Geology of the Twin "J" Mine

THE Twin "J" Mine, operated by Twin "J" Mines, Limited, represents an amalgamation of the old Lenora, Tyee, and Richard III mines (see Figure 1) on mount Sicker, eight miles by road, northwesterly, from the city of Duncan, on Vancouver island.
Keywords: barite, porphyry, quartz, rhyolite, schist, North, Ore, Orebody, Ores, Porphyry, quartz, Rock, Rocks, sediments
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