Geology of the USSR 1

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Having accepted an offer from Gebriider Borntraeger Publishing House to write on the geology of the USSR, I recognize the absence of recent works available outside the country. Many scientists struggle to access extensive Soviet literature due to language barriers. The last significant English translation was NALIVKIN's "Geology of the USSR," published in 1960, and since then, new data have emerged that challenge previous concepts across various Soviet regions. Notably, the understanding of the fold system structure has evolved with new theoretical geology insights, acknowledging the role of overthrust nappes and detailed studies of ophiolitic complexes as remnants of oceanic crust. Paleomagnetic studies indicate significant horizontal movements of ancient cratons. This work emphasizes tectonic structure, paleotectonics, and lithological formations, omitting detailed stratigraphic and paleontological data to maintain brevity. Readers are directed to comprehensive resources like "Geology of the USSR" and "Stratigraphy of the USSR" for further information. The publication also references the "Atlas of Lithologic-Paleogeographic Maps of the USSR" for paleogeography insights. The second part, expected in winter 1986/87, will cover Mesozoic and Cenozoic structures, including geosynclinal evolution and plate tectonics, appealing to geoscientists and related fields.