Chalk and Banded iron formation Types and Facts
Types
Not Available
Algoma-type , Lake Superior-type, Superior-type and Taconite
Features
Clasts are smooth to touch, Is one of the oldest rock, Smooth to touch, Very fine grained rock
Is one of the oldest rock
Archaeological Significance
Monuments
Used
Not Yet Used
Famous Monuments
Data Not Available
Not Applicable
Sculpture
Used
Not Yet Used
Famous Sculptures
Data Not Available
Not Applicable
Pictographs
Used
Not Used
Petroglyphs
Used
Not Used
Figurines
Used
Not Yet Used
Types of Chalk and Banded iron formation
Some rocks according to their use or texture are classified into different types. Know more about Chalk Texture and Banded iron formation Texture. Types of Chalk are Not Available whereas the types of Banded iron formation are Algoma-type , Lake Superior-type, Superior-type and Taconite.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. Chalk was used to create pictographs whereas Banded iron formation 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. Chalk was used to create petroglyphs whereas Banded iron formation was not used to create petroglyphs.