Mudstone and Kimberlite Types and Facts
Types
Marl, Shale and Argillite
Basaltic Kimberlites and Micaceous Kimberlites
Features
Available in Lots of Colors and Patterns, Smooth to touch, Very fine grained rock
Always found as volcanic pipes over deep continental crust, Host rock for Diamond, Is one of the oldest rock, Surfaces are often shiny
Archaeological Significance
Types of Mudstone and Kimberlite
Some rocks according to their use or texture are classified into different types. Know more about Mudstone Texture and Kimberlite Texture. Types of Mudstone are Marl, Shale and Argillite whereas the types of Kimberlite are Basaltic Kimberlites and Micaceous Kimberlites.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. Mudstone and Kimberlite 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. Mudstone and Kimberlite were for creating petroglyphs.