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SAMPLE INFO : 08JRSCH056
Sample ID:08JRSCH056
Station ID:08JRSCH056
Latitude:57.11882
Longitude:-157.04798
Datum:NAD83
Date Sampled:2008-08-29
Sample Type 1:Lava
Field Lithology:Andesite
Final Unit:Hls
Text Description:
Gray, sugary groundmass; abundant 1mm plagioclase (plag), orthopyroxene (opx), clinopyroxene (cpx); plag>opx>cpx. This lava lies stratigraphically below the leveed flow upslope from here.

References:
Geologic map of Mount Chiginagak volcano, Alaska

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
08JRSCH05657.11882-157.04798Schaefer, J. R. G.2008-08-29 14000 ± 10000 40Ar/39Ar; plateau ageChiginagakWest side lavas in cliff across former snow filled valley from 055. Older? Lava flow beneath leveed flow that heads near the summit.Gray, sugary groundmass; abundant 1mm plagioclase (plag), orthopyroxene (opx), clinopyroxene (cpx); plag>opx>cpx. This lava lies stratigraphically below the leveed flow upslope from here.08JRSCH056LavaHlsWhole-rock 58.24864047 0.866275361 17.84689311 6.972319896 0.151052677 3.60516372 7.775939185 3.121700913 1.251149399 0.160865275 99.3276936413271XRF6.972319896 0.564130412 26.98214065 452.6580497 354.1861186 15.06970566 31.67105111 4.288338758 18.14133811 4.364088956 1.260641871 4.588890261 0.763590365 4.719232051 0.99361548 2.699023808 0.406175702 2.547867718 0.408208174 25.6143486 119.7565048 6.192112521 3.25617742 0.430242582 4.003047548 2.711947388 0.996284771 22.92755095 195.2 14.5 5.264515527 31.5 76.8 18.4 13271ICPMS: Cs, Rb, Ba, Sr, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Zr, Nb, Hf, Ta, Pb, Th, U, Sc; XRF: V, Cr, Ni, Cu, Zn, Ga;

SAMPLE LOCATION

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