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SAMPLE INFO : UA454
Sample ID:UA454
Station ID:UA454
Latitude:61.768
Longitude:-141.57508
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
60-cm-thick tephra bed; 11C is from the top 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
UA45461.768-141.57508Preece, 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, Alaska60-cm-thick tephra bed; 11C is from the top of the deposit. Identified as WRA-N by Lerbekmo et al. (1975); composition of ilmenites in this sample reported in Denton and Karlen (1977).UA454Tephra FallCumulateGlass 76.33 0.21 13.21 1.3 0.05 0.27 1.15 3.83 3.39 9121EMP1.3Cl=0.3; H2O=2.42EMP 1.23 65.2 1249 503 29.4 45.3 5.37 20.2 3.16 0.79 3.1 0.29 2.01 0.42 1.42 0.23 1.3 0.21 10.87 208 9.05 6.23 0.92 23.8 8.24 3.16 9121ICPMS

SAMPLE LOCATION

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