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Books Books 1 - 1 of 1 on There is also about a ton of iron pyrites, marcasite and copper pyrites with a coating....  
" There is also about a ton of iron pyrites, marcasite and copper pyrites with a coating of copper sulphate, and 19 tons mixed green and red chlorite ore with tin in crystals and finely disseminated, amounting to, say, 5 per cent. "
Bowen River Coalfields: Preliminary Report Relating To) - Page 26
by Robert Logan Jack - 1883 - 2 pages
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Queensland: A Sketch

Industries - 1888 - 51 pages
...traverses porphyry country. Ferruginous chlorite is seen at the mouth of the shaft. There is at grass about a ton of iron pyrites, marcasite and copper...finely disseminated, amounting to, say, 5 per cent. Near the north end of the ground is a shaft 38ft deep on a dyke of quartzose chlorite 12ft wide. The...
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