quartz vein in a sentence
Examples
- Besides panning and other gold-washing machines, efforts shifted to working the lode deposits, or gold-bearing quartz vein mining.
- Dolomitic and veins are widespread throughout the complex as are calcite-quartz veins with minor galena, baryte and chalcopyrite.
- The old mine workings exploited leads quartz vein-rich zones in slatey interbeds in the predominately greywhacke succession.
- During the explorations by Custer, gold was discovered in a quartz vein on the slopes of Eldorado Peak.
- They found fantastic cavities in quartz veins in a limestone, filled with thousands of lustrous emerald-green transparent crystals.
- The gold-bearing quartz veins of the Vulture Mine, southwest of Wickenburg, in Maricopa County were discovered in 1863.
- Besides placer deposits of gold, and gold bearing quartz in weathered rock, gold also occurs in quartz veins.
- By increase of quartz, aplites pass gradually, in a few localities, through highly quartzose modifications into quartz veins.
- A series of trenches at 25-meter intervals were dug across the gold deposit which consists of large quartz vein.
- Gold and silver mineralization is hosted in over 40 epithermal quartz veins and breccias of low to intermediate sulfidation.