AVO Sample Information

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SAMPLE INFO : 94SJP56

Sample ID:	94SJP56
Station ID:	94SJP56
Latitude:	62.42823739
Longitude:	-143.1307466
Datum:	NAD83
Date Sampled:	1994-00-00
Sample Type 1:	Lava
Sample Type 2:	Flow
Field Lithology:	Andesite

Text Description:
A flow with a huge massive zone above a distinct 25’ thick reddish rubble zone which pinches and thickens at Site 3. Fine-grained, holocrystalline, intergranular, seriate porphyritic with a matrix of mesostasis, opaque, green alteration and calcite. Plagioclase phenocrysts (An36 - An59) are up to 1.7 mm and some have complex zoning, and a few have sieve textured cores or intermediate zones. Orthopyroxene phenocrysts are up to 0.7 mm and some have clinopyroxene rims, grains frequently contain altered patches. Clinopyroxene phenocrysts are up to 0.1 mm.

References:

Geochemical variation in the less than 5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex

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
94SJP56	62.42823739	-143.1307466	Preece, S. J.	1994-00-00		Skookum Creek		Nabesna B-5; T8N, R12E, S35	A flow with a huge massive zone above a distinct 25’ thick reddish rubble zone which pinches and thickens at Site 3. Fine-grained, holocrystalline, intergranular, seriate porphyritic with a matrix of mesostasis, opaque, green alteration and calcite. Plagioclase phenocrysts (An36 - An59) are up to 1.7 mm and some have complex zoning, and a few have sieve textured cores or intermediate zones. Orthopyroxene phenocrysts are up to 0.7 mm and some have clinopyroxene rims, grains frequently contain altered patches. Clinopyroxene phenocrysts are up to 0.1 mm.	94SJP56	Lava			Whole-rock	57.62	0.9	17.2	5.89	0.1	5.27	7.32	3.7	1.24	0.18	99.7	55	DCP	6.48	5.89	LOI=0.56	DCP		22.8	479	532															18	129	4.8				1.2	2.3	20.4	152	121			82	47	61	16.9					55	XRF: Rb, Zr, Nb, Th, U, Ni, Ga; DCP: Ba, Sc, V; MX: Sr, Y, Cr, Cu, Zn;

SAMPLE LOCATION

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