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Text Description: Blocky boulders at the top of Horseshoe Mesa. Base of flow marked by zone of oxidation. Hand sample contains 10-15% small (<<1 mm) plagioclase, 2-3% <<1 mm opaque minerals, and 1% << 1mm iridescent olivine in a vesicular (2-3% 1-2 mm) pink-gray sugary groundmass. 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 | 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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95-ASL-42 | 62.16 | -143.10998 | Lunt, A. S. | Gordon | Lower section, Horseshoe Mesa. NE 1/4, NW 1/4, Sec 6, T4N, R12E, Nabesna A-5 quad, Alaska | Blocky boulders at the top of Horseshoe Mesa. Base of flow marked by zone of oxidation. Hand sample contains 10-15% small (<<1 mm) plagioclase, 2-3% <<1 mm opaque minerals, and 1% << 1mm iridescent olivine in a vesicular (2-3% 1-2 mm) pink-gray sugary groundmass. | 95-ASL-42 | Lava | Whole-rock | 50.12 | 2 | 16.96 | 10.94 | 0.18 | 7 | 8.2 | 3.84 | 0.6 | 0.37 | 99.78 | 6122 | DCP | 11.98 | 10.94 | LOI=-0.23 | DCP | 6 | 209 | 536 | 13 | 33 | 28 | 170 | 7.8 | 26 | 204 | 183 | 74 | 51 | 74 | 19 | 6122 | DCP |
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