Date of Award:
Master of Science (MS)
J. Stewart Williams
The Dry Lake section of the Brazer formation, totalling 3100 feet in thickness, is an excellent exposure containing an abundance of fossils many of which are well preserved. The fauna indicates that the formation is to be correlated with the Upper Iowan end Chester series of the type Mississippian system in the Mississippi Valley section. Substantial fossil evidence indicates the following correlation for the Brazer formation members. The C unit represents the western equivalent of the Middle Meramec group, i.e., the Salem and St. Louis limestones. The D member is decidedly Ste. Genevieve in general faunal aspects but, because of the presence of some Chester fauna, it must be considered as a transition between the Meramec and New Design groups. The F member is, in most respects, typically equivalent of the Chester series.
There are also relationships to tho fauna or the Batesville and Moorefield deposits of Arkansas, to the Lower Caney shale of Oklahoma, and to the Paradise formation of Southeastern Arizona.
Yolton, James S., "The Dry Lake Section of the Brazer Foundation" (1943). All Graduate Theses and Dissertations. 6630.
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