TABLE 2 | ||||||||||||
ESTIMATED PRODUCTION OF CRUDE SILICON CARBIDE AND FUSED ALUMINUM | ||||||||||||
OXIDE IN THE UNITED STATES AND CANADA1 | ||||||||||||
2014 | 2015 | |||||||||||
Quantity2, 3 | Value2 | Quantity2, 3 | Value2 | |||||||||
Product | (metric tons) | (thousands) | (metric tons) | (thousands) | ||||||||
Aluminum oxide, regular, abrasives4 | 10,000 | $1,700 | 10,000 | $1,700 | ||||||||
Silicon carbide5, 6 | 35,000 | 25,900 | 35,000 | 25,900 | ||||||||
1Data are rounded to no more than three significant digits. | ||||||||||||
2Owing to rounding, data do not match total quarterly Mineral Industry Surveys estimated data.- | ||||||||||||
3Quantities are rounded to the nearest 5,000 metric tons to avoid disclosing company proprietary data. | ||||||||||||
4Regular grade accounts for about 62% of total output, and high-purity material accounts for the remainder. | ||||||||||||
5Approximately one-half of the quantity and value consists of material for metallurgical and other nonabrasive applications. | ||||||||||||
6Data from United States only | ||||||||||||
Source: United States Geological Survey Mineral Resources Program
See also: Mineral commodity prices