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SAMPLE INFO : UT1730

Sample ID:	UT1730
Station ID:	Eva_II
Latitude:	64.8516
Longitude:	-148.015
Datum:	NAD83
Sample Type 1:	Tephra Fall

Text Description:
18 cm thick. Pods of tephra within Upper Gold Hill Loess about 1.5 m below Eva Forest Bed (Preece et al., 1999).

References:

Late Pliocene Dawson Cut forest bed and new tephrochronological findings in the Gold Hill Loess, east-central Alaska

A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory

Old Crow tephra across eastern Beringia: a single cataclysmic eruption at the close of Marine Isotope Stage 6

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
Eva_II	64.8516	-148.015	Preece, S. J.		124000 ± 10000 known unit; 10271; Age is approximate. Revised glass fission-track age with re-calibration; four Old Crow Tephra sample glass fission-track ages (UT1434, UT613, UT501, UT613).			Exposure on the west side of EVA Creek mining cut, Ester, Alaska; Gold Hill Loess overlies the Dawson Cut Formation and is unconformably covered by the interglacial Eva Forest Bed. Location coordinates from Preece et al. (2011); datum not specified, assumed to be NAD83.	18 cm thick. Pods of tephra within Upper Gold Hill Loess about 1.5 m below Eva Forest Bed (Preece et al., 1999).	UT1730	Tephra Fall	Cumulate		Glass																			4.18	105	898	143	24.3	53	5.76	23.8	5.64	0.89	4.81	0.9	5.41	1.27	3.46	0.56	3.65	0.57	35.6	259		6.91			9.11	4.07	6.1													10271	ICPMS

SAMPLE LOCATION

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