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SAMPLE INFO : 95SJP9B

Sample ID:	95SJP9B
Station ID:	95SJP9B
Latitude:	62.38490081
Longitude:	-143.0260225
Datum:	NAD83
Date Sampled:	1995-00-00
Sample Type 1:	Tephra Fall
Sample Type 2:	Agglutinate
Field Lithology:	Andesite

Text Description:
Approximately 40’ of agglutinated material at Site 8. Sample is from a vesicular block. Fine grained, vesicular, hypocrystalline, intersertal, seriate porphyritic with a matrix of brown glass and plagioclase. Plagioclase phenocrysts (An38 - An61) are up to 1.63 mm and often have normal zoning, and occasionally have oscillatory zoning, sieve textured zones, and/or resorption embayments. Olivine phenocrysts are up to 0.8 mm with alteration along the rim and brown melt inclusions. Orthopyroxene phenocrysts are up to 0.55 mm, one grain has a clinopyroxene rim. Clinopyroxene phenocrysts are up to 0.15 mm. 56.8% matrix, 20.5% plagioclase, 1.1% olivine, 0.3% clinopyroxene, 0.7% orthopyroxene, 20.6% vesicles.

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
95SJP9B	62.38490081	-143.0260225	Preece, S. J.	1995-00-00		Skookum Creek		Nabesna B-5; T7N, R13E, S16	Approximately 40’ of agglutinated material at Site 8. Sample is from a vesicular block. Fine grained, vesicular, hypocrystalline, intersertal, seriate porphyritic with a matrix of brown glass and plagioclase. Plagioclase phenocrysts (An38 - An61) are up to 1.63 mm and often have normal zoning, and occasionally have oscillatory zoning, sieve textured zones, and/or resorption embayments. Olivine phenocrysts are up to 0.8 mm with alteration along the rim and brown melt inclusions. Orthopyroxene phenocrysts are up to 0.55 mm, one grain has a clinopyroxene rim. Clinopyroxene phenocrysts are up to 0.15 mm. 56.8% matrix, 20.5% plagioclase, 1.1% olivine, 0.3% clinopyroxene, 0.7% orthopyroxene, 20.6% vesicles.	95SJP9B	Tephra Fall	Cumulate		Whole-rock	57.2	0.99	17.9	6.48	0.11	4.16	7.21	3.84	1.14	0.19	100.1	55	DCP	7.16	6.48	LOI=0.76	DCP		21.4	476	532															21	124	3.8				2.5	1.7	20	176	20			37	32	67	17.7					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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