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SAMPLE INFO : UA566
Sample ID:UA566
Station ID:UA566
Latitude:61.6696
Longitude:-139.75998
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
Lowest-most 3.5-cm-thick tephra bed; overlies 1 m+ of peat; see Figure 8. Identified as WRA-N by Lerbekmo et al. (1975); composition of ilmenites in this sample reported in Lerbekmo et al. (1975).

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
UA56661.6696-139.75998Preece, 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--Near intersection of Donjek River and the Alcan Highway, CanandaLowest-most 3.5-cm-thick tephra bed; overlies 1 m+ of peat; see Figure 8. Identified as WRA-N by Lerbekmo et al. (1975); composition of ilmenites in this sample reported in Lerbekmo et al. (1975).UA566Tephra FallCumulateGlass 74.51 0.22 14.18 1.55 0.06 0.34 1.53 3.99 3.29 9121EMP1.55Cl=0.34; H2O=2.43EMP 1.27 60.6 1166 545 28 44.2 5.35 19.5 3.82 0.76 3.02 0.26 2.03 0.41 1.06 0.21 1.28 0.23 11.26 211 8.57 6.93 0.74 21.9 7.4 2.78 9121ICPMS

SAMPLE LOCATION

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