Wehrlite and Norite Types and Facts
Types
Ultramafic rock
Ultramafic intrusive rock
Features
Constitutes upper part of the Earth's mantle, Generally rough to touch, Is one of the oldest rock
Smooth to touch
Archaeological Significance
Types of Wehrlite and Norite
Some rocks according to their use or texture are classified into different types. Know more about Wehrlite Texture and Norite Texture. Types of Wehrlite are Ultramafic rock whereas the types of Norite are Ultramafic intrusive rock.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 Norite 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 Norite were for creating petroglyphs.