what category of rocks have fossils
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- Sorry-no fossils here! Igneous rocks form from molten rock, and rarely have fossils in them.Metamorphic rocks have been put under great pressure, heated, squashed or stretched, and fossils do not usually survive these extreme conditions. Generally it is only sedimentary rocks that contain fossils.etamorphic rocks have been put under great pressure, heated, squashed or stretched, and fossils do not usually survive these extreme conditions. Generally it is only sedimentary rocks that contain fossils.
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Sedimentary rock Among the three major types of rock, fossils are most commonly found in sedimentary rock. Unlike most igneous and metamorphic rocks, sedimentary rocks form at temperatures and pressures that do not destroy fossil remnants.ost sedimentary rocks contain either quartz (especially siliciclastic rocks) or calcite (especially carbonate rocks). In contrast to igneous and metamorphic rocks, a sedimentary rock usually contains very few different major minerals.
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What type of rock are most fossils found? Fossils are nearly always found in some type of sedimentary rock. Limestone is a sedimentary rock which very commonly contains fossils, as is coal.
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The Four Types of Fossils Fossils are imprints left during the decay of a plant or animal. They are buried within sediments that are not disturbed for long periods. Mud is often a medium for fossil development since is can become shale or limestone over time.The study of various types of fossils have allowed us to learn about the structure and behavior of life many thousands of years ago.rue-form fossils are body parts of an animal or remains of a substance. They are often formed when the organism is caught in ice, tree sap or tar. Complete features are left behind.
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Why is that sedimentary rocks is the only type of rocks that contains, fossils, fossil fuels, coals, and earth history? Sedimentary rocks are formed when soft sediments are buried and hardened by heat and pressure. The soft sediments may contain the remains of living things that are buried with the soft sediments from erosion. The remains of living things are called fossils, coal is an example of a fossil. Metamorphic Rocks may have been sedimentary rocks. Metamorphic rocks are the result of higher heat and pressure. The fossils that may have been in the sedimentary rocks are most often destroyed by the resulting heat and pressure. Igneous rocks are melted rocks. Sedimentary rocks that are formed in the deep ocean bottom are carried by tectonic plates to subduction zones.
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- Granite and gabbro are examples of this type of rock. They are intrusive igneous rocks because they form from magma underground. Unlike sedimentary rocks, igneous rocks do not contain any fossils. This is because any fossils in the original rock will have melted when the magma formed. 1  Page. 2  1.
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Clastic Sedimentary Rocks Clastic and nonclastic sedimentary rocks are the only members of the rock family that contain fossils as well as indicators of the climate (ripple marks, mudcracks and raindrops) that was present when the rock was formed. Clastic sedimentary rocks are named according to the grain size of the sediment particles.
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Do all rocks contain fossils? Describe the conditions necessary for fossils to form.? Well, igneous rock is formed from volcanos (e.g., lava) so these are unlikely to contain fossils. Most fossils are found in sedimentary rock. This is because of the way these rocks form. joe_devola · 4 years ago.
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- Because sediments sometimes include once-living organisms, sedimentary rock often contains a lot of fossils. Fossils are once-living organisms that have been turned into rock, in which the shape or form of the organism can still be seen.
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Fossil Chemical fossils are chemicals found in rocks and fossil fuels (petroleum, coal, and natural gas) that provide an organic signature for ancient life. Molecular fossils and isotope ratios represent two types of chemical fossils.he fossils themselves are referred to as the fossil record. The fossil record was one of the early sources of data underlying the study of evolution and continues to be relevant to the history of life on Earth.
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Types of Rocks Generally, sedimentary rock is fairly soft and may break apart or crumble easily. You can often see sand, pebbles, or stones in the rock, and it is usually the only type that contains fossils. Examples of this rock type include conglomerate and limestone.
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- Once there, the fossils found in these deposits may be excavated, or more likely, uncovered through the processes of erosion. Not every type of rock contains fossils, so paleontologists focus their discovery efforts on areas with the type of rock most likely to contain them: sedimentary rock. They look along hillsides and in other areas where uplift and erosion have occurred, potentially exposing previously buried fossils.
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Where Fossils are Found Part of Kuban's K-Paleo Place. Most fossils are found in sedimentary rock, which is the most common type of rock on earth. Sedimentary rocks form when particles of sediment are deposited by water or wind, and then (in most cases) hardened or consolidated through time.
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sediments Igneous and metamorphic rocks. Sorry-no fossils here! Igneous rocks form from molten rock, and rarely have fossils in them. Metamorphic rocks have been put under great pressure, heated, squashed or stretched, and fossils do not usually survive these extreme conditions. Generally it is only sedimentary rocks that contain fossils.
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Where Are Fossils Found? As the sediments hardened into sedimentary rock, the dead things hardened into fossils. The vast majority of visible fossils are marine invertebrates, animals that live in the sea and have no backbone, mostly animals with a hard outer shell.
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Why are fossils found in sedimentary rocks? exists and is an alternate of . Sedimentary rocks can contain fossils because, unlike most igneous and metamorphic rocks, they form at temperatures and pressures that do not destroy fossil remains. Dead organisms can become sediments which may, under the right conditions, become sedimentary rock. Igneous rock forms from magma; no chance for fossils to form there.
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Where Fossils are Found Where Fossils are Found. Most fossils are found in sedimentary rock, which is the most common type of rock on earth. Sedimentary rocks form when particles of sediment are deposited by water or wind, and then (in most cases) hardened or consolidated through time. Shale, sandstone, and limestone are types of sedimentary rocks that often contain fossils.
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Maine Fossils Remains of Life from Another Time and Place Fossils are the remains of past life that have been preserved in sediments (such as clays and peats) or rocks (such as slates and sandstones).
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- Fossils form in sedimentary rocks such as limestone, shale and sandstone. The other two types of rock, igneous and metamorphic, form under conditions unsuitable for fossils. Continue Reading
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Which rock is mostly to contain fossils? Sedimentary Igneous rocks have cooled from molten rock, so are very unlikely to preserve any fossils (although casts have been found in lava, this is very rare). Metamorphic rocks have been heated and deformed, this normally destroys fossils.
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What are the four types of fossils? molds and casts, trace fossils, petrified wood, and carbon film The four types of fossils are mold fossils, cast fossils, true-form  fossils, and trace fossils. Mold fossils … are impressions from when  the plant or animal first decomposed. Cast fossils are plant or  animal remains.
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Where Fossils are Found Part of Kuban's K-Paleo Place. Most fossils are found in sedimentary rock, which is the most common type of rock on earth. Sedimentary rocks form when particles of sediment are deposited by water or wind, and then (in most cases) hardened or consolidated through time. Shale, sandstone, and limestone are types of sedimentary rocks that often contain fossils. Shale is a fine-grained rock formed from clay, and often separates into flakes or sheets.
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Why are fossils found in sedimentary rocks? Sedimentary rocks can contain fossils because, unlike most igneous and metamorphic rocks, they form at temperatures and pressures that do not destroy fossil remains. Dead orga … nisms can become sediments which may, under the right conditions, become sedimentary rock.Metamorphic rocks are other rock types that are changed by heat and  pressure; their transformation and mineral reorganization causes  very few fossils to be found there. Sedimentary rock can be formed  from the accumulation of sediments and are often formed near  ancient shores, basins, and lake beds.
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- The sediments may turn to rock through the process of lithification over time, leaving a record of their presence. ----------------------------------------------------- Fossils will be found mainly in sedimentary rocks. Sedimentary rocks are formed by the compression and cementation of sediments over millions of years.
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Where Fossils are Found Fossils are more common than many people think. Even though a relatively small proportion of plants and animals that live are preserved as fossils, because so many animals live and die, and because sedimentary rock is very common, finding fossiliferous (fossil-bearing) rocks is not very difficult.
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- Metamorphic rocks are formed when sedimentary rocks are changed by heating and/or pressure. From this, you can see that sedimentary rocks are the most likely to contain fossils, although metamorphic rocks also can contain fossils. Any sedimentary rock can contain fossils, but some make fossil hunting easier.