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Banded iron formation
Banded iron formation

Hornfels
Hornfels



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Banded iron formation
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Hornfels

Banded iron formation and Hornfels Types and Facts

1 Types
1.1 Types
Algoma-type , Lake Superior-type, Superior-type and Taconite
Biotite hornfels
1.2 Features
Is one of the oldest rock
Smooth to touch
1.3 Archaeological Significance
1.3.1 Monuments
Not Yet Used
Used
1.3.2 Famous Monuments
Not Applicable
Data Not Available
1.3.3 Sculpture
Not Yet Used
Not Yet Used
1.3.4 Famous Sculptures
Not Applicable
Not Applicable
1.3.5 Pictographs
Not Used
Used
1.3.6 Petroglyphs
Not Used
Used
1.3.7 Figurines
Not Yet Used
Not Yet Used
1.4 Fossils
Present
Absent

Types of Banded iron formation and Hornfels

Some rocks according to their use or texture are classified into different types. Know more about Banded iron formation Texture and Hornfels Texture. Types of Banded iron formation are Algoma-type , Lake Superior-type, Superior-type and Taconite whereas the types of Hornfels are Biotite hornfels.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 Hornfels 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 Hornfels was used to create petroglyphs.