Home > Term: siliceous sediment
siliceous sediment
Fine-grained sediment and sedimentary rock dominantly composed of the microscopic remains of the unicellular, silica-secreting plankton diatoms and radiolarians. Minor constituents include extremely small shards of sponge spicules and other microorganisms such as silicoflagellates. Siliceous sedimentary rock sequences are often highly porous and can form excellent petroleum source and reservoir rocks.
- Kalbos dalis: noun
- Pramonės šaka / sritis: Science
- Category: General science
- Company: McGraw-Hill
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