phosphate rock in a sentence

Examples

1. As of 2016, remaining reserves of phosphate rock in the United States totaled 1.1 billion metric tons.
2. Phosphate rocks contain high levels of fluoride.
3. "' Phosphogypsum "'refers to the gypsum formed as a by-product of the production of fertilizer from phosphate rock.
4. The bone-ash process became obsolete when the submerged-arc furnace for phosphorus production was introduced to reduce phosphate rock.
5. Nauru is a phosphate rock island with rich deposits near the surface, which allowed easy strip mining operations.
6. Minerals including copper, lead, silver, zinc, bauxite, gold, phosphate rock, magnesite and silica sand are mined in the state.
7. In 1886, phosphate rock was discovered in the Peace River, and the dominant industry went from forestry to mining.
8. The harbour lost its last commercial cargo handling operation in 1992 when Marchon ceased their phosphate rock import operations.
9. The cobalt was mixed with crushed phosphate rock which was obtained cheaply from Nauru Island in the West Pacific.
10. Phosphate rock is mined, beneficiated, and either solubilized to produce wet-process phosphoric acid, or smelted to produce elemental phosphorus.