Linked from

The 14 pages that link to Chalk, each with the reason it gives.

• CretaceousRelated: Extensive chalk deposits gave the Cretaceous its name and preserve evidence of ancient seas.

• CoccolithophoreRelated: Coccoliths from ancient populations contributed to major chalk deposits.

• KansasRelated: The Niobrara's chalk records biological sedimentation in the inland sea.

• Niobrara FormationRelated: Chalk forms much of the formation and reflects abundant marine plankton.

• TylosaurusRelated: Some Tylosaurus fossils occur in chalk deposits that preserve ancient marine settings.

• RhizariaRelated: The shells of some foraminifera contribute to carbonate deposits that accumulate over geological time.

• IchthyornisRelated: Marine chalk preserves many Ichthyornis fossils.

• HaptophyteRelated: Many chalk deposits preserve coccoliths made by ancient haptophytes.

• ÉtretatRelated: Étretat’s pale cliffs are made largely of this easily eroded rock.