The vast majority of fossils are found in sedimentary rock. Igneous rock forms from magma; no chance for fossils to form there. 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. If an organism dies and is covered by sediments before being rotted or eaten by predatory organisms, it could eventually become part of the sedimentary layer that becomes rock.
You would most commonly find fossils in sedimentary rocks. :)
Fossils are found in sedimentary rocks such as sandstone, limestone, and shale.
Sedimentary rocks have fossils in them and are formed by deposition of materials.
Sedimentary rock
A fossil is evidence of an organisms existence, not a type of rock. Most fossils are found in sedimentary rocks.
Sedimentary Rock
A cast is the fossil type left inside a rock by organism that has decayed.
Because if you know how old the fossil is, and you find the fossil inside a rock, you know that rock has a maxium age corresponding with the age of the fossil.
Coal is the fossil fuel sometimes considered a organic sedimentary rock.
Limestone.
Sedimentary.
A fossil is evidence of an organisms existence, not a type of rock. Most fossils are found in sedimentary rocks.
coal
igneous rock
Hydrocarbonous rock
Sedimentary Rock
Sandstone. Sandstone is a sedimentary rock - which is the only type of rock which can contain fossils.
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A cast is the fossil type left inside a rock by organism that has decayed.
Because if you know how old the fossil is, and you find the fossil inside a rock, you know that rock has a maxium age corresponding with the age of the fossil.
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