University of Wisconsin Digital Collections
Link to University of Wisconsin Digital Collections
Link to University of Wisconsin Digital Collections
Ecology and Natural Resources Collection

Page View

Bureau of Mines / Minerals yearbook metals, minerals, and fuels 1972
Year 1972, Volume 1 (1972)

Meisinger, Arthur C.
Pumice and volcanic cinder,   pp. 1069-1073 ff. PDF (398.7 KB)


Page 1069

  1069Pumice and Volcanic Cinder 
By Arthur C. Meisinger' 
 The quantity of pumice, pumicite, and volcanic cinder sold or used by producers
and the quantity of pumice imported for consumption to meet the increased
demand for pumiceous materials in construction— related uses set record
highs in 1972. Do- 
mestic production was 3.8 million tons valued at $6.5 million from 220 operations
in 16 States. Pumice imports in 1972 totaled nearly 600,000 tons valued at
a record $1.5 million. 
DOMESTIC PRODUCTION 
 Domestic production of pumiceous materials in 1972 was 12% higher in quantity
and 25% higher in value than in 1971. The quantity produced in 1972 was 3.8
million tons, a record total. The previous high was 
* established in 1969 when production of pumice, pumicite, and volcanic cinder
amounted to 3.6 million tons. The value of 1972 output was $6.54 million,
which was the highest since 1966. Volcanic cinder, ash, and scoria comprised
79% of the U.S. output of pumiceous materials and was valued at a record
$4.66 million. 
 Domestic output in 1972 came from 101 firms, individuals, and governmental
agencies producing from 220 operations in 16 
States. The* principal producing States, in order of output, were Oregon,
Arizona, and California, and their combined output accounted for two-thirds
of the national total. Other States with significant output were Hawaii,
Nevada, and New Mexico. Of the six leading States, only Arizona and Oregon
showed a decrease in production from that of 1971. California led all producing
States with 95 active operations, followed by Arizona with 34, and Hawaii
with 22. Volcanic cinder was produced in 13 of the 16 States and in American
Samoa from a mine operated by the Samoan Government. 
 1 Industry economist, Division of Nonmetallic Minerals. 
Table 1.—Pumice, pumicite, and volcanic cinder sold or used by producers
in the United States 1 
(Thousand short tons and thousand dollars) 
Year 
Pumice and 
Quantity 
pusnicite 
Value 
 Volcanic Quantity 
cinder Value 
Total 
— Quantity 
- 
Value 
1968                          
1969                        
1970                        
1971                        
1972                        
481 
598 
490 
540 
790 
1,360 
1,349 
1,233 
1,396 
1,878 
3,049 
3,011 
2,546 
' 2,851 
3,023 
4,210 
3,701 
3,438 
' 3,813 
4,661 
3,530 
3,609 
3,036 
' 3,391 
3,813 
5,570 
5,050 
4,671 
' 5,214 
6,539 
' Revised. 
 ' Values f.o.b mine, (1968—71); value f.o.b. mine or mill, 197L 


Go up to Top of Page