Maergaiti copper deposit is located at Tarim Plate in Xinjiang, north side of suture zone of middle Tianshan-Kazakstan collisional joint. Ore body mainly produced in the top of the outer contact zone, showing the surface shape or the shape of tubular and layered. Deposit is mainly controlled by tectonic breccia zone at the top of porphyry. Prospecting direction is hidden explosive breccia structure of porphyry in the region.