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Why do you seldom rarely find fossils in metamorphic rocks?

Fossils aren’t typically found in metamorphic rocks because they’re generally distorted or destroyed during the process of forming metamorphic rock….

Why is it uncommon to find fossils in igneous rocks?

Fossils are never found in igneous rocks because igneous rocks are formed directly from lava or magma, not sediment.

Which of the following rocks is not likely to contain fossils?

Granite is an igneous rock and hence contains no fossils.

Why are contact metamorphic rocks less dense?

Why are metamorphic rocks formed by contact metamorphism usually not as dense as those formed by regional metamorphism? Contact is not as dense because contact implies the rock was altered by high temperature without extreme pressure. Extreme temperature and pressure causes elements to migrate by solid solution.

How long does it take for metamorphic rocks to form?

Metamorphism can be instantaneous as in the shearing of rocks at plate boundaries or can take millions of years as in the slow cooling of magma buried deep under the surface of the Earth. There are three ways that metamorphic rocks can form.

What are some examples of metamorphic rocks?

Common metamorphic rocks include phyllite, schist, gneiss, quartzite and marble. Foliated Metamorphic Rocks: Some kinds of metamorphic rocks — granite gneiss and biotite schist are two examples — are strongly banded or foliated.

What are three examples of foliated metamorphic rocks?

Foliated Compostion Examples of foliated rocks are slate, phyllite and schist….

What are the 2 characteristics that metamorphic rocks are classified by?

As with igneous and sedimentary rocks, metamorphic rocks are classified on the basis of texture (grain size, shape, orientation) and mineral composition. However, the classifiction of metamorphic rocks is more difficult to get into than with igneous and sedimentary rocks, for a couple of reasons.

What are the three main types of rocks?

There are three kinds of rock: igneous, sedimentary, and metamorphic. Igneous rocks form when molten rock (magma or lava) cools and solidifies. Sedimentary rocks originate when particles settle out of water or air, or by precipitation of minerals from water.

What is a collector of rocks called?

Amateur geology or rock collecting (also referred to as rockhounding in the United States and Canada) is the non-professional study and hobby of collecting rocks and minerals or fossil specimens from the natural environment.