The Divide Creek district includes the upper portion of Divide Creek, a south-flowing tributary of the Big Hole River, and its tributary streams on the west slopes of the Highland Mountains range west of the town of Divide. Placer mining has occurred intermittently along Divide Creek. In 1921 seven lode mines in the district produced 118 tons of ore containing $296 in gold; 3,654 ounces of silver; 232 pounds of copper; and 13,786 pounds of lead. Total value for the district's best year was $4,600 or about $38.98 per ton. Some ore shipped from the district was also noted in 1941 (Sahinen 1950).
The district is in an abandoned valley of a major Tertiary waterway. The river channel rests on the bedrock quartz monzonite of the Boulder batholith. In the area three to five miles southeast of Feely the rock is cut by aplite dikes. Mineralized veins are closely associated with these dikes (Winchell 1914).
BOUNDARIES OF THE DISTRICT
Winchell (1914) places the district south of the Continental Divide on either side of Divide Creek. This creek originates on the north and east slopes of Fleecer Mountain. The creek flows eastward approximately parallel with the Continental Divide and not more than a mile south of it for five miles. Encountering an abandoned valley once carved by large river, the stream runs southward. The creek eventually flows into the Big Hole River near the town of Divide.
To the north of the district, across the divide is the Independence district which is considered a sub-district of the Butte district. On the west side of Divide Creek, southwest of Feely, the geologic conditions are sufficiently different to warrant designation as a separate district; this area is sometimes known as the Fleecer District.
Divide Creek district is located in Silver Bow County, north of Moose Creek district; west of Fleecer Mountain district and east of the Basin Creek district.
Sahinen (1950) refers to the Divide Creek area which extends on the north from Climax Gulch east of Beaudines to Camp Creek on the south.
Figure 1 shows the district as defined by the AMRB (1994) with the smaller, southern portion the area historically considered in the Divide Creek district (Winchell 1914).
Abandoned Mine Reclamation Bureau (AMRB)
1994 Mining districts of Montana. Maps 1:100,000 and Map #94-NRIS-129. Compiled and edited by Joel Chavez. Prepared by Montana State Library Natural Resource Information System (NRIS) for Montana Department of State Lands. Helena
Hall, J. H. and M. L. Rickman
Montana Bureau of Agriculture, Labor and Industry, Thirteenth Report, for years 1911 and 1912
Sahinen, Uuno M.
1950 "Geology and Ore Deposits of the Highland Mountains, Southwestern Montana",
Montana Bureau of Mines and Geology
, Memoir 32.
Winchell, Alexander Newton
1914 "Mining Districts of the Dillon Quadrangle, Montana and Adjacent Areas",
U.S. Geological Survey, Bulletin 574