Wehrlite and Mudstone Types and Facts
Types
Ultramafic rock
Marl, Shale and Argillite
Features
Constitutes upper part of the Earth's mantle, Generally rough to touch, Is one of the oldest rock
Available in Lots of Colors and Patterns, Smooth to touch, Very fine grained rock
Archaeological Significance
Types of Wehrlite and Mudstone
Some rocks according to their use or texture are classified into different types. Know more about Wehrlite Texture and Mudstone Texture. Types of Wehrlite are Ultramafic rock whereas the types of Mudstone are Marl, Shale and Argillite.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. Wehrlite and Mudstone 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. Wehrlite and Mudstone were for creating petroglyphs.