Speedway

File:Bioturbation in the Deadwood.jpg

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Summary

Description
English: A slab of the pinkish-red Cambrian Deadwood Sandstone float shows clear evidence of bioturbation and worm burrows. Exposed from an outcrop off SD 44, west of Rapid City.
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Author Hthundercroft

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inception

1 June 2021

exposure time

0.00037495313085864266 second

f-number

1.8

focal length

3.99 millimetre

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25

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ce426d9bd8e61d0325be98ce9f8d000a96340de4

determination method or standard: SHA-1

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1,782,160 byte

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2,718 pixel

width

2,412 pixel

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Date/TimeThumbnailDimensionsUserComment
current03:23, 3 November 2022Thumbnail for version as of 03:23, 3 November 20222,412 × 2,718 (1.7 MB)HthundercroftUploaded while editing "Deadwood Formation" on en.wikipedia.org

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