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Sample ID:99JLOK4G5
Station ID:99JLOK4
Date Sampled:1999-01-01
Final Unit:Hcfe2
Text Description:
Okmok II juvenie scoria sampled from up near the lower middle of the ash flow deposits

Magmatic differentiation at an island-arc caldera: a stratigraphically constrained multi-isotope study of Okmok Volcano, Aleutian Islands, Alaska
Late Pleistocene and Holocene caldera-forming eruptions of Okmok Caldera, 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
99JLOK453.55656-168.08001Larsen, J. F.1999-01-01 Okmok-100--Ashishik point outcrop. Re-measured stratigraphyOkmok II juvenie scoria sampled from up near the lower middle of the ash flow deposits99JLOK4G5Hcfe2Whole-rock 55.28067741 1.496409823 15.84907178 10.50805527 0.20515296 3.640459382 7.954705445 3.529837688 1.257064704 0.278565538 99.4384113XRF10.449 2.034158964 29.1326655 405.4126716 354.6438839 12.00312745 29.7740964 4.323687607 19.60786603 5.452086076 1.597806866 5.828577118 1.028225423 6.640006834 1.381887817 3.777378788 0.567074513 3.564222017 0.565316389 35.14963985 146.9678164 4.396722252 4.215528303 0.330016783 10.39060593 2.888483659 1.379917602 34.8342261 331 25 12 145 102 20 4113ICPMS: 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;


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