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Item Number:
(470026-218) |
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REVIEWS (0)
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| Gray to brown mudstone with abundant silt. |
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Item Number:
(470024-968) |
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REVIEWS (0)
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| Designed for Introductory College Petrography Labs. |
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Item Number:
(470026-268) |
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REVIEWS (0)
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| Black, fissile; commonly with carbonized fossil plant impressions. |
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Item Number:
(470026-098) |
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REVIEWS (0)
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| Gray to buff, with numerous ooliths and fossil fragments. |
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Item Number:
(470015-494) |
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REVIEWS (0)
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| Light grayish green, fine-grained, well-foliated, schistose. |
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Item Number:
(470025-842) |
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REVIEWS (0)
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| Well-cemented, medium-grained orthoquartzite. |
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Item Number:
(470026-278) |
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REVIEWS (0)
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| Slaty cleavage; contains hematite. |
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Item Number:
(470026-006) |
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REVIEWS (0)
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| Pink and gray bands, with biotite; shows good foliation. |
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Item Number:
(470025-926) |
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REVIEWS (0)
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| Dark gray with abundant gas pocket vesicles. |
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Item Number:
(470025-920) |
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REVIEWS (0)
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| Classic, dark; from the Columbia Plateau. |
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Item Number:
(470026-080) |
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REVIEWS (0)
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| Buff, coarse, crystalline “Austin Marble” with shell casts and molds. |
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Item Number:
(470026-090) |
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REVIEWS (0)
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| Gray with line crinoid columnal fragments. |
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Item Number:
(470025-952) |
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REVIEWS (0)
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| Brownish black, intermediate stage between peat and bituminous coal. |
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Item Number:
(470026-012) |
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REVIEWS (0)
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| Fine to medium-grained with biotite. |
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Item Number:
(470026-214) |
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REVIEWS (0)
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| Hematite-cemented quartz; orthoquartzite. |
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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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