The petrology of the Samford granodiorite

Gradwell, Richard The petrology of the Samford granodiorite. Brisbane: University of Queensland Press, 1955.

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Author Gradwell, Richard
Title The petrology of the Samford granodiorite
Place of Publication Brisbane
Publisher University of Queensland Press
Publication year 1955
Sub-type Research book (original research)
Open Access Status File (Publisher version)
Volume 4
Series Papers (University of Queensland. Dept. of Geology) ; v. IV no. 7.
Language eng
Total number of pages 37
Collection year 1955
Subjects 260100 Geology
Formatted Abstract/Summary

The post-orogenic Samford granodiorite is emplaced in geosynclinal deposits which have undergone low grade metamorphism. Detailed investigation of contact zones has shown that there can be all gradations from hornfels to a granodiorite due to recrystallisation and replacement. During these changes there was a concentration of femic material, and in the granodiorite this now appears as xenoliths. Although it is recognised- from field occurrences that some upward movement of the mass occurred, it is concluded from petrological studies that most of the granodiorite originated, at some level, by replacement of the country rocks.

Keyword Granodiorite
Q-Index Code AX
Q-Index Status Provisional Code
Institutional Status UQ

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