AVO Sample Information

Alaska Volcano Observatory

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SAMPLE INFO : UA566

Sample ID:	UA566
Station ID:	UA566
Latitude:	61.6696
Longitude:	-139.75998
Datum:	NAD83
Sample Type 1:	Tephra Fall

Text Description:
Lowest-most 3.5-cm-thick tephra bed; overlies 1 m+ of peat; see Figure 8. Identified as WRA-N by Lerbekmo et al. (1975); composition of ilmenites in this sample reported in Lerbekmo et al. (1975).

References:

Chemical complexity and source of the White River Ash, Alaska and Yukon

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
UA566	61.6696	-139.75998	Preece, S. J.		1900 known unit; 1470; Age is approximate. Mean age of 11 radiocarbon samples from below the northern lobe of White River Ash, reported by Lerbekmo and others (1975).		50--	Near intersection of Donjek River and the Alcan Highway, Cananda	Lowest-most 3.5-cm-thick tephra bed; overlies 1 m+ of peat; see Figure 8. Identified as WRA-N by Lerbekmo et al. (1975); composition of ilmenites in this sample reported in Lerbekmo et al. (1975).	UA566	Tephra Fall	Cumulate		Glass		74.51	0.22	14.18	1.55	0.06	0.34	1.53	3.99	3.29			9121	EMP		1.55	Cl=0.34; H2O=2.43	EMP	1.27	60.6	1166	545	28	44.2	5.35	19.5	3.82	0.76	3.02	0.26	2.03	0.41	1.06	0.21	1.28	0.23	11.26	211	8.57	6.93	0.74	21.9	7.4	2.78														9121	ICPMS

SAMPLE LOCATION

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