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SAMPLE INFO : UA563
Sample ID:UA563
Station ID:UA563
Latitude:61.6696
Longitude:-139.75998
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
Middle 30-cm-thick tephra bed separated from WRA-N by 30 cm of peat; 12 D is from top of the tephra bed; see Figure 8. Identifi ed as WRA-E 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
UA56361.6696-139.75998Preece, S. J. 1147 known unit; 2877; Age is approximate. Mean age of east lobe of White River Ash, determined from four 14C ages on stumps buried in tephra. Reported by Clague and others (1995).803--Near intersection of Donjek River and the Alcan Highway, CanandaMiddle 30-cm-thick tephra bed separated from WRA-N by 30 cm of peat; 12 D is from top of the tephra bed; see Figure 8. Identifi ed as WRA-E by Lerbekmo et al. (1975); composition of ilmenites in this sample reported in Lerbekmo et al. (1975).UA563Tephra FallCumulateGlass 73.83 0.24 14.42 1.53 0.09 0.36 1.82 4.23 3.17 9121EMP1.53Cl=0.34; H2O=2.82EMP 1.41 62.3 1217 648 27.1 40.7 4.93 18.8 3.27 0.61 2.41 0.32 1.65 0.31 0.98 0.14 1.16 0.21 9.09 207 7.31 5.51 0.72 24.3 8.19 2.94 9121ICPMS

SAMPLE LOCATION

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