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

Minor nonmetals,   pp. 1055-1066 PDF (1.6 MB)


Page 1055

Staurolite___________________ 
Strontium___________________ 
Wollastonite__________________ 
Zeolites_____________________ 
Page 
1062 
1062 
1064 
1064 
  1055Minor Nonmetals 
By Staff, Division of Nonmetallic Minerals 
CONTENTS 
 Page 
Asphalt 1055 
Greensand 1055 
Iodine 1055 
Meerschaum 1059 
Quartzcrystal 1059 
ASPHALT (NATIVE)1 
 Native asphalt was produced in 1977 by Barton County Rock Asphalt Co. in
Barton six companies in four States. Leading States County, Mo. 
were Texas and Utah Output declmed 39% Gilsonite was produced by American
Gil to 1,237,000 tons valued at $13,874,000. sonite Co. in Uinta County,
Utah, and by 
 Bituminous limestone was produced by Ziegler Chemical and Mineral Corp in
Whites Uvalde Mines and by Uvalde Rock Weber County Utah 
Asphalt Co in Uvalde County Tex by The asphalt was used for streets and 
Southern Stone Co in Colbert Ala and by roads and for other purposes 
GREENSAND2 
 Greensand which is widely distributed m Raw greensand produced by the company
the Eastern United States was produced in was sold for agricultural use as
a soil 1977 only by the Inversand Co a subsidiary conditioner Processed greensand
was sold of Hungerford and Terry Inc near Clayton for use as a filter media
for the removal of N J, Production and sales information is manganese iron
sulfide and other elewithheld to avoid disclosing company pro- ments from
water 
prietary data. 
IODINE3 
 World markets for crude iodine continued increased output over the 1976
level while to recover in 1977. The increase in U.S. the output of Japan,
by far the largest world demand was satisfied by a significant in- supplier,
declined. Strong U.S. demand for crease in domestic production and with-
crude iodine was reflected in greater condrawals from the surplus world supply
sumption reported by the major chemical accumulated in prior years. Of the
three companies, up 11% from that of 1976, and major market economy countries
producing an increase in imports of 7%; furthermore, crude iodine, the United
States and Chile company inventories decreased considera 


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