AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > 94SJP35

SAMPLE INFO : 94SJP35
Sample ID:94SJP35
Station ID:94SJP35
Latitude:62.42629281
Longitude:-143.1238022
Datum:NAD83
Date Sampled:1994-00-00
Sample Type 1:Lava
Sample Type 2:Flow
Field Lithology:Andesite
Text Description:
A 30-40 thick massive flow at Site 3. Fine-grained, holocrystalline, intergranular, seriate porphyritic with a matrix of mesostasis, opaque, alteration and calcite. Plagioclase phenocrysts (An36 - An57) are up to 0.9 mm, and a few have thin sieve textured intermediate zones, some have complex zoning, and a few have orthopyroxene inclusions. Orthopyroxene phenocrysts are up to 0.9 mm and have clinopyroxene rims, there are occasional opaque inclusions, and a few are sieve textured. Clinopyroxene phenocrysts are up to 0.3 mm .

References:
Geochemical variation in the less than 5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDSample Type 1Sample Type 2Final UnitMaterialSiO2TiO2Al2O3FeOTMnOMgOCaONa2OK2OP2O5Total-majorsREF majorsMETH majorsFe2O3/Fe203T origFeO/FeOT origVolatiles csvMETH volatilesCsRbBaSrLaCePrNdSmEuGdTbDyHoErTmYbLuYZrNbHfTaPbThUScVCrFeCoNiCuZnGaMoAsNaKRef trace1METH trace1RbBaSrLaCeNdSmEuGdDyErYbLuYZrNbPbThUScTiVCrNiCuZnGaRef trace2METH trace2Light csvHalogen csvother major csvother lile csvother ree csvother hfse csvother hpe csvother tm csvother misc csv
94SJP3562.42629281-143.1238022Preece, S. J.1994-00-00 Skookum CreekNabesna B-5; T8N, R12E, S3594SJP35LavaWhole-rock 57.42 0.89 17.42 5.68 0.1 5.08 7.45 3.67 1.22 0.22 99.455DCP6.235.68LOI=0.82DCP 22.8 487 544 18 125 4.8 3 1.8 20.2 161 113 72 52 60 16.9 55XRF: Rb, Zr, Nb, Th, U, Ni, Ga; DCP: Ba, Sc, V; MX: Sr, Y, Cr, Cu, Zn;

SAMPLE LOCATION

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

twitter @alaska_avo
facebook alaska.avo
email 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.