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SAMPLE INFO : Riehle_1987_AN_6p
Sample ID:Riehle_1987_AN_6p
Station ID:Riehle_1987_AN_6
Latitude:63.5
Longitude:-162.2
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
Pumice. 15-22 cm thick deposit, reworked. Clear to pale gray glass and fibrous white pumice; trace pale grey to medium brown scoriaceous glass; rare fine black fragments may be black glass shards; estimated 98% glass, remainder is plagioclase and pyroxene>amphibole>opaquesa=apatite=-zircon (?).

References:
The Aniakchak tephra deposit, a late Holocene marker horizon in western 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
Riehle_1987_AN_663.5-162.2Riehle, J. R.< 6430 ± 90 14C; 10031; Lab ID: W 4325. Date obtained from 0-10cm below the tephra deposit. Aniakchak-1480--Imprecise georeference from Figure 1 in cit1724. Lake sediments cored on St. Michael IslandPumice. 15-22 cm thick deposit, reworked. Clear to pale gray glass and fibrous white pumice; trace pale grey to medium brown scoriaceous glass; rare fine black fragments may be black glass shards; estimated 98% glass, remainder is plagioclase and pyroxene>amphibole>opaquesa=apatite=-zircon (?).Riehle_1987_AN_6pTephra FallCumulateGlass 71.4 0.47 14.85 2.47 0.13 0.5 1.75 5.48 2.96 98.21724EMP2.47

SAMPLE LOCATION

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