. Early Pennsylvanian paleotopography and depositional environments, Rock Island County, Illinois . MIDDLE UPPER Series MARCUS RACINE WAPSIPINICON CEDAR VALLEY rTTT !SWEETLAND. _\QREEK ForiTiation WW I . I • I I 1 fc j m \& \~ hn hft|r- -rt-n- llllhil Composite section Figure 4. Composite section of Pennsylvanian, Devonian and Upper Silurian strata in the Rock Island County area. Pennsylvanian section from Searight and Smith, 1969.


Size: 4227px × 1183px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, booksubjectgeologystratigraphic, booksubjectpal