1		-23.75	50	-4053	Marine	QUEST709/3	distal	fall	ash			quest

data_url: https://intchron.org/public.php?record=reset/Iceland_volcanoes

Loch_An_t_Suidh

z_type: depth
record_comment: Lake
site: Loch An t'Suidh
country: UK
region: Scotland
latitude: 56.299999237061
longitude: -6.25
elevation: 30
record: Loch_An_t_Suidh
site_type: Terrestrial

Data series

QUEST663/119_Majors

series: QUEST663/119_Majors
series_type: Tephra_Sample_Majors
z: 6.415
z_range: 0.01
sample: QUEST663/119
context: Penifiler Tephra
sector: LAS-nt-7
tephra_type: distal
tephra_deposit: fall
material: ash
collected_by: quest
volc_region: Iceland
volcano: Iceland_volcanoes

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST663/119/01	QUEST-34	QUEST-WDS	74.01	0.13	12.49	1.22	0	0.05	0.63	3.58	4.17	0	0	0	96.27	1
QUEST663/119/02	QUEST-34	QUEST-WDS	73.71	0.13	12.65	1.03	0.02	0.04	0.68	3.98	3.92	0	0	0	96.15	1
QUEST663/119/03	QUEST-34	QUEST-WDS	74.08	0.13	12.37	1.09	0	0.04	0.55	3.51	4.08	0	0	0	95.85	1
QUEST663/119/04	QUEST-34	QUEST-WDS	73.41	0.12	12.47	1.38	0.12	0.06	0.66	3.64	3.9	0	0	0	95.76	1
QUEST663/119/05	QUEST-34	QUEST-WDS	72.83	0.08	12.05	1.92	0.06	0.16	0.81	3.59	3.93	0	0	0	95.44	1
QUEST663/119/06	QUEST-34	QUEST-WDS	73.59	0.11	12.24	1.23	0	0.01	0.56	3.55	4.12	0	0	0	95.41	1
QUEST663/119/07	QUEST-34	QUEST-WDS	73.23	0.1	12.3	1.22	0.07	0.05	0.63	3.52	4.11	0	0	0	95.23	1
QUEST663/119/08	QUEST-34	QUEST-WDS	72.48	0.17	12.68	1.48	0.05	0.09	0.89	3.5	3.86	0	0	0	95.2	1
QUEST663/119/09	QUEST-34	QUEST-WDS	73.22	0.12	12.37	1.02	0.04	0.01	0.57	3.63	4.14	0	0	0	95.1	1
QUEST663/119/10	QUEST-34	QUEST-WDS	72.66	0.11	12.16	1.72	0.06	0.12	0.73	3.47	4.04	0	0	0	95.08	1
QUEST663/119/11	QUEST-34	QUEST-WDS	72.88	0.1	12.31	1.35	0	0.06	0.67	3.68	4.04	0	0	0	95.08	1
QUEST663/119/12	QUEST-34	QUEST-WDS	72.14	0.16	12.69	1.58	0.06	0.12	0.88	3.49	3.91	0	0	0	95.03	1
QUEST663/119/13	QUEST-34	QUEST-WDS	72.95	0.11	12.28	1.36	0.1	0.07	0.64	3.52	4	0	0	0	95.03	1
QUEST663/119/14	QUEST-34	QUEST-WDS	73.18	0.09	12.2	1.13	0.08	0.03	0.58	3.54	4.17	0	0	0	95	1

QUEST663/136_Majors

series: QUEST663/136_Majors
series_type: Tephra_Sample_Majors
z: 6.615
z_range: 0.01
sample: QUEST663/136
context: Borrobol
sector: LAS-nt-7
tephra_type: distal
tephra_deposit: fall
material: ash
collected_by: quest
volc_region: Iceland
volcano: Iceland_volcanoes

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST663/136/01	QUEST-34	QUEST-WDS	73.04	0.13	12.87	1.54	0.2	0.1	0.8	3.77	3.72	0	0	0	96.16	1
QUEST663/136/02	QUEST-34	QUEST-WDS	73.08	0.17	12.56	1.57	0.06	0.11	0.81	3.51	3.83	0	0	0	95.7	1
QUEST663/136/03	QUEST-34	QUEST-WDS	72.56	0.2	12.58	1.63	0.08	0.12	0.83	3.38	3.89	0	0	0	95.26	1
QUEST663/136/04	QUEST-34	QUEST-WDS	72.57	0.13	12.7	1.48	0.03	0.09	0.8	3.5	3.87	0	0	0	95.17	1
QUEST663/136/05	QUEST-34	QUEST-WDS	72.74	0.14	12.55	1.42	0.09	0.1	0.86	3.34	3.87	0	0	0	95.11	1

Tephra_Samples

series: Tephra_Samples
series_type: Tephra_Samples

z	z_range	sample	t	t_sigma	context	sector	tephra_type	tephra_deposit	material	tephra_shards	tephra_shards_abs	volc_region	volcano	eruption	notes
6.615	0.01	QUEST663/136			Borrobol	LAS-nt-7	distal	fall	ash	67	0	Iceland	Iceland_volcanoes
6.415	0.01	QUEST663/119			Penifiler Tephra	LAS-nt-7	distal	fall	ash	70	0	Iceland	Iceland_volcanoes
5.965	0.01	QUEST663/77	-8449.5	300	Ashik ash	LAS-nt-7	distal	fall	ash	87	0	EVZ	Torfajökull	Ashik ash
6.105	0.01	QUEST663/3	-10170.5	1	Vedde ash	LAS-nt-7	distal	fall	ash	796	0	EVZ	Katla	Vedde Ash

Tephras

series: Tephras
series_type: Tephras

z	z_range	t	t_sigma	sample	volc_region	volcano	eruption	ref
6.105	0.01	-10170.5	1	QUEST663/3	EVZ	Katla	Vedde Ash
5.965	0.01	-8449.5	300	QUEST663/77	EVZ	Torfajökull	Ashik ash

data_url: https://intchron.org/public.php?record=reset/Loch_An_t_Suidh

Loch_Ashik

z_type: depth
record_comment: Lake
site: Loch Ashik
country: UK
region: Scotland
latitude: 57.25
longitude: -5.8333301544189
elevation: 40
record: Loch_Ashik
site_type: Terrestrial

Data series

QUEST664/118_Majors

series: QUEST664/118_Majors
series_type: Tephra_Sample_Majors
z: 2.755
z_range: 0.01
sample: QUEST664/118
context: Breakish Tephra
sector: Basin B
tephra_type: distal
tephra_deposit: fall
material: ash
collected_by: quest
volc_region: Iceland
volcano: Iceland_volcanoes

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST664/118/01	QUEST-34	QUEST-WDS	72.02	0.48	12.89	3.64	0.09	0.43	2.34	3.6	2.05	0	0	0	97.54	1
QUEST664/118/02	QUEST-34	QUEST-WDS	71.43	0.49	12.79	3.7	0.05	0.39	2.36	3.52	2.09	0	0	0	96.83	1
QUEST664/118/03	QUEST-34	QUEST-WDS	71.44	0.5	12.66	3.54	0.1	0.41	2.24	3.64	2.03	0	0	0	96.56	1
QUEST664/118/04	QUEST-34	QUEST-WDS	70.85	0.48	12.62	3.47	0.07	0.43	2.32	3.45	2.09	0	0	0	95.76	1

QUEST664/119_Majors

series: QUEST664/119_Majors
series_type: Tephra_Sample_Majors
z: 9.335
z_range: 0.01
sample: QUEST664/119
context: Penifiler Tephra
sector: LA-lsl-W
tephra_type: distal
tephra_deposit: fall
material: ash
collected_by: quest
volc_region: Iceland
volcano: Iceland_volcanoes
notes: rhyolitic component

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST664/119/01	QUEST-34	QUEST-WDS	74.31	0.2	13.76	0.9	0	0.24	1.11	3.79	3.1	0	0	0	97.4	1
QUEST664/119/02	QUEST-34	QUEST-WDS	72.1	0.15	12.97	1.25	0	0.07	0.69	4.06	3.64	0	0	0	94.92	1

QUEST664/119B_Majors

series: QUEST664/119B_Majors
series_type: Tephra_Sample_Majors
z: 9.335
z_range: 0.01
sample: QUEST664/119B
context: Penifiler Tephra
sector: LA-lsl-W
tephra_type: distal
tephra_deposit: fall
material: ash
collected_by: quest
volc_region: Iceland
volcano: Iceland_volcanoes
notes: basaltic component

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST664/119B/01	QUEST-34	QUEST-WDS	46.9	4.28	13.3	14.51	0	4.88	9.67	2.94	0.84	0	0	0	97.31	1
QUEST664/119B/02	QUEST-34	QUEST-WDS	46.83	4.49	13.12	14.76	0	5.18	9.87	3.04	0.81	0	0	0	98.09	1
QUEST664/119B/03	QUEST-34	QUEST-WDS	47.05	4.62	13.21	14.77	0	5.01	9.73	3.11	0.71	0	0	0	98.21	1
QUEST664/119B/04	QUEST-34	QUEST-WDS	47.26	4.53	13.06	15	0	4.99	9.7	2.93	0.77	0	0	0	98.25	1
QUEST664/119B/05	QUEST-34	QUEST-WDS	47.2	4.62	13.12	14.81	0	4.99	9.78	3.17	0.74	0	0	0	98.42	1
QUEST664/119B/06	QUEST-34	QUEST-WDS	47.01	4.62	13.14	14.86	0	4.94	10.04	3.1	0.8	0	0	0	98.51	1
QUEST664/119B/07	QUEST-34	QUEST-WDS	47.39	4.75	13	14.83	0	5.06	9.7	3.05	0.78	0	0	0	98.56	1
QUEST664/119B/08	QUEST-34	QUEST-WDS	47.04	4.56	12.99	14.94	0	5.06	9.92	3.26	0.8	0	0	0	98.57	1
QUEST664/119B/09	QUEST-34	QUEST-WDS	47.26	4.79	12.97	14.78	0	5.13	9.93	3.26	0.79	0	0	0	98.91	1
QUEST664/119B/10	QUEST-34	QUEST-WDS	47.58	4.63	13.17	14.73	0	5	9.85	3.23	0.79	0	0	0	98.97	1
QUEST664/119B/11	QUEST-34	QUEST-WDS	48.01	4.52	13.15	14.93	0	5	9.93	2.92	0.8	0	0	0	99.26	1
QUEST664/119B/12	QUEST-34	QUEST-WDS	48.18	4.8	13.13	14.75	0	5.12	10.11	3.07	0.74	0	0	0	99.91	1

QUEST664/120A_Majors

series: QUEST664/120A_Majors
series_type: Tephra_Sample_Majors
z: 8.825
z_range: 0.01
sample: QUEST664/120A
context: Ashik ash
sector: LA-lsl-W
tephra_type: distal
tephra_deposit: fall
material: ash
collected_by: quest
volc_region: EVZ
volcano: Torfajökull
eruption: Ashik ash

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST664/120A/01	QUEST-34	QUEST-WDS	72.28	0.23	12.37	2.89	0	0.05	0.39	4.9	4.31	0	0	0	97.42	1
QUEST664/120A/02	QUEST-34	QUEST-WDS	71.39	0.23	12.47	2.79	0	0.04	0.42	4.99	4.37	0	0	0	96.7	1
QUEST664/120A/03	QUEST-34	QUEST-WDS	71.9	0.24	12.3	2.71	0	0.08	0.43	4.76	4.26	0	0	0	96.68	1
QUEST664/120A/04	QUEST-34	QUEST-WDS	70.23	0.22	13.74	2.34	0	0.14	0.69	4.93	4.26	0	0	0	96.55	1
QUEST664/120A/05	QUEST-34	QUEST-WDS	70.59	0.25	11.94	2.82	0	0.06	0.4	4.75	4.38	0	0	0	95.19	1

QUEST664/31_Majors

series: QUEST664/31_Majors
series_type: Tephra_Sample_Majors
z: 8.645
z_range: 0.01
sample: QUEST664/31
context: Saksunarvatn
sector: LA-y2
tephra_type: distal
tephra_deposit: fall
material: ash
collected_by: quest
volc_region: EVZ
volcano: Grimsvotn
eruption: Saksunarvatn

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST664/31/01	QUEST-34	QUEST-WDS	49.45	3.92	13.16	13.52	0.24	4.55	9.18	3.44	0.97	0	0	0	98.42	1
QUEST664/31/02	QUEST-34	QUEST-WDS	49.1	4.02	13.16	13.22	0.26	4.36	8.92	3.51	1.06	0	0	0	97.6	1
QUEST664/31/03	QUEST-34	QUEST-WDS	47.95	4.1	13.28	13.79	0.21	4.85	9.63	2.81	0.88	0	0	0	97.49	1
QUEST664/31/04	QUEST-34	QUEST-WDS	48.08	4.04	13.4	13.85	0.18	4.66	9.31	2.93	0.91	0	0	0	97.36	1
QUEST664/31/05	QUEST-34	QUEST-WDS	49.11	3.88	13.31	12.93	0.18	4.39	9.03	3.47	1.03	0	0	0	97.33	1
QUEST664/31/06	QUEST-34	QUEST-WDS	49.05	3.46	12.72	14.35	0.16	4.83	8.96	3.14	0.62	0	0	0	97.3	1
QUEST664/31/07	QUEST-34	QUEST-WDS	48.65	3.87	13.19	13.14	0.15	4.6	9.24	3.46	1	0	0	0	97.28	1
QUEST664/31/08	QUEST-34	QUEST-WDS	48.8	4.13	13.07	13.4	0.2	4.39	8.75	3.22	1.09	0	0	0	97.05	1
QUEST664/31/09	QUEST-34	QUEST-WDS	49.45	3.45	12.71	13.66	0.23	4.7	8.93	3.12	0.57	0	0	0	96.82	1
QUEST664/31/10	QUEST-34	QUEST-WDS	48.04	3.87	13.33	13.26	0.18	4.49	9.2	3.41	0.99	0	0	0	96.77	1
QUEST664/31/11	QUEST-34	QUEST-WDS	48.44	3.76	13.36	12.95	0.16	4.48	9.04	3.45	1.01	0	0	0	96.65	1
QUEST664/31/12	QUEST-34	QUEST-WDS	48.09	3.48	13.04	13.83	0.2	4.88	9.09	3.08	0.58	0	0	0	96.26	1

QUEST664/3/s1/BAS_Majors

series: QUEST664/3/s1/BAS_Majors
series_type: Tephra_Sample_Majors
z: 6.35
z_range: 0.01
sample: QUEST664/3/s1/BAS
context: Vedde ash
sector: W.Emb.site1
tephra_type: distal
tephra_deposit: fall
material: ash
collected: 2000-05-01
collected_by: quest
volc_region: EVZ
volcano: Katla
eruption: Vedde Ash
notes: visible tephra layer: c.117000 shards/cm3; basaltic component

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST664/3/s1/BAS/01	QUEST-58	QUEST-WDS	46.48	4.56	12.5	14.9	0.25	5	9.78	2.94	0.75	0	0	0	97.16	1
QUEST664/3/s1/BAS/02	QUEST-58	QUEST-WDS	46.42	4.56	12.84	14.7	0.18	5.02	9.59	3.13	0.72	0	0	0	97.16	1
QUEST664/3/s1/BAS/03	QUEST-58	QUEST-WDS	46.67	4.49	12.53	14.37	0.19	4.88	9.82	2.95	0.74	0	0	0	96.64	1
QUEST664/3/s1/BAS/04	QUEST-58	QUEST-WDS	46.59	4.65	12.62	14.43	0.24	4.97	9.78	3.01	0.68	0	0	0	96.97	1
QUEST664/3/s1/BAS/05	QUEST-58	QUEST-WDS	46.6	4.69	12.55	14.49	0.2	4.92	9.88	2.99	0.79	0	0	0	97.11	1
QUEST664/3/s1/BAS/06	QUEST-58	QUEST-WDS	46.43	4.4	12.54	14.5	0.22	4.91	9.61	3.05	0.69	0	0	0	96.35	1
QUEST664/3/s1/BAS/07	QUEST-58	QUEST-WDS	46.45	4.47	12.58	14.43	0.18	5.06	9.79	3	0.81	0	0	0	96.77	1
QUEST664/3/s1/BAS/08	QUEST-58	QUEST-WDS	46.68	4.6	12.76	14.39	0.21	5	9.64	3.06	0.74	0	0	0	97.08	1
QUEST664/3/s1/BAS/09	QUEST-58	QUEST-WDS	46.39	4.67	12.52	14.58	0.19	4.89	9.38	3	0.77	0	0	0	96.39	1
QUEST664/3/s1/BAS/10	QUEST-58	QUEST-WDS	46.3	4.45	12.65	14.65	0.22	4.95	9.71	3.05	0.7	0	0	0	96.68	1
QUEST664/3/s1/BAS/11	QUEST-58	QUEST-WDS	46.63	4.52	12.68	14.72	0.19	4.98	9.53	2.99	0.75	0	0	0	96.99	1
QUEST664/3/s1/BAS/12	QUEST-58	QUEST-WDS	46.87	4.36	12.76	14.69	0.21	4.99	9.59	2.99	0.78	0	0	0	97.24	1
QUEST664/3/s1/BAS/13	QUEST-58	QUEST-WDS	46.37	4.48	12.54	14.57	0.2	5.04	9.95	2.99	0.69	0	0	0	96.83	1
QUEST664/3/s1/BAS/14	QUEST-58	QUEST-WDS	46.46	4.54	12.53	14.54	0.21	5.11	9.41	3.08	0.72	0	0	0	96.6	1
QUEST664/3/s1/BAS/15	QUEST-58	QUEST-WDS	46.18	4.5	12.62	14.3	0.2	5.03	9.78	3.03	0.73	0	0	0	96.37	1
QUEST664/3/s1/BAS/16	QUEST-58	QUEST-WDS	46.13	4.4	12.15	14.7	0.21	4.96	9.47	3.07	0.66	0	0	0	95.75	1
QUEST664/3/s1/BAS/17	QUEST-58	QUEST-WDS	46.39	4.65	12.3	14.73	0.19	4.95	9.56	2.97	0.8	0	0	0	96.54	1
QUEST664/3/s1/BAS/18	QUEST-58	QUEST-WDS	46.53	4.37	12.66	14.21	0.18	4.85	9.22	3.08	0.73	0	0	0	95.83	1
QUEST664/3/s1/BAS/19	QUEST-58	QUEST-WDS	46.73	4.36	12.7	14.58	0.22	5.04	9.48	3.1	0.75	0	0	0	96.96	1
QUEST664/3/s1/BAS/20	QUEST-58	QUEST-WDS	46.39	4.57	12.62	14.45	0.17	4.98	9.49	3.12	0.72	0	0	0	96.51	1

QUEST664/3/s1/RHY_Majors

series: QUEST664/3/s1/RHY_Majors
series_type: Tephra_Sample_Majors
z: 6.35
z_range: 0.01
sample: QUEST664/3/s1/RHY
context: Vedde ash
sector: W.Emb.site1
tephra_type: distal
tephra_deposit: fall
material: ash
collected: 2000-05-01
collected_by: quest
volc_region: EVZ
volcano: Katla
eruption: Vedde Ash
notes: visible tephra layer: rhyolitic component

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST664/3/s1/RHY/01	QUEST-58	QUEST-WDS	70.44	0.3	13.12	3.69	0.13	0.23	1.28	4.39	3.43	0	0	0	97.01	1
QUEST664/3/s1/RHY/02	QUEST-58	QUEST-WDS	69.8	0.25	13.08	3.84	0.21	0.22	1.33	4.33	3.3	0	0	0	96.36	1
QUEST664/3/s1/RHY/03	QUEST-58	QUEST-WDS	70	0.32	13.11	3.84	0.15	0.24	1.35	4.46	3.72	0	0	0	97.19	1
QUEST664/3/s1/RHY/04	QUEST-58	QUEST-WDS	70.18	0.25	13.28	3.62	0.17	0.2	1.28	4.31	3.52	0	0	0	96.81	1
QUEST664/3/s1/RHY/05	QUEST-58	QUEST-WDS	70.27	0.23	13.15	3.59	0.14	0.24	1.26	4.34	3.59	0	0	0	96.81	1
QUEST664/3/s1/RHY/06	QUEST-58	QUEST-WDS	70.92	0.31	13.21	3.9	0.15	0.19	1.35	4.35	3.71	0	0	0	98.09	1
QUEST664/3/s1/RHY/07	QUEST-58	QUEST-WDS	70.04	0.27	13.17	3.54	0.14	0.19	1.44	4.33	3.34	0	0	0	96.46	1
QUEST664/3/s1/RHY/08	QUEST-58	QUEST-WDS	71.12	0.3	13.55	4	0.11	0.21	1.44	4.67	3.7	0	0	0	99.1	1
QUEST664/3/s1/RHY/09	QUEST-58	QUEST-WDS	68.93	0.23	13.18	3.61	0.1	0.26	1.4	4.4	3.64	0	0	0	95.75	1
QUEST664/3/s1/RHY/10	QUEST-58	QUEST-WDS	71.96	0.28	13.52	3.96	0.11	0.23	1.4	4.44	3.64	0	0	0	99.54	1
QUEST664/3/s1/RHY/11	QUEST-58	QUEST-WDS	71.6	0.3	13.27	3.82	0.19	0.2	1.28	3.09	3.59	0	0	0	97.34	1
QUEST664/3/s1/RHY/12	QUEST-58	QUEST-WDS	70.06	0.33	12.9	3.53	0.13	0.26	1.12	4.41	3.57	0	0	0	96.31	1
QUEST664/3/s1/RHY/13	QUEST-58	QUEST-WDS	70.48	0.29	13.41	3.9	0.13	0.26	1.36	4.47	3.75	0	0	0	98.05	1
QUEST664/3/s1/RHY/14	QUEST-58	QUEST-WDS	68.82	0.26	13.03	3.83	0.16	0.18	1.21	4.18	3.5	0	0	0	95.17	1
QUEST664/3/s1/RHY/15	QUEST-58	QUEST-WDS	71.18	0.34	13.33	3.82	0.15	0.25	1.31	4.47	3.72	0	0	0	98.57	1
QUEST664/3/s1/RHY/16	QUEST-58	QUEST-WDS	69.22	0.22	12.7	3.64	0.12	0.22	1.25	4.4	3.65	0	0	0	95.42	1

Tephra_Samples

series: Tephra_Samples
series_type: Tephra_Samples

z	z_range	sample	t	t_sigma	context	sector	tephra_type	tephra_deposit	material	tephra_shards	tephra_shards_abs	volc_region	volcano	eruption	notes
8.825	0.01	QUEST664/120A	-8449.5	300	Ashik ash	LA-lsl-W	distal	fall	ash	954	0	EVZ	Torfajökull	Ashik ash
9.335	0.01	QUEST664/119			Penifiler Tephra	LA-lsl-W	distal	fall	ash	248	0	Iceland	Iceland_volcanoes		rhyolitic component
2.755	0.01	QUEST664/118			Breakish Tephra	Basin B	distal	fall	ash	207	0	Iceland	Iceland_volcanoes
8.645	0.01	QUEST664/31	-8346.5	1	Saksunarvatn	LA-y2	distal	fall	ash	9999	0	EVZ	Grimsvotn	Saksunarvatn
3.525	0.01	QUEST664/3	-10170.5	1	Vedde ash	Basin B	distal	fall	ash	951	0	EVZ	Katla	Vedde Ash
9.335	0.01	QUEST664/119B			Penifiler Tephra	LA-lsl-W	distal	fall	ash	9999	0	Iceland	Iceland_volcanoes		basaltic component
6.35	0.01	QUEST664/3/s1/RHY	-10170.5	1	Vedde ash	W.Emb.site1	distal	fall	ash	700	0	EVZ	Katla	Vedde Ash	visible tephra layer: rhyolitic component
6.35	0.01	QUEST664/3/s1/BAS	-10170.5	1	Vedde ash	W.Emb.site1	distal	fall	ash	9999	0	EVZ	Katla	Vedde Ash	visible tephra layer: c.117000 shards/cm3; basaltic component

Tephras

series: Tephras
series_type: Tephras

z	z_range	t	t_sigma	sample	volc_region	volcano	eruption	ref
8.825	0.01	-8449.5	300	QUEST664/120A	EVZ	Torfajökull	Ashik ash	doi:10.1002/jqs.1066
3.525	0.01	-10170.5	1	QUEST664/3	EVZ	Katla	Vedde Ash
6.35	0.01	-10170.5	1	QUEST664/3/s1/BAS	EVZ	Katla	Vedde Ash	doi:10.1002/jqs.611
6.35	0.01	-10170.5	1	QUEST664/3/s1/RHY	EVZ	Katla	Vedde Ash	doi:10.1002/jqs.611
8.645	0.01	-8346.5	1	QUEST664/31	EVZ	Grimsvotn	Saksunarvatn	doi:10.1002/jqs.1066

data_url: https://intchron.org/public.php?record=reset/Loch_Ashik

Torfajökull

record_comment: Stratovolcano; East volcanic zone (EVZ), terminology after Thordarson & Larsen (2007)
site: Torfajökull
country: Iceland
region: EVZ
latitude: 63.919998168945
longitude: -19.170000076294
record: Torfajökull
site_type: Volcano

Data series

Eruptions

series: Eruptions
series_type: Volc_Eruptions

eruption	eruption_type	t	t_sigma	t_source	ref	notes
Landnam (silicic)	Sub-Plinian	871.5	1	GICC05	doi:10.1016/0012-821x(95)00145-3	c. AD 871 ± 2 (GRIP). The Landnám tephra layer is characterised by two distinct tephra components: a lower rhyolitic tephra layer which is overlain by a basaltic tephra layer. Both of these were deposited following the ~AD 871 Vatnaöldur eruption which saw simultaneous eruptions of the basaltic Veidivötn-Bárðarbunga volcanic system and the silicic Torfajökull complex.
Hoy	Plinian	-4399.5	50		doi:10.1191/0959683602hl538rr	c. 4400 BC radiocarbon (Hall & Pilcher 2002).
Lairg B / Torfajökull 4700 BC	Plinian	-4694.5	41		doi:10.1191/0959683602hl538rr	c. 4774-4677 cal BC 14C wiggle-match (Pilcher et al. 1996; Hall & Pilcher 2002).
An Druim	Plinian	-7609.5	40	IntCal09	doi:10.1002/jqs.910	c. 9633-9488 yr cal BP by Turney et al. (2006). Ranner et al. (2005) cites at age of 8590 ± 50 14C yr BP, which calibrates to 9671-9490 yr cal BP (2 sigma).
Ashik ash	Plinian	-8449.5	300		doi:10.1002/jqs.1066	position below the Saksunarvatn tephra and above the Vedde Ash indicates an early Holocene age. Pyne-O'Donnell (2007) places it above the Pre-Boreal Oscillation.
Torfajökull AD1477	Ultra-Plinian	1477.5	1	Calendar	doi:10.1191/095968399669624108	AD 1477 historical (the eruption was triggered by rifting within the Veidivotn volcanic system). Sometimes called Veidivotn AD1477. Larsen (1984) suggests an age of 1480 ± 11.
Gullbergby tephra	Plinian	-749.5	100		doi:10.1016/j.quaint.2004.04.030	c. 2700 cal yr BP interpolated (Wastegard 2005)
Høvdarhagi tephra	Plinian	-7774.5	125	IntCal09	doi:10.1016/j.quaint.2011.05.014	14C modeled age of 9850-9600 yr cal BP (Lind & Wastegard 2011).

Lairg B / Torfajökull 4700 BC_Distribution

series: Lairg B / Torfajökull 4700 BC_Distribution
series_type: Tephra_Distribution
eruption: Lairg B / Torfajökull 4700 BC

	site	country	longitude	latitude	elevation	site_type	sample	tephra_type	tephra_deposit	material	z_range	collected	collected_by	notes
	Toome	UK	-6.461790085	54.75170135		Terrestrial	QUEST632/75	distal	fall	ash			quest

data_url: https://intchron.org/public.php?record=reset/Torfajökull

Tynaspirt_West

z_type: depth
record_comment: palaeolake
site: Tynaspirt West
country: UK
region: Scotland
latitude: 56.21900177002
longitude: -4.1669998168945
record: Tynaspirt_West
site_type: Terrestrial

Data series

QUEST678/124_Majors

series: QUEST678/124_Majors
series_type: Tephra_Sample_Majors
z: 7.21
z_range: 0.02
sample: QUEST678/124
context: Vedde ash
tephra_type: distal
tephra_deposit: fall
material: ash
collected_by: quest
volc_region: EVZ
volcano: Katla
eruption: Vedde Ash

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST678/124/01	QUEST-11	QUEST-WDS	71.65	0.23	13.62	3.88	0.13	0.19	1.24	4.17	3.41	0	0	0	98.51	1
QUEST678/124/02	QUEST-11	QUEST-WDS	71.41	0.29	13.56	3.72	0.15	0.21	1.32	4.33	3.55	0	0	0	98.53	1
QUEST678/124/03	QUEST-11	QUEST-WDS	70.53	0.28	13.21	3.67	0.19	0.23	1.33	4.51	3.54	0	0	0	97.49	1
QUEST678/124/04	QUEST-11	QUEST-WDS	70.35	0.28	13.27	3.57	0.13	0.25	1.33	4.38	3.25	0	0	0	96.83	1
QUEST678/124/05	QUEST-11	QUEST-WDS	69.39	0.28	13.08	3.85	0.15	0.22	1.25	4.36	3.59	0	0	0	96.16	1
QUEST678/124/06	QUEST-11	QUEST-WDS	69.31	0.28	12.88	3.61	0.17	0.23	1.35	4.64	3.65	0	0	0	96.1	1

QUEST678/136_Majors

series: QUEST678/136_Majors
series_type: Tephra_Sample_Majors
z: 7.755
z_range: 0.01
sample: QUEST678/136
context: Borrobol
tephra_type: distal
tephra_deposit: fall
material: ash
collected_by: quest
volc_region: Iceland
volcano: Iceland_volcanoes

labcode	batch	instrument	SiO2	TiO2	Al2O3	FeOt	MnO	MgO	CaO	Na2O	K2O	P2O5	Cl	F	total	ok
QUEST678/136/01	QUEST-11	QUEST-WDS	73.27	0.13	12.43	1.54	0.02	0.11	0.86	3.61	3.45	0	0	0	95.52	1
QUEST678/136/02	QUEST-11	QUEST-WDS	72.67	0.14	12.34	1.51	0.06	0.09	0.81	3.6	3.66	0	0	0	94.89	1
QUEST678/136/03	QUEST-11	QUEST-WDS	72.5	0.12	12.22	1.47	0.05	0.1	0.8	3.34	3.71	0	0	0	94.31	1
QUEST678/136/04	QUEST-11	QUEST-WDS	72.37	0.14	12.16	1.54	0.09	0.09	0.76	3.45	3.52	0	0	0	94.11	1
QUEST678/136/05	QUEST-11	QUEST-WDS	71.59	0.17	12.3	1.42	0.03	0.11	0.69	3.49	3.56	0	0	0	93.35	1
QUEST678/136/06	QUEST-11	QUEST-WDS	72.1	0.13	12.05	1.44	0.05	0.1	0.76	2.94	3.63	0	0	0	93.19	1

Tephra_Samples

series: Tephra_Samples
series_type: Tephra_Samples

z	z_range	sample	t	t_sigma	context	sector	tephra_type	tephra_deposit	material	tephra_shards	tephra_shards_abs	volc_region	volcano	eruption	notes
7.755	0.01	QUEST678/136			Borrobol		distal	fall	ash	11	0	Iceland	Iceland_volcanoes
7.21	0.02	QUEST678/124	-10170.5	1	Vedde ash		distal	fall	ash	9999	0	EVZ	Katla	Vedde Ash
7.605	0.01	QUEST678/134			Penifiler Tephra		distal	fall	ash	19	0	Iceland	Iceland_volcanoes

Tephras

series: Tephras
series_type: Tephras

	z	z_range	t	t_sigma	sample	volc_region	volcano	eruption	ref
	7.21	0.02	-10170.5	1	QUEST678/124	EVZ	Katla	Vedde Ash	doi:10.1002/(sici)1099-1417(199711/12)12:6<525::aid-jqs347>3.3.co;2-d

data_url: https://intchron.org/public.php?record=reset/Tynaspirt_West

Data

Records

Borrobol

Data series

QUEST652/124_Majors

QUEST652/136_Majors

QUEST652/119_Majors

Tephra_Samples

Tephras

Druim_Loch

Data series

QUEST654/119_Majors

QUEST654/120_Majors

QUEST654/120B_Majors

Tephra_Samples

Tephras

Iceland_volcanoes

Data series

Eruptions

AD860 Layer part B_Distribution

BIP-24_Distribution

Derrycunihy Wood SH-1_Distribution

NAAZ I_Distribution

Loch_An_t_Suidh

Data series

QUEST663/119_Majors

QUEST663/136_Majors

Tephra_Samples

Tephras

Loch_Ashik

Data series

QUEST664/118_Majors

QUEST664/119_Majors

QUEST664/119B_Majors

QUEST664/120A_Majors

QUEST664/31_Majors

QUEST664/3/s1/BAS_Majors

QUEST664/3/s1/RHY_Majors

Tephra_Samples

Tephras

Torfajökull

Data series

Eruptions

Lairg B / Torfajökull 4700 BC_Distribution

Tynaspirt_West

Data series

QUEST678/124_Majors

QUEST678/136_Majors

Tephra_Samples

Tephras

Publications

Compilation