Resources Geolog

Resources Geolog - 19:34 ResourceProductionsisfinite

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19:34 Resource Productions is finite Starts at 0 peaks then back to 0 Gaussian Curve o Bell Curve What do we get when there is a new deposit discovery? o Overlapping Gaussian Curve o Critical point is where second deposit takes over Can be extended to other ways of gathering resources, new extraction  technology o Would make lower grade deposits economic New material technology o Allows for replacement of previous material The Hewett Curve With new discoveries, more resources are available If discoveries don’t occur, production hits 0 Resource Importance Resources are like air – of no great importance… until you aren’t getting any IF you can’t grow it, you have to mine it What drives resource usage? o Population increases o Technology changes
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o They are not independent factors Coal was not a valuable resource until: Trees were running out Steam Engines were invented Tools and Resources o New tools allow the exploitation of new resources o Stone Age. Required sources of quality stone (Flint). Allowed the mining of copper and tin materials Bronze Age Copper o Chemical Symbol CU Short for latin cuprum o Where did this name come from? -Radium -Germanium Gallium Einstenium Came from Cyprus Clasify Resource Deposits Classiy by Value
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o Economic, marginal or sub-economic? Classify by knowledge. o Has a deposit been identified? o Has it been measured or just located? o Has it been inferred? o Are there areas with existing deposits that may hold others? Types of Resources Inexhaustible (Perpetual) o Constantly replenished, or so abundant it will never run out Deuteriem- Heavy Hydrogen Iron Solar Energy Usage questions are about cost and technology Renewable o Replenished on a short time scale months to years Water Plants o Usage Question rates of use Depletable o –non-renewable, replenished on a long time scale, thousands to millions  of years coal or oil.
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Copper or Aluminum o Usage questionas are about how much is availabl There is no sustainable yield Whats the diffrence between them? o Time When will we run out of resource X? o We already have Lumps of native copper Oil leaking out into a creek o Some within about 50 years Resources that are found now and affordable with current technology Gold in rocks at 1 part per 50 million Never o One source of elecrity for another o More than one of the above
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This note was uploaded on 08/30/2011 for the course ART 3514 taught by Professor Dhbannan during the Summer '03 term at Virginia Tech.

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Resources Geolog - 19:34 ResourceProductionsisfinite

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