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SAMPLE INFO : 91CND27
Sample ID:91CND27
Station ID:91CND27
Latitude:58.878783
Longitude:-153.419283
Datum:NAD83
Date Sampled:1991-01-01
Sample Type 1:Lava
Text Description:
Sample from ridge-crest outcrop at 3320 ft elevation 9 km east southeast of Douglas summit. Non-volcanic country-rock underlies Douglas lavas below this sample. Porphyritic two-pyroxene andesite. Phenocrysts of plagioclase (35%, up to 1.3 x 0.7 mm), and pyroxene (15%, up to 0.4 x 0.2 mm) in a groundmass of devitrified glass and subordinate microphenocrysts and microlites.

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
91CND2758.878783-153.419283Nye, C. J.1991-07-25 DouglasSample from ridge-crest outcrop at 3320 ft elevation 9 km east southeast of Douglas summit. Non-volcanic country-rock underlies Douglas lavas below this sample. Porphyritic two-pyroxene andesite. Phenocrysts of plagioclase (35%, up to 1.3 x 0.7 mm), and pyroxene (15%, up to 0.4 x 0.2 mm) in a groundmass of devitrified glass and subordinate microphenocrysts and microlites.91CND27LavaWhole-rock 62.27 0.622 16.47 0.094 3.53 6.48 3.8 1.436 0.106 100.2413291XRF5.19 0.74963 40 382 286 2 26 2.96015 12.70734 3.44827 0.90323 3.80095 0.66667 4.19114 0.8877 2.45869 0.38119 2.41467 0.39095 24 123 2.1 3.35948 0.14491 6 2 1.70773 22 154 52 18 62 53 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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