Metamorphic rock Metamorphic rock Metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means "change in form". The original rock (protolith) is subjected to heat (temperatures greater than 150 to 200 °C) and pressure ( or more), causing profound physical or chemical change. The protolith may be a sedimentary, igneous, or existing metamorphic rock. Metamorphic rocks make up a large part of the Earth's crust and form 12% of the Earth's land surface. They are classified by texture and by chemical and mineral assemblage (metamorphic facies). They may be formed simply by being deep beneath
Name change change the name. Not all jurisdictions require that the new name be used exclusively. Any fraudulent use or intent, such as changing the name to the same name as another person's name, may invalidate this type of name change. Specifically in California, Code of Civil Procedure § 1279.5 and Family Code § 2082 regulate common law and court decreed name changes. Code of Civil Procedure § 1279.5 (a) reads, "Except as provided in subdivision (b), (c), (d), or (e), nothing in this title shall be construed to abrogate the common law right of any person to change his or her