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SAMPLE INFO : 85CNS39
Sample ID:85CNS39
Station ID:85CNS39
Latitude:61.214665
Longitude:-152.155676
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” of Nye and Turner (1990)). Sample PF-39 of Nye and Turner (1990). Prismatic block. Unlike s38 in hand specimen. Plag sparse, larger, tabular. Cpx rare. Check t.s. presence of 1mm equant plag hard to see in hand specimen.

General Mineralogy Description:
Unlike s38 in hand specimen. Plag sparse, larger, tabular. Cpx rare. Check t.s. presence of 1mm equant plag hard to see in hand specimen.

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
85CNS3961.214665-152.155676Nye, 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” of Nye and Turner (1990)). Sample PF-39 of Nye and Turner (1990). Prismatic block. Unlike s38 in hand specimen. Plag sparse, larger, tabular. Cpx rare. Check t.s. presence of 1mm equant plag hard to see in hand specimen.85CNS39LavaWhole-rock 59.17 0.867 17.81 0.148 2.86 6.65 3.98 1.328 0.202 100.9413291XRF6.97 0.199024775 30.44950956 470 0 10 31 3.756703316 16.22746826 3.927349389 1.245471005 4.034303387 0.65809787 4.040782158 0.827189304 2.291616687 0.344847328 2.152722197 0.34384623 20.8660076 0 4.2125577 3.00571331 0.241545282 3 2 0.93794516 21 192 9 0 2 91 23 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;
85CNS3961.214665-152.155676Nye, 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” of Nye and Turner (1990)). Sample PF-39 of Nye and Turner (1990). Prismatic block. Unlike s38 in hand specimen. Plag sparse, larger, tabular. Cpx rare. Check t.s. presence of 1mm equant plag hard to see in hand specimen.85CNS39LavaWhole-rock 58.99 0.84 17.72 6.95 0.15 2.99 6.6 4.15 1.37 0.23 100.491580XRF6.95LOI=-0.26XRF 30.1 495 19.8 108 6.3 7 1580XRF

SAMPLE LOCATION

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