Metamorphic rock the foliation is called "gneissosity"), granoblastic (includes granulite, some marbles and quartzite), and hornfelsic (includes hornfels and skarn). 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
Name change substantially from their present name, e.g., if it is the same as that of a notorious criminal. In Taiwan, the government strictly regulates when one's surname, given name or both may or may not be changed, under the Name Act (姓名條例) since 1953 with 10 articles, totally amended into 14 articles in 2001, and the (姓名條例施行細則). Legally permitted reasons to change one's given name are: Adherents of various religions change their name upon conversion or confirmation. The name adopted may not have any legal status but will represent their adopted religious beliefs. There is no formal concept of conversion in