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SAMPLE INFO : FC-136a
Sample ID:FC-136a
Station ID:FC-136
Latitude:54.6
Longitude:-164.307
Datum:NAD83
Date Sampled:2000-07-21
Sample Type 1:Tephra Fall
Sample Type 2:Pumice
Text Description:
At top, Westdahl pumice is ~0.5 cm thick and CZF is 35 cm below (tan=1cm, blk=1.5 cm). Westdahl pumice is 15 cm below top of section, which is caped by ~20 cm of duff. Coarse pumice sets on top of thick clays (>5m?), which had lapilli in the upper portions at the last locality (not accessible here). Largest lithic is 71x21mm Large pumices collected out of coarse fall deposit. All reddish tan stuff.

References:
Volcanism on Unimak Island, Alaska, USA: a special focus on Shishaldin and Fisher volcanoes

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDSample Type 1Sample Type 2Geologic 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
FC-13654.6-164.307Unknown, Unknown2000-07-21 Fisher-7422--On SE low flank on W. knob outside caldera to S (~1.5 km SSW of FC-135)At top, Westdahl pumice is ~0.5 cm thick and CZF is 35 cm below (tan=1cm, blk=1.5 cm). Westdahl pumice is 15 cm below top of section, which is caped by ~20 cm of duff. Coarse pumice sets on top of thick clays (>5m?), which had lapilli in the upper portions at the last locality (not accessible here). Largest lithic is 71x21mm Large pumices collected out of coarse fall deposit. All reddish tan stuff.FC-136aTephra FallCumulateWhole-rock 63.17 0.9 16.97 5.51 0.18 1.67 4.59 4.9 1.89 0.27 98.293574XRF5.51 2.219428292 43.31662419 666.9967985 356.6823569 18.93721251 42.10849388 5.831396067 25.19994309 6.294459441 1.791345968 6.279840391 1.060152791 6.572736145 1.390366931 3.87045869 0.559631452 3.543021667 0.58203656 35.02591049 182.0066013 6.732492767 4.96113133 0.490756494 10.61039606 4.310783287 1.859839086 15.09973026 74 0 0 0 100 18 3574ICPMS: 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, Zn, Ga;

SAMPLE LOCATION

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