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SAMPLE INFO : 98JLOK1A

Sample ID:	98JLOK1A
Station ID:	98JLOK1
Latitude:	53.4735
Longitude:	-167.91206
Datum:	NAD83
Date Sampled:	1998-01-01
Sample Type 1:	Pyroclastic Flow
Sample Type 2:	Scoria
Final Unit:	Hcfe2

Text Description:
2050 BP Okmok II ash flow scoria sample which is very similar in stratigraphic position to 98JLOK1A. Sample collected from near top of the ignimbrite deposits. Phenocryst-poor scoria with minor included lithic fragments

References:

Magmatic differentiation at an island-arc caldera: a stratigraphically constrained multi-isotope study of Okmok Volcano, Aleutian Islands, Alaska

Late Pleistocene and Holocene caldera-forming eruptions of Okmok Caldera, Aleutian Islands, Alaska

Electron probe microanalytical data of minerals and glass from rock samples from Okmok volcano, 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	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
98JLOK1	53.4735	-167.91206	Larsen, J. F.	1998-01-01		Okmok	-100--	Location is along the old road leading from the ranch house to Crater Creek. This location is in the stream drainage to the west of Cape Idak	2050 BP Okmok II ash flow scoria sample which is very similar in stratigraphic position to 98JLOK1A. Sample collected from near top of the ignimbrite deposits. Phenocryst-poor scoria with minor included lithic fragments	98JLOK1A	Pyroclastic Flow	Bomb	Hcfe2	Whole-rock	56.81598813	1.465104701	15.91091513	9.59633419	0.207268626	3.159830527	7.142639424	3.921847536	1.473232883	0.306838849	98.423	4113	XRF		9.59633419			2.348592869	34.64739971	470.6162042	341.8889517	14.64365816	34.28634909	4.850265792	21.8258746	5.937669046	1.693654452	6.429604261	1.13218234	7.312316962	1.542292558	4.242467885	0.618656019	3.940643318	0.617653918	39.53702538	164	5.181507461	4.800401732	0.367287516	8.335351946	3.460348704	1.668673264	32.56296347	264	16			0	90	96	18					4113	ICPMS: Cs, Rb, Ba, Sr, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Nb, Hf, Ta, Pb, Th, U, Sc; XRF: Zr, V, Cr, Cu, Zn, Ga;

SAMPLE LOCATION

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