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obsidian
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∙ 11y ago
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What kind of rock are fossils never found in?
Igneous rocks.
What kind of rock are fossils found in?
Igneous rocks.
Why do rock fossils form in sedimentary rock and not in igneous rock-?
Fossils are formed in sedimentary rock because the rock is formed at temperatures that do not destroy the fossils like the igneous rocks would.
Are fossils an important component of igneous rock?
False!! Fossils are an important component of sedimentary rock.
What type of rock can form fossils?
a lot of rocks can sometimes can become a fossils. igneous rock
What is the rock that you are most likely to find fossils in?
Igneous rock
Which which mars rock contains fossils sedimentary igneous or metamorphic sedementary igneous or metamorphic.?
igneous
Do igneous rocks usually contain fossils?
Igneous rock is composed of lava or magma that has cooled and solidified. Fossils are only found within the various strata of sedimentary rock.
What type of rock might have fossils?
Igneous rock is formed by the cooling of magma - liquid or molten rock. Fossils won't be found in there for obvious reasons. We don't even bother to look for fossils in something like, say, basalt, which is an igneous rock. A link is provided to the Wikipedia article on igneous rock.
Which type of rock may contain fossil?
fossils almost allways occur in sedementary rock. this is the only way to get fossils without burning or cruching the fossil. you sometimes get fossils in igneous rock, but this is very rare. igneous rock fossils do not have any actual "fossils" in them, they are just impressions.
How does determining the ages of igneous rocks help to date fossils?
Igneous intrusions that crosscut sedimentary rock that contain fossils can provide a date range because igneous rock is datable by radioactive decay techniques.
Do the oldest rocks on earth contain fossils?
Maybe. It depends on what kind of rock it is. If its a sedimentary rock and it's pretty old, then it will probably have some fossils in it. If its igneous the chances are not very likely i'd say.
