. Transactions . the blue limestone and spreads out on the contact. * This branch is probably related to the gray porphyry developed in a verticalwinze, 140 feet deep, in the Silver Cord Mine, 250 feet southeast of the Silver Cordshaft. The collar of the winze is 50 feet below the vein. This body of gray por-phyry does not rise into the white porphyry, and does not appear in the limestoneat this elevation immediately north or south of this point. 188 SULPHIDE-DEPOSIT OF SOUTH IRON HILL, LEADVILLE, COL. It forms the hanging wall of the vein throughout the south end ofthe Lime claim, Smuggler Co
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. Transactions . the blue limestone and spreads out on the contact. * This branch is probably related to the gray porphyry developed in a verticalwinze, 140 feet deep, in the Silver Cord Mine, 250 feet southeast of the Silver Cordshaft. The collar of the winze is 50 feet below the vein. This body of gray por-phyry does not rise into the white porphyry, and does not appear in the limestoneat this elevation immediately north or south of this point. 188 SULPHIDE-DEPOSIT OF SOUTH IRON HILL, LEADVILLE, COL. It forms the hanging wall of the vein throughout the south end ofthe Lime claim, Smuggler Cons, and Iron Hill Cons. Mg. Co.sproperties, A. Y. claim, and the whole of the Stone claim, and is theupper sheet of gray porphyry mentioned above. The Mover fault begins at the point of intersection of the Cali-fornia gulch cross-fault and the Dome fault, situated in Californiagulch 600 feet west of the Montgomery quarry, runs from thencenortheast across the northwest corner of the Stone just south of Fig. 9, rAT. Section on line Y Z, Plate I. the Beaudry shaft, thence in a nearly straight line through theMoyer shaft to the Mike fault. The throw is up to the north, andon section line Y Z is 40 feet; in the A. Y. it is small, passingthrough large stopes; on section line E F G H, Fig. 2, Plate II., itis 150 feet. In the blue limestone north of the Moyer fault, there is a shallowsecondary cross synclinal with its axis running north of east, makingthe strike of the vein N. 4° W. near the fault. South of the fault*there is a shallow secondary anticlinal with its axis running; through