How to use sedimentary rock in a sentence

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Sentence Examples When cutting rocks is that most sedimentary rock will cut easier when you follow the grain in the rock. In the process of being buried under other sediments, these ooids can fuse into a solid mass of sedimentary rock called oolite. In the picture, a large, cylindrical structure cuts vertically across the bedding of the sedimentary rock. It shows fractured blocks of ancient sedimentary rock separated by recent sand dunes. Nineteenth-century geologists, basing their estimate on sedimentary rock strata, gauged Earth's age to be hundreds of millions of years. These hard, round spheres of sedimentary rock cement are carried into place by ground water. Novaculite is a sedimentary rock composed mostly of microcrystalline quartz. The stone that makes up the cliff face is known as limy sandstone, a sedimentary rock. Why then was there so little accumulation of sedimentary rock and debris on the ocean floor? I picked up an interesting sedimentary rock that was the exact shape of a rhombus. It is made of volcanic and sedimentary rock, together with intrusions of granitic rock. The Paskapoo Formation, a sedimentary rock unit comprised dominantly of shale and sandstone, it covers over 10,000 km2 of southwestern Alberta. The fossils you will see come mainly from a type of sedimentary rock that geologists call limestone. Fossils are unequalled tools for understanding the sedimentary rock record and what has happened to it for several reasons. As the sediment builds up, it is subjected to pressure so it compacts and consolidates to form a sedimentary rock such as sandstone. Rivers flowing into these waters deposited sediments, which were transformed into layer upon layer of sedimentary rock. These lake depressions were formed by glaciers from the Shield carrying hard granitic debris and gouging deeply onto the softer sedimentary rock. Scattered throughout the Mojave Desert, outcrops of Proterozoic sedimentary rock make up parts of the mountain ranges that divide this region into basins. A three dimensional image of the top of a sedimentary rock layer beneath the ocean, created from geophysical surveying in the Atlantic offshore. The phosphorus cycle is different from the water, carbon, and nitrogen cycles because phosphorus is found in sedimentary rock, not in the atmosphere. Show More Sentences Fossilization is the process by which plant and animal remains are preserved in sedimentary rock. Centuries of flooding and evaporation created enormous deposits of sedimentary rock. Lowlands, plains and plateaux, underlain by horizontal beds of sedimentary rock, give this region its typical subdued relief. French green clay is a sedimentary rock made up of hydrated aluminum silicate, the product of the decomposition of many mineral species. About 50 million years ago sedimentary rock was pressed against this granite, forming the schists of the eastern side. Chemical sedimentary rock forms when mineral constituents in solution become supersaturated and inorganically precipitate. In contrast to igneous and metamorphic rocks, a sedimentary rock usually contains very few different major minerals. However, the origin of the minerals in a sedimentary rock is often more complex than in an igneous rock. Minerals in a sedimentary rock can have formed by precipitation during sedimentation or by diagenesis. Any sedimentary rock composed of millimeter or finer scale layers can be named with the general term laminite. The setting in which a sedimentary rock forms is called the sedimentary environment. In many cases facies changes and other lithological features in sequences of sedimentary rock have a cyclic nature. Others are mined as strip mines, having been laid down in horizontal layers as sedimentary rock. Among the three major types of rock, fossils are most commonly found in sedimentary rock. The particles that form a sedimentary rock by accumulating are called sediment. A sedimentary rock formed on land has a continental sedimentary environment. Common clay is sufficiently plastic to permit ready molding and vitrifies below 1100°C. Shale is a sedimentary rock composed chiefly of clay minerals that have been laminated and indurated while buried under other sediments. The process of fossilization, illustrated here with the death of the dipnoan fish Fleurantia denticulata, begins with its burial in sediment and ends with the preservation of its hard parts in sedimentary rock. Lignite, often referred to as brown coal, is a soft brown combustible sedimentary rock formed from naturally compressed peat. In fact, modern man cannot know the level of antediluvian technology, because all evidence of that technology lies buried under one or more miles of sedimentary rock. Show More Sentences But over time, the sedimentary rock was squeezed, heated, and transformed into a metamorphic rock called quartzite. Visitors come from all over the world to see these hoodoos-mushroom-shaped pillars of eroded sedimentary rock that are some of the most unusual geological formations found anywhere. The village is famous for its association with the famous scientist of the Sasso Glòsina, cliff formed of marl, a sedimentary rock, sandstone and sedimentary rock made of grains of similar size to the sand. Oil shale is a dark, flaky sedimentary rock. Coals are the most abundant organic-rich sedimentary rock. Red soils generally form from iron-rich sedimentary rock. Limestone is a sedimentary rock, formed by the deposition of the physically and chemically altered products of pre-existing, primitive rocks, such as calcium feldspar. Softer sedimentary rock and till occur along much of lakes Erie and Ontario, and the fluvial and upper estuarine section of the St. Lawrence River shoreline. The maximal thickness of this formation is approximately 100 m. Based on the drilling efforts and sonic logs, Cairnside is the hardest sedimentary rock in the region. Does this gigantic sequence of sedimentary rock contain oil or gas? There is also a 10 cm-wide sedimentary layer which stands out amongst the surrounding sedimentary rock because of its lighter colour which is a result of a higher-proportion of lighter-coloured carbonate minerals in the rock. Limestone is a sedimentary rock, composed mainly of skeletal fragments of marine organisms such as coral, forams and molluscs. Plains make up much of the eastern portion of the West, underlain with sedimentary rock from the Upper Paleozoic, Mesozoic, and Cenozoic eras. This rock can be weathered and eroded, then redeposited and lithified into a sedimentary rock. This can sometimes result in gravel becoming compacted and concreted into the sedimentary rock called conglomerate. Sedimentary dikes or clastic dikes are vertical bodies of sedimentary rock that cut off other rock layers. Skiddaw slate is an early Ordovician metamorphosed sedimentary rock, as first identified on the slopes of Skiddaw in the English Lake District. Siltstone is a sedimentary rock which has a grain size in the silt range, finer than sandstone and coarser than claystones. The Skiddaw Group is a group of sedimentary rock formations named after the mountain Skiddaw in the English Lake District. It is a texturally immature sedimentary rock generally found in Paleozoic strata. Show More Sentences Both the Alps and the Apennines contain primarily sedimentary rock resulting from sedimentation of the ancient Tethys Sea in the Mesozoic. In this cut you can see how the sedimentary rock layers have been clearly stratified. Isotope fractionations due to bacterial carbon fixation and C-isotope signatures in ancient sedimentary rock have been studied. Oil shale is a sedimentary rock containing significant amounts of organic matter called kerogen from which liquid hydrocarbons can be thermally extracted. Additional evidence comes from the distribution of certain sedimentary rock types, faunal provinces shown by particular fossil groups, and the position of orogenic belts. The principle of superposition states that a sedimentary rock layer in a tectonically undisturbed sequence is younger than the one beneath it and older than the one above it. Carboniferous Limestone is a sedimentary rock made of calcium carbonate. In geology, when an igneous intrusion cuts across a formation of sedimentary rock, it can be determined that the igneous intrusion is younger than the sedimentary rock. Although the term xenolith is most commonly associated with igneous inclusions, a broad definition could include rock fragments which have become encased in sedimentary rock. Work by researchers, Cook and Thirlaway and also by Brooks in the 1950s and '60s resulted in estimates of the thickness of the sedimentary rock sequence in the basin. It is a sedimentary rock, but the harder forms, such as anthracite coal, can be regarded as metamorphic rocks because of later exposure to elevated temperature and pressure. In some sedimentary environments, most of the total column of sedimentary rock was formed by catastrophic processes, even though the environment is usually a quiet place. The amount of sedimentary rock that forms is not only dependent on the amount of supplied material, but also on how well the material consolidates. The most recent layers of sedimentary rock were formed as the seabed of the ancient Champlain Sea at the end of the last ice age about 14,000 years ago. The nature of a sedimentary rock, therefore, not only depends on the sediment supply, but also on the sedimentary depositional environment in which it formed. Concrete can be viewed as a form of artificial sedimentary rock. The passage is known to have been closed until around 41 million years ago according to a chemical study of fish teeth found in oceanic sedimentary rock. In geology the term is more specifically applied to a ridge where a harder sedimentary rock overlies a softer layer, the whole being tilted somewhat from the horizontal. Examples from Classical Literature A butte is a hill of sedimentary rock, not mountain-like in appearance, and standing by itself in a flat region. No sedimentary rock must be regarded as unfossiliferous, however unfitted it appears for the preservation of fossils. Oil shale is a sedimentary rock rich in organic matter that can be industrially processed into oil. The upper series of sedimentary rock has suffered but slight deformation. 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Words that rhyme with sedimentary rock What is the plural of sedimentary rock? Use our Sentence Generator Nearby Words sedimentary sedimental sediment sedilia sedgy Sedgwick sedimentation sedimented sedimentologic sedimentological sedimentologist sedimentology