The utility of isolated crinoid ossicles and fragmentary crinoid remains in taphonomic and paleoenvironmental analysis: an example from the Upper Pennsylvanian
of Oklahoma, United States.
Palynology and correlation of the Upper Pennsylvanian
Tobra Formation from Zaluch Nala, Salt Range, Pakistan.
Tobra Formation in Salt Range Pakistan represents the Early Permian time period.However some workers have regarded the age to be Upper Pennsylvanian
carboniferous.Lithology of Tobra Formation varies, mainly consisting of boulders with clay stone, silt stone, granet magnetite, shale and quartzite.
Trace element behavior and redox facies in core shales of Upper Pennsylvanian
The Cook Ranch Field produces from a very permeable lens of Cook Sand of lower Permian or upper Pennsylvanian
age, occurring at an average depth of 1,300 ft.
Evidence of herbivory in treefern petioles from the Calhoun Coal (Upper Pennsylvanian
) of Illinois.
scheuchzeri from the Upper Pennsylvanian
of the Appalachian Basin.
Figure 6 shows our reconstruction of upper Pennsylvanian depositional model in the study area.
This study contributes toward the understanding of the depositional history of Upper Pennsylvanian sedimentary rocks.
4 (land not surveyed in sections), in the lower part of the Finis Shale Member of the Graham Formation, Upper Pennsylvanian
missouriensis, was described by Butts (1891) from beds above the Cement City Limestone (Stephanian: Missourian, Upper Pennsylvanian
) of Kansas City, Missouri, with a brief but adequate diagnosis and an illustration drawn by the collector, Sid J.
A critical review of the Upper Pennsylvanian
floras of eastern United States with notes on the Mazon Creek Flora of Illinois, 220 p.