The Research On Surface Ore-controlling Structures Of Zha Xi Kang Pb-zn Deposit

Zha xi kang Pb-zn Deposit Located in the north Himalayan continental margin fold zone.The tectonic evolution and the evolution of the tethys ocean and the Indian continent collision with the Asian continent are closely related.Zha xi kang Pb-zn Deposit is the south Tibetan Au-Sb mineralization belt first into scale,rich in sulfur salt content as the main characteristics of Pb-zinc-Sb-Ag polymetallic deposit.The author through regional route geology investigation,structural mapping,The geological characteristics of ore bodies and mining engineering has carried on the resolution,Deposit within each type of the deposit ore-controlling structure plane the morphological characteristics of the ore bodies,Draw the following conclusions:Zha xi kang Pb-zn Deposit consists of yala shampoo nuclear complex belt andTake day harmony nuclear complex fault belt,Zha xi kang deposit is in harmony with day fault metamorphic core complex structure north wing decollement structural belt,Tear joint belt? Detachment fold structure and Sheath fold is important controlling role for mineralization,Provides a guide ore mineralization and ore space.Take day harmony fault decollement zone is distributed in the northern wing ready exploration in central district,Influenced by southern Tibet stretch into events,The extension of the area north of stress to slip?To take the day harmony fault as a starting point,To the north to form A series of type A fold structure based including bedding detachment,type A fold,tear and weak deformation style combination,The distribution of the ore deposit strictly controlled by the tectonic deformation styles.Scabbard fold,torn between joint belt and bedding is the main ore-controlling structure in the mine,It controls the distribution of magmatic rocks and minerals,Constitutes the migration of hydrothermal fluid channel and deposition space,Tear joint plane,plane surface is an important ore-controlling structure,For thedevelopment of the ore bodies provided migration channel and deposition space.Comprehensive the above understanding,Zha xi kang deposit is controlled by the tectonic fluid medium to low temperature deposit.Combined with engineering control situation,the geological characteristics of ore bodies,mining engineering analysis,Deep mining area have great prospecting potential,A sheath fold and tear joint structure has the advantages of metallogenic area,Prospecting prospect is good.