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