The extremely mineralization-concentrated deposits are the result of mantle-crust compound mineralization with direct involvement of ore-forming materials derived from the mantle in the particular tectonic evolution of the Lanpin-Simao Basin.
Fluid characteristics of the Fenghuangshan copper (gold) skarn-porphyry deposit in Tongling, Anhui Province
In this area iron deposits are mainly subdivided into:(volcanic)meta-sedimentary type,contact-metasomatic type,magmatic type,complex type,sedimentary type,hydrothermal type,marine volcanic type,etc. Among them the(volcanic)meta-sedimentary type is the most important one. The resources occupies 84.02% of the total.