Body of rock identified by lithic characteristics and stratigraphic position; it is usually but not necessarily tabular and is mappable at the Earth's surface or traceable in the subsurface.
Ver más 1 The cabin showed every mark of the owner's interest in the geologic formation of that immediate district.
2 The beds are of great thickness, belonging to two distinct geologic formations .
3 The professor secured the map of the geologic formations of our continent, and traced it.
4 The geologic formations tell us of a time when no life could exist-longages of convulsion and change in the crust of the globe.
5 GeoSouthern Energy, based in The Woodlands, Texas, drills for oil and gas in the Austin Chalk and Eagle Ford geologic formations in South Texas.
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Translations for geologic formation