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
Means to an end to an end and that people must—under all circumstances—be treated as ends in themselves. This is in contrast to some interpretations of the utilitarian view, which allow for use of individuals as means to benefit the many. A means to an end is also an idiom. It often refers to an activity (such as an undesirable job) that is not as important as the goal you hope to achieve (monetary gains for example). For example, Sam does not have any professional ambitions. For her, work is just a means to an end. One starts something and finishes it, without that