In geology, a facies is a body of rock with distinctive characteristics. The characteristics can be any observable attribute of rocks and the changes that may occur in those attributes over a geograph
Eolianite carbonate facies (Holocene) on Long Island, Bahamas
Stratigraphic column on the north shore of Isfjord in Svalbard Norway. The vertical succession of rock types (representing sedimentary facies) reflects lateral changes in paleoenvironment.
Middle Triassic marginal marine siltstone and sandstone facies exposed in southern Utah
In geology, depositional environment or sedimentary environment describes the combination of physical, chemical, and biological processes associated with the deposition of a particular type of sedimen
Facies
…whereas facies based on fossil content are called biofacies. A facies is usually further subdivided. The characteristics of the rock unit come from the depositional environment and from the original composition. Sedimentary facies reflect their depositional environment, each facies being a distinct kind of sediment for that…
Depositional environmental model of the Araripe Basin formations, NE Brazil