Inadequate observation of sedimentary TRUSHKovA and KUKHARENKO'S "Atlas of structures has been responsible for incorrect Placer Minerals." The most comprehensive interpretation of the order of superposition atlas is the "Atlas of Textures and Struc in deformed beds and this has led, in turn, tures of Sedimentary Rocks" edited by A. to gross errors in stratigraphy and structure. V. KHABAKOV (1962). Failure to recognize and utilize those Our Atlas is an outgrowth of our work on structures which indicate direction of cur "Paleocurrents and Basin Analysis," a book rent flow has also led to incorrect, or at in which directional sedimentary structures least incomplete, understanding of basin are described and interpreted with special development. reference to the evolution of sedimentary We believe, therefore, that there is need for basins. That work, however, contains mini a work which constitutes a field guide to the mal photographic material - just enough study of these structures - a book in to give the reader some concept of the sedi which these structures, so difficult to mentary structures described.

Atlas and Glossary of Primary Sedimentary Structures

F. J. Pettijohn

Paul E. Potter

Springer, Verlag

<p>We wrote Sedimentology of Shale primarily because we lacked a handy, reasonably comprehensive source of information and ideas about shales for students in our sedimentology program. It was also our feeling that the time for shales to receive more study had finally arrived. Sedimentology of Shale also seems very timely because today more sedimentologists are interested in shales. Certainly in the last five years the pace of shale research has no ticeably quickened because the role of shales as important sources of oil, gas, heavy metals and as a long understudied part of the earth's geologic his tory has been recognized. Noteworthy developments include the elucida tion of the importance of trace fossils in shales, the discovery of thick sequences of overpressured shales in regions such as the Gulf Coast (which have important implications for hydrocarbon migration and faulting), the ex tension of the principles of metamorphic facies to the realm of low tempera ture diagenesis by study of the organic matter in shales, and shales as ul timate sources for mineral deposits. Accordingly, we decided it was timely to write a book on shales. In one respect, however, ours is an unusual book. Most books in geology are produced after one or two decades of progress have been made in a field and attempt to summarize and evaluate that progress.</p>

Sedimentology of Shale: Study Guide and Reference Source

Reference

Springer

This is a book for beginners. Not geological beginners, because an introductory course in paleontology and some knowledge of the petrographic microscope is assumed, but for beginners in the study of the petrography of fossil constituents in sedimentary rocks. Fossils are studied for various reasons: 1) to provide chron­ ologic (time) frameworks, 2) to delineate rock units and ancient environments, or 3) to understand the past development (evolu­ tion) of living plants and animals. All of these uses may be at­ tained through petrographic studies of thin sections of fossils embedded in sedimentary rocks. Some knowledge of the appear­ ance of fossils in thin section is also fundamental for general stratigraphic studies, biofacies analyses, and is even useful in studying some metamorphic rocks. Commonly, fossils are essen­ tial for the delineation of carbonate rock types (facies or bio­ facies). We have written this book for sedimentary petrologists and stratigraphers, who routinely encounter fossils as part of their studies but who are not specialists in paleontology, and for students who are seeking a brief review and an introduction to the literature of the petrography of fossiliferous sedimentary rocks. Although experienced paleontologists may be appalled by the many generalized statements on size, shape, and principal fossil characters recited herein, we counter that we have had some success in introducing non-paleontologically oriented geologists to the use and identification of fossil constituents without using excessive paleontological terminology and detailed systematics.

Introductory Petrography of Fossils

Science & Math

Alan Stanley Horowitz

Biological Sciences

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Books by Paul E. Potter