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Deposits of this type are divided into two groups:
1) generated by running cracks or other voids ore minerals;
2) by replacing soluble limestone ore minerals introduced by hydrothermal solutions.
At deeper levels the ore consists of galena, pyrite and sphalerite in quartz, the main wealth of the deposit consisted of carbonate ores in the upper layers of deposits.
. Antimony
The main ore minerals of this metal - stibnite, antimony, or sheen (stibnite) is typical for low-temperature hydrothermal veins, meeting often in conjunction with mercury. Roof of the ore bed is shale.
Mercury
For a typical mercury deposits formed by low-temperature hydrothermal solutions, in the breccias zones, or in the form of impregnation in porous thresholds. Her companions are opal, chalcedony, quartz, calcite, dolomite, barite and fluorite at least, as the ore minerals are pyrite, marcasite, antimony brilliance rarely galena and sphalerite.
Mercury deposits in Central Asia, accompanied by antimony ores are confined to fault zones in Paleozoic limestones and shales and are breccias cemented by quartz, calcite, fluorite, cinnabar and antimony shine.
Tin
For deposits of tin-stone is characterized by high-temperature hydrothermal deposits and pneumatolytic vein or stockwork type. Tinstone with wolframite, molybdenite or less bismuth minerals, sometimes interspersed with, or in quartz veins or pegmatites. From the gangue minerals satellite
Another type of deposits of tin stone represented a very common placers formed by the destruction and erosion of primary deposits of tin and the concentration of stable and solid tin-stone in the sands of modern river sediments.