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SAMPLE INFO : 18CW100-15
Sample ID:18CW100-15
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:
Medium gray scoria ; Volcanic bomb on surface of 2017-2018 tuff ring; Scoria (7% vesicularity) with medium gray mostly crystalline groundmass and 5% hornblende to 4 mm (one to 9 mm), 5% plagioclase to 1 mm, <1% pyroxene to 1 mm. Gabbroic hornblende/plagio

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 zoneMedium gray scoria ; Volcanic bomb on surface of 2017-2018 tuff ring; Scoria (7% vesicularity) with medium gray mostly crystalline groundmass and 5% hornblende to 4 mm (one to 9 mm), 5% plagioclase to 1 mm, <1% pyroxene to 1 mm. Gabbroic hornblende/plagio18CW100-15Tephra FallCumulateWhole-rock 50.13123172 1.212048073 18.0982071 9.565559089 0.1930974 4.764003847 10.66985745 3.081780598 1.898049646 0.386155167 99.414414914381XRF9.565559089LOI=0 1.7 53.6 919 772 17.2 40.95 5.93 26.3 5.94 1.81 5.21 0.82 4.68 0.95 2.49 0.36 2.2 0.34 23.4 123 3.61 3.56 0.24 4.5 3.94 1.72 30.1 323.474 18.715 15.8585 68.6545 77.421 20.291 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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