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SAMPLE INFO : UA348
Sample ID:UA348
Station ID:Gold_Hill_Cut
Latitude:64.8633
Longitude:-147.9438
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
13-cm-thick, occurs ~ 1m below the Eva Forest Bed unconformity at Gold Hill.

References:
Discovery of a large-magnitude, late Pleistocene volcanic eruption in Alaska
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
Gold_Hill_Cut64.8633-147.9438Unknown, 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).Gold Hill, Fairbanks, Alaska. Location coordinates from Preece et al. (2011). Datum not specified, assumed to be NAD83.13-cm-thick, occurs ~ 1m below the Eva Forest Bed unconformity at Gold Hill. UA348Tephra FallCumulateGlass 3.72 1792INAA3.18 3.9 1000 25.9 53 6.13 0.95 0.9 3.8 0.63 5.6 0.7 10 4 8.7 1792INAA
Gold_Hill_Cut64.8633-147.9438Unknown, 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).Gold Hill, Fairbanks, Alaska. Location coordinates from Preece et al. (2011). Datum not specified, assumed to be NAD83.13-cm-thick, occurs ~ 1m below the Eva Forest Bed unconformity at Gold Hill. UA348Tephra FallCumulateGlass 75.55 0.28 12.99 1.68 0.04 0.28 1.49 3.78 3.63 10271EMP1.68Cl=0.27; H2O=3.05EMP

SAMPLE LOCATION

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Page modified: August 1, 2017 15:29
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