Crab Concretions - Unprepared Fossil Quality:Standard Mined from: British Columbia

Mined from: British Columbia

because only the smallest sizes can be used for this

or any other rotary mill

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Base (universal)Size approximately: 45mm x 14mm x 12mmWeight approximately: 1

Crab Concretions - Unprepared Fossil Quality:Standard Mined from: British ColumbiaMined from: Isle Of Sheppey, England Era: Cenozoic Geological Age: Approximately 33. 9 56 million years ago Description: These crab fossils from the Isle of Sheppey, England, offer a fascinating glimpse into prehistoric marine life. These fossils date back to the Eocene epoch, placing them roughly between 56 and 33. 9 million years ago, during the Paleogene period. At this time, the area that is now the Isle of Sheppey was submerged under a shallow