middle island looks to grow sandstone mill supply optionsjun 01, · middle island estimates more than 70 per cent of the sandstone region is covered by transported cover with historical soil geochemistry ineffective. the company will utilise low cost firstpass auger drilling geochemistry to penetrate the top m to define g targets below transported cover.exploration update financial postmay 28, · cut off grades applied are copperequivalent (cueq) cut off values of 0.3% for possible open pit and 0.5% for underground. mining factors or assumptions no mining factors have been applied to the insitu grade estimates for mining dilution or loss due to the grade control or mining process. the deposit is amenable to large scale bulk mining.matador mining generates excellent g recoveriesmay 31, · matador mining (asx mzz) has generated excellent recoveries after a second round of metallurgical test work on ore samples from its cape ray g project in canadas newfoundland. during the second round of laboratorybased test work, average g recoveries of 96% were achieved using a combined gravity and cyanide leach process.
predictive has early highgrade success on new guineamay 31, · power auger drilling is now complete for the current field season. "once all results are received and subject to access during the upcoming rainy season, the company will undertake closer spaced, lowcost auger drilling programs to more closely define the anomalous areas in preparation for deeper drilling later in the ," predictive said.todd river delivers 3kmlong wa nickelcopper target thejun , · todd river resources has outlined a threekilometrelong nickelcopper target at its berkshire valley project, 0km northeast of perth in wa. shallow aircore drilling has consistently returned highly anomalous base metal values, kicking as high a 4,800 parts per million copper and 4, ppm nickel.surface mining surface mining, including strip mining, openpit mining and mountaintop removal mining, is a broad category of mining in which soil and rock overlying the mineral deposit (the overburden) are removed, in contrast to underground mining, in which the overlying rock is left in place, and the mineral is removed through shafts or tunnels.. surface mining began in the midth century [dubiouscookie absent acs actionwe would like to show you a description here but the site wont allow us.learn more
asteroid mining asteroid mining is the hypothetical exploitation of materials from asteroids and other minor planets, including nearearth objects.. difficulties include the high cost of spaceflight, unreliable identification of asteroids which are suitable for mining, and more extraction challenges.advance g returns highgrade junior mining networkjun 08, · saldivar lithium project, mexico coordinates 788,500e, 2,586,300n, elev. 1,925m hole agli07xanadu mines multiple strong mlem junior mining networkout001 m @ 0.98% cu and 0.g/t au (1.07% ecu) from 266m including 6m @ 2.27% cu and 0.44g/t au (2.49% ecu) from 276m and 56m @ 1.02% cu and 0.02g/t au (1.03% ecu) from 5m