Colorado Paper - Discussion of the paper of Mr. F. C. Smith on the 0ccurrence and Behavior of Tellurium in Gold-Ores (see p. 485)
- Organization:
- The American Institute of Mining, Metallurgical, and Petroleum Engineers
- Pages:
- 6
- File Size:
- 264 KB
- Publication Date:
- Jan 1, 1897
Abstract
WALTER P. JENNEY, Rapid City, S. Dak.: This paper is the first publication, I believe, of the fact that traces, up to two or three ounces to the ton, of tellurium have been found in the gold ores of the Black Hills occurring in the Potsdam formation. There are two great classes of ore-deposits in the Black Hills. First, the gold-ores in the Archæan, of which the great Homestake lode, extending from Lead City to Central, in the northwest section of the Hills, may be taken as a type; second, the refractory gold-ores found in the Potsdam sandstone over a
Citation
APA: (1897) Colorado Paper - Discussion of the paper of Mr. F. C. Smith on the 0ccurrence and Behavior of Tellurium in Gold-Ores (see p. 485)
MLA: Colorado Paper - Discussion of the paper of Mr. F. C. Smith on the 0ccurrence and Behavior of Tellurium in Gold-Ores (see p. 485). The American Institute of Mining, Metallurgical, and Petroleum Engineers, 1897.