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. Today this formation within the Chalk Group is called the West Melbury Marly Chalk Formation.
| Chalk Marl | |
|---|---|
| Stratigraphic range: Aptian | |
| Type | Formation |
| Unit of | Chalk Group |
| Location | |
| Region | England |
| Country |  United Kingdom |
The Channel Tunnel was bored through Chalk Marl for its entire length.[2]
See also
editReferences
edit- ^ "Welcome to the White Cliffs Countryside Project Page - What is chalk?". whitecliffscountryside.org.uk. Retrieved 20 February 2016.
- ^ Rankin, Bill; Williams, Ron (2012). "Channel Tunnel". The Geological Society. The Geological Society of London. Retrieved 1 February 2022.
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