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SAMPLE INFO : UT361
Sample ID:UT361
Station ID:UT361
Latitude:65.633
Longitude:-138.133
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
< 1 cm thick; fine grained and moderately to poorly sorted; in organic silts above similar material with large ice-wedge casts

References:
Discovery of a large-magnitude, late Pleistocene volcanic eruption in Alaska
Distribution, stratigraphy, petrochemistry and palaeomagnetism of the late Pleistocene Old Crow tephra in Alaska and the Yukon
A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory
Old Crow tephra across eastern Beringia: a single cataclysmic eruption at the close of Marine Isotope Stage 6

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
UT36165.633-138.133Westgate, 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).Sequence is on high terrace of Ogilvie River, Yukon Territory, Canada; it is below general pediment surface in area but above supposed "Reid" terrace (V. Rampton, written communication, 1982)< 1 cm thick; fine grained and moderately to poorly sorted; in organic silts above similar material with large ice-wedge castsUT361Tephra FallCumulateGlass 3.75 1792INAA2.05 22.3 42 22 6.9 0.84 0.97 1.7 3.9 0.81 6.2 5.7 3.8 7.2 1183INAA
UT36165.633-138.133Westgate, 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).Sequence is on high terrace of Ogilvie River, Yukon Territory, Canada; it is below general pediment surface in area but above supposed "Reid" terrace (V. Rampton, written communication, 1982)< 1 cm thick; fine grained and moderately to poorly sorted; in organic silts above similar material with large ice-wedge castsUT361Tephra FallCumulateGlass 4.9 1000 23.2 45.6 26 6.88 0.8 1 3.9 0.81 6.2 8.1 3.8 8.3 1792INAA

SAMPLE LOCATION

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