Understanding Mineral Deposits

Misra, Kamakhya Prakash

doi:10.1007/978-94-011-3925-0

Cited by 95 publications

(58 citation statements)

References 963 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The development of arc-related porphyry molybdenum deposits is favored at greater depths than porphyry copper deposits because of differences in the behavior of molybdenum relative to copper during magmatic evolution (Candela and Holland, 1986;Misra, 2000). Copper behaves as a compatible element before water saturation of the magma, but acts as an incompatible element afterward, whereas molybdenum acts as an incompatible element throughout the crystallization process.…”

Section: Depth Of Emplacementmentioning

confidence: 99%

Arc-related porphyry molybdenum deposit model

Taylor¹,

Hammarstrom²,

Piatak³

et al. 2012

Scientific Investigations Report

View full text Add to dashboard Cite

Section: Depth Of Emplacementmentioning

confidence: 99%

Arc-related porphyry molybdenum deposit model

Taylor¹,

Hammarstrom²,

Piatak³

et al. 2012

Scientific Investigations Report

View full text Add to dashboard Cite

“…At the end of the evaluation process, it can be stated that, in relation to the volume extracted in the recognized panels, the amount of gold is compatible with that of other contexts characterized by the same type of ore deposits, generally referred as "mesothermal", or "orogenic" gold deposits Phanerozoic in age (Misra, 2000). These deposits, in fact, typically range in grade between 5 and 15 g/t (with peaks up to 25 g/t: Nesbitt, 1993) and, although usually not comparable with the "giant" Archean fields, they represent an important gold source in the world.…”

Section: Discussionmentioning

confidence: 99%

Preliminary Studies Aimed at the Re-Opening of Pestarena Gold Mine (North-Western Alps, Italy)

Giuliani¹,

Mandrone²,

Rossetti³

2015

American Journal of Environmental Sciences

View full text Add to dashboard Cite

Abstract:Gold, among all conventional metals subject to a progressive increase in value in the international market, has jumped powerfully into the spotlight during all economic crises. This contingency led to reconsider the dismissing process of some Italian mining sites and in particular at Pestarenain the Anzasca Valley near Macugnaga (NW Alps) -the most important historical gold mine in the Alps. This mine site interests an area of 4 km 2 through about 40 km of tunnels. The orebodies are composed of gold-bearing post-metamorphic structures, represented by mineralized cataclasites and veins, often discontinuous and with complex structural geometry. Such a structural complexity makes it difficult to assume a profitable method of exploitation without a whole prospection of the deposit, pursuing the goals of safety and sustainability of the mine. In order to visualize the geometric relationships between orebodies and mine levels, it was necessary to digitalize the unique still existing mining plan, updated at the end of 1960 when the mine was closed. This process led to the creation of a 3D digital map. This has proven critical in the understanding of spatial relationships between surface topography and mine elements. The study allowed us to plan further field surveys based on new criteria that gave a better geo-mining knowledge of the site. It also demonstrates a potential interest for the exploitation of immediately exploitable gold resources and give interesting highlights on the possible future development of the mine activities.

show abstract

“…Most molybdenum ore deposits are associated with porphyry granite or quartz monzonite plutons, and the primary ore mineral is molybdenite (MoS 2 ; for example, Misra, 2000). However, high concentrations of molybdenum also are found in organic-rich sediments and sedimentary rocks deposited in sulfidic environments (Crusius and others, 1996).…”

Section: Molybdenummentioning

confidence: 99%

Understanding Mineral Deposits

Cited by 95 publications

References 963 publications

Arc-related porphyry molybdenum deposit model

Arc-related porphyry molybdenum deposit model

Preliminary Studies Aimed at the Re-Opening of Pestarena Gold Mine (North-Western Alps, Italy)

Groundwater quality in the Western San Joaquin Valley study unit, 2010: California GAMA Priority Basin Project

Contact Info

Product

Resources

About