Harzburgite and Breccia Types and Facts
Types
Ultramafic rock
Collapse Breccia, Fault Breccia, Flow Breccia, Pyroclastic Breccia, Igneous Breccia and Impact Breccia
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, Clasts are smooth to touch
Archaeological Significance
Types of Harzburgite and Breccia
Some rocks according to their use or texture are classified into different types. Know more about Harzburgite Texture and Breccia Texture. Types of Harzburgite are Ultramafic rock whereas the types of Breccia are Collapse Breccia, Fault Breccia, Flow Breccia, Pyroclastic Breccia, Igneous Breccia and Impact Breccia.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. Harzburgite and Breccia 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. Harzburgite and Breccia were for creating petroglyphs.