Arkose and Mudstone Types and Facts
Types
Arkose
Marl, Shale and Argillite
Features
Available in Lots of Colors and Patterns, 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 Arkose and Mudstone
Some rocks according to their use or texture are classified into different types. Know more about Arkose Texture and Mudstone Texture. Types of Arkose are Arkose 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. Arkose 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. Arkose and Mudstone were for creating petroglyphs.