Pegmatite and Basalt Types and Facts

Pegmatite

Basalt

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Types

Features

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite

Generally rough to touch, Is one of the oldest rock, Source of corundum, tourmalines, beryls and topaz

Absent

Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite

Has High structural resistance against erosion and climate, Very fine grained rock

Easter Island in the Polynesian Triangle, Pacific Ocean, Gateway of India in Mumbai, India, Gol Gumbaz in Karnataka, India

Absent

Types of Pegmatite and Basalt

Some rocks according to their use or texture are classified into different types. Know more about Pegmatite Texture and Basalt Texture. The types of Pegmatite and Basalt are .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 Basalt 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 Basalt were for creating petroglyphs.