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SAMPLE INFO : 2005JDDS01
Sample ID:2005JDDS01
Station ID:2005JDDS01
Latitude:63.97597
Longitude:-148.6908
Datum:NAD83
Date Sampled:2005-01-01
Sample Type 1:Lava
Sample Type 2:Dome
Text Description:
20 pct hornblende, 4x1mm in finegrained holocrystalline pink groundmass. Notable lack of plagioclase phenocrysts. Sample derived from massive, frost-rived blocks of dacite, on the north-northeast edge of the summit area. Athey and others (2006) published a 40Ar/39Ar plateau age for this sample of 1.026 ± 0.057 Ma.

References:
Bedrock geologic map of the Liberty Bell area, Fairbanks A-4 Quadrangle, Bonnifield mining district, Alaska
Jumbo Dome, Interior Alaska: Whole-rock, major- and trace-element analyses

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
2005JDDS0163.97597-148.6908Stevens, D. P.2005-01-01 Jumbo DomeNorth-northeast edge of the summit area of Jumbo Dome20 pct hornblende, 4x1mm in finegrained holocrystalline pink groundmass. Notable lack of plagioclase phenocrysts. Sample derived from massive, frost-rived blocks of dacite, on the north-northeast edge of the summit area. Athey and others (2006) published a 40Ar/39Ar plateau age for this sample of 1.026 ± 0.057 Ma.2005JDDS01LavaWhole-rock 59.17546921 0.650120695 17.45917564 5.538196966 0.109327269 4.04798997 7.553579207 2.96162163 2.32108413 0.183445395 98.923179941XRF5.538196966 0.592878341 35.32876497 1178.934078 1071.840451 16.03779327 30.66576562 3.751296977 14.98162137 3.192678149 1.012436291 2.81247564 0.431426847 2.605743755 0.519672259 1.430828149 0.20668251 1.31904771 0.218757998 13.59504455 112.6548824 5.955213831 3.389204919 0.388113083 5.507795702 3.824314942 1.32490885 16.49649475 171.6 29.3 16.1 50.7 62.6 19.8 9941ICPMS: 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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