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SAMPLE INFO : UT338
Sample ID:UT338
Station ID:UT338
Latitude:62.004
Longitude:-140.567
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
< 1 cm thick; fine grained and moderately to poorly sorted; in peaty silts immediately below Macauley Till (Rampton 1971)

References:
Distribution, stratigraphy, petrochemistry and palaeomagnetism of the late Pleistocene Old Crow tephra in Alaska and the 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
UT33862.004-140.567Westgate, J. A. 124000 ± 10000 known unit; 10271; Age is approximate. Revised glass fission-track age with re-calibration; four Old Crow Tephra sample glass fission-track ages (UT1434, UT613, UT501, UT613).No location description provided; near Alaska-Canada border, off the Alcan Highway< 1 cm thick; fine grained and moderately to poorly sorted; in peaty silts immediately below Macauley Till (Rampton 1971)UT338Tephra FallCumulateGlass 75.34 0.39 12.96 1.66 0.45 1.22 3.77 4.08 1792EMP1.66Cl=0.12; H2O=1.13EMP

SAMPLE LOCATION

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