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After nine years, the Gold Canyon placers were producing less, and many miners left for the Mono Lake placers. [2]: 2 The gold from Gold Canyon came from quartz veins, toward the head of the vein, in the vicinity of where Silver City and Gold Hill now stand. As the miners worked their way up the stream, they founded the town of Johntown on a ...
Gold-bearing quartz veins, Blue Ribbon Mine, Alaska. In geology, a lode is a deposit of metalliferous ore that fills or is embedded in a fracture (or crack) in a rock formation or a vein of ore that is deposited or embedded between layers of rock. [1]
Sample of gold ore from the Red Lake Mine consisting of a stockwork of gold filled veinlets (sample width: 6.6 cm) In geology, a stockwork is a complex system of structurally controlled or randomly oriented veins. [1] Stockworks are common in many ore deposit types and in greisens. [2] They are also referred to as stringer zones.
The bureau announced the detection of 40 gold veins, ... In all, there could be over 1,000 metric tonnes of the precious metal at the site which, at current prices, would bring in more than 600 ...
Quartz is generally the dominant mineral in the veins, but there are also gold bearing carbonate dominant veins in orogenic deposits. [15] Ore bodies of orogenic gold deposits are generally defined by ≤ 3–5% sulfide minerals, most commonly arsenopyrite in metasedimentary host rocks and pyrite /pyrrhotite in meta-igneous rocks, and ≤ 5 ...
In situ gold-bearing vein (in brown) at the Toi gold mine, Japan. In many gold mines exploited during the gold rushes of the 19th century, vein material alone was typically sought as ore material. [8] In most of today's mines, ore material is primarily composed of the veins and some component of the wall rocks which surrounds the veins. [9]
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