JURASSIC BIVALVE - 190 million years old - Scunthorpe, Lincolnshire
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190 million years old
A lovely example of a bivalve from the classic Frodingham Ironstone quarries at Scunthorpe. It consists of a matrix-free, beautifully preserved single valve with a green coating of the mineral chamosite, an iron silicate.
190 million years old
Frodingham Ironstone
Crosby Warren Quarry, Scunthorpe, Lincolnshire
Collected in the 1980s and from an old collection. The ironstone quarries at Scunthorpe have long since closed.
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Size: 7 x 4 x 1 centimetres
Weight: 28 grams