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

Drake, Harold J.
Stone,   pp. 1153-1173 ff. PDF (2.1 MB)


Page 1154

1154 MINERALS YEARBOOK, 1972 
DIMENSION STONE 
DOMESTIC PRODUCTION 
 Production of dimension stone in 1972 decreased about 8% in quantity and
3% in value from the levels of the preceding year. Production totaled 1.5
million tons valued at $90.8 million. 
 Output of dimension granite in 1972 totaled 621,000 tons valued at $42.6
million, increases of 8% and 11%, respectively, from those of 1971. Production
of limestone and dolomite was off 12% in quantity and 5% in value. Production
of marble declined to 71,000 tons valued at $16.5 million. Production of
sandstone, quartz, and quartzite totaled 231,000 tons valued at $7.7 million
compared with 332,000 tons valued at $10.1 million in 1971. Slate production
was down 15% from that of 1971. 
 Domestic production of rough dimension stone totaled 850 thousand tons valued
at $23.1 million. Of this quantity, 34% was accounted for by monumental stone,
34% by architectural stone, 28% by construction stone, and 4% by flagging.
Less than 1% was accounted for by miscellaneous uses. Production of dressed
stone totaled 642,000 tons valued at $67.7 million. About 28% of this was
cut and sawed, 20% was curbing, and 17% was house stone veneer. The remainder
consisted principally of flagging, monumental, and construction stone. In
terms of value, however, the principal dressed stone varieties were cut stone
and monumental stone. 
CONSUMPTION AND US-ES 
 Apparent -consumption of dimension stone in 1972 was valued at $125 million,
6% higher than in 1971. Almost all the increase was accounted for by increased
imports. Consumption of domestically produced dimension stone in 1972 was
lower than in the preceding year. Tonnage of stone used in 1972 compared
with 1971 was as follows: granite, up 8%; limestone, down 12%; marble, down
5%; sandstone, down 30%; slate, down 15%; and miscellaneous stone, down 1%.
 In terms of value, apparent consumption of granite, which accounted for
about two-fifths of total dimension stone consumption in 1972, totaled $52
million, up about 13%. Consumption of marble totaled $32.6 million compared
with $30.2 million in 1971. Consumption of limestone, sand- 
stone, and quartzite, in total, was 13% below the levels of 1971. 
PRICES 
 Delivered prices of dimension stone are dependent upon stone variety, finished
form, and market location and are not reported to th-e Bureau of Mines. Average
unit values for dimension stone in 1972, as reported to the Bureau of Mines,
are as follows, in dollars per ton: 
Monu 
Buil 
Rough 
ding 
Dressed 
mental, 
rough 
and 
Flag- 
ging 
dressed 
Granite        
28.01 
.. 
66.85 
.. 
Marble         
48.22 
259.79 
. 
.. 
Limestone      
21.28 
57.11 
. 
13.67 
Sandstone      
12.81 
55.14 
. 
.. 
Slate          
.. 
174.37 
31.83 
Miscellaneous... 
13.81 
130.78 
. - 
. - 
FOREIGN TRADE 
 U.S. exports of dimension stone were valued at $3 million, a level about
22% below that of the preceding year. Approximately one-third of the exports
was dolomite, one-half of which was sent to Canada. Nearly all of the remainder
was sent to Central and South America. Exports of monumental and building
granite were valued at $652,000, nearly all of which was sent to Canada and
Japan. Approximately two-thirds of the slate exports consisted of roughly
split, squared, or sawed material and one-third consisted of worked slate.
Canada again was the principal recipient of this material. Exports of miscellaneous,
building, and monumental stone totaled $1.2 million. Canada received 63%
of this material; the remainder went principally to Mexico, Japan, Brazil,
West Germany, and France. 
 U.S. imports of dimension stone in 1972 totaled $34.2 million compared to
$26.6 million in 1971. Marble accounted for about 47%; granite, 27%; slate,
17%; and travertine, 9%. Imports of marble were valued at $16.1 million,
a 27% increase over the level of the preceding year. Imports of granite rose
23% to $9.4 million, and imports of travertine stone were up 12% to $3 million.
Imports of slate sharply increased to $5.7 million compared with $3.4 million
in 1971. Principal import 


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