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Bureau of Mines / Minerals yearbook: Metals and minerals 1977
Year 1977, Volume 1 (1977)

Absalom, Sandra T.
Boron,   pp. 191-200 PDF (1.2 MB)


Page 198

198 MINERALS YEARBOOK, 1977 
WORLD REVIEW 
 Argentina.—Argentina, the foremost pro- Borax y Articulos Quimicos
S.A.), 11,000 ducer of boron minerals in South America, tons; the United
Kingdom (Borax Consolirevised reported output and exports in dated Ltd.),
11,000 tons. 
1976 to 88,900 short tons and 10,400 tons, Peru.—Ulexite was mined
by two comparespectively.2 Boroquimica Samicaf, an RTZ flies in Arequipa
(southern Peru) for local Borax Ltd. subsidiary, provided most of the use
in glass manufacture. Annual capacity output in recent years from its Tincalayu
of Boratos del Peru S.A. was 33,000 tons, mine in the Salar del Hombre Muerto
basin and capacity of Boroquimica S.A. is proin the Salta region of northwest
Argentina. jected to reach 33,000 tons in 1978.6 
Additional production came from the Com- Turkey.—The Turkish boron
minerals inpañia Productora de Boratos. In 1977, a dustry, dominated
by the mines, washing third company, Minera Simon Grandinetti concentrators,
and refineries of Etibank Asociados S.A., was planning mining and (the Turkish
Government mining corporprocessing facilities to extract ulexite from ation
r~sponsible for all State mining activiLaguna Guayatayoc, located 13,000
feet ties) was second only to the U.S. boron above sea level and about 160
miles from minerals industry. In 1977, output was estithe Boroquimica Samicaf
operation.~ Prob- mated to have increased about 20% to 1.2 able and possible
reserves in this subsurface million tons.7 Etibank's annual productive deposit
were estimated at 620,000 tons of capacity for colemanite concentrates of
40% ulexite with 30% to 35% B203 content. The to 47% B203 content was 496,000
tons; proposed plant may employ flotation techni- capacity for tincal concentrate
of 34% B203 ques. Facilities for producing boric acid also was 440,000 tons.
Facilities at Bandirmamay be constructed at the mine site. Cur- Edincik to
process concentrated ore into rent boric acid capacity in Argentina is refined
borates had capacities of 61,000 tons estimated at 2,000 to 3,000 short tons
per of borax decahydrate; 11,000 tons of borax year. pentahydrate; 27,500
tons of boric acid; and Chile.—Productos Quimicos Pareschi 22,000
tons
of sodium perborate. An expanLimitada (Proquipal) produced borates and sion
to 38,600 tons of boric acid capacity was boric acid from the Minera Ascotan
ulexite scheduled for early 1978. 
deposit. In 1977, Proquipal was planning to Completion of the new 110,000-ton-perbuild
a new boric acid plant near Antofaga- year boric acid plant, planned for
1979, was ste as part of a joint venture with Trans reported to be a year
behind schedule.' The Boron Ltd.~ In exchange for technology, delay was attributed
to a shortage of finplant financing, and access to the U.S. ancing to purchase
plant equipment. Cost of market, Proquipal will sell 33,000 tons of the project
was estimated around $20 milboric acid to Trans Boron Ltd. All of this lion.
boric acid is destined for the United States, Construction of facilities
to produce sowith shipments to begin early in 1978. dium borates at Kirka
has also been delay- 
 China, People's Republic of.—Although ed. Plans for the modern
refinery
include little is known about the industry, it is annual capacities of 200,000
tons of crude believed that China produced a sufficient borax pentahydrate;
55,000 tons of crude amount of borate minerals for domestic anhydrous borax;
10,000 tons of refined consumption with some available for ex- anhydrous
borax; and 19,000 tons of refined port. Japan reported 374 tons of boric
acid borax decahydrate. 
imports from China in 1977.~ China also It was reported that project studies
are exported 55 tons of boric acid to the United underway for annual production
of 150,000 States. tons of washed colemanite ore of low arsenic 
 Europe.—Several European countries im- content from the Bigadic
area.9
In addition, ported colemanite from Turkey and sodium modern handling facilities
for boron exports berates from the United States to produce are scheduled
to be completed at the port of boric acid and other borate chemicals. An-
Bandirma by 1979. A total of 5,000 tons of nual boric acid capacities were
estimated as crude and refined products will be stored in follows: France
(Borax Francais S.A.), covered silos and 50,000 tons of ore will be 42,000
tons; Italy (Sta. Chimica Lardarello stored as open stockpile. 
S.p.A.), 30,000 tons; Spain (La Productora de U.S.S.R.—The U.S.S.R.
announced plans 


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