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SAMPLE INFO : 85CNS07
Sample ID:85CNS07
Station ID:85CNS07
Latitude:61.212604
Longitude:-152.12081
Datum:NAD83
Date Sampled:1985-01-01
Sample Type 1:Lava
Sample Type 2:Block and Ash juvenile
Text Description:
Sample of juvenile block from block-and-as flows deposited on the debris avalanche formed during flank collapse of ancestral Mt. Spurr (“pyroclastic fan”; sample PF-07 of Nye and Turner (1990). Very young columnar andesite at 1210' on stream E of camp. Large plag and smaller cpx phenocrysts. Plag lath-shaped 1-4 mm long. Texture unlike S1 and S3 b&a flows.

General Mineralogy Description:
Large plag and smaller cpx phenocrysts. Plag lath-shaped 1-4 mm long. Texture unlike S1 and S3 b&a flows.

References:
Petrology, geochemistry, and age of the Spurr volcanic complex, eastern Aleutian arc
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
85CNS0761.212604-152.12081Nye, C. J.1985-01-01 SpurrSample of juvenile block from block-and-as flows deposited on the debris avalanche formed during flank collapse of ancestral Mt. Spurr (“pyroclastic fan”; sample PF-07 of Nye and Turner (1990). Very young columnar andesite at 1210' on stream E of camp. Large plag and smaller cpx phenocrysts. Plag lath-shaped 1-4 mm long. Texture unlike S1 and S3 b&a flows.85CNS07LavaWhole-rock 60.23 0.699 17.5 0.124 3.02 6.54 4.23 1.763 0.21 99.8413291XRF5.69 0.347055707 31.54082182 558 0 25 31 4.753228338 19.94189867 4.652765809 1.300523784 4.484499492 0.706537943 4.253964188 0.844106431 2.306414459 0.339395131 2.22050022 0.346897173 19.36365385 0 4.787217428 3.803469754 0.393070876 6 2 1.134913551 21 141 14 0 36 74 20 13291ICPMS: Cs, Rb, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Nb, Hf, Ta, U; XRF: Ba, La, Ce, Pb, Th, Sc, V, Cr, Cu, Zn, Ga;
85CNS0761.212604-152.12081Nye, C. J.1985-01-01 SpurrSample of juvenile block from block-and-as flows deposited on the debris avalanche formed during flank collapse of ancestral Mt. Spurr (“pyroclastic fan”; sample PF-07 of Nye and Turner (1990). Very young columnar andesite at 1210' on stream E of camp. Large plag and smaller cpx phenocrysts. Plag lath-shaped 1-4 mm long. Texture unlike S1 and S3 b&a flows.85CNS07LavaWhole-rock 60.59 0.67 17.6 5.74 0.12 3.04 6.5 3.73 1.77 0.23 100.431580XRF5.74LOI=0.14XRF 34.3 562 19.6 144 6.5 7 1580XRF

SAMPLE LOCATION

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