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SAMPLE INFO : 91CND16
Sample ID:91CND16
Station ID:91CND16
Latitude:58.920041
Longitude:-153.535611
Datum:NAD83
Date Sampled:1991-01-01
Sample Type 1:Lava
Text Description:
Another sample of same lava flow as 91CND15. Porphyritic olivine andesite containing ~20% phenocrysts of olivine (15%, up to 1.0 x 0.5 mm), plagioclase (3%, 0.7 x 0.3 mm), and pyroxene (2%, 0.4 x 0.2mm) in a matrix dominated by interlocking plagioclase microlites (200 x 15 microns) and pyroxene (20 microns). Olivine phenocrysts contain euhedral translucent brown chromite octahedral.

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
91CND1658.920041-153.535611Nye, C. J.1991-07-20 DouglasAnother sample of same lava flow as 91CND15. Porphyritic olivine andesite containing ~20% phenocrysts of olivine (15%, up to 1.0 x 0.5 mm), plagioclase (3%, 0.7 x 0.3 mm), and pyroxene (2%, 0.4 x 0.2mm) in a matrix dominated by interlocking plagioclase microlites (200 x 15 microns) and pyroxene (20 microns). Olivine phenocrysts contain euhedral translucent brown chromite octahedral.91CND16LavaWhole-rock 57.37 0.722 16.72 0.121 6.08 7.97 3.43 1.074 0.106 100.5213291XRF6.4 1.38048 32 308 287 0 19 2.48639 11.17526 3.14493 0.93033 3.4293 0.62012 3.88734 0.83018 2.27196 0.3371 2.1582 0.34449 22 107 2 2.81393 0.12158 5 3 1.19309 27 196 184 71 59 60 16 13291ICPMS: Cs, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, U; XRF: Rb, Ba, Sr, Ce, Y, Zr, Nb, Pb, Th, Sc, V, Cr, Ni, Cu, Zn, Ga;

SAMPLE LOCATION

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