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SAMPLE INFO : AL09-02PM
Sample ID:AL09-02PM
Station ID:AL09-02
Latitude:53.88707
Longitude:-166.93202
Datum:NAD83
Date Sampled:2009-00-00
Sample Type 1:Tephra Fall
Text Description:
Middle Pumice is 10-115cm thick layer of moderately well-sorted, ungraded vitric lapilli and fine blocks. The most abundant clast-type is brown-beige pumice, which occurs as lapilli and bombs as large as 15cm in the long dimension. PM also has sparse, smaller lithic fragments (5 wt% of layer) that are both vitric (60% of lithics) and vairably altered volcanic lithologies (40% of lithics)

References:
Stratigraphy, distribution, and evidence for mafic triggering of the ca. 8.5 ka Driftwood Pumice eruption, Makushin Volcano, Alaska, U.S.A.

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDSample Type 1Sample Type 2Final UnitMaterialSiO2TiO2Al2O3FeOTMnOMgOCaONa2OK2OP2O5Total-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
AL09-0253.88707-166.93202Lerner, A. H.2009-00-00 Makushin-5790--Unalaska Island, Driftwood Valley, 185m elevationMiddle Pumice is 10-115cm thick layer of moderately well-sorted, ungraded vitric lapilli and fine blocks. The most abundant clast-type is brown-beige pumice, which occurs as lapilli and bombs as large as 15cm in the long dimension. PM also has sparse, smaller lithic fragments (5 wt% of layer) that are both vitric (60% of lithics) and vairably altered volcanic lithologies (40% of lithics)AL09-02PMTephra FallCumulateWhole-rock 62.63 0.91 16.66 0.18 1.3 4.3 5.04 2 0.31 99.9213521XRF6.65LOI=1.95XRF 46.8 654 311 20 48 43.8 234 6.3 18 5 2 46 2 0 93 19 13521XRF

SAMPLE LOCATION

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