. Bulletins of American paleontology. DIAGRAMMATIC CROSS SECTION Lisburne Group carbonate platform (free of significant influx of terri- genous clostics). ^MEAN SEA LEVEL- SALINITY INCREASES- Facies-, facies numbers Basin-euxinic Tidal Shelf Toe of slope (carbonate 3 rocks) Foreslope Open nnarine shelf (crinoid-bryozoan 5 gardens) Shoaling water (corbonate sand 6 banks) Open platform 7A 1 7B Restricted platform 8A I 88 Intertldol to supratidal Stioles, rodiolarion cherts and siltstones Lithology Interbedded thin to me- dium-bedded, lime mudstones, dolomites ond cherts Interbedded limestones on
. Bulletins of American paleontology. DIAGRAMMATIC CROSS SECTION Lisburne Group carbonate platform (free of significant influx of terri- genous clostics). ^MEAN SEA LEVEL- SALINITY INCREASES- Facies-, facies numbers Basin-euxinic Tidal Shelf Toe of slope (carbonate 3 rocks) Foreslope Open nnarine shelf (crinoid-bryozoan 5 gardens) Shoaling water (corbonate sand 6 banks) Open platform 7A 1 7B Restricted platform 8A I 88 Intertldol to supratidal Stioles, rodiolarion cherts and siltstones Lithology Interbedded thin to me- dium-bedded, lime mudstones, dolomites ond cherts Interbedded limestones ond dork-groy shales Variable, depending on water energy upslope, sedimentary breccias and lime sand-lime mudstones Bedded crinoid-bryozoan wackestones, packstones, and gramstones Crinoid-bryozoan to ooid pockstones and grain- stones Variable carbonate rocks, bryozoon-crinoid pack- stones-wackestones; chert common Fine and coarse crystolline dolomites; dolomitic- crinoid-bryozoon wocke- stones and pockstones; dolomilic pelletoid lime mudstones Irregularly laminated dolomites and dolomitic lime mudstone, antiydrile ond calcitc pseudo morphs of ontiydrite common olgol mots; may grade into clostic red beds Color Dork brown to block Gray brown Gray to dark gray Gray to light gray Light gray Light gray Light gray Light gray to gray Gray, yellow, brown, red Bedding and sedimentary structures Very even millimeter lami- nations, rhythmic bedding ripple cross-lominotions, burrows, and worm trails on bedding surfaces Thoroughly burrowed thin to medium wavy to nodular beds; bedding surfaces show diostems Laminations may be minor, many massive beds. Lenses of graded sediments. Lithoclosts and exotic blocks Slumps in soft sediments. Foreset bedding; exotic blocks Massive to thick beds, some crossbedding Medium to large-scale crossbedding; festoons common Abundont burrows Birdseye structure, algal mats on or near intertidol zone, stromotolites in very shallow water, graded bedding, dolo- mite,
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