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 procedure, requirements and law surrounding the issue in Northern Ireland are similar to those in England and Wales. In England, Northern Ireland and Wales, a deed of change of name will not change the name on a birth certificate. For instance, when applying for a passport, both the certificate and the deed would need to be presented as documents of identity. In Northern Ireland, for children between the ages of two and eighteen years, only one change of forename(s) and one change of surname may be recorded. In Scotland, it is also possible to record a change of name on