Sedimentary rocks are the most common rocks on Earth. They form at or near the Earth's surface. Sedimentary rock is formed in layers which were laid down one by one on top of another. Some of the layers are thin, some are thick. Layers are made by deposition of .
This comprehensive, onevolume encyclopedia covers the sedimentological aspects of sediments and sedimentary rocks. It features more than 250 entries by some 180 eminent contributors from all over the world, excellent indices, cross references, and extensive bibliographies.
sedimentary rock formed by the cementing together of grains of sand. The usual cementing material in sandstone is calcium carbonate, iron oxides, or silica, and the hardness of sandstone varies according to the character of the cementing material; quartz sandstones. ..... Click the link for more information.
This encyclopedia, which constitutes a wide ranging and authoritative collection of academic articles, covers the sedimentological aspects of sediments and sedimentary rocks. As such it provides a comprehensive, onevolume reference work for students and faculty in universities, and for professionals in geology and allied disciplines (geography, engineering, environmental studies), as well as informed .
Rocks formed from the products of physical erosion or chemical and biological processes at the surface of the Earth, both on land and under water. Sedimentary rocks are formed in four ways: Debris...
Pages in category "Sedimentary rocks" The following 36 pages are in this category, out of 36 total.
Encyclopedia of sediments sedimentary rocks. [Gerard V Middleton;] "This encyclopedia, which constitutes a wide ranging and authoritative collection of academic articles, covers the sedimentological aspects of sediments and sedimentary rocks.
sedimentary rockrock, aggregation of solid matter composed of one or more of the minerals forming the earth's crust. The scientific study of rocks is called petrology. Rocks are commonly divided, according to their origin, into three major classes—igneous, sedimentary, and metamorphic.
Sedimentary rock is a type of rock that is formed by sedimentation of material at the Earth's surface and within bodies of water. Sedimentation is the collective name for processes that cause mineral and/or organic particles (detritus) to settle and accumulate or minerals to precipitate from a solution.
sedimentary rock: aggregation of solid matter composed of one or more of the minerals forming the earth's crust. The scientific study of rocks is called petrology. Rocks are commonly divided, according to their origin, into three major classes—igneous, sedimentary, and metamorphic.
This encyclopedia, which constitutes a wide ranging and authoritative collection of academic articles, covers the sedimentological aspects of sediments and sedimentary rocks. As such it provides a comprehensive, onevolume reference work for students and faculty in universities, and for professionals in geology and allied disciplines (geography, engineering, environmental studies), as well as informed .
The original rock may be sedimentary rock, igneous rock or another older metamorphic rock. There is always more pressure and higher temperature under the Earth's surface. In the root of a mountain chain or a volcano these forces will be enough to change shape of the strata and the minerals it is made of.
S Chert – a fine grained chemical sedimentary rock composed of silica S Clastic rock – composed of fragments, or clasts, of preexisting rock. S Claystone – a sedimentary rock formed from clay S Coal – a sedimentary rock formed from peat S Concretion – a concretion is a rock in which a mineral cement fills the spaces between the sediment grains.
Sedimentary rock can be formed in several ways. Some is formed when rocks of any kind are worn away by rain, wind, and other elements. Through a process called erosion tiny fragments of the original rock, along with dissolved minerals, are carried away to another they may combine with other materials, such as mud.