 | Royal Geological Society of Ireland - 1880 - 324 lehte
...of the miner's art. The vertical shafts though not considered to afford evidence of solution. They are, even when in solid quartz, sometimes 70 feet...earnings amount to from two to three annas (3d. to 4jd.), a day but it is possible that at an earlier period of the industry it may have been more profitable,... | |
 | Valentine Ball - 1881 - 152 lehte
...afford evidence of the highest degree of mining skill, ofter a problem difficult of solution. They are, even when in solid quartz, sometimes 70 feet...washing. Their earnings amount to from two to three annas ($d. to 4%d.) a day, but it is possible that at an earlier period of the industry it may have been... | |
 | Madras (India : Presidency) - 1885 - 584 lehte
...to suggest. The fragments of stone obtained from these various mines were pounded with hand-mnllers, the pounding places being still seen, and the pounded...washed in a wooden dish and treated with mercury. In this report the present condition of the country is compared to an abandoned Australian washing,... | |
 | Pramatha Nath Bose - 1894 - 354 lehte
...suggest. The fragments of stones obtained from these various mines were pounded with handroullers, the pounding places being still seen, and the pounded...washed in a wooden .dish and treated with mercury." t India is said to have supplied the whole world with ... . . diamonds till AD 1728 when the Mining... | |
 | Royal Dublin Society - 1880 - 710 lehte
...underlie. And remarks that they show different degrees of knowledge of the miner's art. solution. They are even when in solid quartz sometimes 70 feet deep,...earnings amount to from two to three annas (3d. to 4|rf.), a day, but it is possible that at an earlier period of the industry it may have been more profitable... | |
 | Royal Dublin Society - 1880 - 804 lehte
...underlie. And remarks that they show different degrees of knowledge of the miner's art. solution. Thej- are even when in solid quartz sometimes 70 feet deep,...Korumbas or gold washers, who are admitted to be skilful, flo not regard the gold as being derived from the reefs, though they generally select spots near the... | |
 | J. W. Bond, Arnold Wright - 2004 - 802 lehte
...fragments of stone obtained from these various mines were pounded with hand-mullers, the pounding-places being still seen, and the pounded stone was then,...washed in a wooden dish and treated with mercury.' Similarly at all other gold and diamond mines, it is the pre-Dravidians who are spoken of as having... | |
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They are, even when in solid quartz, sometimes 70 feet deep, with smooth sides and quite plumb; what the tools were which enabled the miners to produce such work in hard, dense, quartz, no one appears to be able to suggest. The fragments of stone obtained... 