. Early Pennsylvanian paleotopography and depositional environments, Rock Island County, Illinois. Geology, Stratigraphic; Paleobotany; Paleobotany. System Group Formation Pi Composite Section 7W ^kl. MC CORMICK CASEYVILLE rTTT7 1 ABBOTT Group Formation Composite Section cr 3 O co o O Q 3 rr SILURIAN DEVONIAN System NIAGARAN. 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 Islan
. Early Pennsylvanian paleotopography and depositional environments, Rock Island County, Illinois. Geology, Stratigraphic; Paleobotany; Paleobotany. System Group Formation Pi Composite Section 7W ^kl. MC CORMICK CASEYVILLE rTTT7 1 ABBOTT Group Formation Composite Section cr 3 O co o O Q 3 rr SILURIAN DEVONIAN System NIAGARAN. 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, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Leary, Richard L; Trask, C. Brian; Geological Society of America. North-Central Section. Meeting (19th : 1985 : Northern Illinois University). Champaign, Ill. : Illinois State Geological Survey
Size: 2989px × 836px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, booksubjectgeologystratigraphic, booksubjectpal
