Campanario Formation is a Miocene geological formation in the high Andes of Central Chile and northern Neuquén Province in Argentina. The formation crops out around the upper parts of the basins of Maule and Ñuble rivers.
In mathematics, a class formation is a topological group acting on a module satisfying certain conditions. Class formations were introduced by Emil Artin and John Tate to organize the various...
The Shishugou Formation is a geological formation in Xinjiang, China. Its strata date back to the Late Jurassic period. Dinosaur remains are among the fossils that have been recovered from...
The Nemegt Formation is a geological formation in the Gobi Desert of Mongolia, dating to the Late Cretaceous. The formation consists of river channel sediments and contains fossils of fish,...
Caleta Godoy Formation is a geological formation whose main outcrops lie around Chacao Channel in southern Chile. The formation overlies Bahía Mansa Metamorphic Complex and Santo Domingo Formation.
Caleta Herradura Formation is a geologic formation of Late Miocene age, cropping out on the Mejillones Peninsula in northern Chile. The erosion at the Coastal Cliff of northern Chile have...
Cholchol Formation is a geological formation composed of sediments that were deposited during the Miocene in the Temuco Basin of south–central Chile. The sediments were deposited in a marine environment.
Parga Formation is a geological formation of sedimentary rock in south-central Chile. The sediments of the formation were deposited during the Late Oligocene and Middle Miocene epochs. The formation's lower...
