Middleton, Gerard V. (1960) Spilitic Rocks in South-east Devonshire. Geological Magazine, 97 (3) 192-207 doi:10.1017/s0016756800061379

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Reference Type	Journal (article/letter/editorial)
Title	Spilitic Rocks in South-east Devonshire
Journal	Geological Magazine
Authors	Middleton, Gerard V.		Author
Year	1960 (June)	Volume	97
Page(s)	192-207	Issue	3
Publisher	Cambridge University Press (CUP)
DOI	doi:10.1017/s0016756800061379
Mindat Ref. ID	248964	Long-form Identifier	mindat:1:5:248964:7
GUID	172da59a-fd90-4047-bd89-2acfe4ff6fae
Full Reference	Middleton, Gerard V. (1960) Spilitic Rocks in South-east Devonshire. Geological Magazine, 97 (3) 192-207 doi:10.1017/s0016756800061379
Plain Text	Middleton, Gerard V. (1960) Spilitic Rocks in South-east Devonshire. Geological Magazine, 97 (3) 192-207 doi:10.1017/s0016756800061379
In	(1960, June) Geological Magazine Vol. 97 (3) Cambridge University Press (CUP)
Abstract/Notes	AbstractVolcanism began in South-east Devonshire with the extrusion of keratophyric tuffs in the Lower Devonian. The majority of extra ves in the Middle and Upper Devonian are basic spilites but there are intermediate varieties. Volcanism in the Middle Devonian was local and in the Ashprington area appears to have been continuous throughout the epoch. At the beginning of the Upper Devonian keratophyric crystal and vitric tuffs were extruded in the Dartington area. Later in the Upper Devonian the Chipley pillow lavas were extruded: it is shown that these lavas were widespread and may probably be correlated with similar lavas at Pentire Head in North Cornwall. The final phase of volcanism is represented by the intrusion of swarms of sill-like bodies of spilitic dolerites in Upper Carboniferous times. Intrusive and extrusive rocks are distinguished, mapped, and classified petrographically

References Listed

These are the references the publisher has listed as being connected to the article. Please check the article itself for the full list of references which may differ. Not all references are currently linkable within the Digital Library.

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Middleton, Gerard V. (1960) Spilitic Rocks in South-east Devonshire. Geological Magazine, 97 (3) 192-207 doi:10.1017/s0016756800061379

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