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U.S. Imports Of Crushed Stone And Calcium Carbonate Fines, By Type

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TABLE 18
U.S. IMPORTS OF CRUSHED STONE AND CALCIUM CARBONATE FINES, BY TYPE1
 
    2014   2015
Quantity Quantity
(thousand) Value, c.i.f.2 Unit (thousand) Value, c.i.f.2 Unit
Type   metric tons)   (thousands)   value   metric tons)   (thousands)   value
Crushed stone and chips:
Limestone 13,200 $103,000 $7.82 15,100 $126,000 $8.33
Limestone for flux or cement manufacturing 1,320 15,500 11.78 1,190 14,800 12.44
Other 5,410 131,000 24.14 5,530 124,000 22.4
Total 19,900   249,000   XX   21,900   265,000   XX
Calcium carbonate fines:3
Natural chalk (4) 30 277.99 (4) 9 203.68
Calcium carbonates, other chalk 2 2,170 910.90 4 1,730 468.09
Total or average 2   2,200   XX   4   1,740   XX
Grand total or average   19,900 251,000 XX   21,900 266,000 XX
XX Not applicable.---
1Data are rounded to no more than three significant digits, except unit value; may not add to totals shown.
2Cost, insurance, and freight value.
3Excludes precipitated calcium carbonate.
4Less than - unit.
Source: U.S. Census Bureau.

Source: United States Geological Survey Mineral Resources Program

See also: Mineral commodity prices


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