AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
You are here: Home > Samples > AC31

Sample ID:AC31
Station ID:AC31
Date Sampled:1997-01-01
Sample Type 1:Tephra Fall
Final Unit:(A1)
Text Description:
gray matrix, vapor-phase indurated, partly welded ignimbrite, talus block

The physical volcanology and petrology of the 3400 YBP caldera-forming eruption of Aniakchak Volcano, Alaska
Postglacial eruptive history, geochemistry, and recent seismicity of Aniakchak Volcano, Alaska

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
AC3156.8753991794-158.225396497Dreher, S. T.1997-01-01 AniakchakBirthday Creek passgray matrix, vapor-phase indurated, partly welded ignimbrite, talus blockAC31Tephra FallCumulate(A1)Whole-rock 60.76 1.24 16 7.51 0.19 2.18 5.42 4.05 2.28 0.38 98.5658XRF1.296.23 2.088938638 62.0498486 712.4610342 320.0399544 24.02306885 52.53440183 7.115279315 30.71082043 7.634253005 2.106638958 8.048142517 1.342838208 8.11397224 1.690240633 4.780500876 0.671819462 4.287260892 0.683721489 43.89179397 217.8826452 14.0342815 6.040706122 0.926859936 6.297188445 5.596098655 2.440073954 22.79771193 658ICPMS


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.