underlying geologic formation
1Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… …
2Geologic map — A geologic map or geological map is a special purpose map made to show geological features.The stratigraphic contour lines are drawn on the surface of a selected deep stratum, so that they can show the topographic trends of the strata under the… …
3Marcellus Formation — Stratigraphic range: Middle Devonian …
4Cedar Mountain Formation — Stratigraphic range: Late Cretaceous Type Geological formation Location Region North America The Cedar Mountain Formation is the name given to distinctive sedimentary rocks in eastern Utah that occur between the underlying …
5Kayenta Formation — The Kayenta Formation is a geologic layer in the Glen Canyon Group that is spread across the Colorado Plateau province of the United States, including northern Arizona, northwest Colorado, Nevada, and Utah. This rock formation is particularly… …
6Green River Formation — Infobox Rockunit name = Green River Formation caption = type = Geological formation prilithology = varied otherlithology = see text namedfor = Green River (Utah) namedby = region = Rocky Mountains country = United States coordinates = unitof =… …
7Dakota Formation — Stratigraphic range: Upper Cretaceous Outcrop of Dakota Formation at crest of Dinosaur Ridge, near Golden, Colorado Type Geologic formation …
8Oxford Clay Formation — Oxford Clay (Jurassic) exposed near Weymouth, England. The Oxford Clay Formation is a Jurassic marine sedimentary rock formation underlying much of southeast England, from as far west as Dorset and as far north as Yorkshire. The Oxford Clay is of …
9Cerrejón Formation — Stratigraphic range: Middle Late Paleocene Section of the Cerrejón coal mine. Type Geological formation Sub units …
10Huincul Formation — NOTOC The Huincul Formation is a geologic formation that outcrops in Río Negro and Neuquén provinces of Argentina. It is the second formation in the Río Limay Subgroup, the oldest subgroup within the Neuquén Group. Formerly that subgroup was… …
