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Historical geology or palaeogeology is a discipline that uses the principles and methods of geology to reconstruct the geological history of Earth. [1] Historical geology examines the vastness of geologic time, measured in billions of years, and investigates changes in the Earth , gradual and sudden, over this deep time .
Group or Formation Period Notes Citronelle Formation: Neogene: Claiborne Group / Cane River Formation (Cook Mountain Formation or St. Maurice Formation)Paleogene: Claiborne Group / Lisbon Formation
Over the years, the Louisiana Geological Survey has been involved in a wide range research concerning economic, groundwater, and environmental geology of Louisiana. For example, the Louisiana Geological Survey has conducted detailed investigations of the 1. geopressured-geothermal resources of the Gulf Coast; 2. oils and gas resources, including the Tuscaloosa Marine shale, 3.
The Precambrian includes approximately 90% of geologic time. It extends from 4.6 billion years ago to the beginning of the Cambrian Period (about 539 Ma).It includes the first three of the four eons of Earth's prehistory (the Hadean, Archean and Proterozoic) and precedes the Phanerozoic eon.
Historical geology is a discipline that uses the principles and techniques of geology to reconstruct and understand the geological history of Earth. Articles about that subject are categorized under Category:Geological history of Earth .
The most famous fossil sites within Louisiana are Creola Bluff at Montgomery Landing Site in Grant Parish, Louisiana [20] and the Cane River Site, Natchitoches Parish, Louisiana. The Montgomery Landing Site was a 500 meters (1,600 ft) long and 14 meters (46 ft) high bluff that was the cutbank on the east side of the Red River .
Abderospira † Abderospira leblanci † Abderospira oviformis † Abderospira stewarti † Abdounia † Abdounia enniskilleni Abra † Abra nitens Shell of an Acanthocardia cockle Acanthocardia † Acanthocardia tuomeyi † Aciculiscala † Aciculiscala jacobi Acirsa † Acirsa whitneyi Aclis – report made of unidentified related form or using admittedly obsolete nomenclature † Aclis ...
Solidified lava flow in Hawaii Sedimentary layers in Badlands National Park, South Dakota Metamorphic rock, Nunavut, Canada. Geology (from Ancient Greek γῆ (gê) 'earth' and λoγία () 'study of, discourse') [1] [2] is a branch of natural science concerned with the Earth and other astronomical objects, the rocks of which they are composed, and the processes by which they change over time. [3]