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$Title{Table 10.: Production of Major Minerals, Selected Years, 1966-81}
_______________________________________________________________________________________________
Minimum Maximum
Production Production
1969-71 1979-81 _________________ ________________
Mineral Average Average Year Amount Year Amount
_______________________________________________________________________________________________
Oil and Gas (in thousands of
barrels per day of oil
equivalent)
Crude Petroleum
Government wells................ 97.7 82.5 1981 80.9 1974 111.0
Work contract................... 727.5 749.9 1969 644.6 1973 1,028.3
Production sharing.............. 35.1 758.8 1971 ... 1981 780.0
All producers................. 829.4 1,591.1 1966 467.7 1977 1,688.2
Natural gas....................... 20.1 319.3 1966 10.0 1981 339.4
Other Minerals (in thousands
of tons unless otherwise
indicated)
Tin ore concentrate............. 18.8 32.4 1966 12.8 1981 35.2
Copper concentrate.............. 181.1 187.8 1973 125.9 1976 223.3
Nickel ore...................... 585.4 1,547.5 1966 117.4 1981 1,553.2
Bauxite......................... 1,077.4 1,170.1 1966 701.2 1977 1,301.4
Coal............................ 234.6 311.0 1973 148.8 1981 350.4
Iron sands concentrate.......... 272.3 76.5 1980 62.9 1974 365.2
Silver (in tons)................ 9.4 1.9 1981 2.0 1969 10.6
Gold (in tons).................. 0.3 0.2 1966 0.1 1973 0.4
______________________________________________________________________________________________