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198-1207B
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Core, Section, Interval (cm):
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43R-1, 56
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43R-1, 67
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43R-1, 91A
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43R-1, 105
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44R-1, 16
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44R-1, 35
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44R-1, 54
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44R-1, 62
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44R-1, 74
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44R-1, 96
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44R-1, 114
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44R-1, 133
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Whole rock mineralogy (wt%): |
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Quartz | 5.6 | 0.0 | 0.0 | 10.7 | 4.2 | 0.9 | 44.4 | 48.5 | 25.5 | 24.3 | 7.7 | 1.9 |
K-feldspar | 0.3 | 0.8 | 0.9 | 0.2 | 0.1 | 0.7 | 0.6 | 1.1 | 0.4 | 0.9 | 0.7 | 1.4 |
Plagioclase | 2.3 | 19.3 | 8.4 | 0.3 | 1.1 | 31.5 | 0.0 | 4.4 | 1.8 | 2.3 | 5.2 | 23.5 |
Opal-CT | 10.6 | 0.0 | 0.0 | 8.3 | 1.4 | 0.0 | 36.4 | 0.0 | 50.0 | 49.2 | 48.9 | 0.0 |
Calcite | 57.7 | 0.1 | 42.1 | 64.3 | 57.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Pyrite | 0.0 | 0.0 | 0.0 | 0.0 | 2.6 | 6.6 | 5.6 | 3.1 | 0.0 | 0.0 | 2.7 | 9.5 |
Marcasite | 0.0 | 0.0 | 0.0 | 0.0 | 6.1 | 0.0 | 0.0 | 1.6 | 0.0 | 0.0 | 0.3 | 0.0 |
Clinoptilolite/heulandite | 4.7 | 53.4 | 23.9 | 0.0 | 13.1 | 0.0 | 0.0 | 7.7 | 0.0 | 0.0 | 11.9 | 37.6 |
Halite | 3.0 | 0.0 | 0.0 | 1.7 | 0.0 | 0.0 | 0.0 | 1.6 | 0.5 | 0.5 | 0.0 | 0.0 |
Gypsum | 0.0 | 0.8 | 0.0 | 0.0 | 0.5 | 0.0 | 3.5 | 3.0 | 1.0 | 0.8 | 1.4 | 0.4 |
Total phyllosilicates | 15.7 | 25.7 | 24.7 | 14.4 | 13.2 | 60.4 | 9.4 | 29.0 | 20.7 | 22.1 | 21.2 | 25.7 |
Totals: | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
Phyllosilicate mineralogy (%): |
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R0 M-L I/S (80%–90%S)* | 60.5 | 67.4 | 74.5 | 36.7 | 30.4 | 96.9 | 57.6 | 38.5 | 24.4 | 32.9 | 81.8 | 97.3 |
Illite and mica | 39.5 | 32.6 | 25.5 | 62.7 | 68.5 | 3.0 | 41.4 | 60.4 | 71.6 | 64.0 | 16.5 | 2.6 |
Kaolinite | 0.0 | 0.0 | 0.0 | 0.5 | 1.0 | 0.1 | 0.9 | 1.0 | 3.3 | 2.3 | 1.2 | 0.1 |
Chlorite | 0.0 | 0.0 | 0.0 | 0.1 | 0.2 | 0.0 | 0.2 | 0.1 | 0.7 | 0.9 | 0.5 | 0.0 |
Totals: | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
Summary mineralogy (wt%): |
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Quartz | 5.6 | 0.0 | 0.0 | 10.7 | 4.2 | 0.9 | 44.4 | 48.5 | 25.5 | 24.3 | 7.7 | 1.9 |
K-feldspar | 0.3 | 0.8 | 0.9 | 0.2 | 0.1 | 0.7 | 0.6 | 1.1 | 0.4 | 0.9 | 0.7 | 1.4 |
Plagioclase | 2.3 | 19.3 | 8.4 | 0.3 | 1.1 | 31.5 | 0.0 | 4.4 | 1.8 | 2.3 | 5.2 | 23.5 |
Opal-CT | 10.6 | 0.0 | 0.0 | 8.3 | 1.4 | 0.0 | 36.4 | 0.0 | 50.0 | 49.2 | 48.9 | 0.0 |
Calcite | 57.7 | 0.1 | 42.1 | 64.3 | 57.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Pyrite | 0.0 | 0.0 | 0.0 | 0.0 | 2.6 | 6.6 | 5.6 | 3.1 | 0.0 | 0.0 | 2.7 | 9.5 |
Marcasite | 0.0 | 0.0 | 0.0 | 0.0 | 6.1 | 0.0 | 0.0 | 1.6 | 0.0 | 0.0 | 0.3 | 0.0 |
Clinoptilolite/heulandite | 4.7 | 53.4 | 23.9 | 0.0 | 13.1 | 0.0 | 0.0 | 7.7 | 0.0 | 0.0 | 11.9 | 37.6 |
Halite | 3.0 | 0.0 | 0.0 | 1.7 | 0.0 | 0.0 | 0.0 | 1.6 | 0.5 | 0.5 | 0.0 | 0.0 |
Gypsum | 0.0 | 0.8 | 0.0 | 0.0 | 0.5 | 0.0 | 3.5 | 3.0 | 1.0 | 0.8 | 1.4 | 0.4 |
R0 M-L I/S (80%–90%S)* | 9.5 | 17.3 | 18.4 | 5.3 | 4.0 | 58.5 | 5.4 | 11.2 | 5.1 | 7.3 | 17.4 | 25.0 |
Illite and mica | 6.2 | 8.4 | 6.3 | 9.1 | 9.0 | 1.8 | 3.9 | 17.5 | 14.8 | 14.1 | 3.5 | 0.7 |
Kaolinite | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.3 | 0.7 | 0.5 | 0.3 | 0.0 |
Chlorite | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.2 | 0.1 | 0.0 |
Totals: | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
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198-1213B-
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Core, Section, Interval (cm):
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8R-1, 16
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8R-1, 32
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8R-1, 66
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8R-1, 92
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8R-1, 95
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8R-1, 102
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8R-1, 105
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Whole rock mineralogy (wt%): |
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Quartz | 21.7 | 22.2 | 15.0 | 9.5 | 5.9 | 0.0 | 7.2 |
K-feldspar | 0.4 | 0.2 | 2.3 | 1.5 | 0.9 | 0.4 | 0.4 |
Plagioclase | 1.1 | 1.5 | 3.7 | 3.9 | 7.4 | 1.5 | 4.2 |
Opal-CT | 57.0 | 52.2 | 46.4 | 52.9 | 47.9 | 0.0 | 47.9 |
Calcite | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 94.1 | 0.0 |
Pyrite | 0.5 | 1.1 | 1.6 | 0.3 | 2.6 | 0.3 | 1.8 |
Marcasite | 0.0 | 0.0 | 0.0 | 0.5 | 0.0 | 0.0 | 0.0 |
Clinoptilolite/heulandite | 0.0 | 3.0 | 5.1 | 1.8 | 17.0 | 2.8 | 21.8 |
Halite | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Gypsum | 0.0 | 0.1 | 0.5 | 0.3 | 0.3 | 0.0 | 0.0 |
Total phyllosilicates | 19.3 | 19.6 | 25.6 | 29.3 | 18.1 | 0.9 | 16.6 |
Totals: | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
Phyllosilicate mineralogy (%): |
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R0 M-L I/S (80%–90%S)* | 17.0 | 33.7 | 23.1 | 32.5 | 51.1 | 76.7 | 46.9 |
Illite and mica | 82.2 | 63.7 | 72.2 | 64.7 | 46.8 | 23.3 | 53.1 |
Kaolinite | 0.3 | 0.8 | 1.1 | 0.7 | 0.7 | 0.0 | 0.0 |
Chlorite | 0.5 | 1.8 | 3.6 | 2.1 | 1.4 | 0.0 | 0.0 |
Totals: | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
Summary mineralogy (wt%): |
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Quartz | 21.7 | 22.2 | 15.0 | 9.5 | 5.9 | 0.0 | 7.2 |
K-feldspar | 0.4 | 0.2 | 2.3 | 1.5 | 0.9 | 0.4 | 0.4 |
Plagioclase | 1.1 | 1.5 | 3.7 | 3.9 | 7.4 | 1.5 | 4.2 |
Opal-CT | 57.0 | 52.2 | 46.4 | 52.9 | 47.9 | 0.0 | 47.9 |
Calcite | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 94.1 | 0.0 |
Pyrite | 0.5 | 1.1 | 1.6 | 0.3 | 2.6 | 0.3 | 1.8 |
Marcasite | 0.0 | 0.0 | 0.0 | 0.5 | 0.0 | 0.0 | 0.0 |
Clinoptilolite/heulandite | 0.0 | 3.0 | 5.1 | 1.8 | 17.0 | 2.8 | 21.8 |
Halite | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Gypsum | 0.0 | 0.1 | 0.5 | 0.3 | 0.3 | 0.0 | 0.0 |
R0 M-L I/S (80%–90%S)* | 3.3 | 6.6 | 5.9 | 9.5 | 9.2 | 0.7 | 7.8 |
Illite and mica | 15.8 | 12.5 | 18.5 | 19.0 | 8.5 | 0.2 | 8.8 |
Kaolinite | 0.1 | 0.2 | 0.3 | 0.2 | 0.1 | 0.0 | 0.0 |
Chlorite | 0.1 | 0.4 | 0.9 | 0.6 | 0.3 | 0.0 | 0.0 |
Totals: | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
Note: * = randomly ordered mixed-layer illite/smectite with 80%–90% smectite layers.