AVO Sample Information

Alaska Volcano Observatory

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SAMPLE INFO : UA2754

Sample ID:	UA2754
Station ID:	UA2754
Latitude:	60.5
Longitude:	-152.69998
Datum:	NAD83
Sample Type 1:	Tephra Fall

Text Description:
Blocky glass, some pumice, glass commonly contains phenocrysts and microlites. Major and minor minerals: plagioclase and amphibole. Trace minerals: clinopyroxene, orthopyroxene, Fe-ti oxides. Microlitic glass.

References:

Late Pleistocene and Holocene tephrostratigraphy of interior Alaska and Yukon: Key beds and chronologies over the past 30,000 years

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	Coeff	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
UA2754	60.5	-152.69998	Unknown, Unknown				1989-12-14	Seismic station RDN, Alaska. Station RDN is about 4 km to the north of Redoubt's summit. Location imprecisely georeferenced from http://www.avo.alaska.edu/images/image.php?id=16308.	Blocky glass, some pumice, glass commonly contains phenocrysts and microlites. Major and minor minerals: plagioclase and amphibole. Trace minerals: clinopyroxene, orthopyroxene, Fe-ti oxides. Microlitic glass.	UA2754	Tephra Fall	Cumulate		Glass		77.873497520909	0.29493129433105	12.245687438663	0.98320708467149	0.044454946208531	0.14697843633961	0.8938211886879	3.8365173213897	3.6101682299596		100	10771	EMP		0.98320708467149	Cl=0.09124410192178; H2O=2.2385916666667	EMP

SAMPLE LOCATION

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