AVO Sample Information

Alaska Volcano Observatory

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SAMPLE INFO : 84Au-100

Sample ID:	84Au-100
Station ID:	84Au-100
Latitude:	59.370458
Longitude:	-153.436559
Datum:	NAD83
Date Sampled:	1984-01-01
Sample Type 1:	Lava
Sample Type 2:	Flow

Text Description:
Xenolith and host in lava flow (longest flow). Plagioclase, hypersthene, augite, olivine, and Fe-Ti oxide phenocrysts in a vesicular groundmass of plagioclase microlites, Fe-Ti oxides, pyroxenes, and brown interstitial glass. Olivine is subhedral to skeletal in form and is surrounded by a faint dusty zone of alteration. Xenolith: Plagioclase, hypersthene, augite, and Fe-Ti oxide phenocrysts in a holohyaline groundmass of interstitial brown glass. Both host and xenolith are very vesicular. The boundary between xenolith and host is transitional with pieces of the xenolith being incorporated into the host.

References:

Petrology, geochemistry, and the evolution of magmas from Augustine Volcano, 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
84Au-100	59.370458	-153.436559	Daley, E. E.	1984-01-01		Augustine			Xenolith and host in lava flow (longest flow). Plagioclase, hypersthene, augite, olivine, and Fe-Ti oxide phenocrysts in a vesicular groundmass of plagioclase microlites, Fe-Ti oxides, pyroxenes, and brown interstitial glass. Olivine is subhedral to skeletal in form and is surrounded by a faint dusty zone of alteration. Xenolith: Plagioclase, hypersthene, augite, and Fe-Ti oxide phenocrysts in a holohyaline groundmass of interstitial brown glass. Both host and xenolith are very vesicular. The boundary between xenolith and host is transitional with pieces of the xenolith being incorporated into the host.	84Au-100	Lava			Whole-rock	57.05	0.69	18	6.48	0.14	5.05	8.46	3.3	0.7	0.09	99.6	657	XRF	7.12	6.48				14		323															20	88	5																			657	XRF

SAMPLE LOCATION

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