Syllabus
|
Course Code: GT-504 Course Name: Sedimentology |
||
| MODULE NO / UNIT | COURSE SYLLABUS CONTENTS OF MODULE | NOTES |
|---|---|---|
| 1 | Gravels, conglomerates and breccias: composition, texture, structure and classification orthoconglomerate paraconglomerate, intra formational conglomerates, diagenesis of conglomerates pseudo conglomerates, pseudo breccia sandstones: fabric, structure, mineralogy, classification of sandstones, greywackes, matrix problem, soda problem, occurrence and geological signifacence, arkose, definition, fabric and composition, lithic sandstones and quartz arenites; definition, origin and geological significance. Diagenesis of sandstone: cementation, decementation, matrix and cement. |
|
| 2 | Shales, argillites and siltstones: definition, textures, structures. Clay minerals: composition and structure, occurrence and origin clay minerals. Diagenesis of shale: compaction, diagenetic classification of shales, residual clays; red, balck siliceous and calcareous shales, marls, loess and its origin. Limestones and dolomites: shallow and deep sea carbonates, fresh water, carbonates. Textures and structures of carbonates. Classification of evaporitic and aeolian |
|
| 3 | Chert: definition, origin and classification glauconite, pyrite and barite nodules, oncolites. provenance, mineral stability maturity of sediments: compositional and textural. Heavy minerals: definition, method of separation and geological significance. Paleocurrent analysis and its significance. Lithification and diagenesis. |
|
| 4 | Physico-chemical condition of sedimentation: Nature of depositing medium, depth of water, current velocity, salinity and temperature, classification of sedimentary environments, Alluvial fans, braided and meandering fluvial systems, lacustrine, eolian and glacial deposits, deltas, clastic shelf, continental slope and pelagic sediments: tectonic setting and sedimentology. Sedimentary facies. Flysch molasse sedimentary basin in plate tectonic settings. | |
