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Item Number:
(470026-020) |
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REVIEWS (0)
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| Medium-grained with biotite. |
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Item Number:
(470026-040) |
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REVIEWS (0)
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| Gray, fine-grained, massive contact rock. |
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Item Number:
(470026-132) |
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REVIEWS (0)
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| Dark-green “verde antique”, containing some chlorite and calcite. |
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Item Number:
(470025-904) |
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REVIEWS (1)
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| Cross-bedded Sandstone Specialty Rock |
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Item Number:
(470026-258) |
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REVIEWS (0)
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| Typical green-gray, fissile, clay-rich. |
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Item Number:
(470015-500) |
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REVIEWS (0)
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| Gray to brown mudstone with abundant silt. |
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Item Number:
(470025-844) |
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REVIEWS (0)
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| Well-cemented, medium-grained orthoquartzite. |
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Item Number:
(470026-124) |
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REVIEWS (0)
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| Coarse crystalline, carbonate. |
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Item Number:
(470026-002) |
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REVIEWS (0)
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| White and black bands of quartz, feldspar, and biotite; typical foliation. |
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Item Number:
(470025-964) |
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REVIEWS (0)
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| Small, rounded pebbles and tightly cemented granules. |
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Item Number:
(470026-106) |
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REVIEWS (1)
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| Dense Dolostone. |
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Item Number:
(470025-924) |
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REVIEWS (0)
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| Classic, dark; from the Columbia Plateau. |
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Item Number:
(470026-120) |
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REVIEWS (0)
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| Coarse crystalline, carbonate. |
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Item Number:
(470026-030) |
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REVIEWS (0)
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| Coarse-grained, with microcline, biotite and horblende phenocrysts. |
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Item Number:
(470025-222) |
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REVIEWS (0)
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| Samples of Intrusive and Extrusive Igneous Rocks |
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Item Number:
(470025-944) |
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REVIEWS (0)
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| Black, soft; most widely mined. |
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