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SAMPLE INFO : 91CNI02i
Sample ID:91CNI02i
Station ID:91CNI02
Latitude:60.01098
Longitude:-152.99017
Datum:NAD83
Date Sampled:1991-07-23
Sample Type 1:Lava
Sample Type 2:Enclave/Inclusion
 Text Description:
Andesite melt inclusion. About 40% plagioclase phenocrysts up to 1.5 x 3.5 mm; 10% ortho and clinopyroxene phenocrysts up to 1 x 1.5 mm; opaque oxides; 25% clear, microlite-free glass, and 25% void space. This sample is unusual in its lack of microlites and in being more siliceous than its host magma. One of several diverse lithologies collected from single location consisting of avalanche debris sitting on top of Red Glacier at ~2400 foot elevation. This location is at a fork in the glacier, and these samples could have come from either the main cone or North Twin. This location covered by subsequent rock/snow/ice avalanches (seen in landsat image on GE). "i" denotes fist-sized rounded blobs of macroscopically different magma enclosed in homogeneous host.

References:
Geochemistry of some Quaternary lavas from the Aleutian Arc and Mt. Wrangell

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
91CNI0260.01098-152.99017Nye, C. J.1991-07-23 IliamnaLatitude and longitude determined using Google Earth.Andesite melt inclusion. About 40% plagioclase phenocrysts up to 1.5 x 3.5 mm; 10% ortho and clinopyroxene phenocrysts up to 1 x 1.5 mm; opaque oxides; 25% clear, microlite-free glass, and 25% void space. This sample is unusual in its lack of microlites and in being more siliceous than its host magma. One of several diverse lithologies collected from single location consisting of avalanche debris sitting on top of Red Glacier at ~2400 foot elevation. This location is at a fork in the glacier, and these samples could have come from either the main cone or North Twin. This location covered by subsequent rock/snow/ice avalanches (seen in landsat image on GE). "i" denotes fist-sized rounded blobs of macroscopically different magma enclosed in homogeneous host.91CNI02iLavaWhole-rock 62.17 0.604 17.06 0.126 2.66 6.24 4.39 1.196 0.141 98.6413291XRF5.41 1.08 24 385 402 12 32 2.77039 12.0394 3.1 0.9417 3.2513 0.55 3.54 0.76 2.12834 0.32 2.07 0.35 20 116 1.7 2.55868 0.12669 4 2 0.90285 13 129 11 6 85 71 15 13291ICPMS: Cs, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, U; XRF: Rb, Ba, Sr, La, Ce, Y, Zr, Nb, Pb, Th, Sc, V, Cr, Ni, Cu, Zn, Ga;

SAMPLE LOCATION

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