AVO Sample Information

Alaska Volcano Observatory

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SAMPLE INFO : 91WR-1c

Sample ID:	91WR-1c
Station ID:	91WR-1
Latitude:	61.4448
Longitude:	-141.46138
Datum:	NAD83
Sample Type 1:	Tephra Fall

Text Description:
Pumice lapilli and blocks to 30 cm, mean block size 5�7 cm, unstratified deposit on bedrock bench. Both light and dark gray blocks. Identified as WRA-E by Lerbekmo et al. (1975) and Richter et al. (1995).

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
91WR-1	61.4448	-141.46138	Preece, S. J.				803--	White River Ash eastern lobe pumice mound originally described in Lerbekmo and Campbell (1969); bedrock bench overlain by 30-40 m of homogenous tephra; Klutlan Glacier area, Alaska		91WR-1c	Tephra Fall	Cumulate		Glass																			1.29	59.5	1059	458	27	41.7	4.63	17.4	2.77	0.41	2.73	0.22	1.59	0.21	0.71	0.13	0.79	0.13	6.87	141	7.24	4.27	0.64	27.2	10.03	3.37														9121	ICPMS

SAMPLE LOCATION

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