The Chalk Marl is a geologic formation in England.

[1] Consisting of mixed and layered chalk and marl, it preserves fossils dating back to the Cretaceous period.

The Channel Tunnel was bored through Chalk Marl for its entire length.

This article about a specific stratigraphic formation in the United Kingdom is a stub.

You can help Wikipedia by expanding it.This article related to the Cretaceous period is a stub.