AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
You are here: Home > Samples > NA92-37D

Sample ID:NA92-37D
Station ID:NA92-37
Sample Type 1:Tephra Fall
Sample Type 2:Agglutinate
Final Unit:Brown Pumice
Text Description:
Brown agglutinate, top of West Dome

Postglacial eruptive history, geochemistry, and recent seismicity of Aniakchak Volcano, Alaska
The ~400 yr b.p. eruption of Half-Cone, a post-caldera composite cone within Aniakchak Caldera, Alaska Peninsula

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
NA92-3756.8949-158.2002Neal, C. A. AniakchakTop of West DomeBrown agglutinate, top of West DomeNA92-37DTephra FallCumulateBrown Pumice Whole-rock 59.26665457 1.137532523 16.5285089 7.714648757 0.188580303 2.702648192 6.232226054 4.275831468 1.643774833 0.309594401 99.1629191XRF7.714648757 1.66 38.5 535.4939839 0 16.64924396 35.01644436 4.850969144 21.6301 5.46 1.723103462 5.879779618 0.97 5.97 1.25 3.373039797 0.51 3.17 0.5 31.26874585 0 8.281722526 4.034439529 0.574977851 6.36 3.570736608 1.524492588 0 160 7 1 14 77 20 9191ICPMS: Cs, Rb, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Nb, Hf, Ta, Pb, Th, U; XRF: V, Cr, Ni, Cu, Zn, Ga;


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

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.