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Contact Deposits

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Contact Deposits 

deposits of minerals formed in the earth’s crust at the point of contact of hot magmatic rock with enclosing rock.



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For example, layered intrusions are subdivided into stratiform and contact deposits, with the stratiform deposits further subdivided into chromite and sulphide-associated deposits.
The four deposits include the Upper Main, Inter Main and East Main nickel-rich contact deposits and the copper-platinum-palladium-gold rich 700 footwall deposit, but exclude the 950 footwall, PM and Boundary deposits.
The zone is regarded as typical of Transitional Deposit styles of mineralization in Sudbury and may represent a transition from the nickel-dominant Levack Contact Deposits to the Cu-Pt-Pd-Au dominant Levack Footwall Deposit.
 
 
 
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