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One reason fossils are rarely found in Precambrian rocks is that?
Wiki User
∙ 13y ago
Precambrian rocks contain relatively fewer fossils than rocks from different eras. This may be due to the fact that the rocks from this era were subject to a lot of heat and pressure, or were exposed to erosion.
Wiki User
∙ 9y ago
jeanelyn luzon
Fossils are rare in Precambrian rocks, probably because Precambrian life-forms lacked bones, shells, or other hard parts that commonly form fossils. Also, Precambrian rocks are extremely old.
Jessa Recreo
Wiki User
∙ 13y agoLife that would produce fossils was not abundant during this era.
Wiki User
∙ 13y agoMost life in the Precambrian was soft-bodied, not likely to be preserved in sedimentary rock.
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Why is Precambrian history more difficult to study than more recent geological history?
no fossils of organisms with hard parts. the few soft body part fossils found rarely fossilize well.
Why fossils are rarely found in metamorphic and igneous rocks?
This is because igneous and metamorphic rocks are created under extreme heat and pressure, and very few fossils would survive those conditions. The most common forms of fossils are those found in sedimentary rocks.
How can you explain the fossils after continental drift?
the same fossils were found on different continents
Are mammal fossils found in rock?
Fossils of animals and plants can be found in sedimentary rock (limestone, chalk, slate, etc).
Do all rocks form fossils?
No, fossils are actually very difficult to find. The majority of fossils found are marine invertebrates. They are usually found in sedimentary rock. However, there is plenty of sedimentary rock that contains no fossils at all.
For which segment of the Earth's geologic history are fossils rarely found?
precambrian
Why is Precambrian history more difficult to study than more recent geological history?
no fossils of organisms with hard parts. the few soft body part fossils found rarely fossilize well.
Fossils of organisms found in the early precambrian are all of?
unicellular prokaryoytes
Why are fossils rarely found?
They have no bones.
What have scientist inferred from fossil stromatolites?
Stromatolites were much more abundant on the planet in Precambrian times which means that fossils found around stromatolites are typically from the Precambrian era.
Why are shark teeth often found as fossils but impressions of jellyfish are rarely found?
Because shark teeth are hard enough to be fossilized
Why shark teeth are often found as fossils but impression of jellyfish are rarely found?
Because shark teeth are hard enough to be fossilized
Why are there few fossils from the precambrian era?
Actually, it isn't really true! We now know (unlike Darwin who would have rejoiced to know what we now know!) that fossils in the PreCambrian are numerous and spread world-wide. But many are very small and not easily recognised or exist in specialised geologically circumstance, often preserved in relatively little-known places. Much PreCambrian rock is igneous, products of vulcanism, and obviously do not preserve fossils. But where suitable conditions prevailed, unusual fossils can be found are a the subject of a great deal of study. Many of the best preserved are where fine volcanic ash settled over the ancient seabed preserving the soft-bodied forms which were around 500-600ma ago. Precambrian fossils may be found at several localities in UK (notably Charnwood Forest in Leicestershire), in Canada, Namibia, Russia, China and especially in Australia.
Are fossils abundant in all types of rocks?
no they are not. If you go outside and look around and look at all types of rocks you will probably not find a fossil. Fossils are rarely found.
What is the age of fossils that can be measured by what dating?
Fossils themselves can very rarely be dated by any means...their age is usually judged by the geological assessment of the area and layer in which they are found
Why fossils are rarely found in metamorphic and igneous rocks?
This is because igneous and metamorphic rocks are created under extreme heat and pressure, and very few fossils would survive those conditions. The most common forms of fossils are those found in sedimentary rocks.
What are fossils commonly found in?
Fossils are the remains of an animal that have been preserved in rock. This process is called fossilization. They are commonly found all over the world, but many fossils are found where ancient seas that have dried up, like the Badlands. Other fossils are found where an animal died and was eventually buried under fossilized dirt, mud, or even sand. any creature with an exoskeleton or endoskeleton can be fossilized. But most creatures in the Precambrian and Archean Periods were not fossilized because of their lack of a skeleton. Jellyfish will also just dissolve when dead.
