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SAMPLE INFO : 91CNI23
Sample ID:91CNI23
Station ID:91CNI23
Latitude:59.99421
Longitude:-153.16789
Datum:NAD83
Date Sampled:1991-01-01
Sample Type 1:Lava
Text Description:
Porphyritic two-pyroxene andesite. Phenocrysts of plagioclase, clinopyroxene, orthopyroxene, and opaque oxides in a groundmass of microlites with subordinate interstitial clear glass. One of several diverse lithologies collected from single location consisting of avalanche debris sitting on top of Umbrella Glacier at ~2200 foot elevation. Location implies these all came from Iliamna, central peak. "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 2Geologic 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
91CNI2359.99421-153.16789Nye, C. J.1991-07-28 IliamnaLatitude and longitude determined using Google Earth.Porphyritic two-pyroxene andesite. Phenocrysts of plagioclase, clinopyroxene, orthopyroxene, and opaque oxides in a groundmass of microlites with subordinate interstitial clear glass. One of several diverse lithologies collected from single location consisting of avalanche debris sitting on top of Umbrella Glacier at ~2200 foot elevation. Location implies these all came from Iliamna, central peak. "i" denotes fist-sized rounded blobs of macroscopically different magma enclosed in homogeneous host. 91CNI23LavaWhole-rock 62 0.602 17.27 0.126 2.66 6.29 4.45 1.144 0.146 99.6813291XRF5.31 0.60971 22.16231 422.63842 8.48601 19.7849 2.83452 12.45921 3.26441 0.97968 3.28334 0.58004 3.59799 0.76531 2.12089 0.30425 2.01096 0.32202 19.74757 2.25443 1.76475 0.14805 3.8938 1.43299 0.74606 13291ICPMS 24 393 410 9 26 21 111 1.8 1 4 17 135 12 7 83 68 2013291XRF

SAMPLE LOCATION

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