Continental bookends—the arrival and departure of the Jurassic Sea in southern England

Continental bookends—the arrival and departure of the Jurassic Sea in southern England

Rocks laid down during the Jurassic Period (201–143 Ma) in southern England are almost exclusively marine, but are sandwiched between continental deposits of the Late Triassic and Early Cretaceous. The transitions from fully continental to marine then back to continental, in response to continent mo...

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Bibliographic Details
Published in:Geology today Vol. 39; no. 5; pp. 189 - 195
Main Authors: Coram, Robert A., Radley, Jonathan D., Webster, Andrew J.
Format: Journal Article
Language:English
Published: Oxford Blackwell Publishing Ltd 01-09-2023
Subjects:
Cretaceous
Jurassic
Rocks
Sea level changes
Triassic
Online Access:Get full text
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Description
Summary:Rocks laid down during the Jurassic Period (201–143 Ma) in southern England are almost exclusively marine, but are sandwiched between continental deposits of the Late Triassic and Early Cretaceous. The transitions from fully continental to marine then back to continental, in response to continent movements and sea level change, mirror each other in important respects, taking place via intermediate environments which, although separated by approximately 60 million years, show remarkable similarities in their rocks and faunas.
ISSN:0266-6979
1365-2451
DOI:10.1111/gto.12449