The Establishment of Ore-Controlling Fracture System of Baoginshan Gold Mine Based on Fracture-Tectonic Analysis

Figure 1

Regional geological map of the central Hunan Province. (1) Cretaceous-Paleogene. (2) Carboniferous-Triassic. (3) Devonian. (4) Ordovician-Silurian. (5) Sinian-Cambrian. (6) Neoproterozoic. (7) Yanshanian granite. (8) Late Indosinian biotite (two-mica) granite. (9) Late Indosinian porphyroid monzonitic granite. (10) Caledonian granite. (11) Major deep fracture. (12) Geological boundary. (13) Unconformable boundary line. (14) Ore deposit (ore spot). (15) Study area.