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SAMPLE INFO : UA1097
Sample ID:UA1097
Station ID:Chester_Bluff
Latitude:65.3336
Longitude:-142.7422
Datum:NAD83
Sample Type 1:Tephra Fall
 Text Description:
Within loose, inorganic silt that is heavily disturbed by modern root penetration. Approximately 10-11 m above Old Crow tephra and within 1 m of the surface. Light grey in color, up to 0.5 cm thick with diffuse contacts, can be followed for several meters across the section.

References:
The variegated (VT) tephra: A new regional marker for middle to late marine isotope stage 5 across Yukon and Alaska
Tephrochronology of middle to late Pleistocene loess in east-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
Chester_Bluff65.3336-142.7422Jensen, B. J. L. 106000 ± 10000 TL; 7423; Age is approximate. Average age of two infrared stimulated luminescence ages on loess bracketing VT tephra at Halfway House.Chester Bluff, Alaska. Datum not specified, assumed to be NAD83. Coordinates from Jensen and others (2013), vary slightly from those reported in Jensen and others (2011).Within loose, inorganic silt that is heavily disturbed by modern root penetration. Approximately 10-11 m above Old Crow tephra and within 1 m of the surface. Light grey in color, up to 0.5 cm thick with diffuse contacts, can be followed for several meters across the section. UA1097Tephra FallCumulateGlass 70.42 0.59 14.86 3.21 0.11 0.7 2.48 4.56 2.92 7423EMP3.21Cl=0.15; H2O=3.31EMP

SAMPLE LOCATION

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