Inorganic Land-Derived Sedimentary Rocks

Flowchart nodes

• Texture

• Clastic

• Pebbles, cobbles, and/or boulders embedded in sand, silt, and/or clay

• Grain Size

• Composition

• Comments

• Rock Name

• Sand (0.006 to 0.2cm)

• Silt(0.0004 to 0.006cm)

• Clay(less than 0.0004cm)

• Mostly quartz, feldspar, and clay minerals; may contain fragments of other rocks and minerals

• Rounded Fragments

• Angular Fragments

• Fine to coarse

• Very fine grain 

• Compact, may split easily

• Conglomerate

• Breccia

• Sandstone (sst)

• Siltstone

• Shale