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Why do metamorphic rocks often contain fossils?
Some rocks are old.These sometimes have fossils.This is because the rocks used to be mud.When a inprint is made on the mud and does not get washed away the mud hardends the inprint stays.Years later the inprinted mud turns into a rock.If you get lucky and crack that rock open, the inprint is there.
How are sedimentary and metamorphic rocks similar and different?
They are both rocks. Sedimentary can contain metamorphic rocks. and vice versa.
What is the relationship between sedimentary rocks and fossils?
When sedimentary rocks grow more layers small fossilised animals get caught between the layers. Ther fore when people chip away at the rock or erosion happens the fossilisd animals have been turned into fossils and fall out.
Why does metamorphic rock wear away slower than sedimentary rock?
Metamorphic rock typically wears away slower than sedimentary rock due to its denser and more complex mineral structure, which forms under high pressure and temperature conditions. This results in stronger bonds between minerals, making metamorphic rocks more resistant to erosion and weathering. In contrast, sedimentary rocks are often composed of softer materials and are layered, which can make them more susceptible to wearing away from environmental factors like wind and water. Consequently, the durability of metamorphic rock contributes to its slower erosion rate compared to sedimentary rock.
What type of rock can wear away to form sediment?
Sedimentary rocks can wear away to form sediment through weathering processes such as erosion, transportation, and deposition. These rocks are formed from the accumulation and cementation of sediments over time.
Which types of rock can weather and wear away to form sediment?
Sedimentary rocks such as sandstone, shale, and limestone can weather and wear away to form sediment. These rocks are often composed of loose grains that can be eroded by wind, water, or ice, leading to the formation of sediment.
Can slate be worn away easily?
As slate is a metamorphic rock, it can't be worn easily. I t would be harder to wear than igneous or sedimentary rocks.
Why are fossils only found in sedimentary?
Because sedimentary rocks are the only rocks that don't completely erode away the remains. If you had igneous rock with a skeleton in it, over a long period of time it would be gone because of all the processes.
Would you find fossils in igneous rocks?
Yes, but only "Mold" type fossils, that is fossils that are an impression of the original object. Examples can be found at Lava Tree natural park in Hawaii. In this case there are trees that are surrounded by lava that burns away the tree within while leaving a hollow impression of the tree. There are multiple examples of fossilized remains found in various ash based Tuffs, specific examples are Pompeii and Herculanium the voids found in the ash flow, multiple fossilized footprints.
What effect does wind have on metamorphic rocks?
wears them away
How does metamorphic turns to sedemantary?
Sedimentary rock is rock that has been worn away and turned into sediment such as sand. That sediment is then compacted together and turned into rock. So metamorphic rock wears away and compacts into sedimentary rock
Do Igneous rocks change into sedimentary rocks?
Normally when sedimentary rocks are squashed and heated they do indeed change, they become metamorphic rocks. e.g. mud will be turned into slate - limestone into marble etc.As the metamorphic temperature and pressure increase still further, most sedimentary rocks end up as Granulites or Banded Gneisses which look very much like igneous rocks (Granites).In the extreme, sedimentary rocks can melt, and these melts will form new magmas which will eventually harden to form new igneous rocks.
