“Charmouth Mudstone Formation”的意思、由来-开放百科全书

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Charmouth Mudstone Formation

释义

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References

{{Infobox rockunit
| name = Charmouth Mudstone Formation
| image = Beach at Charmouth - geograph.org.uk - 1184655.jpg
| caption = Cliffs of the Charmouth Mudstone Formation at Charmouth, Dorset.
| type = Formation
| age = {{fossilrange|Sinemurian|Pliensbachian|Sinemurian–Pliensbachian}}
| period = Pliensbachian
| prilithology = shale, mudstone
| otherlithology = limestone, sand
| namedfor = Charmouth
| namedby =
| region = England
| country = United Kingdom
| coordinates =
| unitof = Lias Group
| subunits = Shales With Beef Member, Black Ven Marl Member, Belemnite Marl Member, Green Ammonite Member
| underlies = Dyrham Formation, Marlstone Rock Formation
| overlies = Blue Lias Formation
| thickness = ~335 m
| extent =
| area = Wessex Basin, Worcester Basin, East Midland Shelf
| map =
| map_caption =
}}

The Charmouth Mudstone Formation is a geological formation in England. It preserves fossils dating back to the early part of the Jurassic period (Sinemurian–Pliensbachian).^[1]

References

1. ^{{Cite web |url=http://www.bgs.ac.uk/lexicon/lexicon.cfm?pub=CHAM |title=Charmouth Mudstone Formation |last=British Geological Survey |website=BGS Lexicon of Named Rock Units |access-date=2018-03-08}}

{{cite web|title= Fossilworks: Gateway to the Paleobiology Database|author= Various Contributors to the Paleobiology Database|url= http://www.fossilworks.org/|accessdate= 8 July 2014|deadurl= yes|archiveurl= https://web.archive.org/web/20140731140924/http://fossilworks.org/|archivedate= 31 July 2014|df= }}

1 : Jurassic England

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References