Pumice and pumicite
Mining Engineering
By: R.D. Crangle Jr.
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Abstract
Production of pumice in the United States during 2011 was estimated to be 380 kt (420,000 st), a 3-percent decrease compared with 2010. The unit value of pumice varied by end use in 2011. Pumice used as an abrasive was priced at $10.39/t ($9.30/st), while specialty-grade pumice, used in cosmetics, filtration or precision grinding, was priced as high as $150/t ($130/st) on a spot basis. Fourteen companies operated 16 mines in Arizona, California, Idaho, Kansas, New Mexico and Oregon. U.S. pumice exports totaled about 15 kt (17,000 st). Imports were higher, 35 kt (39,000 st).
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Pumice and pumicite |
| Series title | Mining Engineering |
| Volume | 64 |
| Issue | 6 |
| Year Published | 2012 |
| Language | English |
| Publisher | SME |
| Contributing office(s) | National Minerals Information Center |
| Description | 2 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Mining Engineering |
| First page | 85 |
| Last page | 86 |
| Google Analytic Metrics | Metrics page |