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SAMPLE INFO : Riehle_1987_AN_4

Sample ID:	Riehle_1987_AN_4
Station ID:	Riehle_1987_AN_4
Latitude:	61.2
Longitude:	-158.5
Datum:	NAD83
Sample Type 1:	Tephra Fall

Text Description:
2-5 cm thick deposit. Clear to pale gray glass and fibrous white pumice; trace pale grey to medium brown scoriaceous glass; rare fine black fragments may be black glass shards; estimated 98% glass, remainder is plagioclase and pyroxene>amphibole>opaquesa=apatite=-zircon (?).

References:

The Aniakchak tephra deposit, a late Holocene marker horizon in western Alaska

GEOCHEM DATA

StationID	Latitude	Longitude	Geologist	DateVisited	Age Info	Volcano	Eruption	Location Description	Text Description	Sample ID	Sample Type 1	Sample Type 2	Final Unit	Material	Coeff	SiO2	TiO2	Al2O3	FeOT	MnO	MgO	CaO	Na2O	K2O	P2O5	Total-majors	REF majors	METH majors	Fe2O3/Fe203T orig	FeO/FeOT orig	Volatiles csv	METH volatiles	Cs	Rb	Ba	Sr	La	Ce	Pr	Nd	Sm	Eu	Gd	Tb	Dy	Ho	Er	Tm	Yb	Lu	Y	Zr	Nb	Hf	Ta	Pb	Th	U	Sc	V	Cr	Fe	Co	Ni	Cu	Zn	Ga	Mo	As	Na	K	Ref trace1	METH trace1	Rb	Ba	Sr	La	Ce	Nd	Sm	Eu	Gd	Dy	Er	Yb	Lu	Y	Zr	Nb	Pb	Th	U	Sc	Ti	V	Cr	Ni	Cu	Zn	Ga	Ref trace2	METH trace2	Light csv	Halogen csv	other major csv	other lile csv	other ree csv	other hfse csv	other hpe csv	other tm csv	other misc csv
Riehle_1987_AN_4	61.2	-158.5	Riehle, J. R.		3684 ± 98 14C; 1724; Age is approximate. Lab ID: WSU 2759. Sample of charred wood which may have been mixed by cryoturbation from an overlying horizon.	Aniakchak	-1480--	Imprecise georeference from Figure 1 in cit1724. East of Bethel in southwest Alaska.	2-5 cm thick deposit. Clear to pale gray glass and fibrous white pumice; trace pale grey to medium brown scoriaceous glass; rare fine black fragments may be black glass shards; estimated 98% glass, remainder is plagioclase and pyroxene>amphibole>opaquesa=apatite=-zircon (?).	Riehle_1987_AN_4	Tephra Fall	Cumulate		Glass		71	0.59	15.08	2.59	0.13	0.48	1.72	5.13	3.02		98.2	1724	EMP		2.59

SAMPLE LOCATION

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