hydraulicking मीनिंग इन हिंदी

उदाहरण वाक्य

1. Drift mining and hydraulicking were both abandoned in the 1930s as there were no dumping facilities for mining waste.
2. Initial exploration and mining work was carried out by means of drift diggings, followed by ground sluicing and hydraulicking later.
3. Elaborate flume, reservoir and tunnel systems were built to supply the massive quantities of water required by these " hydraulicking " operations.
4. The containing material may be too loose to safely mine by tunnelling, though it is possible where the ground is sluicing or hydraulicking.
5. The remains at Las Medulas and in surrounding areas show badland scenery on a gigantic scale owing to hydraulicking of the rich alluvial gold deposits.
6. By the 1920s, much of Hobson Creek and the Clearwater River above Hobson Lake had been staked and active mining or hydraulicking was underway.
7. By the mid-1880s, it is estimated that 11 million ounces ( 340 t ) of gold ( worth approximately US $ 15 billion at December 2010 prices ) had been recovered by " hydraulicking ".
8. By the mid-1880s, it is estimated that 11-million ounces ( 340 t ) of gold ( worth approximately US $ 6.6 billion at November 2006 prices ) had been recovered via " hydraulicking, " a style of hydraulic mining that later spread around the world, despite its drastic environmental consequences.
9. In California, from 1853 to 1884, " hydraulicking " of placers removed an enormous amount of material from the gold fields, material that was carried downstream and raised the level of portions of the Central Valley by some seven feet in affected areas and settled in long bars up to 20 feet thick in parts of San Francisco Bay.