- highstand system tract
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тракт систем высокого уровня моря
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… … Universalium