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By C. Blaine Cecil, James C. Cobb, Donald R. Chestnut Jr., Heinz Damberger, Kenneth J. Englund

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Published via the yank Geophysical Union as a part of the Field journey Guidebooks Series.

This guidebook used to be ready for a box journey to be performed ahead of the graduation of the twenty eighth overseas Geological Congress, convened in Washington, DC, July 1989. the aim of this box journey is to check the geologic elements that managed the deposition of Carboniferous rocks within the Illinois and Appalachian basins, with emphasis being put on basinal tectonic evolution, sedimentation, and paleoclimate. in the course of the journey, lithostratigraphic and biostratigraphic correlations among the Illinois and Appalachian basins can be under pressure which will supply continuity among the 2 parts. as well as this, geochemical stipulations of sedimentation and peat formation could be illustrated and mentioned at the foundation of the stratigraphic and local distribution of chemical sediments, together with coal beds. the real Mississippian/Pennsylvanian (mid-Carboniferous) boundary, and the sedimentological, paleobotanical and paleoclimatic adjustments linked to it, can also be emphasised.


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22}, a gray fossiliferous calcareous shale, apparently was deposited on a shallow marine subtidal shelf where sediment transport was primarily by suspension, and the sedimentation rate was low. Debris of limestone detritus was winnowed by currents into small lenses in an otherwise quiet-water environment. Most shells show little evidence of transport. The overlying light gray, very fossiliferous limestone (unit 2) apparently was deposited in a shallow marine subtidal environment where currents were sufficiently strong to transport bedload sediment.

25). ) rippled sandstones. In addition, there is an occurrence of gutter casts on the bases of lenticular, elongated, sandstonefilled channel bodies. Paleoflow for the unit was dominantely westsouthwesterly as measured by dip direction o·f ripple foreset laminations, gutter cast orientations, and tracefossil alignments. Unit E is particularly noteworthy because it was interpreted by Gopinath and Ethridge (1976) to be a clasic Gilbert-type deltaic sedimentation T143: 30 . . .. . . . .........

The gray silty shales and siltstones that directly overlie the Herrin Coal were derived from the Walshville channel. The sandstone that locally forms the upper part of the highwall was deposited after the Bankston Fork Limestone Member, which has been seen immediately underlying this sandstone in the westernmost portions of the mine. Two major facies of several minor facies of the Energy Shale Member {Burk and others, 1987) have been recognized in the Burning Star No. 5 Mine: splay channel-fill and splay-margin facies.

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