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Claystone pebbles

ThePhysicist

By ThePhysicist

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Typical claystone pebbles - essentially mud balls that were rolled by the river current. Getting an idea of the size distribution of these pebbles might say something about the speed of the river’s flow, a task for a later date.

From the album:

Hell Creek Formation Microsite

· 101 images
  • 101 images
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  • 16 image comments

Photo Information

  • Taken with Apple iPhone SE (2nd generation)
  • Focal Length 4 mm
  • Exposure Time 1/120
  • f Aperture f/1.8
  • ISO Speed 50
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Jaybot

Jaybot

Posted

Is there a possibility of fossil inside these river 'mudballs'?

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ThePhysicist

ThePhysicist

Posted

On 6/7/2024 at 1:00 PM, Jaybot said:

Is there a possibility of fossil inside these river 'mudballs'?

Good question, fossils of plants (unidentifiable debris, seeds, amber, palynomorphs) may be found in some. I discuss it more thoroughly in the album's accompanying thread: "A Comprehensive Sampling of the Hell Creek Formation"

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