AVO Sample Information

Alaska Volcano Observatory

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SAMPLE INFO : 84Au-20

Sample ID:	84Au-20
Station ID:	84Au-20
Latitude:	59.358514
Longitude:	-153.431003
Datum:	NAD83
Date Sampled:	1984-01-01
Sample Type 1:	Lava
Sample Type 2:	Dome

Text Description:
Dome C (1964) sample. Plagioclase, hypersthene, augite, and trace olivine and hornblende phenocrysts in a holocrystalline groundmass of plagioclase microlites, pyroxene, and Fe-Ti oxide. Olivine sometimes shows a faint reaction rim or occurs in the center of Fe-Ti oxide+plagioclase+pyroxene intergrowths. Hypersthene is slightly oxidized along fractures.

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-20	59.358514	-153.431003	Daley, E. E.	1984-01-01		Augustine	1963-10-11		Dome C (1964) sample. Plagioclase, hypersthene, augite, and trace olivine and hornblende phenocrysts in a holocrystalline groundmass of plagioclase microlites, pyroxene, and Fe-Ti oxide. Olivine sometimes shows a faint reaction rim or occurs in the center of Fe-Ti oxide+plagioclase+pyroxene intergrowths. Hypersthene is slightly oxidized along fractures.	84Au-20	Lava			Whole-rock	60.37	0.62	17.57	5.59	0.14	3.83	7.2	3.63	0.91	0.1	100.26	657	XRF	6.19	5.59				20		320															21	104	5																			657	XRF

SAMPLE LOCATION

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