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SAMPLE INFO : UT2178
Sample ID:UT2178
Station ID:Chatanika_Site
Latitude:65
Longitude:-147.7
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
~1 cm thick and occurs ~4 m below the top of the Goldstream Formation in exposures along the Chatanika River, 40 km north of Fairbanks.

References:
Late Pliocene Dawson Cut forest bed and new tephrochronological findings in the Gold Hill Loess, east-central Alaska
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
Chatanika_Site65-147.7Pewe, T. L.< 14760 ± 850 14C; 1670; age obtained on a Citellus nest 4 m below the ash layer15-m high cutbank exposure along the Chatanika River, 40 km north of Fairbanks and 2 km downstream from the Elliott Highway bridge, Alaska. Location imprecisely georeferenced from Figure 2A in Pewe et al. (2009)~1 cm thick and occurs ~4 m below the top of the Goldstream Formation in exposures along the Chatanika River, 40 km north of Fairbanks.UT2178Tephra FallCumulateGlass 76.67 0.13 13.47 0.99 0.05 0.29 1.54 3.78 2.9 10781EMP0.99Cl=0.19; H2O=6.37EMP
Chatanika_Site65-147.7Pewe, T. L.< 14760 ± 850 14C; 1670; age obtained on a Citellus nest 4 m below the ash layer15-m high cutbank exposure along the Chatanika River, 40 km north of Fairbanks and 2 km downstream from the Elliott Highway bridge, Alaska. Location imprecisely georeferenced from Figure 2A in Pewe et al. (2009)~1 cm thick and occurs ~4 m below the top of the Goldstream Formation in exposures along the Chatanika River, 40 km north of Fairbanks.UT2178Tephra FallCumulateGlass 76.9 0.13 13.52 1.01 0.08 0.29 1.65 3.78 2.57 4792EMP1.01Cl=0.15; H2O=6.01EMP

SAMPLE LOCATION

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Page modified: August 1, 2017 15:29
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