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Resultados 1-5 de 66
Página 6
... drives extended , flood - gate at 1100- feet level put in , air connections made , and the ventila- tion of the mine ... driving , failed to cut payable stone . Tregurtha P.A. fixed up a small steam - winding plant to unwater an old ...
... drives extended , flood - gate at 1100- feet level put in , air connections made , and the ventila- tion of the mine ... driving , failed to cut payable stone . Tregurtha P.A. fixed up a small steam - winding plant to unwater an old ...
Página 7
... driving south on the lode at the same place . No discovery of value was made at any of these places . The winze at the bottom level ( No. 17 ) was sunk on a good body of stone carrying gold , payable for the first few feet but not so ...
... driving south on the lode at the same place . No discovery of value was made at any of these places . The winze at the bottom level ( No. 17 ) was sunk on a good body of stone carrying gold , payable for the first few feet but not so ...
Página 11
... drive so far has shown the existence between it and the level above of 10,000 tons of ore . Assays of the galena range from 132 ozs . to 161 ozs . per ton . A high - level water scheme for driving all the mining and mill machinery is ...
... drive so far has shown the existence between it and the level above of 10,000 tons of ore . Assays of the galena range from 132 ozs . to 161 ozs . per ton . A high - level water scheme for driving all the mining and mill machinery is ...
Página 12
... driving of the Consols or main ( No. 3 ) tunnel to a total of 2255 feet , and connect- ing with the main shaft at the 450 - feet level , where pre- parations are being made to attack the cupriferous clays which have been located in this ...
... driving of the Consols or main ( No. 3 ) tunnel to a total of 2255 feet , and connect- ing with the main shaft at the 450 - feet level , where pre- parations are being made to attack the cupriferous clays which have been located in this ...
Página 16
... drive has been extended about 100 feet south . The Brookstead property is now being prospected by a South Australian syndicate , which holds an option over it . About 30 men are employed , and good results are , I under- stand , being ...
... drive has been extended about 100 feet south . The Brookstead property is now being prospected by a South Australian syndicate , which holds an option over it . About 30 men are employed , and good results are , I under- stand , being ...
Términos y frases comunes
12 feet 20 feet 31st December accident acres adit alluvial arsenopyrite Beaconsfield boundary bruises cage carrying channel City of Hobart Coal Company copper Cox's Bight Creek crosscut east crushed depth district Ditto Ditto drive dwts east reef explosives feet feet further feet west feet wide flat fractures further west Gate reefs gelignite gold-bearing Golden Gate gossan granite ground Grubb's shaft Gully hill Hobart inches injured intersected Loane's reef lode Lyell main reef main shaft Mangana Married Mathinna Miner's Dream mineral Mount Cameron Name of Sufferer north and south north-west occur outcrop passed payable prospecting pyrites pyrrhotite quantity quartz quartz veins quartzite reef formation reef-channel Renison Bell rock sandstone schist Section shoot slate sluice South Gate stone stope strata sunk surface Tasmania Gold Tasmanian Consols tion tons truck tunnel underground underlay ventilation west reef western reef width winze Zeehan zone