Saturday, April 25, 2015

Geographical Localization

is a narrow linear stretch of land having series of deposits of associated minerals, such as, Colorado gold-molybdenum belt, US, Grant uranium mineral Belt, New Mexico Khetri copper belt, Rajpura-Dariba-Bethumni zinc-lead-silver belt, Rajasthan, Sukinda chromite belt, Orissa, India.

is comprised of a single or a group of mineral occurrences of sufficient size and grade separated by natural narrow barren parting.
Examples Broken Hill group of zinc-lead deposits, Australia, Zawar group of zinc-lead deposits, India, Red Dog zinc-lead deposit, Alaska, OK Tedi copper deposit, Papua New Guinea, Olympic Dam copper-gold-uranium-silver deposit, South Australia, Neves Corvo poly-metallic deposit, Portugal and Stillwater group of platinum deposit, US.

is a well-defined area having mineral concentration wholly or partly of economic value, such as Broken Hill main, Australia, Bailadila deposit-14, Central Mochia, India. The blocks in underground mining are subdivided to “Level” (say: upper level, lower level, 500-700 and 300-500 mRL). The levels are further split into “Stope (say:West 301 stope, North 101 stope, Valley stope). These terms are locally convenient to use for attention and allocation of work activities in mineral exploration and sequencing mine production block.
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