AVO Sample Information

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SAMPLE INFO : 72-ARh-338

Sample ID:	72-ARh-338
Station ID:	72-ARh-338
Latitude:	62.2254
Longitude:	-143.44078
Datum:	NAD83
Date Sampled:	1972-00-00
Sample Type 1:	Lava
Sample Type 2:	Dome
Field Lithology:	Rhyolite

Text Description:
Rhyolite dome. Light-colored dome with rubble carapace. Rocks are light gray to buff and fine-grained, and contain sparse altered hornblende and rare hypersthene phenocrysts in a dense feldspar-rich hyalopilitic and pilotaxitic matrix.

References:

Geologic map of the Nabesna A-5 quadrangle, 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
72-ARh-338	62.2254	-143.44078	Richter, D. H.	1972-00-00				Nabesna A-5 quadrangle; Wrangell Lava; Wrangell Volcanic Field. lat long points derived from paper map.	Rhyolite dome. Light-colored dome with rubble carapace. Rocks are light gray to buff and fine-grained, and contain sparse altered hornblende and rare hypersthene phenocrysts in a dense feldspar-rich hyalopilitic and pilotaxitic matrix.	72-ARh-338	Lava			Whole-rock	71.4	0.17	15.9	1.64	0.02	0.62	2	4.9	2	0.12	100.07	4537	RAPIDA	1.3	0.44	H2O=1.2	RAPIDA

SAMPLE LOCATION

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