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Alaska Volcano Observatory

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SAMPLE INFO : 95-ASL-21

Sample ID:	95-ASL-21
Station ID:	95-ASL-21
Latitude:	62.13
Longitude:	-143.12998
Datum:	NAD83
Sample Type 1:	Tephra Fall
Sample Type 2:	Scoria

Text Description:
Moraine on the west side of Mt. Gordon. Three >3" diameter pieces of scoria were extracted from a boulder of the tuff sampled in #16A and B. 1-2 mm acicular plagioclase phenocrysts are visible in a black vesicular groundmass. Alteration is visible around the edges of each sample.

References:

A reconnaissance study of mafic to intermediate intra-arc volcanism in the western Wrangell Volcanic Field, 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	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
95-ASL-21	62.13	-143.12998	Lunt, A. S.			Gordon		Mount Gordon. NW 1/4, SE 1/4, Sec 13, T4N, R12E, Nabesna A-5 quad, Alaska	Moraine on the west side of Mt. Gordon. Three >3" diameter pieces of scoria were extracted from a boulder of the tuff sampled in #16A and B. 1-2 mm acicular plagioclase phenocrysts are visible in a black vesicular groundmass. Alteration is visible around the edges of each sample.	95-ASL-21	Tephra Fall	Cumulate		Whole-rock	51.78	1.37	16.5	8.4	0.15	7.75	8.78	3.53	0.78	0.32	100.63	6122	DCP	9.34	8.4	LOI=0.65	DCP		9	261	518	18	38		18.1	4	1.34	4.3		4.8		2.4		2.3	0.3	25	152	9						26	192	288			121	43	79	18					6122	DCP

SAMPLE LOCATION

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Page modified: August 1, 2017 15:29
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