Sedimentology, Environment of Deposition & Preservation
Further information: Beecher’s Trilobite type preservationThe original Beecher's Trilobite Bed is found within a thick succession of fine grained turbidite beds, the fossiliferous bed is about 40 mm thick laying on a scoured mudstone surface with remnants of burrows. Well preserved fossil remains are found 7–10 mm above the base parallel to the bedding plane, strongly aligned by the current, with as many facing up as down. Chemically, the bed contains high iron coupled with low organic carbon and low organic sulphur.
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