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Sample ID:ANI-15-1
Station ID:ANI-15-1
Date Sampled:2002-07-11
Sample Type 1:Tephra Fall
Final Unit:Brown Pumice
Text Description:
Brown breadcrust bomb/pyroclast in uppermost Brown Pumice fall agglutinate

Postglacial eruptive history, geochemistry, and recent seismicity of Aniakchak Volcano, Alaska
The ~400 yr b.p. eruption of Half-Cone, a post-caldera composite cone within Aniakchak Caldera, Alaska Peninsula

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
ANI-15-156.9286-158.216Browne, B. L.2002-07-11 AniakchakHalf ConeBrown breadcrust bomb/pyroclast in uppermost Brown Pumice fall agglutinateANI-15-1Tephra FallCumulateBrown PumiceWhole-rock 58.16678015 1.195578163 16.4717427 8.254896463 0.200264349 3.104097409 6.849040734 3.965234109 1.4919694 0.300396523 99.8689191XRF8.254896463 1.524894403 32.43371739 473.3454811 361.7693509 14.64527978 31.89055394 4.400744926 19.66586255 4.976004018 1.600166328 5.321594726 0.904300144 5.593502627 1.146290814 3.222413709 0.466713962 2.87019754 0.471128754 29.40364348 124.1522321 7.226992894 3.480101745 0.491200857 5.580847031 3.19596069 1.383687852 26.39318364 200 11 3 25 92 20 9191ICPMS: 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;


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