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
Deed of change of name Deed of change of name A deed of change of name is a legal document—used in the United Kingdom, Ireland and some other countries with legal systems based on English common law—for an official name change by a person or family. It is one use of a deed poll. Some organisations, such as government departments issuing passports and driving licences, may not recognise a name change without documentation, such as a deed or statutory declaration. However, an official document is not a legal requirement for a valid name change according to common law. In England and Wales, such a deed