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Ortega Formation, the Glossary

The Ortega Formation is a geologic formation that crops out in most of the mountain ranges of northern New Mexico.^[1]

45 relations: Aluminosilicate, Arizona, Back-arc basin, Biostratigraphy, Burned Mountain Formation, Colorado, Contact (geology), Continental shelf, Cross-bedding, Detrital zircon geochronology, Feldspar, Geologic time scale, Geological formation, Glenwoody Formation, Hondo Group, Las Tablas, New Mexico, Manganese, Marine transgression, Mazatzal Group, Mazatzal orogeny, Metaconglomerate, Metamorphic facies, Million years ago, New Mexico, Orogeny, Pegmatite, Picuris Mountains, Picuris orogeny, Pilar Formation, Precambrian, Proterozoic, Quartz, Quartzite, Rinconada Formation, Schist, Shear zone, Siliciclastic, Sillimanite, Statherian, Thrust fault, Tusas Mountains, Uncompahgre Formation, United States, Vadito Group, Yavapai orogeny.
Precambrian formations of New Mexico
Quartzite formations

Aluminosilicate

Aluminosilicate refers to materials containing anionic Si-O-Al linkages.

See Ortega Formation and Aluminosilicate

Arizona

Arizona (Hoozdo Hahoodzo; Alĭ ṣonak) is a landlocked state in the Southwestern region of the United States.

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Back-arc basin

A back-arc basin is a type of geologic basin, found at some convergent plate boundaries.

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Biostratigraphy

Biostratigraphy is the branch of stratigraphy which focuses on correlating and assigning relative ages of rock strata by using the fossil assemblages contained within them.

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The Burned Mountain Formation is a geologic formation that crops out in the Tusas Mountains of northern New Mexico. Ortega Formation and Burned Mountain Formation are Precambrian formations of New Mexico.

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Colorado

Colorado (other variants) is a landlocked state in the Mountain West subregion of the Western United States.

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A geological contact is a boundary which separates one rock body from another.

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Continental shelf

A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water, known as a shelf sea.

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Cross-bedding

In geology, cross-bedding, also known as cross-stratification, is layering within a stratum and at an angle to the main bedding plane.

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Detrital zircon geochronology

Detrital zircon geochronology is the science of analyzing the age of zircons deposited within a specific sedimentary unit by examining their inherent radioisotopes, most commonly the uranium–lead ratio.

See Ortega Formation and Detrital zircon geochronology

Feldspar

Feldspar (sometimes spelled felspar) is a group of rock-forming aluminium tectosilicate minerals, also containing other cations such as sodium, calcium, potassium, or barium.

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Geologic time scale

The geologic time scale or geological time scale (GTS) is a representation of time based on the rock record of Earth.

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Geological formation

A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics (lithology) that distinguishes it from adjacent bodies of rock, and which occupies a particular position in the layers of rock exposed in a geographical region (the stratigraphic column).

See Ortega Formation and Geological formation

Glenwoody Formation

The Glenwoody Formation is a geological formation that is exposed in the cliffs southeast of the Rio Grande Gorge near the town of Pilar and in a few other locations in the Picuris Mountains. Ortega Formation and Glenwoody Formation are Precambrian formations of New Mexico.

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Hondo Group

The Hondo Group is a group of geologic formations that crops out in most of the Precambrian-cored uplifts of northern New Mexico. Ortega Formation and Hondo Group are Precambrian formations of New Mexico.

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Las Tablas, New Mexico

Las Tablas is an unincorporated community located in Rio Arriba County, New Mexico, United States.

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Manganese

Manganese is a chemical element; it has symbol Mn and atomic number 25.

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Marine transgression

A marine transgression is a geologic event during which sea level rises relative to the land and the shoreline moves toward higher ground, which results in flooding.

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Mazatzal Group

The Mazatzal Group is a group of geologic formations that crops out in portions of central Arizona, US. Ortega Formation and Mazatzal Group are Quartzite formations.

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Mazatzal orogeny

The Mazatzal orogeny was an orogenic event in what is now the Southwestern United States from 1650 to 1600 Mya in the Statherian Period of the Paleoproterozoic.

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Metaconglomerate is a rock type which originated from conglomerate after undergoing metamorphism.

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A metamorphic facies is a set of mineral assemblages in metamorphic rocks formed under similar pressures and temperatures.

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Million years ago

Million years ago, abbreviated as Mya, Myr (megayear) or Ma (megaannum), is a unit of time equal to (i.e. years), or approximately 31.6 teraseconds.

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New Mexico

New Mexico (Nuevo MéxicoIn Peninsular Spanish, a spelling variant, Méjico, is also used alongside México. According to the Diccionario panhispánico de dudas by Royal Spanish Academy and Association of Academies of the Spanish Language, the spelling version with J is correct; however, the spelling with X is recommended, as it is the one that is used in Mexican Spanish.; Yootó Hahoodzo) is a state in the Southwestern region of the United States.

See Ortega Formation and New Mexico

Orogeny

Orogeny is a mountain-building process that takes place at a convergent plate margin when plate motion compresses the margin.

See Ortega Formation and Orogeny

Pegmatite

A pegmatite is an igneous rock showing a very coarse texture, with large interlocking crystals usually greater in size than and sometimes greater than.

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Picuris Mountains

The Picuris Mountains are a mountain range in northern New Mexico.

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Picuris orogeny

The Picuris orogeny was an orogenic event in what is now the Southwestern United States from 1.43 to 1.3 billion years ago in the Calymmian Period of the Mesoproterozoic.

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Pilar Formation

The Pilar Formation is a geologic formation that crops out in the Picuris Mountains of northern New Mexico. Ortega Formation and Pilar Formation are Precambrian formations of New Mexico.

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Precambrian

The Precambrian (or Pre-Cambrian, sometimes abbreviated pC, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon.

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Proterozoic

The Proterozoic is the third of the four geologic eons of Earth's history, spanning the time interval from 2500 to 538.8Mya, the longest eon of the Earth's geologic time scale.

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Quartz

Quartz is a hard, crystalline mineral composed of silica (silicon dioxide).

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Quartzite

Quartzite is a hard, non-foliated metamorphic rock which was originally pure quartz sandstone. Ortega Formation and Quartzite are Quartzite formations.

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Rinconada Formation

The Rinconada Formation is a geologic formation that crops out in the Picuris Mountains of northern New Mexico. Ortega Formation and Rinconada Formation are Precambrian formations of New Mexico.

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Schist

Schist is a medium-grained metamorphic rock showing pronounced schistosity.

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Shear zone

In geology, a shear zone is a thin zone within the Earth's crust or upper mantle that has been strongly deformed, due to the walls of rock on either side of the zone slipping past each other.

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Siliciclastic

Siliciclastic (or siliclastic) rocks are clastic noncarbonate sedimentary rocks that are composed primarily of silicate minerals, such as quartz or clay minerals.

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Sillimanite

Sillimanite or fibrolite is an aluminosilicate mineral with the chemical formula Al2SiO5.

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Statherian

The Statherian Period (statherós, meaning "stable, firm") is the final geologic period in the Paleoproterozoic era and lasted from Mya to Mya (million years ago).

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Thrust fault

A thrust fault is a break in the Earth's crust, across which older rocks are pushed above younger rocks.

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Tusas Mountains

The Tusas Mountains are a mountain range in northern New Mexico, extending slightly into southern Colorado.

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Uncompahgre Formation

The Uncompahgre Formation is a geologic formation in Colorado.

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United States

The United States of America (USA or U.S.A.), commonly known as the United States (US or U.S.) or America, is a country primarily located in North America.

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Vadito Group

The Vadito Group is a group of geologic formations that crops out in most of the Precambrian-cored uplifts of northern New Mexico. Ortega Formation and Vadito Group are Precambrian formations of New Mexico.

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Yavapai orogeny

The Yavapai orogeny was an orogenic (mountain-building) event in what is now the Southwestern United States that occurred between 1710 and 1680 million years ago (Mya), in the Statherian Period of the Paleoproterozoic.

See Ortega Formation and Yavapai orogeny

References

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

Ortega Formation, the Glossary

Table of Contents

See also

Precambrian formations of New Mexico

Quartzite formations

References