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23 - ERTH2&0&/1& Resources 1 RESO%RCES Instructor...

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Unformatted text preview: ERTH2&0&/1& Resources 1 RESO%RCES Instructor: Claire Samson; Ph>D>; P>Eng> Ane day of production at EkatiDiamond Mine; N¡T Photo: C> Samson ERTH2&0&/1& Resources 2 Lecture oblectives N To understand in which geo¡ogica¡ circumstances are economica¡ deposits of minera¡s and energy resources found ERTH2&0&/1& Resources 3 Contents N Mineral resources – ¡on¢metallic resources – Metallic resources – Diamonds N Energy resources – Fossil fuels – Uranium ERTH2&0&/1& Resources & Mineral resources ERTH2&0&/1& Resources 5 Canada’s minerals and metals A global presence N Canada ranks among the world’s top five producers of 1& mineral commodities – IorldXs leader in production of potash and U N ¡n 200Y; about 20% of the worldXs exploration spending was planned for Canada – Most preferred target for exploration in the world N Canadian¢based companies conduct about &0% of all mineral exploration undertaken in the world ERTH2&0&/1& Resources Y Non-metallic resources Ref: Tarbuck> Digital imagery> ERTH2&0&/1& Resources \ Non¡metallic resources ¢ Represent most (>_0%) of the US annual per capita consumption of resources – Similar situation in Canada ¢ Sedimentary rocks account for a large part of the non¡metallic resources – Detrital sedimentary rocks ¢ Sand and gravel ¢ Silt and clay – Inorganic chemical sedimentary rocks (syn£ evaporites ) ERTH2&0&/1& Resources _ Detrital sedimentary rocks N Ieathering of pre¡existing rocks N Erosion by wind and water N Deposition in several environments – Fluvial – Glacial – Coastal Note the spatial distribution of sand9gravel versus silt9clay Ref: Evans; 2003> ERTH2&0&/1& Resources 11 Evaporites N Precipitation in buiet; shallow lagoons N Minerals: – Halite (¡aCl) N Salt domes – Sulphates N Gypsum (CaSA & >2H 2 A) N ¢nhydrite (CaSA & ) – Potash N General term for potassium (£) carBonate; oxide or hydroxide ERTH2&0&/1& Resources 12 Lagoon depositional environment Ref: Craig et al>; 2001> ERTH2&0&/1& Resources 13 Salt dome Ref: Celler; 1__Y> ERTH2&0&/1& Resources 1& Metallic resources ERTH2&0&/1&...
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23 - ERTH2&0&/1& Resources 1 RESO%RCES Instructor...

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