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Text Description: Given the location and compositional similarity to Dawson tephra, the pumice clast is presumed to be part of the C2 caldera forming eruption of ELVC. References: ![]() |
StationID | Latitude | Longitude | Geologist | DateVisited | Age Info | Volcano | Eruption | Location Description | Text Description | Sample ID | Sample Type 1 | Sample Type 2 | Final Unit | Material | Coeff | SiO2 | TiO2 | Al2O3 | FeOT | MnO | MgO | CaO | Na2O | K2O | P2O5 | Total-majors | REF majors | METH majors | Fe2O3/Fe203T orig | FeO/FeOT orig | Volatiles csv | METH volatiles | 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 | V | Cr | Fe | Co | Ni | Cu | Zn | Ga | Mo | As | Na | K | Ref trace1 | METH trace1 | Rb | Ba | Sr | La | Ce | Nd | Sm | Eu | Gd | Dy | Er | Yb | Lu | Y | Zr | Nb | Pb | Th | U | Sc | Ti | V | Cr | Ni | Cu | Zn | Ga | Ref trace2 | METH trace2 | Light csv | Halogen csv | other major csv | other lile csv | other ree csv | other hfse csv | other hpe csv | other tm csv | other misc csv | |
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Trader_Mountain | 55.5 | -161.89998 | Unknown, Unknown | -24050-- | Large clasts collected from the flanks of Trader Mountain, located on the SW Alaska Peninsula about 15 km north of the caldera rim of Emmons Lake volcanic center (ELVC). No coordinates provided so generic location selected on Trader Mountain. | Given the location and compositional similarity to Dawson tephra, the pumice clast is presumed to be part of the C2 caldera forming eruption of ELVC. | UT706 | Tephra Fall | Cumulate | Glass | 74.06 | 0.25 | 13.68 | 2.01 | 0.06 | 0.22 | 1.29 | 4.56 | 3.66 | 10271 | EMP | 2.01 | Cl=0.21; H2O=3.56 | EMP | 7.22 | 114 | 1140 | 121 | 33.1 | 64.1 | 9.02 | 37.6 | 9.61 | 2.01 | 10.15 | 1.62 | 9.89 | 2.14 | 7 | 1 | 7.28 | 1.22 | 66.2 | 446 | 13 | 12.02 | 0.92 | 11.55 | 4.71 | 10271 | ICP |
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