EarthResources - Energy & Mineral Resources...

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Unformatted text preview: Energy & Mineral Resources Resources things that have utility Types of material resources agricultural food and clothing forest food, wood and Fber Earth materials everything else! Mineral resources non-renewable Mineral resources mantra: there is only one crop and only one harvest if it can ! t be grown, then it must be mined / extracted from the Earth Introduction to Earth Resources Formation of Earth resources is a fundamental aspect of specic geologic processes and environments, i.e. resources occur in rocks that formed under certain conditions can be used in a predictive manner to locate supplies to meet global resource needs. (Mineral / Earth) Resources economic denition Value what is something worth? Unit Value $ per barrel / ton / pound / kg / g / ct / etc. Place Value Philosophical Value? Types of Earth/Mineral Resources Energy resources petroleum, coal, uranium, etc. Metallic resources abundant (>0.1% ave crustal abundance) scarce (<0.1%) metals Industrial (non-metallic) mineral resources chemical, construction, soils, water, etc. Resources if they dont grow, then they have to be mined (extracted from the Earth) Consumers- petroleum- metal (wire, steel, etc)- glass- plastics (chemical)- electronic components- etc, etc, etc. Everything is made of something (and typically many things)! . . . a cell phone, iPod, auto, airplane, etc. Resources and Society 6+ billion people on Earth; likely 10-12 billion by 2100! 20th century annual global pop growth = 1.3%; if rate is 50% reduced for 21st century = 11.5 billion! increasingly urban societies % of population estimated to live in >100,000 cities: 1800 AD 1.7% 1900 5.5 1950 13.1 1970 24.0 2010 50+% 1950 1 city >10 m 2015 21 >10 m 37 (5 to 10 m) enormous demand on materials for infrastructure Resources and Society Enormous demand on materials for infrastructure Resources and Society Per Capita Consumption of Mineral Resources by Industrialized countries U.S. example Resources and Society MINERAL RESOURCES energy = the ability to do work . . . where global society finds itself 80+% of global energy is supplied from fossil fuels most energy consumption is as electricity (~ all except oil) CONSUMPTION OF FOSSIL FUELS (oxidizes C) Conversion of energy stored in fossil fuels, whether as coal-burning electricity-...
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This note was uploaded on 07/15/2009 for the course GEO 80355 taught by Professor Kyle during the Spring '09 term at University of Texas at Austin.

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EarthResources - Energy & Mineral Resources...

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