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Mining Districts of the Dillon Quadrangle, Montana: And Adjacent Areas (Classic Reprint) - Softcover
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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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Mining Districts of the Dillon Quadrangle, Montana: And Adjacent Areas
Print-on-DemandAnbieter: Forgotten Books, London, Vereinigtes Königreich
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Paperback. Zustand: New. Print on Demand. This book takes the reader on a journey through the history and geology of a fascinating region of Montana, exploring its rich mining districts. The author delves into the story of early gold discoveries, the boom of placer mining in the 1860s, and the subsequent development of deep mines and the innovative introduction of dredging techniques. The book provides a detailed overview of the geological formations of the region, tracing the sequence of rocks from the most recent alluvial deposits to the ancient Archean system. Each mining district is examined in turn, with a focus on its unique geology, history of production, and the different types of ores found. Through its meticulous examination of the diverse geological features of the region, the book offers valuable insights into the processes that shaped the landscape and the economic activity it supported. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9781330604540_0
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Mining Districts of the Dillon Quadrangle, Montana And Adjacent Areas Classic Reprint
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PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9781330604540
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Mining Districts of the Dillon Quadrangle, Montana And Adjacent Areas Classic Reprint
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PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9781330604540
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Mining Districts of the Dillon Quadrangle, Montana : And Adjacent Areas (Classic Reprint)
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Zustand: Sehr gut. Zustand: Sehr gut | Sprache: Englisch | Produktart: Bücher. Bestandsnummer des Verkäufers 25928328/2
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