Excerpt from Mining Districts of the Dillon Quadrangle, Montana: And Adjacent Areas

The mining districts of the Dillon quadrangle are for the most part in or near granitic intrusions. (see fig. Thus, the Independence district is Wholly within the area of the Boulder batholith, extending from Missoula Gulch (in Butte) and from Silver Bow southward to the Continental Divide. Farther south the Divide Creek district, in the area of the same batholith, extends from the Great Divide south to the region of Moose Creek. The Fleecer Mountain district is in an area of limestone and other sedimentary rocks which are cut by the same batholith. The Siberia (german Gulch) district lies near the contact of the batholith with quartzites and conglomerates.

The Moose Creek district is near the head of Moose Creek, where the batholith is'in contact with Paleozoic limestones. The Highland district is not far from the head of Fish Creek, near a contact between the batholith and limestones and sandstones. The Silver Star district lies close to a similar contact south of Cherry Creek and north of Hell Canyon.

The Melrose district, on Soap and Camp creeks, lies in an area of limestone and sandstone not far from contacts with the Boulder batholith or its outliers.

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