1308 



are expected to increase from $8 billion in 1970 to more than $31 billion 

 by 1985."° 



U.S. dependence on foreign imports of materials, many of which are 

 from the LDCs, is impressive. Table 38 gives the percentage of U.S. 

 mineral requirements imported during 1972 and the source countries, 

 while Table 39 shows the changing import requirements of the United 

 States in the mineral and materials field. 



Table 38. — Percentage of U.S. Mineral Requirements Imported 



During 1972 



PLATINUM GROUP METALS 



MICA i*-^> 



CHROMIUM 



STRONTIUM 



COBALT 



TANTALUM 



ALUMINUM i<»»»™<.ii 



MANGANESE 



FLUORINE 



TITANIUM I'laiM 



ASBESTOS 



TIN 



BISMUTH 



NICKEL 



COLUMBIUM 



ANTIMONY 



GOLD 



POTASSIUM 



MERCURY 



ZINC 



SILVER 



BARIUM 



GYPSUM 



SELENIUM 



TELLURIUM 



VANADIUM 



PETROLEUM l.n<: Hm ClQl 



IRON 



LEAD 



CADMIUM 



COPPER 



TITANIUM (onn.i.i 



RARE EARTHS 



PUMICE 



SALT 



CEMENT 



MAGNESIUM |no~nMI<l 



NATURAL GAS 



RHENIUM 



STONE 



PERCENTAGE IMPORTED 



100% 

 I 



7P% 



50% 25% 0% 



I r I 



mU»HUMUMXMf.W.WMf.W.WJX'XV. 

 tAWW^AW,V^iVVV\MMC.>J<>a>>:.MC>»QKO»J 



lEM^w^?i»ow«^M■^^:■^:^^:^M^.w:^>:wJu■ 



I Hi-:-!»flfl6ficaj!Bs«sX-x-x<-»>x««-x-: 



MSMaMMM«.^^Ama.U.VAW.^AW.VWW 







KxuoM.-^-^-.vj^-j.'.-.-.-.'^.y.yy.-Mn 



BfinfinniV-jinMWVJ'JWAVAVW.vm 



MMMMMMMWHMBMMMH 



f.WJ.V.'XfA W/.V.V.V^fJX 



KMAi^-^Mi^.-X.'.'.-.-.-J^'.'M 



uawwwWiW.vwnV'ifta 



B6MaflWM-:-^ww.'.m.'w 



IWWHKWSgS^ 



ZBssszsmmmaa 



nzsssssmmzzsa 



Mvuwww.iCTimm 



:XESZ5^!^^B 



i^^ssmaga 



iuw^.v.wiwa 



OE^ssssssssa 



=Ezzsssasa 



ZEOsss^sg 



"""W"WWU 



wwuww-'" 



DBS8SS1 



zssaa 



-naaaog 



jssa 



39 



ira 



OD 



1(X)% 75% SW 



25% 



,k 



MAJOR 

 FOREIGN SOURCES 



UK. USSR. SOUTH AFRICA. CANADA, JAPAN. NORWAY 



INDIA. BRAZIL. MALAGASY 



USSR. SOUTH AFRICA. TURKEY 



MEXICO. SPAIN 



ZAIRE. BELGIUM. LUXEMBOURG. FINLAND. CANADA. NORWAY 



NIGERIA. CANADA. ZAIRE 



JAMAICA. SURINAM CANADA. AUSTRALIA 



BRAZIL, GABON, SOUTH AFRICA. ZAIRE 



MEXICO. SPAIN. ITALY. SOUTH AFRICA 



AUSTRALIA 



CANADA. SOUTH AFRICA 



MALAYSIA. THAILAND. BOLIVIA 



MEXICO. JAPAN. PERU. UK. KOREA 



CANADA. NORWAY 



BRAZIL. NIGERIA. MALAGASY. THAILAND 



SOUTH AFRICA. MEXICO. UK. BOLIVIA 



CANADA. SWITZERLAND. USSR 



CANADA 



CANADA. MEXICO 



CANADA. MEXICO. PERU 



CANADA. PERU. MEXICO. HONDURAS. AUSTRALIA 



PERU. IRELAND. MEXICO. GREECE 



CANADA. MEXICO. JAMAICA 



CANADA. JAPAN. MEXICO. UK 



PERU. CANADA 



SOUTH AFRICA. CHILE. USSR 



CENTRAL & SOUTH AMERICA . CANADA. MIDDLE EAST 



CANADA. VENEZUELA, JAPAN. COMMON MARKET lEECI 



CANADA. AUSTRALIA. PERU. MEXICO 



MEXICO. AUSTRAL! A. BELGIUM. LUXEMBOURG. CANADA. PERU 



CANADA. PERU. CHILE 



CANADA. AUSTRALIA 



AUSTRALIA. MALAYSIA. INDIA 



GREECE. ITALY 



CANADA.MExrCO. BAHAMAS 



CANADA. BAHAMAS, NORWAY 



GREECE. IRELAND 



CANADA 



WEST GERMANY. FRANCE 



CANADA. MEXICO. ITALY. PORTUGAL 



«fff J^ ? P^® International Scope of the Materials System," Figure 2.32. The United 

 !n Pnnnt'^"'"*^'^ var.ving amounts of metal, nonmetalllc, and fuel minerals from more than 

 i.f °,"ffl*"^^. 7 ^•If'^L"* *^^ ^'^''^'^ *° 19^2. No major nation of the world is completely 

 U 4 n^nfr''.*minf^i^. ^^ minerals required to sustain an Industrialized economy Turce^ 

 U.S. Department of Interior, Bureau of Mines. 1973. (Reproduced from- National Com 



^nfl°Lpor^" ms'p 2.25:)"^^'"'''*' ""''^^ '''"' '""^ Environment Today and Tomorrow : 



«" Secretary of State Rogers. Foreign Policy Report to Congress of 1972, 1973, p. 43. 



