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    Dolomite mining process is the solution of separating dolomite concentrate from Dolomite raw ore Based on mosaic structure of the Dolomite mine and years of mining process experiences, Xinhai applying Dolomite mining process of two stage crushing, washing, then three stage separating, flotation process will be used to process Dolomiteplex

  • Mineral Resources of Nepal and their present status

    Nepal has over 200 years long history of indigenous mining activities Small scale historical iron, c opper, lead, zinc, cobalt, nickel mines and placer gold panning in the major rivers and many slate, quartzite, dolomite and limestone quarries were operational in many districts

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    Dolomite – Nevada Mining Association Dolomite is a common mineral, typically found in a wide variety of rocks It is the main component of dolostone, a type of sedimentary rock As a mineral, dolomite is used in agriculture, where its ability to neutralize acid makes it a key ingredient in specialty fertilizer and soil conditioner Get Price

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    Mining of Lunkush Limestone Deposit at Rampur, Ghorahi Sub Metropoli tan, Dang District, Province No 5 50 Limesto ne Mining License Geology Limestone belongs to Gwar Formation Others rocks in the area are dolomite and Quartzite Geological reserve of 406 mil tones within 47ha study area Average assay of CaO – 4866 % and MgO – 266 %,

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    Processing of dolomite Dolomite after its mining has to undergo several processing before it can be used in various processes The basic processes in the production of dolomite are (i) quarrying of raw dolomite, (ii) preparing mined dolomite for its use by crushing and sizing, (iii) calcining of raw dolomite, (iv) processing the calcined

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    Copper occurs in Nepal in more than 107 locations Industrial minerals Recent studies have shown that Nepal may have 25 billion metric tonnes of cement grade limestone Nepal has an estimated potential of 5 billion metric tonnes of dolomite and 180 million metric tonnes of high grade magnetite

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    Process of cement production in Nepal Fig 2 Limestone distribution in Nepal (Shrestha 2001) Grade CaO % MgO % Cement grade limestone >44 ~30 Low grade limestone <44 <25 Magnesium grade limestone 3−6 Dolomitic limestone 6−10 Dolomite 10−20 Table 1 Grading scheme used for classification of limestone, IBM

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    Manufacturing process Dolomite is found mostly under the earth’s surface, therefore underground mining methods are required to extract them One common method used is room and pillar mining The mineral will be mined in a horizontal fashion underground and the mineral will be removed in a room and pillar horizontal array to support the roof

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    Geology of Nepal is very complex because of continues geodynamic process in the Himalayan region and that resulted many thrusting, faulting, folding, magmatic activities and metamorphic effects Nepal Himalaya can be divided into five distinct morphogeotectonic zones from south to north (Fig1) From mineral resources point of view, the southernmost Terai Plain is potential for gravel,

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    A number of small scale historical iron, copper, lead, zinc, cobalt, nickel mines and many slate, quartzite, dolomite and limestone quarries were in operation in many districts Old working pits, audits, smelting places, scattered slag and remnant of mine materials are the solid proofs of such mining activities in the past

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