Molybdenum deposits
Read Online
Share

Molybdenum deposits a short review by Hess, Frank Lee

  • 892 Want to read
  • ·
  • 31 Currently reading

Published by Govt. print. off. in Washington .
Written in English

Subjects:

  • Molybdenum.

Book details:

Edition Notes

Statementby Frank L. Hess.
SeriesU.S Geological survey. Bulletin 761
Classifications
LC ClassificationsQE75 .B9 no. 761
The Physical Object
Paginationiv, 35 p.
Number of Pages35
ID Numbers
Open LibraryOL252577M
LC Control Numbergs 25000007
OCLC/WorldCa5771131

Download Molybdenum deposits

PDF EPUB FB2 MOBI RTF

Molybdenum deposits. Washington, D.C.: U.S. Department of the Interior, U.S. Geological Survey, (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Authors / Contributors: Frank Lee Hess; Geological Survey (U.S.). Porphyry copper, molybdenum, and gold deposits, volcanogenic deposits (massive sulfides), and deposits in layered rock Volume 3 of Case histories of mineral discoveries Massive Sulfides, and.   In the study of molybdenum deposits and most other minerals deposits, including copper, lead and zinc, there is speculation that most undiscovered ore results from an increase (or “growth”) in the estimated size of a known deposit due to factors such as exploitation and advances in mining and exploration technology, rather than in discovering wholly new by: 1.   Journals & Books; Help Download PDF Download. Advanced. Ore Geology Reviews. Vol Issue 1, December , Pages Mesozoic molybdenum deposits in the east Qinling–Dabie orogenic belt: Characteristics and tectonic settings. Author links open overlay panel J.W. Mao a F. Pirajno a b J.F. Xiang a J.J. Gao a H.S. Ye a Y.F. Li c B.J.

Deposits ar e large ( to 1, million metric tons of ore containing to about 1 weight percent molybdenum) and consist of stockworks of molybdenite- bearing veins and veinlets, within. PRINCIPAL MOLYBDENUM DEPOSITS OF COLORADO Molybdenum makes up only about percent of the earth's crust. Therefore, a mineral deposit containing percent molyb­ denum, a good workable ore grade, represents a concentration of about 1, fold.   And, a paper in this book also claims that "molybdenum ion" in oil can reduce deposits and make oil less likely to oxidize when used properly with other additives, but I don't know how ionized molybdenum is introduced to oil. Some key pages here are not visible, sorry. And, a paper in this book also claims that "molybdenum ion" in oil can reduce deposits and make oil less likely to oxidize when used properly with other additives, but I don't know how ionized molybdenum is introduced to oil.

Porphyry Cu and porphyry Mo deposits are large to giant deposits ranging up to >20 and Gt of ore, respectively, that supply about 60 and 95% of the world’s copper and molybdenum, as well as significant amounts of gold and silver. These deposits form from hydrothermal systems that affect 10s to > km3 of the upper crust and result in enormous mass redistribution and potential. Molybdenite is a rare mineral composed of molybdenum and sulfur. It is the primary ore of molybdenum, with important amounts of rhenium sometimes produced as a byproduct. Molybdenite is also used as a solid lubricant to reduce friction between sliding metal parts. Book Chapter Copper-Gold ± Molybdenum Deposits of the Ertsberg-Grasberg District, Papua, Indonesia Author(s) Clyde A. Leys Clyde A. Leys 1. Freeport-McMoRan Copper and Gold, Inc., N. Central Ave., Phoenix, Arizona Search for other works by this author on. In mineral deposit: Porphyry deposits deposits (and their close relatives, porphyry molybdenum deposits) contain disseminated mineralization, meaning that a large volume of shattered rock contains a ramifying network of tiny quartz veins, spaced only a few centimetres apart, in which grains of the copper ore minerals chalcopyrite and bornite (or the molybdenum ore mineral molybdenite).