Haynes orebody (Contention claim), United Verde Mine (The Big Hole; Hull; Hopewell tunnel), Jerome, Verde District, Black Hills (Black Hill Range), Yavapai Co., Arizona, USA

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‡Ref.: Anderson, C.A. & S.C. Creasey (1958), Geology and ore deposits of the Jerome area, Yavapai Co., AZ, USGS PP 308: 92, 93, 130-132.

Located due west of the United Verde orebody on the opposite (western) side of the gabbro. Acquired from the Jerome Mines Development Co. by the Haynes Copper Co. in 1904. Later successively owned by the Monarch Copper Co., Jerome Victor Extension Copper Co., and the West United Verde Copper Co. In October, 1919, the West United Verde Copper Co. deeded the claim to the United Verde Extension Co. A decision was made to explore the ground under the Haynes shaft and this was done by means of a drift driven on the 3000 level of the United Verde Mine. This drift was started July, 1930, and reached the Haynes massive sulfide pipe in June, 1931.

The Haynes pipe is a steeply-plunging body of massive sulfide and quartz that is relatively small in cross section compared with the length along the axis. It extends from a short distance above the 2700 level downward to an undetermined point between the 3450 and 3700 levels of the United Verde Mine. On the 3000 level the pipe is triangular shaped with each leg at about 120 feet long. The cross sectional area seems to diminish upward abnd downward from there. With depth the sulfide pipe elongates parallel to the gabbro contact. The bearing of the axis and the plunge vary.

Shaft sunk to 700 feet between 1907 and 1911; subsequently deepened to 1,200 feet, with about 1,700 feet of drifts and crosscuts on the 700 level and 700 feet on the 1200 level.

Mineral List

Chalcopyrite 'Chlorite Group'

Magnetite Pyrite

Pyrrhotite Sphalerite

6 entries listed. 5 valid minerals.