S-57
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Fact sheet
Description: 

This is a bio-oo-micrite. It is from the Portland Limestone. It has been partly silicified and the thin section straddles the boundary between limestone and chert nodule.

In Place
In Time
Accuracy:
Location precision: 
Good
Timescale:
Timescale: 
Jurassic
Ma = Millions of years ago
In Focus
Collection:
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Type:
Type: 
sedimentary
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Category:

Category:

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Rock-forming minerals:

Rock forming mineral:

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