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Sample ID:UA1046
Station ID:UA1046
Sample Type 1:Tephra Fall
Text Description:
Pumice. Major and minor minerals: plagioclase, amphibole, Fe-Ti oxides. Trace minerals: apatite, orthopyroxene.

Late Pleistocene and Holocene tephrostratigraphy of interior Alaska and Yukon: Key beds and chronologies over the past 30,000 years
Tephrochronology of middle to late Pleistocene loess in east-central Alaska

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
UA104664.424-140.531Froese, D. G. 1705 ± 100 14C; 10771; Age is approximate. Age based on radiocarbon age models reported in Davies and others (2016). Age reported as a range (1605-1805 cal BP) and for entry into the database, a value and error were calculated from the reported range.50--Confluence of 40 Mile and Yukon Rivers, west-central Yukon Territory.Pumice. Major and minor minerals: plagioclase, amphibole, Fe-Ti oxides. Trace minerals: apatite, orthopyroxene. UA1046Tephra FallCumulateGlass 73.021195667494 0.22062562094652 14.834468781676 1.7208198434204 0.057122907565592 0.3698345728894 2.1650254293879 4.1861545520933 3.0904702390407 10010771EMP1.7208198434204Cl=0.33428238548616; H2O=2.1724701447182EMP


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