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Río Cachirí Group, the Glossary

The Río Cachirí Group (Grupo Río Cachirí, PZc) is a geological group of the Cesar-Ranchería Basin, Colombia and the Serranía del Perijá of the northernmost Colombian and Venezuelan Andes.^[1]

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Altiplano Cundiboyacense

The Altiplano Cundiboyacense is a high plateau located in the Eastern Cordillera of the Colombian Andes covering parts of the departments of Cundinamarca and Boyacá.

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Andes

The Andes, Andes Mountains or Andean Mountain Range are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America.

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Brachiopod

Brachiopods, phylum Brachiopoda, are a phylum of trochozoan animals that have hard "valves" (shells) on the upper and lower surfaces, unlike the left and right arrangement in bivalve molluscs.

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Bryozoa

Bryozoa (also known as the Polyzoa, Ectoprocta or commonly as moss animals) are a phylum of simple, aquatic invertebrate animals, nearly all living in sedentary colonies.

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Carboniferous

The Carboniferous is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period Ma (million years ago) to the beginning of the Permian Period, Ma.

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Cesar Department (Departamento del Cesar) or simply Cesar is a department of Colombia located in the north of the country in the Caribbean region, bordering to the north with the Department of La Guajira, to the west with the Department of Magdalena and Department of Bolivar, to the south with Department of Santander, to the east with the Department of North Santander, and further to the east with the country of Venezuela (Zulia State).

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Cesar-Ranchería Basin

The Cesar-Ranchería Basin (Cuenca Cesar-Ranchería) is a sedimentary basin in northeastern Colombia. Río Cachirí Group and Cesar-Ranchería Basin are Cesar–Ranchería Basin.

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Colombia

Colombia, officially the Republic of Colombia, is a country primarily located in South America with insular regions in North America.

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Colombian Geological Survey

The Colombian Geological Survey (CGS) (Servicio Geológico Colombiano; formerly known as INGEOMINAS) is a scientific agency of the Colombian government in charge of contributing to the socioeconomic development of the nation through research in basic and applied geosciences of the subsoil, the potential of its resources, evaluating and monitoring threats of geological origin, managing the geoscientific knowledge of the nation, and studying the nuclear and radioactive elements in Colombia.

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Composita

Composita is an extinct brachiopod genus that lived from the Late Devonian to the Late Permian. Río Cachirí Group and Composita are Devonian Colombia.

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Cordillera Oriental (Colombia)

The Cordillera Oriental (Eastern Ranges) is the widest of the three branches of the Colombian Andes.

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Crinoid

Crinoids are marine invertebrates that make up the class Crinoidea.

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Cuche Formation

The Cuche Formation (Formación Cuche, Cc) is a geological formation of the Floresta Massif, Altiplano Cundiboyacense in the Eastern Ranges of the Colombian Andes. Río Cachirí Group and Cuche Formation are Devonian Colombia, Devonian System of South America, Fossiliferous stratigraphic units of South America, geologic formations of Colombia, Paleontology in Colombia, sandstone formations and Shale formations.

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Curumaní

Curumaní is a town and municipality in the Colombian Department of Cesar.

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Devonian

The Devonian is a geologic period and system of the Paleozoic era during the Phanerozoic eon, spanning 60.3 million years from the end of the preceding Silurian period at million years ago (Ma), to the beginning of the succeeding Carboniferous period at Ma.

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Fenestella

Fenestella (c. 52 BC – c. AD 19) was a Roman historian and encyclopaedic writer.

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Floresta Formation

The Floresta Formation (Formación Floresta, Df) is a geological formation of the Altiplano Cundiboyacense in the Eastern Ranges of the Colombian Andes. Río Cachirí Group and Floresta Formation are Devonian Colombia, Devonian System of South America, Fossiliferous stratigraphic units of South America, geologic formations of Colombia, Paleontology in Colombia and Shale formations.

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Group (stratigraphy)

In geology, a group is a lithostratigraphic unit consisting of a series of related formations that have been classified together to form a group.

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Industrial University of Santander

The Industrial University of Santander (Universidad Industrial de Santander), abbreviated in Spanish with the acronym UIS, is a public university, based in a coeducational, and research model.

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Inland sea

An inland sea (also known as an epeiric sea or an epicontinental sea) is a continental body of water which is very large in area and is either completely surrounded by dry land or connected to an ocean by a river, strait or "arm of the sea".

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La Guajira Department

La Guajira is a department of Colombia.

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Limestone

Limestone (calcium carbonate) is a type of carbonate sedimentary rock which is the main source of the material lime.

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Mica

Micas are a group of silicate minerals whose outstanding physical characteristic is that individual mica crystals can easily be split into extremely thin elastic plates.

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Mollusca

Mollusca is the second-largest phylum of invertebrate animals, after Arthropoda; members are known as molluscs or mollusks.

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Neospirifer

Neospirifer is an extinct genus of articulate brachiopod fossils belonging to the family Trigonotretidae.

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Paleo-Tethys Ocean

The Paleo-Tethys or Palaeo-Tethys Ocean was an ocean located along the northern margin of the paleocontinent Gondwana that started to open during the Middle Cambrian, grew throughout the Paleozoic, and finally closed during the Late Triassic; existing for about 400 million years.

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Pecten (bivalve)

Pecten is a genus of large scallops or saltwater clams, marine bivalve molluscs in the family Pectinidae, the scallops.

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Quartzite

Quartzite is a hard, non-foliated metamorphic rock which was originally pure quartz sandstone.

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San Diego, Cesar

San Diego is a town and municipality in the Colombian Department of Cesar.

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Sandstone

Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains, cemented together by another mineral.

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Serranía del Perijá

The Serranía del Perijá, Cordillera de Perijá or Sierra de Perijá is a mountain range, an extension of the eastern Andean branch (Cordillera Oriental), in northern South America, between Colombia and Venezuela, ending further north in the Guajira Desert, a total distance of about.

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Shale

Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin, Al2Si2O5(OH)4) and tiny fragments (silt-sized particles) of other minerals, especially quartz and calcite.

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References

[1] https://en.wikipedia.org/wiki/Río_Cachirí_Group

Also known as Cachirí Group.

Río Cachirí Group, the Glossary

Table of Contents

See also

Cesar–Ranchería Basin

Colombia–Venezuela border

Devonian Colombia

Devonian System of South America

Devonian Venezuela

Geography of Cesar Department

Geography of La Guajira Department

Geography of Zulia

Geologic formations of Venezuela

Geologic groups of South America

Paleontology in Colombia

Paleontology in Venezuela

References