Show Rocks, Minerals, Fossils and Gems

[ivoire]

A bit of a stretch?

Rock Man3 by Michael Wolf, on Flickr

 

[D7k1]

Deep Water (very fine sedimate matrix), 22-30 MYO

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[PacNWMike]

Famous thrust fault.

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Creag a' Chnocain (Knockan Crag)

 

[D7k1]

Fossil Mold, 12.5 MM long, Keasey Formation (25-30 MYO)

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Have not been able to make a cast of this mold yet, so am not sure of family or species.

 

[D7k1]

Can anyone ID the inclusion in this Deep Water Mudstone from the Keasey formation? The Mollusks are about 50 mm accross. Stone is 15 CM longest direction. This pieces comes from a very large section that fell about 100'. Several other pieces have similar inclusions. Close up shows structure.

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Is it Mineral or Biological? The pieces that have this inclusion type are identical, perhaps a coral?