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Text Description: Older lava of ancestral Mt. Trident. Porphyritic andesite on the NNE-SSW trending ridge to the east of Mt. Trident, rarely aphanitic. References:  Geochemistry and petrology of the Mt. Trident andesites, Katmai National Monument, Alaska |
| StationID | Latitude | Longitude | Geologist | DateVisited | Age Info | Volcano | Eruption | Location Description | Text Description | Sample ID | Sample Type 1 | Sample Type 2 | Final Unit | Material | 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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| KT-18 | 58.2343 | -155.1026 | Ray, D. K. | 1965-01-01 | Trident | NNE-SSW trending ridge to the east of Mt. Trident | Older lava of ancestral Mt. Trident. Porphyritic andesite on the NNE-SSW trending ridge to the east of Mt. Trident, rarely aphanitic. | KT-18 | Lava | Whole-rock | Water free 61.77 | Water free 0.52 | Water free 17.5 | 6.2 | Water free 0.13 | Water free 2.76 | Water free 5.8 | Water free 3.78 | Water free 1.35 | Water free 0.14 | Water free 100.01 | 854 | NN | 3.62 | 2.92 | H2OM=0.33; H2OP=0.68 | NN | units are weight percent 0.004 | units are weight percent 0.0005 | 854 | NN |
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