- sedimentary petrology
- 沉积岩石学
English-Chinese geology dictionary (英汉地质大词典). 2013.
sedimentary petrology
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Petrology — A volcanic sand grain seen under the microscope, with plane polarized light in the upper picture, and cross polarized light in the lower picture. Scale box is 0.25 mm. Petrology (from Greek: πέτρα, petra, rock; and λόγος, logos, knowledge) is the … Wikipedia
Sedimentary rock — Middle Triassic marginal marine sequence of siltstones (below) and limestones (above), Virgin Formation, southwestern Utah, USA Sedimentary rock are types of rock that are formed by the deposition of material at the Earth s surface and within… … Wikipedia
sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… … Universalium
petrology — petrologic /pe treuh loj ik/, petrological, adj. petrologically, adv. petrologist, n. /pi trol euh jee/, n. the scientific study of rocks, including petrography and petrogenesis. [1805 15; PETRO 1 + LOGY] * * * Scientific study of rocks,… … Universalium
Organic-rich sedimentary rocks — are a specific type of sedimentary rock that contains significant amounts (>3%) of organic carbon.[1] The most common types include coal, lignite, oil shale, or black shale. The organic material may be disseminated throughout the rock giving… … Wikipedia
geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… … Universalium
rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… … Universalium
Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… … Universalium
Richard L. Hay — Richard LeRoy Hay (April 29 1929 ndash; February 10 2006) was an American geologist whose most famous work was as the principal geologist working with Mary Leakey at Olduvai Gorge, the site of many important hominid finds in the study of human… … Wikipedia
Concretion — For other uses, see enterolith and nodule (geology). Septaria redirects here. For the genus of gastropods, see Septaria (gastropod). Concretions on Bowling Ball Beach (Mendocino County, California) weather out of steeply tilted Cenozoic mudstone… … Wikipedia
Dish structure — A dish structure is a secondary sedimentary structure caused by liquefaction and fluidization of the soft sediment. The structure occurs mainly in clastic deposits like turbidites. Contents 1 Terminology 2 History 3 Description … Wikipedia
