AVO Sample Information

Alaska Volcano Observatory

You are here: Home > Samples > 98JLOK4G

SAMPLE INFO : 98JLOK4G

Sample ID:	98JLOK4G
Station ID:	98JLOK4
Latitude:	53.55638
Longitude:	-168.08068
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/ignimbrite. Sample collected from the base of '4G' sequence in lower part of the ignimbrite. No lithics and aphyric.

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
98JLOK4	53.55638	-168.08068	Larsen, J. F.	1998-01-01		Okmok	-100--	Outcrop in the sea cliff along the eastern margin of Ashishik point	2050 BP Okmok II ash flow/ignimbrite. Sample collected from the base of '4G' sequence in lower part of the ignimbrite. No lithics and aphyric.	98JLOK4G	Pyroclastic Flow	Bomb	Hcfe2	Whole-rock	55.68384379	1.479703452	15.88073246	10.16144061	0.20661157	3.524550316	7.687165775	3.757494733	1.336898396	0.281558905	98.736	4113	XRF		10.16144061			2.154610759	32.44934933	434.1641766	341.5869647	13.52127975	31.5946636	4.424490759	20.21193955	5.67055287	1.652326302	6.345787358	1.067718482	7.042965613	1.469912659	3.977601235	0.598329628	3.777497289	0.590820703	36.5555037	151	4.735563363	4.3993231	0.345425779	11.34103957	3.107291845	1.526325065	34.36960107	300	23			0	116	95	19					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

Contact AVO Privacy Accessibility Information Quality FOIA

URL: avo.alaska.edu/samples/sample_info.php
Page modified: August 1, 2017 15:29
Contact Information: AVO Web Team

@alaska_avo

alaska.avo

Receive volcano updates by email: USGS VNS

This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G22AC00137

Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.