23 - ERTH2&0&/1&...

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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; NT Photo: C> Samson ERTH2&0&/1& Resources 2 Lecture oblectives N To understand in which geoogica circumstances are economica deposits of mineras and energy resources found ERTH2&0&/1& Resources 3 Contents N Mineral resources onmetallic resources Metallic resources Diamonds N Energy resources Fossil fuels Uranium ERTH2&0&/1& Resources & Mineral resources ERTH2&0&/1& Resources 5 Canadas minerals and metals A global presence N Canada ranks among the worlds 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 Canadianbased 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 \ Nonmetallic 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 nonmetallic 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 preexisting 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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This note was uploaded on 11/13/2011 for the course CIVE 2*** taught by Professor - during the Spring '11 term at Carleton CA.

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23 - ERTH2&0&/1&...

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