Home > Iowa Academy of Science > Journals & Newsletters > Proceedings of the Iowa Academy of Science > Volume 1 (1893) > Part 2, 1890-1891; (1887) -
Document Type
Research
Abstract
At various places in the Archaean areas of Missouri the granites and porphyries are cut by dikes of basic rocks which usually trend N. E. and: S. W. but occasionally in other directions. The dike rocks are comparatively constant in composition. When holo-crystalline they are a diabase, or an olivine diabase, and when less perfectly crystallized they generally correspond to diabase porphyrite.
Publication Date
1890
Journal Title
Proceedings of the Iowa Academy of Sciences
Volume
1
Issue
Pt. 2
First Page
33
Last Page
35
Copyright
©1890 Iowa Academy of Science, Inc.
Language
en
File Format
application/pdf
Recommended Citation
Haworth, Erasmus
(1890)
"Notes on Missouri Minerals,"
Proceedings of the Iowa Academy of Science, 1(Pt. 2), 33-35.
Available at:
https://scholarworks.uni.edu/pias/vol1/iss2/21