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SAMPLE INFO : UT420
Sample ID:UT420
Station ID:West_Dawson
Latitude:64.9511
Longitude:-147.6561
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
In the Upper Gold Hill Loess (from Pewe et al. 2009).

References:
Late Pliocene Dawson Cut forest bed and new tephrochronological findings in the Gold Hill Loess, east-central Alaska
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
West_Dawson 64.9511-147.6561Unknown, Unknown 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).Just off the Steese Highway near the junction with Goldstream Road, Fairbanks, Alaska. Location coordinates from Preece et al. (2011); datum not specified, assumed to be NAD83.In the Upper Gold Hill Loess (from Pewe et al. 2009).UT420Tephra FallCumulateGlass 75.56 0.27 13.06 1.73 0.05 0.28 1.47 3.67 3.75 10271EMP1.73Cl=0.28; H2O=5.11EMP

SAMPLE LOCATION

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Page modified: August 1, 2017 15:29
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