... (dolomite), sandstone (sand), and marl interbeds.7. Clays (shales) and marl with sandstone and sand interbeds.8. Clays (shales) with sandstone and sand interbeds and lenses.9. Clays (shales) with sand, ... of rockq volumetric flow rateqliqliquid production rateq oil oil production rateR content of resins and asphaltenesRdrate of sedimentationNOMENCLATURExii geology and geochemistry of ... reservoir rocks within the shales consist of lenses and inter-beds of sands, sandstones, and carbonates. At the beginning of the 20th century, oil and gas flows were obtained from fractured schists...