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SAMPLE INFO : S8515B-Pop.1
Sample ID:S8515B-Pop.1
Station ID:S8515
Latitude:61.73
Longitude:-148.73
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
Pale-white tephra that is 1 cm thick and occurs approximately 28 cm below the surface. Above the tephra is brown and tan mottled loess with numerous interbedded layers of peat and below the tephra is 20 cm of loess and peat and a sharp contact with underlying ice-contact stratified drift.

References:
Holocene tephrochronology of the Matanuska Valley, 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
S851561.73-148.73Fontana, M. R. -1800--Small roadcut on the north side of the Glenn Highway, Alaska, at mile 68. One-m-thick exposure of loess that mantles stratified sands. Two tephra recorded at this exposure, both of which were sampled. See Fontana (1988) for detailed stratigraphy. Coordinates provided as degrees/minutes and converted to decimal degrees; datum not provided, assumed to be NAD83. Pale-white tephra that is 1 cm thick and occurs approximately 28 cm below the surface. Above the tephra is brown and tan mottled loess with numerous interbedded layers of peat and below the tephra is 20 cm of loess and peat and a sharp contact with underlying ice-contact stratified drift.S8515B-Pop.1Tephra FallCumulateGlass 73.2 0.36 14.4 1.87 0.74 2.35 4.13 2.66 8881EMP1.87Cl=0.29EMP

SAMPLE LOCATION

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