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SAMPLE INFO : 06AUMC008a.f
Sample ID:06AUMC008a.f
Station ID:06AUMC008
Latitude:59.33085
Longitude:-153.3952
Datum:NAD83
Date Sampled:2006-02-20
Sample Type 1:Lahar
Sample Type 2:Hand-picked juvenile scoria
Final Unit:2006_ExLh
 Text Description:
Felsic portion of a large piece of banded scoria, total initial sample weight 5 kg. 15% light colored bands, 85% dark colored bands. Light bands up to 2 cm thick, hosted in the dark portions. Light bands shear down to sub-mm streaks (smaller than individual phenocrysts). The light portion is 15% gray throughout, with a very minor pinkish tinge on the outsides. 20% plagioclase, 1-3mm; <5% pyroxene 0.5 to 1mm; very light gray microcrystalline groundmass with abundant angular and irregular voids down to <<1 mm.

References:
Petrology and geochemistry of the 2006 eruption of Augustine Volcano

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
06AUMC00859.33085-153.3952Coombs, M. L.2006-02-20 Augustine2005-12-Just above SE BeachFelsic portion of a large piece of banded scoria, total initial sample weight 5 kg. 15% light colored bands, 85% dark colored bands. Light bands up to 2 cm thick, hosted in the dark portions. Light bands shear down to sub-mm streaks (smaller than individual phenocrysts). The light portion is 15% gray throughout, with a very minor pinkish tinge on the outsides. 20% plagioclase, 1-3mm; <5% pyroxene 0.5 to 1mm; very light gray microcrystalline groundmass with abundant angular and irregular voids down to <<1 mm. 06AUMC008a.fLaharBlock2006_ExLhWhole-rock 60.17 0.632 16.98 5.9 0.132 3.99 7.53 3.65 0.88 0.14 98.685492XRF5.9 0.34651585 15.64958423 382.5390004 311.5324098 9.623420057 20.80697796 2.854736207 12.53446585 3.166361183 1.031222039 3.381238081 0.57401364 3.716668323 0.781325754 2.217201192 0.341543154 2.172679633 0.357991417 20.28765759 93.8303951 2.431600835 2.776685943 0.180812618 2.044612031 1.812730374 0.726747835 18.59465136 161 59 0 32 60 18 5492ICPMS: 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, Cu, Zn, Ga;

SAMPLE LOCATION

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