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SAMPLE INFO : ACT-637
Sample ID:ACT-637
Station ID:ACT-637
Latitude:63.53
Longitude:-145.86
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
Thin layer generally less than 1 cm thick (T. L. Pewe, written communication, 1990).

References:
Correlation of the Holocene Jarvis Creek, Tangle Lakes, Cantwell, and Hayes tephras in south-central and central Alaska
Three Holocene tephras identified in lacustrine sediment cores from the Wonder Lake area, Denali National Park and Preserve, Alaska, USA

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
ACT-63763.53-145.86Unknown, Unknown< 3660 ± 275 14C; 92; Lab ID: GX-14443. Corrected radiocarbon date based on 13C content.-1800--Gunnysack Creek roadcut.Thin layer generally less than 1 cm thick (T. L. Pewe, written communication, 1990).ACT-637Tephra FallCumulateGlass 73.67 0.24 14.54 0.54 2.25 3.93 2.59 100498EMP1.86Cl=0.37; H2O=2.43EMP
ACT-63763.53-145.86Unknown, Unknown< 3660 ± 275 14C; 92; Lab ID: GX-14443. Corrected radiocarbon date based on 13C content.-1800--Gunnysack Creek roadcut.Thin layer generally less than 1 cm thick (T. L. Pewe, written communication, 1990).ACT-637Tephra FallCumulateGlass 73.67 0.24 14.54 0.54 2.25 3.93 2.59 10092EMP1.86Cl=0.37EMP

SAMPLE LOCATION

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