All analyses of the Vedde Tephra

This search has found 242 analyses

The results of your search are shown on this page, which is divided into three sections. The first contains geochemical data in the form of electron probe microanalyses of the the tephra layer you have chosen, which can be downloaded. Most of these analyses will be of glass shards. The second section gives information about the instrument conditions and the third details about the sources of the data and the date and time of your search. You should always refer to the original sources to get the full context of the data presented here.

FeO: total iron is represented as FeO
*original totals for normalised data (where applicable)
Site	Label	Phase	SiO₂	TiO₂	Al₂O₃	FeO	MnO	MgO	CaO	Na₂O	K₂O	P₂O₅	Cl	F	SO₂	Total	EP	Ref
Abernethy Forest (Scotland)		glass	74.25	0.12	12.59	1.42	0.05	0.07	0.74	2.49	3.99					95.72	33	2977
Abernethy Forest (Scotland)		glass	73.49	0.26	13.72	3.48	0.14	0.14	1.20	4.77	3.48	0.03	0.16	0.19	0.01	101.08	16	2977
Abernethy Forest (Scotland)		glass	73.16	0.15	12.45	1.43	0.03	0.07	0.73	3.14	3.77					94.93	33	2977
Abernethy Forest (Scotland)		glass	72.96	0.30	13.71	3.73	0.14	0.22	1.28	1.52	3.55					97.41	33	2977
Abernethy Forest (Scotland)		glass	72.69	0.26	13.67	3.72	0.12	0.19	1.20	2.85	3.79					98.47	33	2977
Abernethy Forest (Scotland)		glass	72.37	0.27	13.65	3.64	0.15	0.20	1.20	4.03	3.72					99.23	33	2977
Abernethy Forest (Scotland)		glass	72.04	0.28	13.73	3.62	0.14	0.23	1.24	4.08	3.54					98.90	33	2977
Abernethy Forest (Scotland)		glass	71.39	0.33	13.63	3.67	0.17	0.22	1.27	2.85	3.54					97.07	33	2977
Abernethy Forest (Scotland)		glass	70.84	0.26	13.44	3.55	0.14	0.20	1.29	3.59	3.51					96.82	33	2977
Abernethy Forest (Scotland)		glass	70.67	0.27	13.09	3.56	0.15	0.21	1.28	4.87	3.48	0.04	0.17	0.19	0.02	98.00	16	2977
Abernethy Forest (Scotland)		glass	70.65	0.29	13.42	3.71	0.15	0.20	1.27	3.25	3.64					96.58	33	2977
Abernethy Forest (Scotland)		glass	70.47	0.27	12.69	3.48	0.14	0.20	1.21	5.14	3.36	0.04	0.16	0.19	0.01	97.37	16	2977
Abernethy Forest (Scotland)		glass	69.76	0.29	12.65	3.59	0.15	0.17	1.32	4.90	3.39	0.04	0.17	0.21	0.02	96.66	16	2977
Abernethy Forest (Scotland)		glass	69.75	0.28	12.81	3.31	0.14	0.19	1.25	4.78	3.36	0.04	0.17	0.17	0.01	96.25	16	2977
Abernethy Forest (Scotland)		glass	69.39	0.26	13.21	3.43	0.15	0.22	1.18	3.53	3.36					94.73	33	2977
Borge (Norway)		glass	71.92	0.26	13.96	3.96		0.23	1.38	5.12	3.56					100.38	17	1958
Borge (Norway)		glass	71.17	0.35	13.86	3.85		0.19	1.43	4.54	3.51					98.90	17	1958
Borge (Norway)		glass	70.74	0.31	13.42	3.78		0.23	1.39	5.02	3.39					98.29	17	1958
Borge (Norway)		glass	70.43	0.30	13.46	3.84		0.16	1.39	4.50	3.63					97.70	17	1958
Borge (Norway)		glass	69.79	0.26	13.31	3.56		0.13	1.18	4.29	3.33					95.86	17	1958
Borge (Norway)		glass	69.48	0.33	13.32	3.66		0.23	1.27	4.59	3.24					96.11	17	1958
Borge (Norway)		glass	69.25	0.30	13.33	3.61		0.16	1.36	4.14	3.49					95.63	17	1958
Borge (Norway)		glass	68.78	0.32	13.07	3.65		0.16	1.29	4.07	3.33					94.67	17	1958
Borrobol (Scotland)		glass	71.65	0.38	13.79	3.77	0.18	0.23	1.37	4.46	3.67					99.49	2	1049
Borrobol (Scotland)		glass	71.28	0.32	13.18	3.95	0.16	0.20	1.33	4.69	3.50					98.61	2	1049
Borrobol (Scotland)		glass	71.22	0.29	12.97	3.84	0.16	0.23	1.31	4.39	3.40					97.81	2	1049
Borrobol (Scotland)		glass	70.86	0.33	13.21	3.80	0.17	0.23	1.25	4.86	3.48					98.19	2	1049
Borrobol (Scotland)		glass	70.84	0.27	13.05	3.76	0.14	0.23	1.40	3.61	3.56					96.88	2	1049
Borrobol (Scotland)		glass	70.66	0.21	13.28	3.72	0.15	0.20	1.39	5.00	3.86					97.99	2	1049
Borrobol (Scotland)		glass	70.57	0.27	13.01	3.64	0.16	0.25	1.38	4.13	3.38					96.81	2	1049
Borrobol (Scotland)		glass	70.31	0.25	13.52	3.72	0.20	0.20	1.31	4.84	3.37					97.72	2	1049
Borrobol (Scotland)		glass	70.29	0.34	13.25	3.86	0.13	0.24	1.33	4.67	3.41					97.52	2	1049
Borrobol (Scotland)		glass	70.26	0.23	13.16	3.69	0.14	0.20	1.33	4.82	3.48					97.30	2	1049
Borrobol (Scotland)		glass	70.18	0.25	13.54	3.75	0.13	0.21	1.27	4.76	3.56					97.65	2	1049
Borrobol (Scotland)		glass	70.15	0.23	13.04	3.59	0.13	0.22	1.37	4.23	3.24					96.21	2	1049
Borrobol (Scotland)		glass	70.03	0.30	13.44	3.59	0.11	0.21	1.34	4.81	3.49					97.32	2	1049
Borrobol (Scotland)		glass	69.94	0.31	13.25	3.55	0.17	0.17	1.31	4.22	3.39					96.31	2	1049
Borrobol (Scotland)		glass	69.51	0.27	13.04	3.60	0.13	0.20	1.25	4.53	3.24					95.77	2	1049
Borrobol (Scotland)		glass	69.44	0.28	13.48	3.73	0.17	0.23	1.19	4.66	3.43					96.61	2	1049
Borrobol (Scotland)		glass	69.37	0.25	12.98	3.55	0.11	0.21	1.33	4.32	3.54					95.66	2	1049
Borrobol (Scotland)		glass	69.24	0.32	13.26	3.74	0.14	0.27	1.28	4.43	3.38					96.06	2	1049
Borrobol (Scotland)		glass	69.19	0.33	13.02	3.79	0.15	0.20	1.24	4.27	3.32					95.50	2	1049
Borrobol (Scotland)		glass	69.15	0.29	13.22	3.81	0.18	0.20	1.16	5.02	3.44					96.48	2	1049
Borrobol (Scotland)		glass	69.08	0.28	13.09	3.92	0.17	0.25	1.26	4.65	3.39					96.10	2	1049
Borrobol (Scotland)		glass	68.97	0.25	13.27	3.66	0.15	0.22	1.32	4.21	3.55					95.61	2	1049
Dekkjavatn (Norway)		glass	76.15	0.43	11.23	3.65	0.17	0.17	1.35	1.69	2.93					97.77	20	352
Dekkjavatn (Norway)		glass	73.24	0.31	13.04	4.05	0.26	0.27	1.34	1.87	3.30					97.68	20	352
Dekkjavatn (Norway)		glass	55.82	3.31	12.92	12.29	0.22	3.91	7.17	2.62	1.36					99.62	20	352
Dekkjavatn (Norway)		glass	50.61	3.91	11.98	13.94	0.22	4.88	8.71	2.92	0.96					98.13	20	352
Dekkjavatn (Norway)		glass	48.96	4.48	12.11	14.43	0.35	5.32	9.53	2.98	0.74					98.90	20	352
Dimnamyra (Norway)	434-435 cm	glass	72.52	0.20	13.63	3.75	0.17	0.22	1.16	3.37	3.53					98.54	21	2234
Dimnamyra (Norway)	434-435 cm	glass	72.13	0.24	13.81	3.54	0.10	0.21	1.46	4.39	3.40					99.27	21	2234
Dimnamyra (Norway)	434-435 cm	glass	72.03	0.31	13.74	3.94	0.07	0.12	1.30	4.28	3.36					99.15	21	2234
Dimnamyra (Norway)	434-435 cm	glass	71.86	0.34	13.65	3.98	0.10	0.28	1.33	3.93	3.46					98.93	21	2234
Dimnamyra (Norway)	434-435 cm	glass	71.82	0.27	13.57	3.92	0.19	0.16	1.33	4.30	3.31					98.87	21	2234
Dimnamyra (Norway)	434-435 cm	glass	71.76	0.25	13.71	3.78	0.20	0.24	1.27	4.52	3.35					99.07	21	2234
Dimnamyra (Norway)	434-435 cm	glass	71.26	0.31	13.76	4.00	0.17	0.28	1.37	4.39	3.34					98.88	21	2234
Dimnamyra (Norway)	434-435 cm	glass	71.19	0.31	13.86	3.86	0.10	0.11	1.30	4.19	3.43					98.34	21	2234
Dimnamyra (Norway)	434-435 cm	glass	71.15	0.18	13.65	3.87	0.15	0.21	1.36	4.54	3.43					98.53	21	2234
Dimnamyra (Norway)	434-435 cm	glass	70.80	0.29	13.72	3.84	0.13	0.32	1.30	4.18	3.49					98.06	21	2234
Dimnamyra (Norway)	434-435 cm	glass	69.17	0.22	12.92	3.82	0.21	0.12	1.34	4.58	3.61					95.99	21	2234
Dimnamyra (Norway)	434-435 cm	glass	67.87	0.26	12.97	3.64	0.14	0.23	1.29	3.84	2.76					93.01	21	2234
Dimnamyra (Norway)	434-435 cm	glass	67.56	0.21	12.48	3.68	0.19	0.10	1.26	4.22	3.54					93.25	21	2234
Dimnamyra (Norway)	434-435 cm	glass	67.22	0.33	12.42	3.66	0.13	0.28	1.28	4.60	3.31					93.22	21	2234
Dimnamyra (Norway)	434-435 cm	glass	54.97	2.76	13.15	10.90	0.24	3.24	6.97	2.92	1.54					96.70	21	2234
Dimnamyra (Norway)	434-435 cm	glass	54.50	2.92	13.26	11.17	0.19	3.63	7.49	2.88	1.32					97.36	21	2234
Dimnamyra (Norway)	434-435 cm	glass	52.20	3.26	13.44	12.21	0.25	3.90	7.76	3.05	1.32					97.38	21	2234
Dimnamyra (Norway)	434-435 cm	glass	51.88	3.52	12.92	12.80	0.22	4.19	8.29	2.26	1.10					97.20	21	2234
Dimnamyra (Norway)	434-435 cm	glass	51.59	3.19	12.69	12.34	0.20	4.14	8.15	3.11	1.20					96.61	21	2234
Dimnamyra (Norway)	434-435 cm	glass	49.98	3.90	12.90	13.66	0.19	4.87	9.04	2.23	0.90					97.67	21	2234
Dimnamyra (Norway)	434-435 cm	glass	47.71	4.13	12.71	14.41	0.17	4.96	9.74	1.76	0.76					96.34	21	2234
Dimnamyra (Norway)	434-435 cm	glass	47.04	4.29	12.62	14.92	0.22	5.21	9.89	2.33	0.66					97.18	21	2234
Dimnamyra (Norway)	434-435 cm	glass	47.02	4.38	12.47	14.57	0.22	5.32	10.00	1.79	0.72					96.48	21	2234
Dimnamyra (Norway)	434-435 cm	glass	46.67	4.23	12.74	15.37	0.21	5.19	9.93	2.07	0.69					97.10	21	2234
F�gelmossen (Sweden)		glass	70.08	0.26	13.39	3.82	0.16	0.25	1.32	4.59	3.67					97.54	2	1412
F�gelmossen (Sweden)		glass	69.75	0.27	13.10	3.56	0.09	0.22	1.39	5.18	3.47					97.03	2	1412
F�gelmossen (Sweden)		glass	69.67	0.29	13.48	3.89	0.19	0.29	1.15	4.24	3.29					96.49	2	1412
F�gelmossen (Sweden)		glass	69.38	0.25	13.37	3.59	0.07	0.22	1.20	4.21	3.42					95.71	2	1412
F�gelmossen (Sweden)		glass	69.31	0.29	13.50	3.59	0.08	0.19	1.27	4.57	3.51					96.31	2	1412
F�gelmossen (Sweden)		glass	69.06	0.28	13.21	3.73	0.10	0.21	1.33	4.25	3.24					95.41	2	1412
F�gelmossen (Sweden)		glass	69.01	0.28	12.82	3.64	0.08	0.24	1.24	4.97	3.45					95.73	2	1412
F�gelmossen (Sweden)		glass	68.95	0.19	13.23	3.78	0.18	0.26	1.23	4.89	3.45					96.16	2	1412
F�gelmossen (Sweden)		glass	68.85	0.29	13.11	3.69	0.11	0.22	1.27	4.34	3.50					95.38	2	1412
Gj�lvatn (Norway)		glass	74.15	0.24	13.59	3.51	0.16	0.20	1.17	2.88	3.43					99.33	20	352
Gj�lvatn (Norway)		glass	73.83	0.14	13.57	3.73	0.16	0.18	1.10	2.74	3.46					98.91	20	352
Gj�lvatn (Norway)		glass	72.37	0.36	13.01	3.88	0.17	0.23	1.55	1.97	3.89					97.43	20	352
Gj�lvatn (Norway)		glass	72.29	0.19	13.45	3.70	0.34	0.20	1.28	2.23	3.75					97.43	20	352
Gj�lvatn (Norway)		glass	71.54	0.12	13.03	3.81	0.00	0.19	1.19	2.35	3.12					95.35	20	352
Gj�lvatn (Norway)		glass	71.54	0.00	13.29	3.69	0.09	0.20	1.23	2.37	3.54					95.95	20	352
Gj�lvatn (Norway)		glass	71.41	0.00	13.10	3.78	0.18	0.24	1.36	2.09	3.28					95.44	20	352
Gj�lvatn (Norway)		glass	71.40	0.22	13.49	3.68	0.11	0.19	1.22	2.38	3.42					96.11	20	352
Gj�lvatn (Norway)		glass	71.12	0.52	13.14	3.94	0.14	0.14	1.48	2.79	5.02					98.29	20	352
Gj�lvatn (Norway)		glass	58.34	2.71	13.31	10.19	0.28	3.04	6.25	2.15	2.08					98.35	20	352
Gj�lvatn (Norway)		glass	54.34	2.84	13.14	11.34	0.29	3.76	7.24	3.11	1.50					97.56	20	352
Gj�lvatn (Norway)		glass	53.28	3.01	12.70	11.99	0.25	3.57	7.02	2.40	1.43					95.65	20	352
Gj�lvatn (Norway)		glass	52.69	3.38	13.07	12.23	0.32	3.85	7.52	3.11	1.44					97.61	20	352
Gj�lvatn (Norway)		glass	52.55	4.09	13.00	12.68	0.29	4.34	7.91	3.28	1.19					99.33	20	352
Gj�lvatn (Norway)		glass	52.07	3.21	12.77	12.91	0.17	3.89	7.66	2.54	1.32					96.54	20	352
Gj�lvatn (Norway)		glass	51.57	3.77	13.07	12.20	0.18	3.81	7.71	2.39	1.42					96.12	20	352
Gj�lvatn (Norway)		glass	51.44	3.31	12.78	12.28	0.18	3.68	7.58	2.79	1.31					95.35	20	352
Gj�lvatn (Norway)		glass	51.16	3.53	12.70	12.61	0.18	3.85	7.61	2.52	1.20					95.36	20	352
Gj�lvatn (Norway)		glass	50.89	4.04	12.81	12.90	0.39	4.25	9.12	3.20	1.32					98.92	20	352
Gj�lvatn (Norway)		glass	49.42	3.97	13.14	13.47	0.17	4.47	8.35	3.05	0.99					97.03	20	352
Gj�lvatn (Norway)		glass	49.28	4.75	12.69	13.85	0.23	4.88	8.69	2.95	0.87					98.19	20	352
Gj�lvatn (Norway)		glass	49.02	4.20	13.04	13.78	0.35	4.55	8.52	3.16	0.92					97.54	20	352
Gj�lvatn (Norway)		glass	47.84	4.23	12.63	14.13	0.13	4.75	9.17	3.17	0.78					96.83	20	352
Gj�lvatn (Norway)		glass	47.83	4.80	13.19	13.62	0.28	4.66	10.53	2.01	0.98					97.90	20	352
Gj�lvatn (Norway)		glass	47.66	4.48	12.41	14.50	0.21	4.72	8.96	2.82	0.80					96.56	20	352
Gj�lvatn (Norway)		glass	47.55	4.35	12.63	14.10	0.28	4.91	8.84	2.91	1.00					96.57	20	352
Gj�lvatn (Norway)		glass	47.26	4.52	12.54	14.74	0.24	4.93	10.91	3.16	0.87					99.17	20	352
Gj�lvatn (Norway)		glass	47.10	4.27	12.84	13.98	0.29	4.80	9.18	2.91	0.86					96.23	20	352
Gj�lvatn (Norway)		glass	46.95	4.58	12.67	14.96	0.34	5.02	9.29	2.63	0.70					97.14	20	352
Gj�lvatn (Norway)		glass	46.21	4.35	12.73	14.65	0.17	5.06	9.78	2.64	0.83					96.42	20	352
H�gstorpsmossen (Sweden)		glass	70.21	0.32	13.08	3.70	0.21	0.27	1.21	4.86	3.51					97.37	2	1412
H�gstorpsmossen (Sweden)		glass	70.18	0.31	13.09	3.93	0.21	0.27	1.32	4.40	3.52					97.23	2	1412
H�gstorpsmossen (Sweden)		glass	70.05	0.33	13.17	3.93	0.16	0.27	1.37	5.23	3.40					97.91	2	1412
H�gstorpsmossen (Sweden)		glass	69.94	0.29	13.21	3.87	0.15	0.25	1.30	5.02	3.50					97.53	2	1412
H�gstorpsmossen (Sweden)		glass	69.76	0.25	13.04	3.37	0.14	0.21	1.17	4.78	3.48					96.20	2	1412
H�gstorpsmossen (Sweden)		glass	69.59	0.29	13.30	3.90	0.18	0.25	1.32	5.06	3.47					97.36	2	1412
H�gstorpsmossen (Sweden)		glass	69.02	0.21	12.94	3.69	0.13	0.17	1.20	4.84	3.52					95.72	2	1412
H�gstorpsmossen (Sweden)		glass	68.98	0.28	13.23	3.81	0.17	0.27	1.34	5.27	3.50					96.85	2	1412
Lake G�tesj�n (Sweden)		glass	72.44	0.24	13.39	3.82	0.14	0.20	1.27	4.12	3.49					99.11	2	1598
Lake G�tesj�n (Sweden)		glass	72.00	0.23	13.23	3.82	0.14	0.26	1.27	4.07	3.34					98.36	2	1598
Lake G�tesj�n (Sweden)		glass	71.72	0.21	13.27	3.69	0.15	0.20	1.30	4.61	3.20					98.35	2	1598
Lake G�tesj�n (Sweden)		glass	71.26	0.25	13.22	3.88	0.11	0.26	1.31	4.56	3.38					98.23	2	1598
Lake G�tesj�n (Sweden)		glass	71.18	0.24	13.33	3.85	0.18	0.24	1.27	4.49	3.26					98.04	2	1598
Lake G�tesj�n (Sweden)		glass	70.78	0.30	13.29	3.53	0.16	0.23	1.16	4.73	3.44					97.62	2	1598
Lake G�tesj�n (Sweden)		glass	70.54	0.22	13.13	3.88	0.24	0.27	1.32	4.63	3.21					97.44	2	1598
Lake G�tesj�n (Sweden)		glass	70.51	0.23	13.03	3.64	0.15	0.25	1.35	4.62	3.34					97.12	2	1598
Lake G�tesj�n (Sweden)		glass	70.14	0.20	12.89	3.46	0.17	0.22	1.31	4.53	3.26					96.18	2	1598
Lake G�tesj�n (Sweden)		glass	69.74	0.25	13.04	3.51	0.16	0.23	1.26	4.68	3.19					96.06	2	1598
Lake Madtjarn (Sweden)		glass	71.82	0.26	13.54	3.78	0.15	0.20	1.24	4.16	3.41					98.55	2	1116
Lake Madtjarn (Sweden)		glass	71.44	0.27	13.52	3.76	0.11	0.23	1.32	4.23	3.72					98.59	2	1116
Lake Madtjarn (Sweden)		glass	71.31	0.21	13.54	3.87	0.13	0.23	1.40	4.64	3.30					98.63	2	1116
Lake Madtjarn (Sweden)		glass	71.17	0.25	13.37	3.84	0.11	0.27	1.22	4.04	3.52					97.80	2	1116
Lake Madtjarn (Sweden)		glass	71.11	0.28	13.21	3.61	0.12	0.25	1.30	4.39	3.49					97.77	2	1116
Lake Madtjarn (Sweden)		glass	70.97	0.35	13.19	3.82	0.10	0.24	1.23	4.11	3.37					97.38	2	1116
Lake Madtjarn (Sweden)		glass	70.89	0.37	13.58	3.76	0.12	0.21	1.33	4.32	3.53					98.10	2	1116
Lake Madtjarn (Sweden)		glass	70.69	0.27	13.22	3.67	0.14	0.26	1.26	4.47	3.41					97.38	2	1116
Lake Madtjarn (Sweden)		glass	70.58	0.31	13.49	3.52	0.11	0.24	1.23	4.19	3.45					97.12	2	1116
Lake Madtjarn (Sweden)		glass	70.58	0.26	13.44	3.71	0.13	0.28	1.22	4.66	3.29					97.56	2	1116
Lake Madtjarn (Sweden)		glass	70.54	0.26	13.47	3.69	0.19	0.23	1.24	4.49	3.42					97.52	2	1116
Lake Madtjarn (Sweden)		glass	70.41	0.29	13.22	3.66	0.19	0.25	1.28	4.85	3.57					97.72	2	1116
Lake Madtjarn (Sweden)		glass	70.03	0.33	13.21	3.59	0.14	0.21	1.24	4.76	3.20					96.70	2	1116
Lake Madtjarn (Sweden)		glass	70.00	0.23	13.23	3.77	0.15	0.20	1.20	4.48	3.45					96.71	2	1116
Lake Madtjarn (Sweden)		glass	69.92	0.32	13.35	3.78	0.09	0.25	1.28	4.85	3.50					97.33	2	1116
Lake Madtjarn (Sweden)		glass	69.84	0.24	13.20	3.58	0.15	0.22	1.33	4.89	3.37					96.83	2	1116
Lake Madtjarn (Sweden)		glass	69.75	0.30	13.15	3.53	0.13	0.26	1.29	4.47	3.54					96.41	2	1116
Lake Madtjarn (Sweden)		glass	69.61	0.27	13.25	3.67	0.11	0.23	1.36	4.90	3.54					96.95	2	1116
Lake Madtjarn (Sweden)		glass	69.52	0.29	13.16	3.87	0.09	0.23	1.24	4.32	3.29					96.02	2	1116
Lake Madtjarn (Sweden)		glass	69.52	0.23	13.18	3.51	0.11	0.25	1.28	4.18	3.32					95.58	2	1116
Lake Madtjarn (Sweden)		glass	69.41	0.26	13.06	3.69	0.17	0.19	1.20	4.36	3.33					95.68	2	1116
Lake Madtjarn (Sweden)		glass	69.26	0.29	13.26	3.75	0.17	0.20	1.33	4.64	3.29					96.19	2	1116
Lake Madtjarn (Sweden)		glass	69.25	0.30	13.17	3.59	0.14	0.25	1.28	4.35	3.34					95.68	2	1116
Lake Madtjarn (Sweden)		glass	69.09	0.29	12.96	3.65	0.08	0.22	1.34	4.56	3.42					95.62	2	1116
Lake Madtjarn (Sweden)		glass	69.01	0.28	13.02	3.71	0.13	0.23	1.36	4.80	3.50					96.03	2	1116
Lake Madtjarn (Sweden)		glass	68.94	0.26	13.17	3.85	0.15	0.27	1.23	4.38	3.27					95.53	2	1116
Lake Madtjarn (Sweden)		glass	68.90	0.34	13.05	3.49	0.15	0.25	1.25	4.59	3.19					95.21	2	1116
Lake Madtjarn (Sweden)		glass	68.88	0.32	13.29	3.77	0.14	0.22	1.34	4.43	3.29					95.69	2	1116
Lake Madtjarn (Sweden)		glass	68.70	0.20	13.16	3.69	0.12	0.25	1.27	4.45	3.35					95.19	2	1116
Lake Madtjarn (Sweden)		glass	68.55	0.28	13.09	3.64	0.12	0.22	1.29	4.57	3.45					95.21	2	1116
Lake Madtjarn (Sweden)		glass	68.35	0.22	13.12	3.75	0.13	0.27	1.26	4.38	3.53					95.01	2	1116
Lake Medvedeskoye (Russia)		glass	71.01	0.29	13.27	3.82	0.24	0.22	1.32	4.45	3.35					97.97	2	1457
Lake Medvedeskoye (Russia)		glass	70.57	0.33	13.25	3.78	0.17	0.25	1.28	4.65	3.27					97.55	2	1457
Lake Medvedeskoye (Russia)		glass	70.37	0.31	13.11	3.86	0.14	0.25	1.17	4.55	3.34					97.10	2	1457
Lake Medvedeskoye (Russia)		glass	70.21	0.23	13.04	3.69	0.16	0.23	1.36	4.56	3.27					96.75	2	1457
Lake Medvedeskoye (Russia)		glass	70.07	0.30	13.06	3.57	0.20	0.24	1.28	4.63	3.20					96.55	2	1457
Lake Medvedeskoye (Russia)		glass	69.56	0.24	13.34	3.79	0.17	0.26	1.18	4.91	3.38					96.83	2	1457
Lake Medvedeskoye (Russia)		glass	69.52	0.30	13.17	3.65	0.19	0.25	1.32	4.64	3.26					96.30	2	1457
Lake Medvedeskoye (Russia)		glass	69.45	0.30	13.11	3.69	0.17	0.21	1.17	4.57	3.42					96.09	2	1457
Lake Medvedeskoye (Russia)		glass	69.34	0.30	13.86	3.70	0.13	0.41	1.28	4.62	3.11					96.75	2	1457
Lake Medvedeskoye (Russia)		glass	69.20	0.23	13.01	3.83	0.22	0.21	1.18	4.58	3.09					95.55	2	1457
Lake Medvedeskoye (Russia)		glass	68.93	0.35	13.32	3.66	0.18	0.21	1.18	4.55	3.36					95.74	2	1457
Lake Pastorskoye (Russia)		glass	70.84	0.26	13.61	3.91	0.22	0.25	1.41	4.78	3.31					98.59	2	1457
Lake Pastorskoye (Russia)		glass	70.49	0.25	13.21	3.73	0.10	0.23	1.36	4.78	3.42					97.57	2	1457
Lake Pastorskoye (Russia)		glass	70.03	0.25	13.54	4.34	0.15	0.28	1.19	4.90	3.35					98.03	2	1457
Lake Pastorskoye (Russia)		glass	69.95	0.26	13.33	3.39	0.14	0.24	1.09	4.84	3.27					96.51	2	1457
Lake Pastorskoye (Russia)		glass	69.68	0.22	13.50	3.69	0.14	0.23	1.33	4.75	3.31					96.85	2	1457
Lake Pastorskoye (Russia)		glass	69.46	0.25	13.58	4.08	0.10	0.26	1.24	4.73	3.53					97.23	2	1457
Lake Pastorskoye (Russia)		glass	68.99	0.27	13.17	3.89	0.20	0.24	1.24	4.59	3.01					95.60	2	1457
Lerstadvatn (Norway)		glass	75.41	0.49	13.03	3.94	0.27	0.31	1.43	2.44	3.43					100.75	20	352
Lerstadvatn (Norway)		glass	74.30	0.09	12.86	3.94	0.13	0.22	1.14	2.00	3.15					97.83	20	352
Lerstadvatn (Norway)		glass	74.19	0.27	12.49	3.78	0.04	0.24	1.25	2.38	2.98					97.62	20	352
Lerstadvatn (Norway)		glass	72.46	0.00	13.36	3.87	0.00	0.21	1.32	1.81	2.94					95.97	20	352
Lerstadvatn (Norway)		glass	71.83	0.38	13.30	4.14	0.22	0.19	1.35	1.87	2.92					96.20	20	352
Lerstadvatn (Norway)		glass	55.32	3.48	13.42	11.57	0.22	3.80	6.75	3.01	1.47					99.04	20	352
Lerstadvatn (Norway)		glass	54.78	3.10	13.15	11.86	0.35	3.93	7.34	2.68	1.40					98.59	20	352
Lerstadvatn (Norway)		glass	53.37	3.61	12.07	12.79	0.00	4.26	7.95	2.99	1.30					98.34	20	352
Lerstadvatn (Norway)		glass	49.05	4.79	12.40	14.66	0.13	5.32	9.11	3.11	0.76					99.33	20	352
Saudedalsmyra (Norway)		glass	73.87	0.43	13.18	3.63	0.07	0.22	1.09	1.39	2.80					96.68	20	352
Saudedalsmyra (Norway)		glass	73.62	0.24	13.46	3.85	0.10	0.24	1.17	1.79	2.71					97.18	20	352
Saudedalsmyra (Norway)		glass	73.12	0.32	13.20	3.55	0.28	0.17	1.13	1.58	2.57					95.92	20	352
Saudedalsmyra (Norway)		glass	72.92	0.27	13.67	3.76	0.10	0.21	1.12	1.94	2.77					96.76	20	352
Saudedalsmyra (Norway)		glass	72.69	0.56	13.29	3.68	0.19	0.20	1.10	1.65	2.81					96.07	20	352
Saudedalsmyra (Norway)		glass	53.98	3.25	13.38	11.49	0.27	3.67	6.64	2.61	1.43					96.72	20	352
Skjervikmyra (Norway)		glass	73.82	0.39	13.32	3.73	0.19	0.12	1.19	2.43	3.33					98.52	20	352
Skjervikmyra (Norway)		glass	72.88	0.57	13.11	3.58	0.14	0.25	1.23	2.03	3.17					96.96	20	352
Skjervikmyra (Norway)		glass	72.72	0.17	13.25	3.86	0.00	0.15	1.28	2.01	3.25					96.69	20	352
Skjervikmyra (Norway)		glass	72.52	0.46	13.50	3.98	0.21	0.30	1.19	1.94	3.30					97.40	20	352
Skjervikmyra (Norway)		glass	71.94	0.21	13.31	3.76	0.16	0.27	1.22	2.00	3.19					96.06	20	352
Skjervikmyra (Norway)		glass	52.71	3.79	13.07	12.66	0.32	4.48	7.94	2.93	1.25					99.15	20	352
Skjervikmyra (Norway)		glass	52.62	3.49	12.97	12.70	0.08	4.27	7.97	3.07	1.20					98.37	20	352
Skjervikmyra (Norway)		glass	51.28	3.53	12.91	13.38	0.00	4.64	8.21	3.13	1.12					98.20	20	352
Skjervikmyra (Norway)		glass	50.24	4.11	13.16	13.66	0.24	4.91	8.63	3.24	0.99					99.18	20	352
Skjervikmyra (Norway)		glass	49.87	4.16	13.53	14.45	0.31	5.50	9.12	3.04	0.66					100.64	20	352
Skjervikmyra (Norway)		glass	48.84	4.15	12.92	14.27	0.23	5.15	8.99	2.90	0.75					98.20	20	352
Tynaspirit West (Scotland)		glass	71.65	0.23	13.62	3.88	0.13	0.19	1.24	4.17	3.41					98.51	2	1049
Tynaspirit West (Scotland)		glass	71.41	0.29	13.56	3.72	0.15	0.21	1.32	4.33	3.55					98.53	2	1049
Tynaspirit West (Scotland)		glass	70.53	0.28	13.21	3.67	0.19	0.23	1.33	4.51	3.54					97.49	2	1049
Tynaspirit West (Scotland)		glass	70.35	0.28	13.27	3.57	0.13	0.25	1.33	4.38	3.25					96.83	2	1049
Tynaspirit West (Scotland)		glass	69.39	0.28	13.08	3.85	0.15	0.22	1.25	4.36	3.59					96.16	2	1049
Tynaspirit West (Scotland)		glass	69.31	0.28	12.88	3.61	0.17	0.23	1.35	4.64	3.65					96.10	2	1049
Whitrig Bog (Scotland)		glass	72.73	0.27	13.67	3.69	0.13	0.20	1.31	4.14	3.48					99.61	2	1049
Whitrig Bog (Scotland)		glass	72.39	0.26	13.37	3.75	0.15	0.19	1.30	4.30	3.47					99.18	2	1049
Whitrig Bog (Scotland)		glass	72.21	0.26	13.15	3.58	0.13	0.21	1.31	4.59	3.43					98.85	2	1049
Whitrig Bog (Scotland)		glass	71.76	0.29	13.26	3.59	0.15	0.26	1.28	4.42	3.51					98.51	2	1049
Whitrig Bog (Scotland)		glass	71.52	0.31	13.30	3.69	0.15	0.22	1.18	4.39	3.55					98.31	2	1049
Whitrig Bog (Scotland)		glass	71.48	0.30	13.22	3.82	0.10	0.20	1.32	4.53	3.54					98.49	2	1049
Whitrig Bog (Scotland)		glass	71.26	0.29	13.05	3.89	0.15	0.26	1.21	4.33	3.54					97.98	2	1049
Whitrig Bog (Scotland)		glass	71.21	0.25	13.42	3.68	0.10	0.17	1.21	4.70	3.49					98.22	2	1049
Whitrig Bog (Scotland)		glass	70.98	0.26	13.58	3.78	0.20	0.18	1.18	4.44	3.70					98.31	2	1049
Whitrig Bog (Scotland)		glass	70.29	0.32	12.88	3.55	0.18	0.21	1.22	4.49	3.61					96.74	2	1049
Whitrig Bog (Scotland)		glass	70.16	0.31	13.05	3.81	0.16	0.16	1.23	4.92	3.39					97.18	2	1049
Whitrig Bog (Scotland)		glass	70.13	0.28	13.20	3.70	0.13	0.21	1.25	4.68	3.62					97.20	2	1049
Whitrig Bog (Scotland)		glass	70.04	0.27	13.05	3.67	0.18	0.21	1.35	4.88	3.57					97.21	2	1049
Whitrig Bog (Scotland)		glass	70.04	0.28	13.10	3.83	0.10	0.20	1.29	4.67	3.59					97.12	2	1049
Whitrig Bog (Scotland)		glass	70.03	0.28	13.16	3.87	0.14	0.19	1.13	4.74	3.77					97.31	2	1049
Whitrig Bog (Scotland)		glass	70.02	0.30	13.09	3.53	0.15	0.22	1.20	4.11	3.31					95.93	2	1049
Whitrig Bog (Scotland)		glass	70.01	0.36	13.17	3.72	0.12	0.22	1.17	4.39	3.41					96.57	2	1049
Whitrig Bog (Scotland)		glass	69.94	0.33	12.74	3.94	0.12	0.17	1.20	5.14	3.53					97.11	2	1049
Whitrig Bog (Scotland)		glass	69.89	0.30	13.35	3.63	0.16	0.19	1.25	4.31	3.48					96.55	2	1049
Whitrig Bog (Scotland)		glass	69.88	0.26	13.01	3.69	0.16	0.18	1.28	4.54	3.76					96.76	2	1049
Whitrig Bog (Scotland)		glass	69.85	0.25	12.70	3.39	0.12	0.16	1.03	4.13	3.66					95.29	2	1049
Whitrig Bog (Scotland)		glass	69.65	0.30	13.02	3.69	0.13	0.21	1.24	4.51	3.52					96.26	2	1049
Whitrig Bog (Scotland)		glass	69.65	0.31	13.12	3.56	0.12	0.22	1.23	4.01	3.49					95.72	2	1049
Whitrig Bog (Scotland)		glass	69.64	0.25	12.86	3.66	0.11	0.21	1.17	4.68	3.57					96.15	2	1049
Whitrig Bog (Scotland)		glass	69.54	0.27	13.16	3.67	0.09	0.21	1.25	4.64	3.58					96.40	2	1049
Whitrig Bog (Scotland)		glass	69.42	0.26	12.68	3.62	0.10	0.20	1.21	4.45	3.42					95.36	2	1049
Whitrig Bog (Scotland)		glass	69.20	0.28	12.78	3.58	0.11	0.19	1.37	4.12	3.45					95.08	2	1049
Whitrig Bog (Scotland)		glass	69.19	0.20	12.98	3.79	0.06	0.21	1.28	4.73	3.73					96.16	2	1049
Whitrig Bog (Scotland)		glass	68.85	0.24	12.68	3.80	0.13	0.20	1.24	4.72	3.61					95.46	2	1049
Whitrig Bog (Scotland)		glass	68.74	0.34	13.16	3.53	0.16	0.25	1.14	4.56	3.43					95.31	2	1049

Instrument Conditions

These analyses were carried out under the following electron microprobe conditions.

Please refer to papers for full details of the instrument conditions, standards etc used to create these analyses
EP	Instrument	Beam current (nA)	Beam voltage (kV)	Correction	Sample
2	Cambridge Instruments Microscan V (University of Edinburgh)	15	20	ZAF	Thin section mounted in araldite then ground and polished
16	Camca SX100 (University of Edinburgh)	2	15	PAP	Thin section mounted in araldite then ground and polished
17	Jeol 733 Superprobe (Queens University, Belfast)	10	15	ZAF	Thin section mounted in araldite then ground and polished
20	ARL SEMQ	5	15	MAGIC IV	Thin section
21	ARL-SEMQ Dept. of Earth Science, University of Bergen)	10	15		Mounted in epoxy resin and ground and polished
33	JEOL JXA8800R	10	20	ZAF	Mounted in epoxy resin and ground and polished

References

The data on this page is from the following source(s). If you use this data please acknowledge the source of the data. he number preceeding each reference matches the Ref number on the data table above.

1412 - Bjorck, J. and Wastegard, S. (1999) Climate oscillations and tephrochronology in eastern middle Sweden during the last glacial-interglacial transition. Journal of Quaternary Science 14, ,399-410..

2234 - Koren, J.H., Svendsen, J.I., Mangerud, J. and Furnes, H. (2008) The Dimna Ash - A 12.8 C-14 ka-old volcanic ash in Western Norway. Quaternary Science Reviews 27, 85-94.

352 - Mangerud, J., Lie, S.E., Furnes, H., Kristiansen, I.L., and Lomo, L. (1984) A Younger Dryas ash bed in western Norway and its possible correlations with tephra in cores from the Norwegian Sea and the North Atlantic. Quaternary Research 21, 85-104.

2977 - Matthews, IP, Birks, HH, Bourne, AJ, Brooks, SJ, Lowe, JJ, Macleod, A and Pyne-O'Donnell, SDF (2011) New age estimates and climatostratigraphic correlations for the Borrobol and Penifiler Tephras: evidence from Abernethy Forest, Scotland. Journal of Quaternary Science 26, ,247-252.

1958 - Pilcher, J., Bradley, R. S., Francus, P. and Anderson, L. (2005) A Holocene tephra record from the Lofoten Islands, Arctic Norway. Boreas 34, 136-156.

1049 - Turney, C.S.M., Harkness, D.D. and Lowe, J.J. (1997) The use of microtephra horizons to correlate Late-glacial lake sediment successions in Scotland. Journal of Quaternary Science 12 (6), 525-531..

1116 - Wastegard, S., Bjorck, S., Possnert, G. and Wohlfarth, B. (1998) Evidence of the occurance of Vedde Ash in Sweden: radiocarbon age estimates. Journal of Quaternary Science 13(3), 271-274..

1457 - Wastegard, S., Wohlfarth, B., Subetto, D.A. and Sapelko, T.V. (2000) Extending the known distribution of the Younger Dryas Vedde Ash into northwestern Russia. Journal of Quaternary Science 15(6), 581-586..

1598 - Zillen, L.M., Wastegard, S. and Snowball, I.F. (2002) Calendar year ages of three mid-Holocene tephra layers identified in varved lake sediments in west central Sweden. Quaternary Science Reviews 21, 1583-1591..

Data Sources

All of the data contained in this database is either published or donated. When using the data, acknowledgement must be made of the original source of the data and that the data was obtained from Tephrabase. See Copyright information.

This Tephrabase search was made on 5/7/2025 at 07:21:31 local time, Edinburgh, Scotland, UK.