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SAMPLE INFO : 18CW100-20
Sample ID:18CW100-20
Station ID:18CW100
Latitude:53.93247
Longitude:-168.03111
Datum:NAD83
Date Sampled:2018-08-15
Sample Type 1:Tephra Fall
Sample Type 2:Bomb
 Text Description:
Light pumice ; Juvenile pumice on surface of the 2017-2018 tuff ring; White glassy pumice (80% vesicularity) with 3% mafic grains to 2-3 mm (often in vugs with glass threads radiating to them), 10% plagioclase to 2 mm. Spots of orange staining.

References:
Petrology of the 2016-2017 eruption of Bogoslof Island, Alaska

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
18CW10053.93247-168.03111Waythomas, C. F.2018-08-15 Bogoslof2016-12-12bench of pyroclastic debris from 2016-2017 eruption on beach on east coast of Bogoslof near Zodiac boat landing zoneLight pumice ; Juvenile pumice on surface of the 2017-2018 tuff ring; White glassy pumice (80% vesicularity) with 3% mafic grains to 2-3 mm (often in vugs with glass threads radiating to them), 10% plagioclase to 2 mm. Spots of orange staining.18CW100-20Tephra FallCumulateWhole-rock 66.78805123 0.389974849 17.28837021 2.78238882 0.055763696 0.874018971 3.334691076 4.06379062 4.322744348 0.100216216 98.727136214381XRF2.78238882LOI=0.4296875XRF 0.64 97.2 1786 485 24.73 47.35 5.54 20.25 3.94 1.07 3.07 0.49 2.96 0.63 1.91 0.31 2.1 0.35 17.87 220 6.27 5.58 0.45 6.41 14.16 6.34 4.1 67.815 5.742 2.673 39.897 18.612 19.206 14381ICPMS: Cs, Rb, Ba, Sr, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Zr, Nb, Hf, Ta, Pb, Th, U, Sc; XRF: V, Cr, Ni, Cu, Zn, Ga;

SAMPLE LOCATION

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Page modified: August 1, 2017 15:29
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