More information. A metamorphic rock is a result of a transformation of a pre-existing rock. The original rock is subjected to very high heat and pressure, which cause obvious physical and/or chemical changes.Examples of these rock types include marble, slate, gneiss, schist.ore information. A metamorphic rock is a result of a transformation of a pre-existing rock. The original rock is subjected to very high heat and pressure, which cause obvious physical and/or chemical changes.
Top Definition. pentacle. The pentacle is a five pointed star within a circle, the points representing the four elements (fire, water, earth & air) and ether (spirit) and the circle represents eternity as most pagans believe in the eight-fold year and the spiral dance.. pentacle. a star inside a circle a pentacle is a symbol that pagans and wiccians use. just like the christians have the cross of crusifix. christians usualy think it is a satanic symbol but it isn't. it is. christian: that is a satanic star.
Penta means five and dactyl means digit in Greek. Almost all primates have 5 fingers on their hands and five toes on their feet. This is an ancient trait found among our early mammal and reptile ancestors.