AVO Sample Information

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SAMPLE INFO : 93SJP40

Sample ID:	93SJP40
Station ID:	93SJP40
Latitude:	62.44490517
Longitude:	-143.1235258
Datum:	NAD83
Date Sampled:	1993-00-00
Sample Type 1:	Lava
Sample Type 2:	Dike
Field Lithology:	Andesite

Text Description:
Dike, trending ~N10°W, cutting through silicic material at Site 5. Fine-grained, hypocrystalline, intersertal, intergranular, seriate porphyritic with a matrix of mesostasis, brown glass, opaque, plagioclase and clinopyroxene. Plagioclase phenocrysts (An43 - An57 ,one grain An26) are up to 1.75 mm and complex zoning with prussian blue extinction is common, some have sieve textured intermediate zones, and there are occasional resorption embayments. Orthopyroxene phenocrysts are up to 0.9 mm with occasional clinopyroxene rims. Clinopyroxene phenocrysts are up to 1.8 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
93SJP40	62.44490517	-143.1235258	Preece, S. J.	1993-00-00		Skookum Creek		Nabesna B-5; T8N, R12E, S26	Dike, trending ~N10°W, cutting through silicic material at Site 5. Fine-grained, hypocrystalline, intersertal, intergranular, seriate porphyritic with a matrix of mesostasis, brown glass, opaque, plagioclase and clinopyroxene. Plagioclase phenocrysts (An43 - An57 ,one grain An26) are up to 1.75 mm and complex zoning with prussian blue extinction is common, some have sieve textured intermediate zones, and there are occasional resorption embayments. Orthopyroxene phenocrysts are up to 0.9 mm with occasional clinopyroxene rims. Clinopyroxene phenocrysts are up to 1.8 mm.	93SJP40	Lava			Whole-rock	58.08	1.1	17.3	6.41	0.13	4.1	6.86	4.2	1.44	0.23	100.12	55	DCP	7.08	6.41	LOI=0.14	DCP		24.7	497	542															23	194	6.7				3.4	2	18.5	171	72			38	48	69	17.8					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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