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| rock > igneous rock > hypermelanocratic rock |
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| hypermelanocratic rock | ||||
| subject | fact | |||
| hypermelanocratic rock | is a kind of igneous rock |  |
| has definition very dark colored rock with color index greater than 90 | | |
| has shade very dark | | |
| has color index 90 or greater | | |
| igneous rock | has composition silicates (with very few exceptions) | |
| has solidification mechanism | | |
| has solidification timescale | | |
| rock | has part mineral | |
| has texture | | |
| has genesis | |