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Obsidian and Banded iron formation Types and Facts


Banded iron formation and Obsidian Types and Facts


Types

Types
Fireworks Obsidian, Mahogany, Sheen Obsidian, Snowflake obsidian and Velvet Peacock Obsidian   
Algoma-type , Lake Superior-type, Superior-type and Taconite   

Features
Blocks negativity, Helps to protect against depression   
Is one of the oldest rock   

Archaeological Significance
  
  

Monuments
Not Yet Used   
Not Yet Used   

Famous Monuments
Not Applicable   
Not Applicable   

Sculpture
Not Yet Used   
Not Yet Used   

Famous Sculptures
Not Applicable   
Not Applicable   

Pictographs
Used   
Not Used   

Petroglyphs
Used   
Not Used   

Figurines
Not Yet Used   
Not Yet Used   

Fossils
Absent   
Present   

Formation >>
<< Uses

Types of Obsidian and Banded iron formation

Some rocks according to their use or texture are classified into different types. Know more about Obsidian Texture and Banded iron formation Texture. Types of Obsidian are Fireworks Obsidian, Mahogany, Sheen Obsidian, Snowflake obsidian and Velvet Peacock Obsidian 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. Obsidian 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. Obsidian was used to create petroglyphs whereas Banded iron formation was not used to create petroglyphs.

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