|
Text Description: A dense porphyritic, olive basalt, light brownish-gray (5YR 6/1). About 85 per cent phenocrysts, chiefly plagioclase, salite, and olivine. Plagioclase clear, ranging in size from 2 to 0.2 mm, in composition from An98 to An54, with a median of about An67. Extreme outer zones reach An10. Salite crystals are greenish-black (5G 3/1) in hand specimen, reaching a size of 4mm. NX is 1.701 and nZ 1.728, corresponding to salite with atomic proportions of Fe25Ca50Mg25. Olivine, which is sparse, reaches a size of about 1mm, in honey-yellow (10YR 6/4) crystals, with nY about 1.714, corresponding to Fa30. 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 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
46AC36 | 51.9898 | -176.58705 | Unknown, Unknown | 1946-01-01 | Adagdak | From interbedded basaltic lava flows and tuffaceous sandstones, at a point 4,550 feet south and 5 degrees west of triangulation station "Clam", and about 4,000 feet northeast from the northeast corner of Clam Lagoon. | A dense porphyritic, olive basalt, light brownish-gray (5YR 6/1). About 85 per cent phenocrysts, chiefly plagioclase, salite, and olivine. Plagioclase clear, ranging in size from 2 to 0.2 mm, in composition from An98 to An54, with a median of about An67. Extreme outer zones reach An10. Salite crystals are greenish-black (5G 3/1) in hand specimen, reaching a size of 4mm. NX is 1.701 and nZ 1.728, corresponding to salite with atomic proportions of Fe25Ca50Mg25. Olivine, which is sparse, reaches a size of about 1mm, in honey-yellow (10YR 6/4) crystals, with nY about 1.714, corresponding to Fa30. | 46AC36 | Lava | Whole-rock | 48.16 | 0.92 | 17.9 | 10.36 | 0.17 | 6.15 | 11.86 | 2.99 | 1 | 0.3 | 100.18 | 1085 | NN | 4.48 | 6.3 | H2OP=0.04; H2OM=0.1 | NN | 24 | 252 | 458 | 8.85 | 20.1 | 13 | 3.46 | 1.1 | 3.54 | 3.59 | 2.32 | 1.98 | 21.3 | 72 | 6 | 35 | 341 | 34 | 23 | 83 | 155 | DCP | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
46AC36 | 51.9898 | -176.58705 | Unknown, Unknown | 1946-01-01 | Adagdak | From interbedded basaltic lava flows and tuffaceous sandstones, at a point 4,550 feet south and 5 degrees west of triangulation station "Clam", and about 4,000 feet northeast from the northeast corner of Clam Lagoon. | A dense porphyritic, olive basalt, light brownish-gray (5YR 6/1). About 85 per cent phenocrysts, chiefly plagioclase, salite, and olivine. Plagioclase clear, ranging in size from 2 to 0.2 mm, in composition from An98 to An54, with a median of about An67. Extreme outer zones reach An10. Salite crystals are greenish-black (5G 3/1) in hand specimen, reaching a size of 4mm. NX is 1.701 and nZ 1.728, corresponding to salite with atomic proportions of Fe25Ca50Mg25. Olivine, which is sparse, reaches a size of about 1mm, in honey-yellow (10YR 6/4) crystals, with nY about 1.714, corresponding to Fa30. | 46AC36 | Lava | Whole-rock | H2OP=0.04; H2OM=0.1 | NN | units are percent 0.03 | units are percent 0.08 | units are percent 0 | units are percent 0.004 | units are percent 0 | 0.02 | units are percent 0.002 | 0.002 | units are percent 0.0018 | units are percent 0.003 | units are percent 0.0009 | units are percent 0 | units are percent 0 | 1085 | SPEC |
This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G22AC00137
Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.