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SAMPLE INFO : UT1054
Sample ID:UT1054
Station ID:Preece_2000_site_16
Latitude:63.816
Longitude:-139.05
Datum:NAD83
Date Sampled:1990-01-01
Sample Type 1:Tephra Fall
Text Description:
From Preece et al. (2000): no data on deposit thickness. Tephra pods are in a 0.6 m thick unit composed of distorted sand and gravel. Samples taken from separate tephra pods. UT1455 is about 30 cm above UT1054. Overlying the tephra beds are interbedded gravel and sand. From Preece et al. (2011): n.d. on deposit thickness; pumice; in Upper White Channel Gravel; repeats vertically; UT1455 ?30 cm above UT1054

References:
Characterization, identity, distribution, and source of late Cenozoic tephra beds in the Klondike District of the Yukon, Canada
A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory

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
Preece_2000_site_1663.816-139.05Alloway, B. V.1990-01-01 Upper Bonanza Creek road, Yukon Territory, Canada. Crudely stratified gravel is overlain by 0.9 m of bedded silts and sands. 1.5 m of gravel overlie the silt and sand unit. Tephra pods are in a 0.6 m thick unit composed of distorted sand and gravel. Overlying the tephra beds are interbedded gravel and sand. Section was destroyed during placer mining operations. Datum not specified, assumed to be NAD83.From Preece et al. (2000): no data on deposit thickness. Tephra pods are in a 0.6 m thick unit composed of distorted sand and gravel. Samples taken from separate tephra pods. UT1455 is about 30 cm above UT1054. Overlying the tephra beds are interbedded gravel and sand. From Preece et al. (2011): n.d. on deposit thickness; pumice; in Upper White Channel Gravel; repeats vertically; UT1455 ?30 cm above UT1054UT1054Tephra FallCumulateGlass 1.17 50 847 13.58 29.5 10.9 1.79 0.46 0.21 0.73 0.11 2.9 0.27 4.78 1.13 2.34 89 990INAA

SAMPLE LOCATION

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