| 词条 | Chalk Marl |
| 释义 |
| name = Chalk Marl | image = | caption = | type = Formation | age = Cretaceous | prilithology = | otherlithology = | namedfor = | namedby = | region = England | country = United Kingdom | coordinates = | unitof = | subunits = | underlies = | overlies = | thickness = | extent = | area = | map = | map_caption = }} The Chalk Marl is a geologic formation in England.[1] It preserves fossils dating back to the Cretaceous period. See also{{Portal|Earth sciences|England|Paleontology|Cretaceous|Paleozoic}}
References1. ^{{Cite web|title = Welcome to the White Cliffs Countryside Project Page - What is chalk?|url = http://whitecliffscountryside.org.uk/index.php?id_sec=2&id_sub=2|website = whitecliffscountryside.org.uk|access-date = 2016-02-20}}
1 : Cretaceous England |
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