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Fossil Fuels & Fossil Fuels & Resources DepletionResources Depletion
L. David RoperL. David RoperProfessor Emeritus of PhysicsProfessor Emeritus of Physics
Virginia Polytechnic Inst. & St. Univ.Virginia Polytechnic Inst. & St. Univ.roperld@vt.edu
http://arts.bev.net/RoperLDavid
World Coal Extraction ProjectionWorld Coal Extraction Projection
World Crude-Oil Extraction ProjectionWorld Crude-Oil Extraction Projection
World Natural-Gas Extraction ProjectionWorld Natural-Gas Extraction Projection
Fossil-Fuels Energy ProjectionFossil-Fuels Energy Projection
Population Decline (Depletion)Population Decline (Depletion)
Fitted to population data between 1950 & 2006
Iron-Ore-Extraction DepletionIron-Ore-Extraction Depletion
Mostly China!
Phosphate-Rock-Extraction DepletionPhosphate-Rock-Extraction Depletion
Gold-Extraction DepletionGold-Extraction Depletion
Silver-Extraction DepletionSilver-Extraction Depletion
Platinum/Palladium-Extraction DepletionPlatinum/Palladium-Extraction Depletion
Manganese-Extraction DepletionManganese-Extraction Depletion
Salt-Extraction DepletionSalt-Extraction Depletion
Tin-Extraction DepletionTin-Extraction Depletion
Zinc-Extraction DepletionZinc-Extraction Depletion
Mercury-Extraction DepletionMercury-Extraction Depletion
Mercury is the only one truly depleted.Mercury is the only one truly depleted.
The rest are “depleted” only because The rest are “depleted” only because of the depletion of fossil fuels.of the depletion of fossil fuels.
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