Salient U.S. Silica Statistics

TABLE 1
SALIENT U.S. SILICA STATISTICS¹

(Thousand metric tons and thousand dollars unless otherwise specified)

		2002	2003	2004	2005	2006
Industrial sand and gravel:²
Sold or used:
Quantity:
Sand		25,900	26,300	28,700	29,700	30,800
Gravel		1,420	1,140	1,070	955	943
Total		27,300	27,500	29,700	30,600	31,700
Value:
Sand		554,000	594,000	668,000	733,000	782,000
Gravel		19,400	15,300	16,600	19,500	24,600
Total		573,000	609,000	685,000	752,000	807,000
Exports:
Quantity		1,410	2,620	1,790	2,910	3,830
Value		145,000	155,000	174,000	154,000	183,000
Imports for consumption:
Quantity		250	440	490	711	855
Value		8,650	9,210	12,400	18,200	21,000
Processed tripoli:³
Quantity	metric tons	66,600	68,800	94,000	91,100	76,000
Value		16,600	17,700	19,400	18,700	17,500
Special silica stone:
Crude production:
Quantity	metric tons	748	1,070	227	193	227
Value		240	313	132	191	992
Sold or used:
Quantity	metric tons	386	513	655	576	328
Value		3,740	3,630	3,660	2,290	1,460
¹Data are rounded to no more than three significant digits; may not add to totals shown.
²Excludes Puerto Rico.
³Includes amorphous silica and Pennsylvania rottenstone.