Metamorphic rocks make up approximately 15-20% of the Earth's crust. This percentage can vary by location, as some areas may have a higher concentration of metamorphic rocks due to geological processes. The majority of the Earth's crust is composed of igneous and sedimentary rocks.
According to 118 118, metamorphic rocks make up about 85% of the earth's Continental crust. According to wiki.answers, 75-80% of the earth's surface is composed of sedimentary rock. 20-25% left to be composed of igneous and metamorphic rock.
Metamorphic rocks are created from intense heat and pressure being applied to an existing rock. The existing rock is called the protolith. They can also be formed from lava being poured over the top of the earth's surface, where rocks lay underneath. Metamorphic rocks make up a large part of our earths crust. It is around 40-60% of the earts crust.
No.
Schistose Structure metamorphic rocks are known as foliated metamorphic rock.
Metamorphic rocks make up approximately 15-20% of the Earth's crust. This percentage can vary by location, as some areas may have a higher concentration of metamorphic rocks due to geological processes. The majority of the Earth's crust is composed of igneous and sedimentary rocks.
According to 118 118, metamorphic rocks make up about 85% of the earth's Continental crust. According to wiki.answers, 75-80% of the earth's surface is composed of sedimentary rock. 20-25% left to be composed of igneous and metamorphic rock.
To determine which rock type has a greater percentage of biotite, you would typically compare different igneous or metamorphic rocks known for their biotite content. For example, granite often contains less biotite compared to schist or certain types of gneiss, which can have a higher percentage of biotite due to their metamorphic processes. If you have specific rock types in mind, I can provide a more tailored comparison.
Metamorphic rocks are created from intense heat and pressure being applied to an existing rock. The existing rock is called the protolith. They can also be formed from lava being poured over the top of the earth's surface, where rocks lay underneath. Metamorphic rocks make up a large part of our earths crust. It is around 40-60% of the earts crust.
These rock is Metamorphic. metamorphic rocks are found in Africa.
metamorphic
Gniess is Metamorphic.
coal is metamorphic
metamorphic.
metamorphic
Skarn is metamorphic.
Chert is NOT a metamorphic rock.