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PRICES 
732 MINERALS YEARBOOK, 1972 
 The average value of lime sold or used by producers in 1972 was $16.78 per
ton, an increase of 6% over the 1971 valise of $15.78 per ton. 
 Values for quicklime ranged from $15.76 for agricultural lime to $16.08
for chemical lime, $16.90 for construction, and $20.52 
for refractory dolomite, and averaged $16.35 per ton. Each of these values
was higher than in 1971. 
 Values for hydrated lime ranged from $19.45 for construction lime to $19.66
for chemical lime and $21.32 for agricultural lime, averaging $19.60 per
ton. 
FOREIGN TRADE 
 Exports of lime decreased 43%, to 37,659 Trust Islands, India, the Republic
of tons, and were 45% below the 1968 record. South Africa, Hungary, Italy,
and Zambia. Of the total quantity exported, Canada re- Imports of lime, mainly
from Canada, ceived 68%, Surinam 14%, and Mexico increased to 248,500 tons,
3% above the 
7%. The remaining 11% went to 35 coun- 1971 record. Small quantities were
imtries, listed in order as follows: Panama, ported from the Dominican Republic
Jamaica, British Bahamas, Haiti, Indonesia, (1,088 tons), Mexico (231 tons),
France (102 West Germany, the United Kingdom, tons), and West Germany (52
tons). 
Japan, Belgium, British Honduras, Sweden, Nicaragua, Venezuela, Argentina,
Ecuador, Table 7.—U.S. exports of lime the Philippines, Leeward and
Windward Islands, Denmark, Austria, Brazil, Chile, Honduras, Thailand, New
Zealand, Colombia, Australia, the Netherlands Antilles, ~ ~ the Dominican
Republic, Iceland, Pacific 1972                       37,659 1,242 
Year Short tons Value 
(thousands) 
Table 8.—U.S. imports for consumption of lime 
Hydrate 
d lime 
Other 
lime 
Total 
Year 
Short tons 
Value 
(thou- 
sands) 
Short tons 
Value 
(thou- 
sands) 
Short tons 
Value 
(thou 
sands) 
1970                        
1971                          
1972                          
34,158 
39,807 
37,468 
$479 
618 
724 
167,432 
202,477 
210,995 
$1,946 
2,690 
3,224 
201,590 
242,284 
248,463 
$2,425 
3,308 
3,948 
WORLD REVIEW 
 Canada.—During 1972 there were 22 active lime plants in Canada: nine
in Ontario, four in Quebec, four in Alberta, three in Manitoba, one in British
Columbia, and one in New Brunswick. Of the 80 kilns in operation, 55 were
vertical, 21 were rotary, 3 were rotary grate, and 1 was vibatory grate.
Output in 1972 was 1,606,000 tons. 
 Companies active in Ontario were Algoma Steel Corp. Ltd., Allied Chemical
Canada Ltd., Canadian Gypsum Co. Ltd., 
Cyanamid of ' Canada Ltd., Chromasco 
Corp. Ltd., Domtar Chemicals Ltd., Reiss 
Lime Co. of Canada Ltd., and The Steel 
Co. of Canada Ltd. 
 Active companies in Quebec were Do- 
minion Lime Ltd., Domtar Chemicals Ltd., Gulf Oil Canada Ltd., and Quebec
Sugar Refinery. Dominion Lime announced plans for a new 100-ton-per-day kiln.
 In Alberta three companies produced lime, Canadian Sugar Factories Ltd.,
Steel Brothers Canada Ltd., and Summit Lime Works, Ltd. Steel Brothers constructed
a second rotary kiln in 1972 which doubled the plant capacity. Steel Brothers
Canada Ltd. and The Manitoba Sugar Co. Ltd. were active in Manitoba. Texada
Lime, Ltd. built a calcimatic kiln in British Columbia, Havelock Lime Works
Ltd. ' installed a 100-ton rotary kiln at Havelock, New Brunswick. 
 Germany, West.—West Germany ranked