AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
You are here: Home > Samples > 91ARh-47

Sample ID:91ARh-47
Station ID:91ARh-47
Date Sampled:1991-00-00
Sample Type 1:Tephra Fall
Sample Type 2:Pumice
Text Description:
Mound pumice from pumice mound of Lerbekmo and Campbell (1969). White River Ash.

Mount Churchill, Alaska: source of the late Holocene White River Ash

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
91ARh-4761.446-141.46498Richter, D. H.1991-00-00 1250 known unit; 187; White River AshChurchill, Mt803--"Mound" of Leberkmo and Campbell (1969), northeast of the summit of ChurchillMound pumice from pumice mound of Lerbekmo and Campbell (1969). White River Ash.91ARh-47Tephra FallCumulateWhole-rock 67.7 0.43 16 2.74 0.06 1.3 3.98 4.29 2.5 0.15 99.29187NN1.251.6H2OP=0.67; H2OM=0.22; CO2=0.01RAPIDA 64 890 890< 30 32 23 170< 10 < 10 < 10 23 50 187NN


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.