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SAMPLE INFO : RS126
Sample ID:RS126
Station ID:Ruppert_Lake_side
Latitude:67.074444
Longitude:-154.251389
Datum:NAD83
Sample Type 1:Tephra Fall
Field Lithology:Rhyolite
Text Description:
Cryptotephra of clear platy shards, thought to be same horizon as samples RC127 and WBP65. The rhyolitic glass geochemistry is identical for all three layers.

References:
Chronology and glass chemistry of tephra and cryptotephra horizons from lake sediments in northern 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
Ruppert_Lake_side67.074444-154.251389Unknown, Unknown0000-00-00 3415 ± 235 14C AMS; 13071; Age is approximate. Two sigma modeled age range for the tephra based on radiocarbon age model of the core.-1480--Rupper Lake in southern Brooks Range, Alaska, 3.1 km square. Within 750 m of Woody Bottom Pond. Side Core. Cryptotephra of clear platy shards, thought to be same horizon as samples RC127 and WBP65. The rhyolitic glass geochemistry is identical for all three layers. RS126Tephra FallCumulateGlass 71.28 0.51 15.31 2.35 0.15 0.49 1.78 4.73 3.02 0.1 10013071EMP2.35Cl=0.28; H2O=2.54EMP

SAMPLE LOCATION

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