Phyllite and Trondhjemite Types and Facts
Types
Not Available
Not Available
Features
Easily splits into thin plates, Is one of the oldest rock, Surfaces are often shiny
Is one of the oldest rock, Typically speckled black and white.
Archaeological Significance
Monuments
Not Yet Used
Not Yet Used
Famous Monuments
Not Applicable
Not Applicable
Famous Sculptures
Data Not Available
Data Not Available
Pictographs
Used
Not Used
Petroglyphs
Used
Not Used
Types of Phyllite and Trondhjemite
Some rocks according to their use or texture are classified into different types. Know more about Phyllite Texture and Trondhjemite Texture. The types of Phyllite and Trondhjemite are Not Available.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. Phyllite was used to create pictographs whereas Trondhjemite is not used to create 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. Phyllite was used to create petroglyphs whereas Trondhjemite was not used to create petroglyphs.