All analyses of the Askja 1875 Tephra

This search has found 264 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	Phase	SiO₂	TiO₂	Al₂O₃	FeO	MnO	MgO	CaO	Na₂O	K₂O	P₂O₅	Cl	F	Total	EP	Ref
Barackmossen (Sweden)	glass	73.28	0.70	12.22	3.29	0.08	0.56	2.29	3.33	2.54				98.27	2	1680
Barackmossen (Sweden)	glass	72.54	0.77	12.31	3.20	0.09	0.63	2.27	3.24	2.50				97.57	2	1680
Barackmossen (Sweden)	glass	71.34	0.80	12.15	3.16	0.05	0.71	2.56	3.48	2.44				96.68	2	1680
Barackmossen (Sweden)	glass	70.99	0.80	12.02	3.34	0.05	0.71	2.44	2.84	2.35				95.53	2	1680
Barackmossen (Sweden)	glass	70.92	1.02	12.00	4.41	0.17	0.82	2.94	3.31	2.36				97.95	2	1680
Barackmossen (Sweden)	glass	70.85	0.78	12.32	3.40	0.05	0.65	2.43	2.65	2.07				95.20	2	1680
Barackmossen (Sweden)	glass	70.45	0.91	12.22	3.76	0.12	0.73	2.61	2.73	2.38				96.92	2	1680
Barackmossen (Sweden)	glass	70.16	0.74	12.44	3.58	0.05	0.74	2.27	3.33	2.37				95.36	2	1680
Barackmossen (Sweden)	glass	65.70	1.39	13.17	6.10	0.10	1.46	4.09	3.34	1.76				97.10	2	1680
Barackmossen (Sweden)	glass	63.27	1.48	12.75	7.51	0.19	1.74	4.99	3.20	1.66				96.79	2	1680
Borge (Norway)	glass	75.45	0.17	12.17	2.33		0.44	1.09	3.09	2.80				97.55	17	1958
Borge (Norway)	glass	74.75	0.81	12.71	3.10		0.58	2.22	3.87	2.42				100.46	17	1958
Borge (Norway)	glass	74.01	0.79	12.60	3.50		0.67	2.43	3.36	2.30				99.65	17	1958
Borge (Norway)	glass	73.86	0.80	12.77	3.43		0.70	2.28	3.62	2.46				99.93	17	1958
Borge (Norway)	glass	73.48	0.81	12.47	2.93		0.56	2.07	3.78	2.55				98.63	17	1958
Borge (Norway)	glass	73.10	0.76	12.53	3.14		0.63	2.22	3.70	2.36				98.44	17	1958
Borge (Norway)	glass	72.97	0.80	12.68	3.35		0.65	2.44	3.80	2.27				98.97	17	1958
Borge (Norway)	glass	72.79	0.84	12.90	3.66		0.73	2.72	3.72	2.24				99.59	17	1958
Borge (Norway)	glass	72.78	0.88	12.74	3.41		0.64	2.62	3.77	2.45				100.29	17	1958
Borge (Norway)	glass	72.67	0.84	12.70	3.54		0.75	2.71	3.75	2.27				99.22	17	1958
Borge (Norway)	glass	72.40	0.82	12.58	3.36		0.69	2.42	3.99	2.34				98.59	17	1958
Borge (Norway)	glass	72.36	0.72	12.56	3.28		0.68	2.31	3.62	2.32				97.84	17	1958
Borge (Norway)	glass	72.11	0.86	12.72	3.84		0.81	2.74	3.70	2.29				99.06	17	1958
Borge (Norway)	glass	72.01	0.31	14.38	3.59		0.28	2.14	4.76	2.54				100.01	17	1958
Borge (Norway)	glass	71.92	0.97	12.93	3.84		0.79	2.84	3.77	2.39				99.44	17	1958
Borge (Norway)	glass	71.40	0.86	12.51	3.35		0.68	2.46	3.72	2.28				97.25	17	1958
Borge (Norway)	glass	69.94	0.90	13.22	4.26		0.89	3.15	3.48	2.14				97.97	17	1958
Deger� Stormyr (Sweden)	glass	75.20	0.68	11.52	2.99	0.08	0.49	2.00	3.27	2.54	0.10			98.89	16	4505
Deger� Stormyr (Sweden)	glass	74.49	0.75	12.03	3.11	0.10	0.58	2.28	4.11	2.50	0.13			100.08	16	4505
Deger� Stormyr (Sweden)	glass	74.32	0.80	12.53	3.37	0.11	0.65	2.49	3.77	2.44	0.15			100.62	16	4505
Deger� Stormyr (Sweden)	glass	74.15	0.76	12.38	3.13	0.09	0.63	2.34	4.06	2.52	0.13			100.17	16	4505
Deger� Stormyr (Sweden)	glass	74.12	0.79	12.52	3.59	0.10	0.69	2.51	3.97	2.39	0.15			100.82	16	4505
Deger� Stormyr (Sweden)	glass	73.94	0.82	12.26	3.44	0.10	0.71	2.64	4.14	2.42	0.16			100.63	16	4505
Deger� Stormyr (Sweden)	glass	73.71	0.80	12.07	3.57	0.10	0.72	2.57	3.77	2.41	0.14			99.88	16	4505
Deger� Stormyr (Sweden)	glass	73.58	0.80	12.55	3.56	0.10	0.79	2.51	3.99	2.38	0.17			100.43	16	4505
Deger� Stormyr (Sweden)	glass	73.53	0.79	12.30	3.52	0.11	0.70	2.35	3.90	2.52	0.14			99.88	16	4505
Deger� Stormyr (Sweden)	glass	73.46	0.81	12.27	3.33	0.09	0.72	2.46	4.06	2.37	0.16			99.75	16	4505
Deger� Stormyr (Sweden)	glass	72.92	0.81	12.27	3.65	0.10	0.70	2.54	3.84	2.35	0.18			99.37	16	4505
Deger� Stormyr (Sweden)	glass	72.78	0.82	12.15	3.39	0.10	0.76	2.56	2.99	2.44	0.17			98.17	16	4505
Deger� Stormyr (Sweden)	glass	72.51	0.80	12.52	3.47	0.11	0.78	2.52	3.67	2.42	0.19			98.98	16	4505
Deger� Stormyr (Sweden)	glass	72.38	0.80	12.17	3.27	0.10	0.69	2.40	3.70	2.51	0.16			98.17	16	4505
Deger� Stormyr (Sweden)	glass	72.26	0.80	12.25	3.60	0.11	0.73	2.54	4.05	2.35	0.18			98.89	16	4505
Deger� Stormyr (Sweden)	glass	71.65	0.67	12.07	3.31	0.10	0.58	2.39	3.66	2.33	0.15			96.91	16	4505
Kortlandamossen (Sweden)	glass	72.01	0.76	12.06	3.11	0.09	0.59	2.21	3.64	2.34				96.81	2	1680
Kortlandamossen (Sweden)	glass	71.38	0.68	11.92	1.84	0.02	0.48	2.12	3.11	2.66				95.22	2	1680
Kortlandamossen (Sweden)	glass	70.41	0.89	12.14	3.67	0.06	0.74	2.58	3.61	2.27				96.36	2	1680
Kortlandamossen (Sweden)	glass	67.50	1.14	12.76	4.76	0.11	1.59	3.47	5.70	2.02				99.06	2	1680
Kortlandamossen (Sweden)	glass	65.33	1.21	13.36	5.98	0.13	1.38	3.87	3.64	1.88				96.78	2	1680
Kortlandamossen (Sweden)	glass	63.37	1.45	13.11	7.09	0.09	1.74	4.71	3.43	1.75				96.74	2	1680
Kortlandamossen (Sweden)	glass	61.01	0.79	16.16	5.74	0.23	1.07	5.79	4.17	1.59				96.55	2	1680
K�ltorpsmossen (Sweden)	glass	74.51	0.78	12.07	2.63	0.12	0.43	1.90	3.30	2.55				98.28	2	1680
K�ltorpsmossen (Sweden)	glass	73.80	0.78	12.29	3.14	0.09	0.58	2.35	3.09	2.54				98.67	2	1680
K�ltorpsmossen (Sweden)	glass	73.15	0.85	12.28	3.30	0.04	0.72	2.41	3.22	2.32				98.28	2	1680
K�ltorpsmossen (Sweden)	glass	73.07	0.81	12.50	3.55	0.04	0.64	2.33	3.45	2.62				99.02	2	1680
K�ltorpsmossen (Sweden)	glass	72.93	0.88	12.07	3.40	0.08	1.07	2.55	3.49	2.49				98.96	2	1680
K�ltorpsmossen (Sweden)	glass	72.45	0.85	12.36	3.23	0.10	0.63	2.35	3.84	2.41				98.21	2	1680
K�ltorpsmossen (Sweden)	glass	72.14	0.88	12.24	3.20	0.12	0.64	2.35	3.34	2.36				97.27	2	1680
K�ltorpsmossen (Sweden)	glass	72.13	0.93	12.40	3.01	0.11	0.66	2.35	3.29	2.40				97.27	2	1680
K�ltorpsmossen (Sweden)	glass	71.80	0.96	12.34	3.58	0.11	0.71	2.61	3.43	2.40				97.95	2	1680
K�ltorpsmossen (Sweden)	glass	70.50	0.79	12.34	3.90	0.13	0.77	2.65	3.09	2.33				96.49	2	1680
Lake Czechowskie (Poland)	glass	75.08	0.77	12.27	3.33	0.10	0.71	2.36	3.67	2.34	0.14	0.05	0.00	100.77	26	4822
Lake Czechowskie (Poland)	glass	74.44	0.78	12.43	3.39	0.10	0.74	2.38	3.87	2.22	0.12	0.04	0.00	100.47	26	4822
Lake Getvaltj�rnen (Sweden)	glass	73.10	0.75	12.62	3.19	0.14	0.71	2.34	3.61	2.40	0.17			99.04	27	2340
Lake Getvaltj�rnen (Sweden)	glass	73.05	0.83	13.01	3.52	0.10	0.70	2.46	4.02	2.37	0.18			100.24	27	2340
Lake Getvaltj�rnen (Sweden)	glass	72.94	0.74	12.49	3.14	0.12	0.63	2.28	3.94	2.53	0.15			98.96	27	2340
Lake Getvaltj�rnen (Sweden)	glass	72.71	0.73	12.68	3.25	0.10	0.60	2.12	3.79	2.39	0.13			98.49	27	2340
Lake Getvaltj�rnen (Sweden)	glass	72.68	0.76	12.35	3.27	0.10	0.61	2.29	4.10	2.49	0.13			98.78	27	2340
Lake Getvaltj�rnen (Sweden)	glass	72.43	0.76	12.08	2.81	0.11	0.49	1.90	4.20	2.47	0.11			97.35	27	2340
Lake Getvaltj�rnen (Sweden)	glass	72.42	0.82	12.43	3.10	0.09	0.56	2.09	4.08	2.45	0.16			98.20	27	2340
Lake Getvaltj�rnen (Sweden)	glass	72.28	0.74	12.57	3.20	0.11	0.65	2.27	4.18	2.36	0.16			98.51	27	2340
Lake Getvaltj�rnen (Sweden)	glass	72.19	0.82	12.62	3.24	0.15	0.64	2.33	4.13	2.34	0.13			98.60	27	2340
Lake Getvaltj�rnen (Sweden)	glass	72.19	0.76	12.32	3.29	0.10	0.61	2.16	4.18	2.43	0.16			98.19	27	2340
Lake Getvaltj�rnen (Sweden)	glass	72.12	0.81	12.79	3.43	0.10	0.68	2.41	4.10	2.44	0.15			99.03	27	2340
Lake Getvaltj�rnen (Sweden)	glass	72.12	0.84	12.84	3.55	0.10	0.70	2.53	4.06	2.34	0.17			99.24	27	2340
Lake Getvaltj�rnen (Sweden)	glass	72.09	0.80	12.45	3.35	0.12	0.68	2.50	4.09	2.48	0.17			98.72	27	2340
Lake Getvaltj�rnen (Sweden)	glass	72.04	0.86	12.77	3.62	0.12	0.72	2.54	4.12	2.29	0.18			99.24	27	2340
Lake Getvaltj�rnen (Sweden)	glass	72.02	0.81	12.50	3.39	0.06	0.69	2.27	3.64	2.51	0.18			98.07	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.96	0.78	12.61	3.30	0.11	0.68	2.35	4.24	2.30	0.17			98.50	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.94	0.86	12.42	3.56	0.13	0.74	2.54	3.95	2.34	0.19			98.67	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.93	0.77	12.40	3.26	0.08	0.63	2.23	4.11	2.33	0.16			97.88	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.86	0.79	12.40	3.53	0.12	0.67	2.28	3.88	2.46	0.16			98.13	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.86	0.84	12.46	3.59	0.08	0.69	2.60	4.08	2.45	0.18			98.83	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.85	0.79	12.38	3.44	0.12	0.64	2.28	4.05	2.40	0.16			98.10	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.83	0.79	12.33	3.33	0.12	0.64	2.31	4.07	2.42	0.21			98.04	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.83	0.80	12.44	3.35	0.11	0.70	2.40	3.80	2.37	0.20			97.99	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.82	0.88	12.56	3.59	0.13	0.74	2.53	4.01	2.41	0.17			98.85	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.78	0.82	12.72	3.44	0.13	0.72	2.40	4.11	2.56	0.14			98.81	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.74	0.85	12.68	3.60	0.14	0.78	2.58	3.89	2.52	0.20			98.97	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.71	0.85	12.65	3.74	0.12	0.78	2.59	3.98	2.37	0.19			98.97	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.69	0.81	12.58	3.26	0.08	0.62	2.19	4.06	2.37	0.15			97.79	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.67	0.83	12.23	3.50	0.11	0.76	2.39	4.04	2.61	0.25			98.39	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.63	0.81	12.37	3.37	0.11	0.70	2.32	4.21	2.43	0.15			98.08	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.63	0.83	12.67	3.64	0.12	0.75	2.63	4.04	2.38	0.22			98.88	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.62	0.81	12.82	3.59	0.14	0.69	2.53	4.24	2.46	0.19			99.09	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.58	0.73	12.01	2.89	0.14	0.62	2.05	3.76	2.46	0.11			96.35	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.55	0.82	12.52	3.54	0.12	0.74	2.45	3.93	2.34	0.21			98.19	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.52	0.82	12.67	3.65	0.11	0.73	2.59	4.16	2.34	0.17			98.74	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.41	0.85	12.66	3.70	0.13	0.79	2.54	4.09	2.48	0.18			98.82	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.29	0.81	12.21	3.27	0.06	0.72	2.33	3.89	2.36	0.16			97.10	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.28	0.86	12.70	3.31	0.12	0.70	2.38	4.08	2.30	0.18			97.91	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.24	0.83	12.46	3.69	0.10	0.76	2.55	4.07	2.35	0.18			98.23	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.23	0.85	12.51	3.67	0.13	0.74	2.49	3.94	2.30	0.17			98.03	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.21	0.89	12.69	3.74	0.10	0.75	2.63	4.07	2.47	0.17			98.72	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.20	0.86	12.63	3.65	0.16	0.74	2.53	4.21	2.42	0.19			98.59	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.18	0.84	12.74	3.63	0.13	0.72	2.52	4.08	2.40	0.17			98.41	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.15	0.85	12.92	3.83	0.13	0.78	2.66	4.15	2.29	0.22			98.96	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.14	0.83	12.56	3.83	0.08	0.78	2.67	3.83	2.32	0.21			98.25	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.14	0.82	12.48	3.49	0.11	0.71	2.50	4.12	2.45	0.18			97.98	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.11	0.83	12.88	3.67	0.16	0.75	2.68	4.26	2.40	0.16			98.90	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.10	0.81	12.58	3.40	0.10	0.71	2.34	4.01	2.31	0.17			97.53	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.03	0.82	13.06	3.81	0.10	0.79	2.69	4.16	2.38	0.20			99.05	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.03	0.85	12.36	3.56	0.10	0.80	2.48	3.45	2.13	0.14			96.89	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.02	0.81	12.55	3.54	0.11	0.75	2.44	4.08	2.32	0.19			97.79	27	2340
Lake Getvaltj�rnen (Sweden)	glass	71.00	0.85	12.59	3.62	0.11	0.71	2.55	4.12	2.35	0.18			98.09	27	2340
Lake Getvaltj�rnen (Sweden)	glass	70.99	0.84	12.66	4.03	0.17	0.85	2.75	3.58	2.26	0.19			98.32	27	2340
Lake Getvaltj�rnen (Sweden)	glass	70.87	0.87	12.60	3.99	0.13	0.78	2.66	4.12	2.26	0.20			98.47	27	2340
Lake Getvaltj�rnen (Sweden)	glass	70.84	0.85	12.28	3.52	0.13	0.73	2.46	3.97	2.26	0.19			97.22	27	2340
Lake Getvaltj�rnen (Sweden)	glass	70.84	0.87	12.70	3.69	0.17	0.73	2.57	4.00	2.24	0.17			97.97	27	2340
Lake Getvaltj�rnen (Sweden)	glass	70.76	0.86	12.66	3.87	0.15	0.86	2.80	4.16	2.39	0.21			98.71	27	2340
Lake Getvaltj�rnen (Sweden)	glass	70.74	0.81	12.42	3.58	0.10	0.74	2.47	3.98	2.27	0.15			97.25	27	2340
Lake Getvaltj�rnen (Sweden)	glass	70.69	0.82	12.33	3.50	0.15	0.72	2.41	4.07	2.23	0.19			97.11	27	2340
Lake Getvaltj�rnen (Sweden)	glass	70.63	0.79	12.65	3.56	0.12	0.69	2.44	4.12	2.43	0.18			97.62	27	2340
Lake Getvaltj�rnen (Sweden)	glass	70.54	0.90	12.66	3.86	0.12	0.82	2.67	4.11	2.34	0.20			98.22	27	2340
Lake Getvaltj�rnen (Sweden)	glass	70.51	0.88	12.68	4.01	0.13	0.83	2.80	4.16	2.29	0.23			98.52	27	2340
Lake Getvaltj�rnen (Sweden)	glass	69.98	0.85	12.35	3.70	0.14	0.78	2.50	3.95	2.34	0.20			96.77	27	2340
Lake Getvaltj�rnen (Sweden)	glass	69.89	0.87	12.81	4.22	0.08	0.80	2.76	3.98	2.23	0.23			97.86	27	2340
Lake Getvaltj�rnen (Sweden)	glass	69.81	0.74	12.07	3.31	0.10	0.68	2.28	3.92	2.29	0.17			95.37	27	2340
Lake Getvaltj�rnen (Sweden)	glass	69.69	0.79	12.03	3.30	0.15	0.66	2.26	3.72	2.37	0.13			95.10	27	2340
Lake Getvaltj�rnen (Sweden)	glass	69.66	1.03	12.96	4.71	0.16	0.95	3.29	3.88	2.27	0.27			99.18	27	2340
Lake Getvaltj�rnen (Sweden)	glass	69.48	0.99	12.82	4.39	0.11	0.94	3.05	4.09	2.20	0.24			98.30	27	2340
Lake Getvaltj�rnen (Sweden)	glass	69.35	0.96	12.72	4.39	0.13	0.86	3.12	4.02	2.23	0.27			98.06	27	2340
Lake Getvaltj�rnen (Sweden)	glass	69.34	0.79	12.43	3.47	0.12	0.70	2.44	4.06	2.26	0.19			95.80	27	2340
Lake Getvaltj�rnen (Sweden)	glass	68.91	0.70	14.77	3.00	0.11	0.57	3.48	4.33	2.06	0.13			98.05	27	2340
Lake Getvaltj�rnen (Sweden)	glass	68.83	0.79	12.35	3.56	0.10	0.74	2.62	3.83	2.28	0.18			95.29	27	2340
Lake Getvaltj�rnen (Sweden)	glass	67.29	0.82	13.71	4.10	0.10	0.77	3.30	4.10	2.11	0.22			96.51	27	2340
Lake Sp�ime (Sweden)	glass	74.23	0.74	12.45	3.05	0.09	0.54	2.13	3.93	2.50	0.14			99.79	27	2340
Lake Sp�ime (Sweden)	glass	73.60	0.70	12.02	2.89	0.04	0.48	1.81	4.04	2.48	0.12			98.18	27	2340
Lake Sp�ime (Sweden)	glass	73.59	0.74	12.47	3.15	0.11	0.59	2.19	3.94	2.48	0.12			99.38	27	2340
Lake Sp�ime (Sweden)	glass	73.33	0.64	12.29	3.01	0.08	0.57	2.05	3.92	2.69	0.12			98.69	27	2340
Lake Sp�ime (Sweden)	glass	73.13	0.74	12.25	3.09	0.09	0.60	2.19	4.04	2.45	0.16			98.72	27	2340
Lake Sp�ime (Sweden)	glass	73.06	0.78	12.26	3.14	0.13	0.59	2.21	3.83	2.45	0.13			98.59	27	2340
Lake Sp�ime (Sweden)	glass	72.78	0.79	12.68	3.29	0.11	0.64	2.37	3.54	2.55	0.12			98.87	27	2340
Lake Sp�ime (Sweden)	glass	72.73	0.73	12.35	3.31	0.07	0.62	2.26	4.11	2.45	0.15			98.78	27	2340
Lake Sp�ime (Sweden)	glass	72.68	0.78	12.18	3.22	0.10	0.64	2.21	4.20	2.44	0.14			98.59	27	2340
Lake Sp�ime (Sweden)	glass	72.65	0.76	12.15	3.07	0.13	0.58	2.17	3.95	2.52	0.13			98.11	27	2340
Lake Sp�ime (Sweden)	glass	72.64	0.81	12.52	3.64	0.06	0.74	2.71	4.14	2.28	0.20			99.74	27	2340
Lake Sp�ime (Sweden)	glass	72.61	0.80	12.70	3.54	0.11	0.70	2.37	3.90	2.47	0.14			99.34	27	2340
Lake Sp�ime (Sweden)	glass	72.53	0.84	12.56	3.82	0.15	0.73	2.62	3.95	2.45	0.16			99.79	27	2340
Lake Sp�ime (Sweden)	glass	72.46	0.72	12.54	3.07	0.11	0.55	2.11	3.77	2.52	0.14			98.00	27	2340
Lake Sp�ime (Sweden)	glass	72.45	0.79	12.62	3.73	0.14	0.73	2.55	3.98	2.37	0.20			99.55	27	2340
Lake Sp�ime (Sweden)	glass	72.41	0.83	12.49	3.52	0.07	0.72	2.60	3.06	2.26	0.22			98.17	27	2340
Lake Sp�ime (Sweden)	glass	72.41	0.80	12.58	3.55	0.10	0.68	2.57	4.05	2.38	0.17			99.28	27	2340
Lake Sp�ime (Sweden)	glass	72.40	0.80	12.49	3.33	0.09	0.61	2.26	4.02	2.37	0.15			98.52	27	2340
Lake Sp�ime (Sweden)	glass	72.35	0.82	12.51	3.59	0.10	0.70	2.53	3.93	2.28	0.13			98.93	27	2340
Lake Sp�ime (Sweden)	glass	72.32	0.74	12.31	3.42	0.12	0.63	2.28	3.98	2.47	0.14			98.40	27	2340
Lake Sp�ime (Sweden)	glass	72.31	0.80	12.47	3.61	0.11	0.71	2.45	3.87	2.48	0.19			99.00	27	2340
Lake Sp�ime (Sweden)	glass	72.20	0.77	12.55	3.43	0.08	0.66	2.37	3.91	2.37	0.17			98.52	27	2340
Lake Sp�ime (Sweden)	glass	72.16	0.82	12.55	3.48	0.10	0.66	2.46	4.08	2.37	0.18			98.85	27	2340
Lake Sp�ime (Sweden)	glass	72.16	0.82	12.70	3.55	0.14	0.69	2.51	3.91	2.35	0.18			99.01	27	2340
Lake Sp�ime (Sweden)	glass	72.15	0.79	12.55	3.53	0.11	0.72	2.46	4.29	2.51	0.14			99.24	27	2340
Lake Sp�ime (Sweden)	glass	72.09	0.82	12.76	3.68	0.09	0.70	2.47	4.19	2.42	0.17			99.40	27	2340
Lake Sp�ime (Sweden)	glass	72.08	0.81	12.32	3.53	0.12	0.71	2.55	4.19	2.33	0.18			98.81	27	2340
Lake Sp�ime (Sweden)	glass	71.98	0.78	12.36	3.35	0.11	0.71	2.41	4.04	2.36	0.16			98.24	27	2340
Lake Sp�ime (Sweden)	glass	71.98	0.77	12.31	3.30	0.14	0.61	2.34	3.84	2.43	0.16			97.88	27	2340
Lake Sp�ime (Sweden)	glass	71.92	0.80	12.15	3.33	0.08	0.64	2.37	3.93	2.52	0.15			97.89	27	2340
Lake Sp�ime (Sweden)	glass	71.89	0.79	12.61	3.51	0.11	0.67	2.37	4.02	2.34	0.17			98.49	27	2340
Lake Sp�ime (Sweden)	glass	71.78	0.83	12.81	3.63	0.13	0.71	2.65	4.20	2.31	0.16			99.20	27	2340
Lake Sp�ime (Sweden)	glass	71.72	0.90	12.75	3.86	0.16	0.76	2.69	3.98	2.36	0.23			99.40	27	2340
Lake Sp�ime (Sweden)	glass	71.71	0.87	12.82	3.75	0.15	0.74	2.56	3.03	2.47	0.19			98.30	27	2340
Lake Sp�ime (Sweden)	glass	71.70	0.95	12.88	3.77	0.11	0.75	2.68	4.19	2.32	0.19			99.53	27	2340
Lake Sp�ime (Sweden)	glass	71.66	0.81	12.38	3.56	0.09	0.69	2.50	4.04	2.25	0.19			98.16	27	2340
Lake Sp�ime (Sweden)	glass	71.65	0.85	12.53	3.84	0.11	0.75	2.68	3.65	2.35	0.12			98.52	27	2340
Lake Sp�ime (Sweden)	glass	71.56	0.82	12.62	3.86	0.11	0.78	2.70	4.08	2.30	0.20			99.03	27	2340
Lake Sp�ime (Sweden)	glass	71.55	0.86	12.63	3.54	0.15	0.73	2.44	4.14	2.36	0.19			98.59	27	2340
Lake Sp�ime (Sweden)	glass	71.47	0.84	12.53	3.76	0.14	0.74	2.62	4.02	2.42	0.17			98.69	27	2340
Lake Sp�ime (Sweden)	glass	71.42	0.75	12.61	3.67	0.05	0.74	2.70	3.88	2.50	0.18			98.50	27	2340
Lake Sp�ime (Sweden)	glass	71.41	0.88	12.30	3.27	0.10	0.67	2.22	3.92	2.51	0.14			97.41	27	2340
Lake Sp�ime (Sweden)	glass	71.37	0.76	12.25	3.18	0.12	0.64	2.18	3.83	2.31	0.17			96.80	27	2340
Lake Sp�ime (Sweden)	glass	71.34	0.80	12.71	3.69	0.13	0.73	2.70	4.02	2.41	0.16			98.69	27	2340
Lake Sp�ime (Sweden)	glass	71.33	0.80	12.83	3.81	0.08	0.80	2.74	3.85	2.38	0.24			98.86	27	2340
Lake Sp�ime (Sweden)	glass	71.32	0.83	12.52	3.58	0.13	0.75	2.51	4.05	2.34	0.19			98.22	27	2340
Lake Sp�ime (Sweden)	glass	71.32	0.91	12.90	3.89	0.09	0.77	2.69	4.08	2.33	0.20			99.18	27	2340
Lake Sp�ime (Sweden)	glass	71.19	0.85	12.19	3.59	0.14	0.81	2.48	4.18	2.21	0.14			97.77	27	2340
Lake Sp�ime (Sweden)	glass	71.16	0.81	12.31	3.54	0.10	0.69	2.58	3.93	2.32	0.15			97.59	27	2340
Lake Sp�ime (Sweden)	glass	71.15	0.89	12.77	3.46	0.12	0.73	2.49	3.78	2.44	0.20			98.02	27	2340
Lake Sp�ime (Sweden)	glass	71.15	0.85	12.69	3.60	0.14	0.73	2.52	4.34	2.32	0.20			98.55	27	2340
Lake Sp�ime (Sweden)	glass	71.09	0.81	12.42	3.53	0.14	0.75	2.58	4.02	2.44	0.19			97.98	27	2340
Lake Sp�ime (Sweden)	glass	71.01	0.82	12.50	3.47	0.05	0.72	2.60	4.02	2.31	0.17			97.69	27	2340
Lake Sp�ime (Sweden)	glass	70.96	0.85	12.34	3.70	0.13	0.62	2.57	3.09	2.29	0.18			96.72	27	2340
Lake Sp�ime (Sweden)	glass	70.85	0.82	12.30	3.39	0.10	0.73	2.44	4.01	2.38	0.16			97.17	27	2340
Lake Sp�ime (Sweden)	glass	70.79	0.94	12.76	4.21	0.09	0.84	2.89	4.07	2.36	0.25			99.19	27	2340
Lake Sp�ime (Sweden)	glass	70.71	0.89	12.52	3.94	0.10	0.85	2.77	3.79	2.18	0.17			97.91	27	2340
Lake Sp�ime (Sweden)	glass	70.64	0.96	12.61	3.94	0.11	0.81	2.88	3.87	2.26	0.30			98.37	27	2340
Lake Sp�ime (Sweden)	glass	70.62	0.85	12.71	3.63	0.09	0.79	2.62	3.99	2.34	0.18			97.83	27	2340
Lake Sp�ime (Sweden)	glass	70.36	0.84	12.32	3.63	0.15	0.73	2.51	4.04	2.36	0.20			97.13	27	2340
Lake Sp�ime (Sweden)	glass	70.17	0.96	12.90	4.12	0.09	0.80	2.82	4.10	2.20	0.27			98.42	27	2340
Lake Sp�ime (Sweden)	glass	70.08	0.90	12.69	4.07	0.14	0.84	2.83	4.01	2.16	0.23			97.94	27	2340
Lake Sp�ime (Sweden)	glass	69.94	0.96	12.81	4.16	0.07	0.91	2.96	3.59	2.30	0.27			97.99	27	2340
Lake Sp�ime (Sweden)	glass	69.83	0.98	12.70	4.22	0.14	0.92	2.93	3.86	2.37	0.26			98.21	27	2340
Lake Sp�ime (Sweden)	glass	69.79	0.93	12.72	4.10	0.07	0.79	2.98	3.77	2.33	0.20			97.67	27	2340
Lake Sp�ime (Sweden)	glass	69.67	0.94	12.96	4.66	0.17	0.86	3.01	4.02	2.14	0.27			98.69	27	2340
Lake Sp�ime (Sweden)	glass	69.63	0.91	12.56	3.85	0.10	0.84	2.71	3.97	2.34	0.21			97.13	27	2340
Lake Sp�ime (Sweden)	glass	69.61	0.98	12.84	4.36	0.10	0.88	3.05	4.07	2.20	0.24			98.33	27	2340
Lake Sp�ime (Sweden)	glass	69.61	0.80	12.30	3.53	0.07	0.72	2.41	3.82	2.27	0.20			95.72	27	2340
Lake Sp�ime (Sweden)	glass	69.60	1.09	12.76	5.06	0.14	1.04	3.25	3.99	2.23	0.28			99.42	27	2340
Lake Sp�ime (Sweden)	glass	68.59	1.10	12.97	4.92	0.12	1.11	3.46	3.53	2.08	0.30			98.18	27	2340
Snidanes (Iceland)	glass	73.78	0.82	12.64	3.34	0.13	0.68	2.40	3.38	2.38				99.55	2	1301
Snidanes (Iceland)	glass	72.84	0.80	12.36	3.10	0.09	0.59	2.09	3.28	2.48				97.63	2	1301
Snidanes (Iceland)	glass	72.73	0.83	12.47	2.93	0.12	0.60	2.32	3.27	2.45				97.72	2	1301
Snidanes (Iceland)	glass	72.61	0.70	12.33	3.17	0.16	0.65	2.38	3.45	2.44				97.89	2	1301
Snidanes (Iceland)	glass	72.55	0.75	12.26	3.23	0.08	0.58	2.12	3.30	2.54				97.41	2	1301
Snidanes (Iceland)	glass	72.24	0.74	12.16	3.06	0.10	0.62	2.33	3.05	2.56				96.86	2	1301
Snidanes (Iceland)	glass	72.21	0.77	12.69	3.42	0.09	0.65	2.30	3.18	2.38				97.69	2	1301
Snidanes (Iceland)	glass	72.20	0.72	12.50	3.30	0.18	0.67	2.30	3.60	2.24				97.71	2	1301
Snidanes (Iceland)	glass	72.20	0.80	12.52	3.40	0.11	0.69	2.35	3.40	2.32				97.79	2	1301
Snidanes (Iceland)	glass	72.19	0.84	12.32	3.30	0.14	0.61	2.36	3.58	2.62				97.96	2	1301
Snidanes (Iceland)	glass	72.14	0.79	12.66	3.23	0.10	0.63	2.29	3.53	2.46				97.83	2	1301
Snidanes (Iceland)	glass	72.07	0.83	12.30	2.88	0.08	0.53	1.97	3.53	2.56				96.75	2	1301
Snidanes (Iceland)	glass	72.04	0.79	12.08	3.34	0.09	0.66	2.43	3.35	2.37				97.15	2	1301
Snidanes (Iceland)	glass	71.93	0.82	12.48	3.43	0.07	0.58	2.23	3.16	2.51				97.21	2	1301
Snidanes (Iceland)	glass	71.83	0.69	12.58	3.43	0.13	0.67	2.31	3.23	2.34				97.21	2	1301
Snidanes (Iceland)	glass	71.50	0.76	12.25	3.47	0.10	0.71	2.33	3.64	2.22				96.98	2	1301
Snidanes (Iceland)	glass	71.35	0.84	12.20	3.44	0.10	0.64	2.39	3.35	2.57				96.88	2	1301
Snidanes (Iceland)	glass	71.33	0.88	12.72	3.55	0.11	0.70	2.57	3.56	2.36				97.78	2	1301
Stor �myr�n (Sweden)	glass	73.56	0.81	12.60	3.95		0.69	2.02	3.45	2.34				99.40	4	987
Stor �myr�n (Sweden)	glass	73.52	0.85	12.85	3.72		0.64	2.30	3.34	2.51				99.74	4	987
Stor �myr�n (Sweden)	glass	73.33	0.85	12.58	3.92		0.72	2.29	3.48	2.42				99.53	4	987
Stor �myr�n (Sweden)	glass	73.25	0.85	12.57	4.07		0.78	2.38	3.46	2.37				99.73	4	987
Stor �myr�n (Sweden)	glass	73.17	0.82	12.66	3.69		0.65	2.26	3.20	2.55				99.00	4	987
Stor �myr�n (Sweden)	glass	73.09	0.86	12.59	3.82		0.69	2.53	3.63	2.39				99.59	4	987
Stor �myr�n (Sweden)	glass	72.90	0.89	12.61	3.76		0.75	2.42	3.48	2.20				99.02	4	987
Stor �myr�n (Sweden)	glass	72.79	0.85	13.03	3.75		0.79	2.71	3.73	2.33				99.98	4	987
Stor �myr�n (Sweden)	glass	72.55	0.87	12.94	3.86		0.74	2.50	3.44	2.37				99.27	4	987
Stor �myr�n (Sweden)	glass	72.30	0.86	12.60	3.77		0.73	2.39	3.48	2.49				98.62	4	987
Stor �myr�n (Sweden)	glass	72.00	0.96	12.86	3.76		0.87	3.00	4.16	2.25				99.86	4	987
Stor �myr�n (Sweden)	glass	71.94	0.93	12.58	3.40		0.71	2.51	3.51	2.39				97.97	4	987
Stor �myr�n (Sweden)	glass	71.88	0.92	12.85	3.83		0.74	2.59	3.59	2.43				98.82	4	987
Stor �myr�n (Sweden)	glass	71.61	0.90	12.69	3.93		0.70	2.44	3.49	2.35				98.11	4	987
Stor �myr�n (Sweden)	glass	71.02	0.81	12.37	3.63		0.71	2.54	3.34	2.35				96.77	4	987
Stor �myr�n (Sweden)	glass	70.94	0.96	13.23	3.92		0.81	2.71	3.77	2.30				98.64	4	987
Stor �myr�n (Sweden)	glass	68.88	0.93	14.98	3.57		0.77	2.59	3.59	2.31				97.62	4	987
Tiefer See (Germany)	glass	75.72	0.91	12.36	3.11	0.08	0.66	2.31	3.12	2.44	0.12	0.03	0.00	100.83	26	4822
Tiefer See (Germany)	glass	75.41	0.74	12.23	3.19	0.08	0.65	2.33	3.18	2.46	0.13	0.04	0.00	100.40	26	4822
Tiefer See (Germany)	glass	75.38	0.78	12.31	3.16	0.07	0.65	2.41	3.36	2.39	0.12	0.03	0.00	100.63	26	4822
Tiefer See (Germany)	glass	75.19	0.78	12.54	3.42	0.12	0.71	2.55	3.60	2.30	0.14	0.04	0.00	101.34	26	4822
Tiefer See (Germany)	glass	75.17	0.82	12.21	3.35	0.11	0.74	2.48	3.63	2.31	0.12	0.03	0.00	100.94	26	4822
Tiefer See (Germany)	glass	74.83	0.83	12.29	3.36	0.10	0.70	2.54	3.52	2.31	0.15	0.03	0.00	100.64	26	4822
Tiefer See (Germany)	glass	74.45	0.78	12.09	3.15	0.12	0.71	2.22	3.49	2.42	0.13	0.04	0.00	99.57	26	4822
Tiefer See (Germany)	glass	74.14	0.77	12.19	3.23	0.11	0.69	2.26	3.38	2.48	0.12	0.05	0.00	99.37	26	4822
Tiefer See (Germany)	glass	73.73	0.86	12.79	3.90	0.11	0.83	2.75	3.28	2.24	0.18	0.04	0.00	100.67	26	4822
Tiefer See (Germany)	glass	73.39	0.91	12.59	3.73	0.13	0.86	2.72	3.21	2.26	0.17	0.04	0.00	99.96	26	4822
Tiefer See (Germany)	glass	72.45	0.99	12.45	4.77	0.12	1.02	3.36	3.43	2.07	0.25	0.03	0.00	100.91	26	4822
Tiefer See (Germany)	glass	71.81	1.08	13.01	4.57	0.12	1.06	3.28	3.72	2.13	0.24	0.03	0.00	101.01	26	4822
Tiefer See (Germany)	glass	71.67	1.17	12.54	4.78	0.13	0.96	3.33	3.55	2.25	0.24	0.03	0.00	100.62	26	4822
Ulv�mossen (Sweden)	glass	74.39	0.75	12.29	2.95	0.10	0.50	1.99	3.23	2.68				98.87	2	1680
Ulv�mossen (Sweden)	glass	74.25	0.68	11.99	3.03	0.15	0.49	2.18	3.38	2.57				98.72	2	1680
Ulv�mossen (Sweden)	glass	72.98	0.81	12.28	3.33	0.04	0.66	2.44	3.04	2.51				98.08	2	1680
Ulv�mossen (Sweden)	glass	72.73	0.80	12.30	3.34	0.09	0.67	2.37	3.17	2.31				97.78	2	1680
Ulv�mossen (Sweden)	glass	72.67	0.68	11.75	3.46	0.07	0.66	2.41	4.48	2.41				98.59	2	1680
Ulv�mossen (Sweden)	glass	72.39	1.06	12.46	3.71	0.10	0.77	2.66	3.54	2.28				98.97	2	1680
Ulv�mossen (Sweden)	glass	71.63	0.87	12.25	3.40	0.09	0.68	2.76	3.43	2.38				97.49	2	1680
Ulv�mossen (Sweden)	glass	66.60	1.16	12.55	5.23	0.10	1.23	3.56	3.21	2.11				95.75	2	1680
Ulv�mossen (Sweden)	glass	65.39	1.26	12.70	7.13	0.16	1.57	4.51	3.43	1.74				97.88	2	1680
Ulv�mossen (Sweden)	glass	64.67	1.59	13.15	6.55	0.14	1.80	4.54	3.61	1.70				97.74	2	1680

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
4	Jeol 733 Superprobe (Queens University, Belfast)	10	15	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
26	JEOL JXA-8230 microprobe (German Research Centre for Geosciences, GFZ)	10	15		Embedded in Araldite 2020 resin in a single-hole-stub, then sectioned and polished by hand on wet silicon carbide paper
27	Camca SX100 (University of Edinburgh)	10	15	PAP	Thin section mounted in araldite then 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.

1680 - Boygle, J. (2004) Towards a Holocene tephrochronology for Sweden: geochemistry and correlation with the North Atlantic tephra stratigraphy. Journal of Quaternary Science 19, 103-109..

2340 - Davies, S.M., Elmquist, M., Bergman, J., Wohlfarth, B. and Hammarlund, D. (2007) Cryptotephra sedimentation processes within two lacustrine sequences from west central Sweden. Holocene 17, ,319-330.

1301 - Larsen, G., Dugmore, A., J. and Newton, A.J. (1999) Geochemistry of historic silicic tephras in Iceland. The Holocene 9(4), 463-471..

987 - Oldfield, F., Thompson, R., Crooks, P.R.J., Gedye, S.J., Hall, V.A., Harkness, D.D., Housley, R.A., McCormac, F.G., Newton, A.J., Pilcher, J.R., Renberg, I. and Richardson, N. (1997) Radiocarbon dating of a recent high-latitute peat profile: Stor Amyran, northern Sweden. The Holocene 7(3), 283-290..

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.

4505 - Watson, E.J., Swindles, G.T., Lawson, I.T. and Savov, I.P. (2016) Do peatlands or lakes provide the most comprehensive distal tephra records?. Quaternary Science Reviews 139, 110-128.

4822 - Wulf, S. Dr�ger, N. Ott, F. Serb, J. Appelt, O. Gu�mundsd�ttir, E. van den Bogaard, C. Slowinski, M. Laszkiewicz, M. and Brauder, A. (2016) Holocene tephrostratigraphy of varved sediment records from Lakes Tiefer See (NE Germany) and Czechowskie (N Poland). Journal of Quaternary Science 32, 1-14.

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 07:34:31 local time, Edinburgh, Scotland, UK.