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SAMPLE INFO : UA2661
Sample ID:UA2661
Station ID:Puyak_Lake
Latitude:63.50333333
Longitude:-162.2083333
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
5-cm-thick tephra near the base of core. Glass shards and pumice that is rich in phenocrysts and microlites. Major and minor minerals: plagioclase, orthopyroxene, Fe-Ti oxides. Trace minerals: clinopyroxene, amphibole (?).

References:
Late Pleistocene and Holocene tephrostratigraphy of interior Alaska and Yukon: Key beds and chronologies over the past 30,000 years

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
Puyak_Lake63.50333333-162.2083333Unknown, Unknown 15505 ± 312 14C; 10771; Age is approximate. Age based on radiocarbon age models reported in Davies and others (2016).-13660--Puyak Lake, northwestern St. Michael Island, Alaska. Coordinates not provided. Generic location selected near Puyak Lake.5-cm-thick tephra near the base of core. Glass shards and pumice that is rich in phenocrysts and microlites. Major and minor minerals: plagioclase, orthopyroxene, Fe-Ti oxides. Trace minerals: clinopyroxene, amphibole (?).UA2661Tephra FallCumulateGlass 61.357259651993 1.2921738041616 16.197543751049 7.2482546696373 0.20791838142951 2.1175333638172 5.2763193537159 4.4316576427212 1.7931842042964 10010771EMP7.2482546696373Cl=0.10085168704773; H2O=3.0677EMP

SAMPLE LOCATION

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