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SAMPLE INFO : S852F
Sample ID:S852F
Station ID:S852
Latitude:61.6
Longitude:-149.1
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
Red-brown tephra that is 5.5 cm thick and occurs approximately 50 cm below a thick organic mat of decaying plants, loess, and peat. Within this tephra, a piece of charcoal was radiocarbon dated at 1030+/-150 yBP.

References:
Holocene tephrochronology of the Matanuska Valley, Alaska

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDSample Type 1Sample Type 2Geologic 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
S85261.6-149.1Fontana, M. R.~ 1030 ± 150 14C; 8881; Radiocarbon carbon date of charcoal layer (S852FP) within tephra S852F. At the intersection of the Glenn Highway and West Dolphin avenue, 0.8 km north of Palmer, Alasksa. Seven tephra recorded in the stratigraphy at this small roadcut, one of which was a couplet and all of which were analyzed. See Fontana (1988) for detailed stratigraphy. Coordinates provided as degrees/minutes and converted to decimal degrees; datum not provided, assumed to be NAD83. Red-brown tephra that is 5.5 cm thick and occurs approximately 50 cm below a thick organic mat of decaying plants, loess, and peat. Within this tephra, a piece of charcoal was radiocarbon dated at 1030+/-150 yBP. S852FTephra FallCumulateGlass 76.79 0.17 13 1.74 0.15 1.1 3.79 3.11 8881EMP1.74Cl=0.15EMP

SAMPLE LOCATION

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