Salient U.S. Silica Statistics

TABLE 1
SALIENT U.S. SILICA STATISTICS¹

(Thousand metric tons and thousand dollars unless otherwise specified)

		2003	2004	2005	2006		2007
Industrial sand and gravel:²
Sold or used:
Quantity:
Sand		26,300	28,700	29,700	28,200	^r	29,000
Gravel		1,140	1,070	955	725	^r	1,010
Total		27,500	29,700	30,600	28,900	^r	30,000
Value:
Sand		594,000	668,000	733,000	745,000	^r	808,000
Gravel		15,300	16,600	19,500	22,800	^r	51,000
Total		609,000	685,000	752,000	768,000	^r	859,000
Exports:
Quantity		2,620	1,790	2,910	3,830		3,020
Value		155,000	174,000	154,000	183,000		242,000
Imports for consumption:
Quantity		440	490	711	855		511
Value		9,210	12,400	18,200	21,000		24,000
Processed tripoli:³
Quantity	metric tons	68,800	94,000	91,100	76,000		96,400
Value		17,700	19,400	18,700	17,500		17,400
Special silica stone:
Crude production:
Quantity	metric tons	1,070	227	193	227		231
Value		313	132	191	992		1,020
Sold or used:
Quantity	metric tons	513	655	576	328		508
Value		3,630	3,660	2,290	1,460		823
^rRevised.
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.