Abstract
"Statement of Problem: Metallurgy of Gold, etc.
Required, description of process and machinery used in the extraction of Gold and Silver from earthy and siliceous ores as found in California, the ores being represented by the following- SiO2, 91.44; (Zn,Pb)+Cu2S, 1.38; Al2O3, Fe2O3, etc. 6.39; Au, .0017, Ag2S .12, Variable in 1st, 2nd, and 3rd class ores.
1° - The methods, etc. employed in treating 1st class ores, -such as exceed in value $150 per ton.
2° - Methods, etc. in treating 2nd class ores, such as ore valued at less than $150 per ton.
Give in detail the chemistry of each process described, also illustrated by drawings of machinery &c. for crushing, separating, retorting, melting, casting, etc.
Give as nearly as possible the commercial values of all products and by-products.
Separation of gold and silver is included in this"--pages 3-4.
Department(s)
Materials Science and Engineering
Degree Name
Professional Degree in Metallurgical Engineering
Publisher
Missouri School of Mines and Metallurgy
Publication Date
1878
Pagination
30 pages, 6 plates
Geographic Coverage
Comstock Lode, Nevada
Rights
© 1878 L. R. Grabill, All rights reserved.
Document Type
Thesis - Open Access
File Type
text
Language
English
Subject Headings
Gold ores -- Nevada
Silver ores -- Nevada
Thesis Number
T 62
Print OCLC #
5920089
Electronic OCLC #
248659572
Link to Catalog Record
Recommended Citation
Grabill, Lee R., "Treatment of gold and silver ores as found in the Comstock Lode" (1878). Professional Degree Theses. 11.
https://scholarsmine.mst.edu/professional_theses/11
Figures 1-5
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Figures 6-8
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Figures 9-10
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Figure 11
Plate_V.tif (11260 kB)
Figures 12-13
Plate_VI.tif (13039 kB)
Figures 14-15
Comments
L. R. Grabill determined to be Lee R. Grabill from the "1874-1990 MSM-UMR Alumni Directory".
Holograph [Handwritten and illustrated in entirety by author].
Download includes a transcription of this handwritten thesis.