Title: Some mineralogical and geochemical aspects of middle and upper Pennsylvanian marine black shales in part of the midcontinent region
First published: 1992
Subjects: Geochemistry, Geology, Stratigraphic, Mineralogy, Shale, Stratigraphic Geology
Places: Middle West
Time periods: Pennsylvanian
LC classification: QE75 .B9 no. 1989-A-C, TN23.4 .B9 no. 1989-A-C