ore vein meaning in Hindi

Examples

1. They followed the ore veins underground once opencast mining was no longer feasible.
2. Black powder allowed blasting of rock and earth to loosen and reveal ore veins.
3. Monazite from certain carbonatites or from Bolivian tin ore veins is essentially thorium-free.
4. In geology, Agricola described and illustrated how ore veins occur in and on the ground.
5. Similar tunnels, known as drifts, are driven along the ore veins from the crosscut.
6. At first, the mines were open cast, because the ore veins were on the surface.
7. A newly elected labour government presented higher anticipated union costs and the ore vein had already been'highgraded '.
8. Minerals in the silver-ore veins include polybasite, pyrargyrite, proustite, sphalerite, galena, and tennantite.
9. Mining started in 1523 with " Bauernzeche " pit on the ore vein " Bauer Morgengang ".
10. Near the head of the gulch is an ore vein ( reported in 1955 ) containing chalcopyrite, galena, pyrite, and calcite.