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Early Pennsylvanian Paleotopography and Depositional Environments, Rock Island County, Illinois

机译:早期的宾夕法尼亚古地貌和沉积环境,伊利诺伊州罗克岛县

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The Geological Society of America,North-Central Section, presents this one-day field trip to Rock Island County, Illinois, where you will have the opportunity to examine the pre-Pennsylvanian unconformity, overlying sediments, and an early Pennsylvanian upland compression flora. The guidebook itself is a reprint of Leary (1979). Some revisions have been made to update the guidebook with new exposures, new data, and new references. The geology of the field-trip area has been discussed by Leary (1981). Phillips and Peppers (1984) have summarized regional paleoenvironmental patterns of coal swamps and discussed the effect of climate on coal occurrence in Euramerican coal fields.

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