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Bureau of Mines / Minerals yearbook: Metals and minerals 1978-79
Year 1978-79, Volume 1 (1978-1979)

Alverson, Larry J.
Rhenium,   pp. 743-749 ff. PDF (941.1 KB)


Page 746

746MINERALS YEARBOOK, 1978-79 
5% ad valorem for unwrought metal and and 25% ad valorem, respectively. There
is 
9% ad valorem for wrought metal The duty no duty on rhenium contained in
molybde 
on wrought and unwrought metal from nite concentrate 
countries with central economies was 45% 
Table 2 —U S imports for consumption of ammonium perrhenate by
country
(Rhenium content) 
 l975~ 1976' 1977' 1978' 1979' 
Country Quan- Value Quan- Value Quan- Value Quan- Value Quan- Value 
 tity (thou- tity (thou- tity (thou- tity (thou- tity (thou- 
(pounds) sands) (pounds) sands) (pounds) sands) (pounds) sands) (pounds)
sands) 
Chile__ —— —— 1280 $606 4187 $1087
5855 $889 4335
$1380Germany, Federal Re public of_ — 401 $165 2,767 801 1,924
533
26,187 1,512 3,898 1,854Poland____ —— ——
——
—— —— —— ——
——
66 25Sweden ~. 565 277 —— —— ——
——
—— ._ —— —— 
Total — — — 966 442 4,047 1,407 6,111 1,620
12,042 2,401
8,299 3,259 
eRetimath 
' Adjusted by Bureau of Mines. 2lncludes 850 pounds of perrhenic acid. 
Table 3.—U.S. imports for consumption of rhenium metal, by country
(Gross we,ght) 
 1975 1976 .1977 1978 1979 
Country Quan-  Quan-  Quan-  Quan-  Quan  tity Value  tity Value  tity Value
 tity Value  tity Value (pounds)  (pounds)  (pounds)  (pounds)  (pounds)
Belgium 
 Luxembourg__ 28 $11,136 17 $8,687 18 $4,120 15 $6,075 ——
——France
—— —— —— ——
——
—— —— —— 238
$97,836Germany, Federal
Republic of —  30 15,760 65 29,060 130 51,734 434 161,920 468 426,735U.S.S.R
—— —— —— ——
——
—— —— .~ 220 82,594Other' 1 300 ——
——
—— —— —— ——
1 478 
 Total 59 27,196 82 37,747 148 55,854 449 167,995 927 607,643 
' Includes Austria and Switzerland. 
WORLD REVIEW 
 World production of rhenium totaled an estimated 15,700 pounds in 1978 and
16,000 pounds in 1979. Canada, Chile, and the Federal Republic of Germany
accounted for the majority of production in both years. 
 Porphyry copper deposits in Canada, Chile, and the U.S.S.R. were the major
sources of rhenium. Known recovery facilities outside the United States were
located in Belgium-Luxembourg, Bulgaria, Chile, France, the German Democratic
Republic, the Federal Republic of Germany, Poland, Sweden, the United Kingdom,
and the 
U.S.S.R. 
 Canada.—All of Canada's rhenium production came from the Island
Copper
Mine of Utah International Inc. In 1978, an esti 
mated 2,200 tons of MoS2 concentrate, containing approximately 5,000 pounds
of rhenium, was shipped to the United States and Western Europe. The contained
rhenium was toll-processed into ammonium perrhenate and perrhenic acid and
returned to Utah International. Other porphyry copper mines in British Columbia
have significant quantities of rhenium in molybdenite, but rhenium has not
been recovered. 
 A prefeasibility study of several aspects of a major copper-molybdenum-gold-silverrhenium
deposit on Gambier Island, British Columbia, was being carried out by 20th
Century Energy Corp. The study will include extensive metallurgical testing
to determine specifications for mill design, and 


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