Mineral resources . -foot level areabout 110 feet south of those on the 100-foot level. From the 200 to the 300foot level the advance of the trough to the south is about 280 feet, whilefrom the 300 to the 400 foot level it is about 260 feet. The advance southfrom the 400 to the 500 foot level has not been definitely ascertained, butfrom the 400 to the 600 foot it is about 180 feet, or an average of 90 feetadvance south in sinking each 100 feet between these levels. From the 600to the 700 foot level the advance southerly of the northern point of thetrough is about 80 feet.* * Sisce this note wa
Mineral resources . -foot level areabout 110 feet south of those on the 100-foot level. From the 200 to the 300foot level the advance of the trough to the south is about 280 feet, whilefrom the 300 to the 400 foot level it is about 260 feet. The advance southfrom the 400 to the 500 foot level has not been definitely ascertained, butfrom the 400 to the 600 foot it is about 180 feet, or an average of 90 feetadvance south in sinking each 100 feet between these levels. From the 600to the 700 foot level the advance southerly of the northern point of thetrough is about 80 feet.* * Sisce this note was written, Mr. Negus and Mr. Polkinghorne have ascertained that the workingsalong Nos. 5 and 4 levels have had to be carried much farther to the north, so that the trough has pitch to the south than had been considered at the time of writing the above note. Fi*. 6. Cross- hedutdsandstone 76 S/.ites of centre countryshowing well markedcleavage$ Bedding planes § Cross-bedded *J somewhat obscured v sandstone. J-ode^ Crush zone
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectminesandmineralresou
