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Sample ID:05SMJL009
Station ID:05SMJL009
Date Sampled:2005-09-16
Sample Type 1:Pyroclastic Flow
Sample Type 2:Hand-picked dense juvenile material
Final Unit:CFE ignimbrite - black clast
Text Description:
Dark black to bluish grey andesite chunks from the CFE PF. Very glassy, ranging from poorly vesicular to obsidian.

Postglacial eruptive history and geochemistry of Semisopochnoi volcano, western Aleutian Islands, Alaska

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
05SMJL00951.95947179.66267Larsen, J. F.2005-09-16 Semisopochnoinorth side calderaDark black to bluish grey andesite chunks from the CFE PF. Very glassy, ranging from poorly vesicular to obsidian.05SMJL009Pyroclastic FlowBombCFE ignimbrite - black clastWhole-rock 63.08475965 0.859078812 16.56616014 5.6247863384528 0.195045542 1.542937445 3.909421875 5.053989958 2.784658914 0.379161327 98.8128213321XRF5.6247863384528 3.59219303 65.94508439 759.8562093 303.3500059 19.29172817 44.838395 6.409520858 28.48191807 7.295926761 1.861348633 7.160687354 1.183963618 7.402068657 1.587136493 4.439630016 0.660165968 4.201220441 0.677195602 40.66872764 208.324909 4.985460251 5.984928982 0.327310141 13.22420791 5.509469845 2.649586908 18.66935042 54.6 1.5 2.9 99 19 13321ICPMS: 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, Zn, Ga;


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