AVO Sample Information

Alaska Volcano Observatory

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SAMPLE INFO : UA1786-P1

Sample ID:	UA1786-P1
Station ID:	07-LSP-3
Latitude:	60.01
Longitude:	-159.13998
Datum:	NAD83
Sample Type 1:	Tephra Fall

Text Description:
281 cm bottom depth in core (tube depth, not tephra-free depth); 2.5 cm thick; blocky pumice, generally crystal-rich, some bubble-
walled and tricuspate shards.

References:

Late Quaternary tephrostratigraphy, Ahklun Mountains, SW 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
07-LSP-3	60.01	-159.13998	Kaufman, D. S.		6021 ± 74 14C AMS; 7993; Age is approximate. Derived from age model in Kaufman and others (2012).			Lacustrine core from Lone Spruce Lake in the Ahklun Mountains, southwest Alaska. See Axford and Kaufman (2004) for detailed description.	281 cm bottom depth in core (tube depth, not tephra-free depth); 2.5 cm thick; blocky pumice, generally crystal-rich, some bubble- walled and tricuspate shards.	UA1786-P1	Tephra Fall	Cumulate		Glass		62.06	1.16	15.84	7.41	0.22	1.88	4.77	4.83	1.72		Reported standard deviation of zero. 100	7993	EMP		7.41	Cl=0.13; H2O=2.32	EMP

SAMPLE LOCATION

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