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SAMPLE INFO : UA453
Sample ID:UA453
Station ID:UA453
Latitude:61.768
Longitude:-141.57508
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
60-cm-thick tephra bed; 11B is from the middle of the deposit. Identified as WRA-N by Lerbekmo et al. (1975); composition of ilmenites in this sample reported in Denton and Karlen (1977).

References:
Chemical complexity and source of the White River Ash, Alaska and Yukon

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDSample Type 1Sample Type 2Final UnitMaterialCoeffSiO2TiO2Al2O3FeOTMnOMgOCaONa2OK2OP2O5Total-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
UA45361.768-141.57508Preece, S. J. 1900 known unit; 1470; Age is approximate. Mean age of 11 radiocarbon samples from below the northern lobe of White River Ash, reported by Lerbekmo and others (1975).50--Russell Glacier/White River area, Alaska 60-cm-thick tephra bed; 11B is from the middle of the deposit. Identified as WRA-N by Lerbekmo et al. (1975); composition of ilmenites in this sample reported in Denton and Karlen (1977).UA453Tephra FallCumulateGlass 73.33 0.2 14.72 1.55 0.06 0.38 1.98 4.37 3.1 9121EMP1.55Cl=0.32; H2O=2.2EMP 1.15 56.4 1148 612 27.9 44.2 5.06 17.8 3.23 0.82 2.52 0.48 1.95 0.33 1.08 0.2 1.25 0.29 10.28 207 7.85 6.17 0.86 17.8 6.79 2.65 9121ICPMS

SAMPLE LOCATION

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