Argillaceous Rock Atlas

1 Introduction.- Definitions.- Argillaceous Rock Classifications.- Stratification and Parting Description.- Examples Seen in Outcrop.- Classification of Very Fine-Grained Sedimentary Rocks.- Textural Classification of Fine-Grained Sediments and Rocks.- 2 Fabric Analysis Techniques.- X-radiography.- Petrography.- Scanning Electron Microscopy.- 3 X-radiography, Petrography and Scanning Electron Microscopy Descriptions.- X-radiography Classification of Argillaceous Rock Macrofabric.- Well developed lamination.- Indistinct lamination.- Bioturbation.- Suggested environmental significance of macrofabric x-radiography data.- Petrographic Classification of Black Shales.- Black shale - lamination types.- Finely laminated.- Thickly laminated.- Wavy laminated.- Lenticular laminated.- Various petrographic features of shale - bioturbation.- Petrographic features of shale - miscellaneous.- Scanning Electron Microscopy Descriptions.- Preferred particle orientation in shale.- Random particle orientation in mudstone.- Fabric variations in organic rich shales.- Microfabric types of organic rich shales.- 4 Miscellaneous Features in Argillaceous Rocks.- Pyrite Framboids.- Fecal Pellets.- Palynomorphs in Shales.- 5 Case Studies of Specific Distinctive Features.- Well Developed Lamination in a Black Shale (Example I).- Bituminous Shale Formation (Upper Lias, Jurassic).- Well Developed Lamination in a Black Shale (Example II).- Jet Rock Shale Formation (Upper Lias, Jurassic).- Organic Variation in a Shale - Clues to the Cause of Lamination.- Jet Rock Shale Formation (Upper Lias, Jurassic).- Laminated Shale from Bottom-Flowing Low Density Turbidity Currents.- Sunbury Shale Formation (Mississippian).- Bioturbation.- Huron Shale Member (Ohio Shale Formation, Devonian).- Bioturbation - Tiered Burrowing in Shale.- Gray Shale Formation (Upper Lias, Jurassic).- Significance of Vertical Fabric Variation in a Shale.- Huron Shale Member (Ohio Shale Formation, Devonian).- A Journey to "Anoxia" - Reconstruction of an Event on the Devonian Sea Floor.- Huron Shale Member (Ohio Shale Formation, Devonian).- 6 Case Studies of Fabric Analysis in Evaluating Sedimentary Processes and Environments.- Marine Regressional Facies.- Hushpuckney Shale Member (Swope Formation, Pennsylvanian).- Marine Transgressional Facies.- Rhinestreet Member (West Falls Formation) and Cashaqua Member (Sonyea Formation) (Devonian).- Floodplain-Paleosol Facies.- Ivishak Sandstone (Triassic).- Evaporite Facies.- Great Salt Lake (Pleistocene-Holocene), Bristol Dry Lake (Pliocene- Holocene), Clear Fork Formation (Permian).- Tidal Flat Facies.- Red Bed Members (Moenkopi Formation, Lower Triassic).- Shallow Marine Shelf Facies.- Wilcox Group (Lower Eocene).- Kuparuk River Formation (Lower Cretaceous).- Delta Complex Facies.- Argillaceous Units of the Ferron Sandstone Member (Mancos Formation, Cretaceous).- Submarine Slope Facies.- Mudstone Facies, Cozy Dell Formation (Middle Eocene).- Marine Turbidite Facies.- Huron Shale Member (Ohio Shale Formation, Devonian).- Deep Marine Turbidite Facies.- Pico Formation (Early Pliocene).- Marine Basinal Facies.- Geneseo Shale Member (Genesee Formation, Devonian).- 7 Formation of Shale by Compaction of Flocculated Clay--A Model.- 8 Fabrics of Some Hydrocarbon Source Rocks and Oil Shales.- Marine Hydrocarbon Source Rock.- Kimmeridge Clay (Jurassic).- Woodford Formation (Devonian-Mississippian).- Monterey Formation (Phosphatic Facies, Miocene).- Saline Lacustrine Hydrocarbon Source Rock.- Green River Formation (Eocene).- Fresh-Brackish Lacustrine Hydrocarbon Source Rock.- Rundle Oil Shale (Eocene-Oligocene).- 9 Fabric of Geopressured Shale.- Geopressured Shale Analysis.- General Geology and Composition.- Onshore Louisiana.- High Island, Texas Offshore Area.- South Padre Island, Texas Offshore Area.- Description of Shale Fabric.- Interpretation of Shale Fabrics.- 10 Composition of Argillaceous Rocks.- 11 Conclusions.- References.