Hornfels and Basalt Types and Facts

Hornfels

Basalt

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Types

Features

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Biotite hornfels

Smooth to touch

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 Hornfels and Basalt

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