Required geologic data
• size, shape, and variability of the ore
deposit
• location information
• lithology
• mineralogy--abundance and morphology
• alteration
• structural
• rock competency data
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Geology and Mining: Evaluating Ore Deposits and Mine Development, Slides of Geology
An overview of the geologic data required for evaluating ore deposits and the process of mine development. Topics include the size and shape of ore deposits, location information, lithology, mineralogy, alteration, structural data, rock competency, data density integration, listing and recording of data sets, data analysis, sample support, economic parameters, mineral resource modeling, interpolation methods, mineral resource validation, ore grade, by-products, commodity prices, mineralogical form, grain size and shape, undesirable substances, size and shape of deposits, ore character, cost of capital, location, environmental considerations, taxation, political factors, lower costs, site development, construction, establish infrastructure, and processing/beneficiation/milling.
Typology: Slides
2012/2013
1 / 10
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Required geologic data
size, shape, and variability of the oredeposit
location information - lithology - mineralogy--abundance and morphology - alteration - structural - rock competency data
Report on reserves
Data Density Integration of GeologicalInformation - Listing/Recording of Data Set - Data Analysis - Sample Support - Economic Parameters - Mineral resource Model - Interpolation Method - Mineral Resource Validation
Evaluation of potential orebody
Grain size and shape: McArthur River200Mt, 10%Zn, 4%Pb, 0.2%Cu, 45ppmAg
Undesirable substances: As, Sb; calcite inacid leachable U ores - Size and shape of deposits: underground vsopen pit; Fig 1. - Ore character: hard vs soft (blasting, wallsupport) cost and safety
Evaluation of potential orebody
Cost of capital
Location: infrastructure and transportation - Environmental considerations: VERYimportant - Taxation: involved subject: depreciation, - Political factors: nationalization, foreignexchange
MINE DEVELOPMENT
lower costs
site development - construction - establish infrastructure - develop the mine - surface (open pit, strip mining) - underground (room and pillar, shrinkage stope) - solution/leaching