Why Are Only A Few Fossils Found In Marble

For example fossilized shells and bacteria have been found in marble which is metamorphosed limestone.

Why are only a few fossils found in marble.

Fossils are inherently delicate things and therefore precious little would withstand the conditions that are required to create marble and therefore marble hardly ever contains fossils as a. Big animals and plants fossils are very difficult to find out. These are bones shells and marks in the stones. Marble is a metamorphic rock formed when limestone is subjected to high pressure or heat.

Traces of fossils are sometimes found in metamorphic rocks deriving from metamorphic processes of low intensity on sedimentary rocks. Fossils are some living things remains which lived long time ago and are extinct now. But small fossil fusulina is easy to see in the marble around you. The heat and pressure required to change or metamorphose rocks usually destroys any fossils.

The order the successions of sedimentary rocks based on their paleontological content. Fossils rarely occur in metamorphic or igneous rocks. In its pure form marble is a white stone with a crystalline and sugary appearance consisting of calcium carbonate caco 3 usually marble contains other minerals including quartz graphite pyrite and iron oxides these minerals can give marble a pink brown gray green or variegated coloration. However special circumstances do happen.

It also occurs without forming foliation which normally is found in rocks that are altered by the directed pressure of a convergent plate boundary. Recrystallization obscures the original fossils and sedimentary structures of the limestone.