Fossil Fuels

1
Fossil Fuels Resources Depletion

• L. David Roper
• Professor Emeritus of Physics
• Virginia Polytechnic Inst. St. Univ.
• roperld_at_vt.edu
• http//arts.bev.net/RoperLDavid

2
World Coal Extraction Projection
3
World Crude-Oil Extraction Projection
4
World Natural-Gas Extraction Projection
5
Fossil-Fuels Energy Projection
6
Population Decline (Depletion)
Fitted to population data between 1950 2006
7
Iron-Ore-Extraction Depletion
Mostly China!
8
Phosphate-Rock-Extraction Depletion
9
Gold-Extraction Depletion
10
Silver-Extraction Depletion
11
Platinum/Palladium-Extraction Depletion
12
Manganese-Extraction Depletion
13
Salt-Extraction Depletion
14
Tin-Extraction Depletion
15
Zinc-Extraction Depletion
16
Mercury-Extraction Depletion
17

• Mercury is the only one truly depleted.
• The rest are depleted only because of the
  depletion of fossil fuels.