Pegmatite and Dolomite Types and Facts
Types
Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite
Boninite and Jasperoid
Features
Generally rough to touch, Is one of the oldest rock, Source of corundum, tourmalines, beryls and topaz
Host Rock for Lead, Traps for subsurface fluids like Oil and Natural Gas., Zinc and Copper Deposits
Archaeological Significance
Types of Pegmatite and Dolomite
Some rocks according to their use or texture are classified into different types. Know more about Pegmatite Texture and Dolomite Texture. Types of Pegmatite are Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite whereas the types of Dolomite are Boninite and Jasperoid.During historic times, some rocks depending on their hardness were used to create Pictographs and Petroglyphs. Rocks which are hard were generally not used. Pictographs are paintings or drawings that have been placed or created on the surface of rock. Pegmatite and Dolomite were for creating pictographs. Petroglyph is an image which is carved into a rock. These are images created by removing part of a rock surface by incising, picking, carving or abrading, as a form of rock art. Pegmatite and Dolomite were for creating petroglyphs.