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  • Home
  • People
    • Primary Investigators
    • Grad Students
  • Internships
    • About internship
    • Previous interns
  • Research
    • Publications
  • Resources
    • Ground Stone Use-Wear
    • News
  • Gallery
  • Contact Us

Sandstone

gO TO bASALT AND ANDESITE

Natural Sandstone Surface (Quartz Arenite)


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Natural sandstone surface, 10x
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Natural sandstone surface, 10x (focus stacked image)
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Natural sandstone surface, 20x
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Natural sandstone surface, 20x (focus stacked image)
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Natural sandstone surface, 40x 
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Natural sandstone surface, ​40x (focus stacked image)
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Natural sandstone surface, 60x
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Natural sandstone surface, 60x (focus stacked image)

Pecked Sandstone Surface (Quartz Arenite)


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Pecked sandstone surface, 10x      

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Pecked sandstone surface, 10x (focus stacked image)
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Pecked sandstone surface, 20x​
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Pecked sandstone surface, 20x (focus stacked image)​
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Pecked sandstone surface, 40x​
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Pecked sandstone surface, 40x (focus stacked image)
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Pecked sandstone surface, 60x
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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
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Sandstone shallow basin grinding slab use-surface, 10x​
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Sandstone shallow basin grinding slab use-surface, 10x (focus stacked)​
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Sandstone shallow basin grinding slab use-surface, 20x​
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Sandstone shallow basin grinding slab use-surface, 20x (focus stacked)​
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Sandstone shallow basin grinding slab use-surface, 60x​
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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
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Sandstone handstone use-surface, 10x
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Sandstone handstone use-surface, 10x (focus stacked)
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Sandstone handstone use-surface, 20x​
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Sandstone handstone use-surface, 20x (focus stacked)
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Sandstone handstone use-surface, 40x​
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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
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Sandstone grinding slab use-surface, 10x
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Sandstone grinding slab use-surface, 10x (focus stacked)
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​Sandstone grinding slab use-surface, 40x
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Sandstone grinding slab use-surface, 40x (focus stacked)
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​Sandstone grinding slab use-surface, 60x
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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
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Sandstone shallow mortar use-surface, 10x
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Sandstone shallow mortar use-surface, 10x (focus stacked)
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Sandstone shallow mortar use-surface, 20x​
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Sandstone shallow mortar use-surface, 20x (focus stacked)
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Sandstone shallow mortar use-surface, 60x​
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​Sandstone shallow mortar use-surface, 60x (focus stacked)
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