| Abridged Version of the International Stratigraphic Guide: This version, like the Guide itself, was developed to promote international agreement on principles of stratigraphic classification and to develop an internationally acceptable stratigraphic terminology and rules of procedure in the interest of improved accuracy and precision in international communication, coordination, and understanding. |
| Bedform Sedimentology Studies: Information about ripples, dunes, and sedimentary structures including, explanatory text, computer-generated images and movies, photographs, and bedform-simulation software provided by the USGS. |
| Low–temperature formation of Dolomite and Magnesite: Latest version (2005) of the open-access e-book authored by J.C. Deelman on dolomitization and related phenomena. A total of 505 text pages, including a number of graphs, drawings and photographs. |
| Petrology of sedimentary rocks: Although long out of print, the seminal book (a total of 182 pages in a single pdf file) by R.L. Folk (1974) remains an excellent resource if you are interested in sedimentary rocks. |
| Principles of Geology, by Charles Lyell 1830: Electronic facsimile of one of the founding book of the geological sciences, made available by Electronic Scholarly Publishing |
| Reports of the Illinois Geological Survey authored by A.H. Worthen: This set of 8 volumes published between 1866 and 1890 is a rich resource of information about Illinois geology, landscape and mineral resources. |
| Schlumberger Oilfield Glossary: With more than 4600 entries it constitutes an instant technical reference for both the generalist and the expert oil geologist |
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