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Sedimentary(1)

Sedimentary(1) - Texture C = Clastic Sample X = Crystalline...

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Texture C = Clastic Sorting and Fossils Fossil Condition Sample X = Crystalline Mineral Roundness (leaves, clams, (largely whole or Inferred Number F = Fine Grained Composition (if applicable) corals, etc.) mostly broken?) Rock Name Depositional Conditions 1 X Microcrystalline Quartz N/A N/A N/A Chert Limestone Replacement/ Deep Marine 2 C ~75% Quartz, ~25% K-Feldspar; Moderate to poor N/A N/A Arkose Alluvial Fan/Beach/ red colour from iron oxide coatingsorting; subrounded Near-Shore 3 C/F > 95% Quartz Well to extremely N/A N/A Quartz Sandstone Beach/Near-Shore/ well sorted; subrounded Barrier Island/Inner to rounded Shelf/Dunes/Stream Channels/Tidal Flat 4 C/F mostly clay N/A ~10% if present; Largely whole Fossiliferous Floodplains/Lagoons/ leaves, clam shells Carbonaceous Shale Lakes/Deep and Shallow Marine 5 C Jasper, Quartz, Chert Poor; subrounded N/A N/A Jasper- and Cliff Base/Steep Slope/ to rounded Quartz-Rich Landslide/Cave Collapse Conglomeratic Sandstone/Sandy Conglomerate/ Brecciated Sandstone/ Sandy Breccia 6 C/X
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