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SAMPLE INFO : UA455
Sample ID:UA455
Station ID:UA455
Latitude:61.6807
Longitude:-141.77148
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
95-cm-thick tephra bed; 10A is from the base 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
UA45561.6807-141.77148Preece, 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, Alaska95-cm-thick tephra bed; 10A is from the base of the deposit. Identified as WRA-N by Lerbekmo et al. (1975); composition of ilmenites in this sample reported in Denton and Karlen (1977).UA455Tephra FallCumulateGlass 72.52 0.25 14.99 1.74 0.06 0.46 2.22 4.32 3.08 9121EMP1.74Cl=0.35; H2O=2.26EMP

SAMPLE LOCATION

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