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SAMPLE INFO : 98JLOK3A

Sample ID:	98JLOK3A
Station ID:	98JLOK3A
Latitude:	53.4843
Longitude:	-168.07934
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 juvenile sample. Above sample 2b. Aphyric with lithic fragments. Top of Okmok II ignimbrite and continuation of section 2 from downstream about 0.25 to 0.5 miles. Dark scoria that contains small lithics embedded in its

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

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
98JLOK3A	53.4843	-168.07934	Larsen, J. F.	1998-01-01		Okmok	-100--	Location is higher up on the flanks near the caldera gates region	2050 BP Okmok II ash flow scoria juvenile sample. Above sample 2b. Aphyric with lithic fragments. Top of Okmok II ignimbrite and continuation of section 2 from downstream about 0.25 to 0.5 miles. Dark scoria that contains small lithics embedded in its	98JLOK3A	Pyroclastic Flow	Bomb	Hcfe2	Whole-rock	55.87737007	1.45678837	15.97800615	10.03012995	0.203909793	3.51008897	7.59842959	3.70283952	1.359398618	0.283038966	98.573	4113	XRF		10.03012995			2.171643485	32.2823434	437.6173136	345.458477	13.52651707	32.15859316	4.526939205	20.11149162	5.665369648	1.641832914	6.261338739	1.073311124	7.021238909	1.469234212	4.078048186	0.585709046	3.721975651	0.579777736	36.00664609	154	4.813260989	4.333341465	0.351208072	11.15056827	3.186574849	1.508648004	33.02267173	284	23			0	116	97	21					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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