Arkose Sandstone Specimen (Sedimentary Rock), Arkose Sandstone is clastic sedimentary rock made up of angular, poorly-sorted sand-size grains., Pack of 12

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Arkose is a clastic sedimentary rock made up of angular, poorly-sorted sand-size grains. The large, proximal nature of the clasts in arkose make this a useful specimen for identifying the provenance and interpreting the depositional environment for the rock.