Types
Algoma-type , Lake Superior-type and Superior-type
Basaltic Kimberlites and Micaceous Kimberlites
Features
Is one of the oldest rock
Always found as volcanic pipes over deep continental crust, Host rock for Diamond, Is one of the oldest rock, Surfaces are often shiny
Archaeological Significance
Monuments
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Famous Monuments
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Sculpture
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Famous Sculptures
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Pictographs
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Petroglyphs
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Figurines
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Fossils
Present
Absent