AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > 91ARh-49

SAMPLE INFO : 91ARh-49
Sample ID:91ARh-49
Station ID:91ARh-49
Latitude:61.51
Longitude:-141.31
Datum:NAD83
Date Sampled:1991-00-00
Sample Type 1:Tephra Fall
Sample Type 2:Pumice
Text Description:
Other pumice; eastern lobe White River Ash.

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

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
91ARh-4961.51-141.31Richter, D. H.1991-00-00 1250 known unit; 187; White River AshChurchill, Mt803--Pumice sample distal to Mount Churchill - more than 10 miles to the northeast of Churchill's summitOther pumice; eastern lobe White River Ash.91ARh-49Tephra FallCumulateWhole Rock 67.8 0.4 16 2.69 0.06 1.23 3.9 4.25 2.51 0.14 99.22187NN1.121.66H2OP=0.73; H2OM=0.19; CO2=0.01RAPIDARb V=61, M=NN, R=187;Sr V=870, M=NN, R=187;Ba V=860, M=NN, R=187;Ce V=<30, M=NN, R=187;La V=<30, M=NN, R=187;Nb V=11, M=NN, R=187;Zr V=164, M=NN, R=187;Y V=25, M=NN, R=187;Cu V=27, M=NN, R=187;Ni V=<10, M=NN, R=187;Zn V=47, M=NN, R=187;Cr V=<10, M=NN, R=187;

SAMPLE LOCATION

Contact AVO Privacy Accessibility Information Quality FOIA
URL: avo.alaska.edu/samples/sample_info.php
Page modified: December 2, 2016 10:12
Contact Information: AVO Web Team

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