AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > 81AWs 276

SAMPLE INFO : 81AWs 276
Sample ID:81AWs 276
Station ID:81AWs 276
Latitude:57.2659378681
Longitude:-156.71373462715
Datum:NAD83
Date Sampled:1981-01-01
Sample Type 1:Lava
Sample Type 2:Flow
Field Lithology:Dacite
Text Description:
Medium-gray (N 5) plagioclase dacite (S; andesite G) porphyry flow. Major phases are clinopyroxene, plagioclase (An 67), orthopyroxene (?), and glass. Very fine grained to aphanitic glassy groundmass and weakly aligned phenocrysts

References:
Map and tables showing geochronology and whole-rock geochemistry of selected samples, Ugashik and part of Karluk quadrangles, Alaska

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDSample Type 1Sample Type 2geologic 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
81AWs 27657.2659378681-156.71373462715Wilson, F. H.1981-01-01 KialagvikUgashik B-3, west of Lone Hill near Mount KialagvikMedium-gray (N 5) plagioclase dacite (S; andesite G) porphyry flow. Major phases are clinopyroxene, plagioclase (An 67), orthopyroxene (?), and glass. Very fine grained to aphanitic glassy groundmass and weakly aligned phenocrysts81AWs 276LavaWhole-rock 60.5 0.72 17 6.15 0.13 3.1 6.56 3.03 1.75 0.13 100.234092XRF2.024.33CO2=0.11; H2OP=0.62; H2OM=0.23XRF

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

twitter @alaska_avo
facebook alaska.avo
email Receive volcano updates by email: USGS VNS