Sandstone

gO TO bASALT AND ANDESITE

Natural Sandstone Surface (Quartz Arenite)

Natural sandstone surface, 10x

Natural sandstone surface, 10x (focus stacked image)

Natural sandstone surface, 20x

Natural sandstone surface, 20x (focus stacked image)

Natural sandstone surface, 40x

Natural sandstone surface, 40x (focus stacked image)

Natural sandstone surface, 60x

Natural sandstone surface, 60x (focus stacked image)

Pecked Sandstone Surface (Quartz Arenite)

Pecked sandstone surface, 10x

Pecked sandstone surface, 10x (focus stacked image)

Pecked sandstone surface, 20x

Pecked sandstone surface, 20x (focus stacked image)

Pecked sandstone surface, 40x

Pecked sandstone surface, 40x (focus stacked image)

Pecked sandstone surface, 60x

Pecked sandstone surface, 60x (focus stacked image)

Sandstone Shallow Basin Grinding Slab Use-Surface, Indian Ricegrass Seed (Achnatherum hymenoides)

Tool Material: Quartz Arenite Sandstone, Pecked Surface
Processed Material: Indian Ricegrass
Processing Motions: Primarily grinding, some crushing
Use time: 6 hours

Sandstone shallow basin grinding slab use-surface, 10x

Sandstone shallow basin grinding slab use-surface, 10x (focus stacked)

Sandstone shallow basin grinding slab use-surface, 20x

Sandstone shallow basin grinding slab use-surface, 20x (focus stacked)

Sandstone shallow basin grinding slab use-surface, 60x

Sandstone shallow basin grinding slab use-surface, 60x (focus stacked)

Sandstone Handstone Use-Surface, Indian Ricegrass Seed (Achnatherum hymenoides)

Tool Material: Quartz Arenite Sandstone, Pecked Surface
Processed Material: Indian Ricegrass seed
Processing Motions: Primarily grinding, some crushing
Use time: 6 hours

Sandstone handstone use-surface, 10x

Sandstone handstone use-surface, 10x (focus stacked)

Sandstone handstone use-surface, 20x

Sandstone handstone use-surface, 20x (focus stacked)

Sandstone handstone use-surface, 40x

Sandstone handstone use-surface, 40x (focus stacked)

Sandstone Shallow Basin Grinding Slab Use-Surface, Black Oak Acorn (Quercus kelloggii)

Tool Material: Quartz Arenite Sandstone, Pecked Surface
Processed Material: Black Oak Acorn after Indian Ricegrass
Processing Motions: Crushing, grinding, and pounding
Use time: 2 hours of acorn processing after 6 hours of Indian Ricegrass seed processing

Sandstone grinding slab use-surface, 10x

Sandstone grinding slab use-surface, 10x (focus stacked)

Sandstone grinding slab use-surface, 40x

Sandstone grinding slab use-surface, 40x (focus stacked)

Sandstone grinding slab use-surface, 60x

Sandstone grinding slab use-surface, 60x (focus stacked)

Sandstone Shallow Mortar

Tool Material: Arkose Sandstone, Pecked Surface
Processed Material: Indian Ricegrass
Processing Motions: Primarily grinding, some crushing
Use time: 6 hours