Geology of the Soviet Tien Shan in the light of new data
Authors:
Abstract
In connection with the identified new scheme of the geological structure of the Soviet Tien Shan, all the volcanic processes of the latter are rejuvenated. In confirmation of this, we observe the appearance of basalts among the tertiary sediments in the valley of the Naryn River, discovered by S. S. Shultz, granite aplites in the Dzhemandavan ridge, found by O.I. Sergunkova, cutting through the Tertiary Naryn salt-bearing formation, the deposit of cockade lead ores described by I.I. Bezdeka in the Akshiyryak ridge among Quaternary conglomerates, etc. All this suggests that it is necessary to set a priority task to review all manifestations of volcanism in within the Tien Shan and not only Alpine tectogenesis, but also more ancient periods of its manifestations. This question is not only of purely scientific, but also of great practical importance, as it makes it possible to expand the base of searches for various minerals associated with intrusions, both vertically and in area. All those deposits that were previously considered characteristic only of the “central arcs” of the Tien Shan can now and should be discovered in the “northern arcs” of the latter, such as deposits of mercury, antimony, arsenic, radioactive ores, etc.
Область исследования:
Geology
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