AVO Sample Information

Alaska Volcano Observatory

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SAMPLE INFO : UA1046

Sample ID:	UA1046
Station ID:	UA1046
Latitude:	64.424
Longitude:	-140.531
Datum:	NAD83
Sample Type 1:	Tephra Fall

Text Description:
Pumice. Major and minor minerals: plagioclase, amphibole, Fe-Ti oxides. Trace minerals: apatite, orthopyroxene.

References:

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

Tephrochronology of middle to late Pleistocene loess in east-central 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	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
UA1046	64.424	-140.531	Froese, D. G.		1705 ± 100 14C; 10771; Age is approximate. Age based on radiocarbon age models reported in Davies and others (2016). Age reported as a range (1605-1805 cal BP) and for entry into the database, a value and error were calculated from the reported range.		50--	Confluence of 40 Mile and Yukon Rivers, west-central Yukon Territory.	Pumice. Major and minor minerals: plagioclase, amphibole, Fe-Ti oxides. Trace minerals: apatite, orthopyroxene.	UA1046	Tephra Fall	Cumulate		Glass		73.021195667494	0.22062562094652	14.834468781676	1.7208198434204	0.057122907565592	0.3698345728894	2.1650254293879	4.1861545520933	3.0904702390407		100	10771	EMP		1.7208198434204	Cl=0.33428238548616; H2O=2.1724701447182	EMP

SAMPLE LOCATION

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