scholarly journals Contributions to economic geology, 1913, Part I, Metals and nonmetals except fuels. The Darwin silver-lead mining district, California

10.3133/b580a ◽  
1915 ◽  
Keyword(s):  
Economic Geology ◽  
Mining District ◽  
Lead Mining

scholarly journals The geology of the Breckenridge, Colorado District

1916 ◽  
Author(s):  
◽  
Edgar Wesley Owen
Keyword(s):  
Structural Geology ◽  
Economic Geology ◽  
Good Deal ◽  
Considerable Extent ◽  
The Other ◽  
Mining District ◽  
University Of Missouri ◽  
Igneous Intrusions ◽  
Southern Half ◽  
The University

Text from page 1: "The work used as a basis for this report was done during a part of the Summer of I9I5 in connection with a geologic investigation carried on by a party from the University of Missouri, in charge of Prof. W. A. Tarr. The work included the mapping of the areal geology of the southern half of the Breckenridge, Colorado, mining district and a study of the structural geology of the region. The different igneous intrusions were studied, both as to the character of their rocks and their relation to and effect on the other rocks of the area. A good deal of time was devoted to the study of the economic geology and to the physiography of the district, with special emphasis on the processes and principles involved in each case. The glacial deposits and the part the ice played in developing the physiography of the region were studied to a considerable extent."

Finding’s Keeping

2020 ◽  
pp. 19-45
Author(s):  
Jarod Roll
Keyword(s):  
Civil War ◽  
Transportation Networks ◽  
Corporate Control ◽  
White Men ◽  
Mineral Deposits ◽  
Mining District ◽  
Market Revolution ◽  
Mineral Wealth ◽  
National Market ◽  
Lead Mining

This chapter explains the discovery of lead mineral deposits and development of lead mining in southwest Missouri in the 1850s. Far from markets and transportation networks, working miners discovered and claimed rich deposits of lead mineral in this isolated region in the midst of a national market revolution that made lead more profitable than ever. Their discoveries soon attracted the attention of lead-starved smelting companies from St. Louis and elsewhere that tried to take control of the mineral wealth from the miners, most of whom were white men. The miners resisted corporate control because they believed that the mines rightfully belonged to them by virtue of discovering and developing them. By the time of the Civil War, miners and the smelting companies had negotiated a compromise based on leasing. Miners worked leasehold mines and sold their lead mineral to smelting companies for favorable prices, thus preserving the rights and privileges of the men who discovered the lead, and also creating good opportunities for miners who moved to the area. While the war devastated mining in the region, the companies rebuilt the mining district after the war by reinstating the favorable terms for working miners.

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