Comparative study for the Guandi of Jilin province and the Maoshan of North Korea banded iron formations
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Abstract
The study of the Guandi iron deposit of Jilin province and the Maoshan iron deposit of Jilin province North Korea, indicate both of them are Algoma-type banded iron formations (BIFs).By comparing, they have obvious differences in reserves, the rest are comparable.Their ore-bearing series of the original rocks are the basic-ultrabasic volcanic rocks and volcanic clastic rocks, sedimentation occurred in the Neoarchean, and metamorphism occurred in the early Paleoproterozoic.In the future prospecting work, we should concentrate on the distribution area of supracrustal rocks, consider faults offset ore body and the enrichment of the ore body at the turn of folds.
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