AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
You are here: Home > Samples > 93SJP15

Sample ID:93SJP15
Station ID:93SJP15
Date Sampled:1993-00-00
Sample Type 1:Lava
Sample Type 2:Dome
Field Lithology:Rhyolite
Text Description:
Platy talus ~150 below the outcrop of Dome C at Finger Creek. Fine-grained, hypocrystalline, weakly pilotaxitic, intersertal, porphyritic with a matrix of brown glass, feldspar, opaque and zircon?. Plagioclase phenocrysts (An40, An62) are up to 1.1 mm and zoned. Opaque phenocrysts are up to 0.35 mm. 96.0% matrix, 2.8% plagioclase, 1.2% vesicles.

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

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
93SJP1562.41406965-143.0976905Preece, S. J.1993-00-00 Skookum CreekNabesna B-5; T7N, R12E, S193SJP15LavaWhole-rock 71.2 0.23 15.95 1.86 0.05 0.25 1.86 5.04 2.52 0.13 100.0255DCP2.071.86LOI=0.87DCP 43 867 287 22.9 49.6 18.5 3.1 0.9 2.7 2.7 1.7 2 0.3 17 270 8.6 2.6 2.8 1.4 1bdl 1 2 56 16.2 55XRF: Rb, Zr, Nb, Th, U, Ni, Ga; DCP: Ba, La, Ce, Nd, Sm, Eu, Gd, Dy, Er, Yb, Lu, Sc, V; MX: Sr, Y, Cu, Zn;


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.