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SAMPLE INFO : UT40
Sample ID:UT40
Station ID:Ash_Bend
Latitude:63.5
Longitude:-137.267
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
n.d. on deposit thickness; pumice, rare blocky shards, and rare bubble-wall shards; no data on stratigraphic location of deposit; field name HH-65-25. Sample collected by O. Hughes, no date.

References:
Changing ideas on the identity and stratigraphic significance of the Sheep Creek tephra beds in Alaska and the Yukon Territory, northwestern North America
A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory
150,000 years of loess accumulation in central Alaska

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
Ash_Bend63.5-137.267Preece, S. J. 80000 glass - FT; 4365; Age is approximate. Glass - FT and OSL.-78050--Ash Bend Section, Stewart River, Yukon Territory, Canada. Type section for the Reid glaciation and early Beringian Bison fossils. Located a few kilometers inside the outer limit of Reid drift, which was deposited during an extensive advance of the Cordilleran Ice Sheet across central Yukon Territory, Canada. The Reid till forms a prominent 10-m-high scarp within a thick, recessive sequence of glaciofluvial gravels at Ash Bend. Coordinates from Preece et al. (2011). Datum not specified, assumed to be NAD83.n.d. on deposit thickness; pumice, rare blocky shards, and rare bubble-wall shards; no data on stratigraphic location of deposit; field name HH-65-25. Sample collected by O. Hughes, no date.UT40Tephra FallCumulateGlass 72.87 0.21 15.56 1.46 0.04 0.5 2.21 4.58 2.53 10781EMP1.46Cl=0.04; H2O=4.09EMP 1.01 830 15.7 27 1.27 0.45 0.14 0.42 2.97 0.5 5.7 1.4 1.6 1792INAA

SAMPLE LOCATION

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Page modified: August 1, 2017 15:29
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