clastic rock in a sentence
Examples
- Some clastic rocks are breccia, sandstone and shale . the rock can be coarse grained, fine grained medium, fien or very fine.
- Moving west from outcrops of early Devonian limestone, the Helderbergian limestones pinch out and the formation consists of clastic rocks that bear no caves.
- The sedimentary environment recorded near the end changed from deep water shales derived from Archean rocks to coarser clastic rocks derived from a younger Proterozoic source.
- The layer marks the end of a major period of banded-iron formation deposition that was succeeded by deposition of fine clastic rocks & ndash; commonly black shales.
- Recent research observed geochemical cyclicity in clastic rocks, showing that the " snowball " periods were punctuated by warm spells, similar to ice age cycles in recent Earth history.
- The mineralogy of a clastic rock is determined by the material supplied by the source area, the manner of its transport to the place of deposition and the stability of that particular mineral.
- The Gauja Formation is up to 183 metres thick and consists of quartz sand, multicolour clay, and fine-grained mellow clastic rocks, that has yielded remnants of fish and flora.
- In areas away from paleo-volcanic centers, thick sedimentary clastic rocks with sporadic limestone horizons and intercalated calcareous sediments, marls and / or coal seams were formed during the Miocene to Pliocene.
- In the southern coasts of Ulugan Bay and Sabang Beach, are several exposures showing that the Palawan ophiolite has been thrust on to the continent-derived clastic rocks ( " Sabang thrust " ).
- Jay B . Starkey Wilderness Park lies in the southwest portion of the Tampa Plain physiographic region with soils consisting of medium to fine sand over a base of limestone, shell and clastic rock deposits.