[ UK /sˈɪltstə‍ʊn/ ]
  1. a fine-grained sandstone of consolidated silt
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How To Use siltstone In A Sentence

  • Often, the powdery azurite encloses a small grain of cuprite, forming a blue halo that disperses into the siltstone.
  • Permian shale, sandstone, siltstone, limestone, sands, marls, and dolostones were deposited by sea-level fluctuations.
  • This one billion year old formation contains calcitic or dolomitic red and green argillites, siltstones and sandstones and represents a subtidal to intertidal setting with occasional subaerial exposure. Archive 2008-09-01
  • Lithologically, the most abundant carbonate rock type is an argillaceous, coarse-grained crinoidal packstone, but finer grained packstones, grainstones, calcareous siltstones, and shales are also present.
  • The siltstones are also finely laminated, the laminations often draped over fossil plant material that is preserved in situ in palaeosols below.
  • Ancient mud deposits harden over geological time to form sedimentary rock such as siltstone or solid, mudrock lutites. Yahoo! Answers: Latest Questions
  • The canyon fill passes conformably upward into limestone and calcareous siltstone and sandstone of the Wonoka Formation.
  • The fish is preserved in a siltstone nodule, which has partially formed around the body of the fish.
  • As the name implies siltstone is composed mostly of silt particles and contains less clay and shale and mudstone.
  • The higher elevations of the Nicobars often contain serpentine and gabbro formations, whereas at lower elevations Eocene sediments (sandstones, shales, and siltstones) with ultrabasic igneous intrusions predominate. Nicobar Islands rain forests
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