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Book Chapter

Depositional Environments and Sedimentary Geology Paleochannels

By
Alexander R. Papp
Alexander R. Papp
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Published:
January 01, 1998

Abstract

Paleochannels are sedimentary rock units deposited by ancient streams that transported sediment through the peat mire. As discussed in the section on Coal Depositional Systems, paleochannels constitute the framework facies that bound the mire. The most adverse impact of a paleochannel is their potential to fully erode a coal seam (Picture 1). They also cause adverse roof and highwall conditions in underground and surface mines, respectively. Depositional modeling of the coal deposit, in particular, delineation of the paleodrainage patterns, is important in the design and layout of a coal mine and for optimizing CBM production.

Paleochannels also are termed "channels", "wants" (underground miners in want of coal), "cutouts", "washouts", and "rolls". They are very common in coal-bearing strata and occur in deposits throughout the world (Pictures 2, 3, and 4).

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Contents

AAPG Studies in Geology

Atlas of Coal Geology

Alexander R. Papp
Alexander R. Papp
Certified Coal Geologist
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James C. Hower
James C. Hower
Certified Coal Geologist
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Douglas C. Peters
Douglas C. Peters
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American Association of Petroleum Geologists
Volume
45
ISBN electronic:
9781629810195
Publication date:
January 01, 1998

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