THE MINERAL INDUSTRY OF CENTRAL AMERICAN COUNTRIES 1155 
 
 
Table 5.—El Salvador: Imports of mineral commodities 
(Metric tons unless otherwise specified) 
Commodity 1975 1976 
 METALS 
Aluminum metal including alloys: 
  Unwrought       — 648 1,835 
  Semimanufactures  1,614 3,245 
Copper: 
  Coppersulfate  1 14 
  Metal includingalloys, all forms  1,540 2,762 
Iron and steel metal: 
  Scrap  44 30 
  Pig iron, ferroalloys, similar materials  133 166 
  Steel, primary forms  27,074 10,626 
  Semimanufactures  37,809 51,733 
Lead metal including alloys, all forms  250 191 
Platinum-groupmetals                         troy ounce&._ 32 64

Silver: 
  Oreandconcentrate                              do..~ 11,863 24,499 
  Metal includingalloys, all forms                            do.._  23 21

Tin metal including alloys, all forms  498 537 
Zincmetalincludingalloys,allforms  —— 289 
Other: 
  Oresandconcentrates  3 1 
  Ashand residuecontainingnonferrousmetals  51 (1) 
  Base metals including alloys, all forms  8 2 
 NONMETALS 
Abrasives, natural  1,359 1,043 
Asbestos  3866 2637 
Cement  11036 7020 
Clays and clay products (including all refractory brick): 
  Crude: 
     Kaolin  4,322 3,634 
     Refractory, unspecified  93 255 
  Products  2,030 2,401 
Diamond, industrial                      thousand carats_ 175 1,115 
Diatomiteandother infusorial earth  1,295 2,335 
Feldsparandfluorspar  1 1 
Fertilizer materials, crude and manufactured: 
  Nitrogenous  181,145 297,235 
  Phosphatic  48,439 45,770 
  Potassic  8,022 1,268 
  Other, including mixed  22,886 30,636 
Graphite,natural  4 64 
Gypsumandplasters  8,425 8,385 
Lime  6,889 5,599 
Mica, all forms —  4 4 
Pigments, mineral,crude  2,399 1,986 
Salt  55 84 
Sodium compound, n.es.: 
  Sodium carbonate  1,258 1,321 
  Sodium hydroxide  6,298 7,915 
Stone, sand and gravel: 
* Dimension stone  3,617 4,263 
  Gravelandcrushedrock  930 1,244 
  Sand  682 199 
Sulfur: 
  Elemental, all forms  4,520 5,186 
  Sulfuricacid                      * 1,021 7,708 
Talc,soapstone,pyrophyllite  140 127 
Other  312 257 
            MINERAL FUELS AND RELATED MATERIALS 
Asphalt and bitumen, natural  53 4,978 
Coal and coke, including briquets  572 501 
Petroleum: 
  Crude and partly refined              thousand 42-gallon barrels_  3,623
3,603 
  RefInery products: 
     Gasoline                              do__ 30 27 
     Kerosine                              do — — —
12
16 
     Lubricants                              do. - -  34 40 
     Other: 
        Liquefiedpetroleumgas                            do  (1) (1) 
        Mineraljellyandwax                              do.~  13 17 
        Unspecified                              do - -  1 1 
Mineral tar and other coal-, petroleum-, or gas-derived crude chemicals 
52 34 
 
1Less than 1/2 unit.