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SAMPLE INFO : 18CW100-17
Sample ID:18CW100-17
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:
Dark scoria ; Volcanic bomb on surface of 2017-2018 tuff ring; Scoria (1-10% vesicularity) with dark gray crystalline groundmass and 2% hornblende to 2 mm (one to 1 cm), 7% plagioclase to 1 mm. Gabbroic hornblende/plagioclase/pyroxene inclusion to 1 cm. V

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 zoneDark scoria ; Volcanic bomb on surface of 2017-2018 tuff ring; Scoria (1-10% vesicularity) with dark gray crystalline groundmass and 2% hornblende to 2 mm (one to 1 cm), 7% plagioclase to 1 mm. Gabbroic hornblende/plagioclase/pyroxene inclusion to 1 cm. V18CW100-17Tephra FallCumulateWhole-rock 49.33125846 1.231622546 18.53495423 9.497765028 0.202090108 4.51416916 11.53319755 2.843852963 1.920971137 0.390108816 98.4901992514381XRF9.497765028LOI=0.650923403XRF 0.9 43.6 901 890 16.81 41.2 6.09 27.23 6.01 1.83 5.29 0.81 4.71 0.94 2.46 0.33 2.09 0.33 23.24 109 3.09 3.26 0.2 4.01 3.43 1.49 34.5 336.7715 11.1305 11.623 75.5495 79.391 20.5865 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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