Essays about: "porphyry"
Showing result 1 - 5 of 12 essays containing the word porphyry.
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1. Petrophysical Properties of Rocks in Central Kiruna Mining District, Sweden
University essay from Uppsala universitet/Institutionen för geovetenskaperAbstract : High economic and metallogenic significance of northern Norrbotten ore district in Sweden which hosts Kiruna mining district makes it a very important ore district in the world. Northern Norrbotten ore district contributes a combined 90 percent of iron production in Europe. READ MORE
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2. Geological characterization of rock samples by LIBS and ME-XRT analytical techniques
University essay from Luleå tekniska universitet/Geovetenskap och miljöteknikAbstract : One of the major challenges in earth sciences and mineral exploration has been to determine with high accuracy and at a fast rate the elemental composition as well as the general chemistry of a rock sample. Many analytical techniques e.g. READ MORE
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3. Geochemical Study of Trace and Critical Elements in Chalcopyrite and Pyrite from the Assarel Porphyry-Cu-Au Deposit, Bulgaria
University essay from Uppsala universitet/Institutionen för geovetenskaperAbstract : .... READ MORE
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4. A Geometallurgical Approach Towards the Correlation Between Rock Type Mineralogy and Grindability: A case study in Aitik mine, Sweden
University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurserAbstract : Aitik is a large copper porphyry type deposit located in northern Sweden, currently exploited at an annual rate of approximately 45Mt. The ore's exceptionally low head grade of 0.22 % Cu and varying degrees of hardness across the entire deposit pose challenges to the two fully autogenous grinding lines, each of which comprises a 22. READ MORE
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5. Geochemical and Mineralogical Comparison of XRT-XRF Scanning Technology Versus Traditional Analysis of Drill Core from the Assarel Porphyry Copper-Gold Deposit (Panagyurishte District, Bulgaria)
University essay from Uppsala universitet/Institutionen för geovetenskaperAbstract : Ongoing, environmental and economic matters related to mining sustainability and its impacts are leading to the search for new ways to asses and extract commodities more efficiently. A key aspect in the shift to more sustainable mining is the rapid, digital characterization of orebody mineralogy and geochemistry to help optimize the extractive process. READ MORE