Computer Science
Scientific paper
Feb 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985rpesc.......19t&link_type=abstract
In its USSR Rept: Earth Sci. (JPRS-UES-85-003) p 19 (SEE N85-19446 10-42) Transl. into ENGLISH from Izv. Akad. Nauk SSSR, Ser.
Computer Science
Earth (Planet), Oceans, Planetary Evolution, Sediments, Structural Basins, Boreholes, Geochronology, Geomagnetism, Islands, Kinetics
Scientific paper
The data presented indicate a certain directionality in the development of types of sedimentary processes over time, with an increase in the degree of contrast of the relief of the planet. From the Archean to Quaternary the differences between levels of upthrusts and depressions continually increase, the height of mountain ridges and of the continents increases, trench morphometry of the seas and oceans increases, the volume of sea water and ocean water increases, particularly in Postpaleozoic time. Quite similar shallow water sediment accumulation conditions were observed in the Jurassic and Cretaceous periods both in contemporary oceanic basins and over a portion of the contemporary continental block. At the end of the late Cretaceous and beginning of the Paleogenic period, as a result of separation and depression of tremendous areas of America, Eurasia, Africa and Australia, the contemporary ocean began to develop. This event was observed in boreholes as the broad scale occurrence of deep water red clays. The deepening of the ocean depressions which occurred in the Cenozoic completed the stabilization period and led to the development of actual oceanic sedimentation.
Kholodov V. N.
Timofeyev P. P.
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