Peak-ring Basin
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A peak ring crater is a type of
complex crater Complex craters are a type of large impact crater morphology. Complex craters are classified into two groups: ''central-peak craters'' and '' peak-ring craters''. Peak-ring craters have diameters that are larger in than central-peak craters and ...
, which is different from a
multi-ringed basin A multi-ringed basin (also a multi-ring impact basin) is not a simple bowl-shaped crater, or a Peak ring (crater), peak ring crater, but one containing multiple concentric Topography, topographic rings; a multi-ringed basin could be described as ...
or central-peak crater. A central peak is not seen; instead, a roughly circular ring or plateau, possibly discontinuous, surrounds the crater's center, with the crater rim still farther out from the center.


Formation

The rings form by different processes, and inner rings may not be formed by the same processes as outer rings.Geology Page
www.geologypage.com/2016/10/research-helps-explain-formation-ringed-crater-moon.html
accessdate: February 5, 2017 It has long been the view that peak rings are formed in the stage subsequent to central peak formation in craters, with the stage being dependent on the crater diameter and planetary gravity. The central peaks of craters are believed to originate from hydrodynamic flow of material lifted by inward-collapsing crater walls, while impact-shattered rock debris is briefly turned to fluid by strong vibrations that develop during crater formation. The peak-ring structure of
Chicxulub crater The Chicxulub crater is an impact crater buried underneath the Yucatán Peninsula in Mexico. Its center is offshore, but the crater is named after the onshore community of Chicxulub Pueblo (not the larger coastal town of Chicxulub Puerto). I ...
was probably formed as inward-collapsing material struck the over-steepened central peak, to form a hydraulic jump at the location where the peak ring was located. Other hypotheses have been formulated. Perhaps, in the case of
Chicxulub crater The Chicxulub crater is an impact crater buried underneath the Yucatán Peninsula in Mexico. Its center is offshore, but the crater is named after the onshore community of Chicxulub Pueblo (not the larger coastal town of Chicxulub Puerto). I ...
, an over-high central peak collapsed into the peak ring. Chicxulub is Earth's only crater to have an intact peak ring structure. The Carswell crater in Saskatchewan, Canada, may also be an eroded peak ring crater.


Examples

File:Raditladi basin 2015.jpg, Raditladi, a relatively young peak-ring crater on Mercury File:Barton crater.jpg, Barton, a peak-ring crater on
Venus Venus is the second planet from the Sun. It is often called Earth's "twin" or "sister" planet for having almost the same size and mass, and the closest orbit to Earth's. While both are rocky planets, Venus has an atmosphere much thicker ...
File:Schrödinger (LRO) 500 km.png, Schrödinger, a peak-ring crater on the
Moon The Moon is Earth's only natural satellite. It Orbit of the Moon, orbits around Earth at Lunar distance, an average distance of (; about 30 times Earth diameter, Earth's diameter). The Moon rotation, rotates, with a rotation period (lunar ...
File:Lowell crater PIA02836.jpg, Lowell, a peak-ring crater on
Mars Mars is the fourth planet from the Sun. It is also known as the "Red Planet", because of its orange-red appearance. Mars is a desert-like rocky planet with a tenuous carbon dioxide () atmosphere. At the average surface level the atmosph ...


See also

On Mercury: * Ahmad Baba *
Caravaggio Michelangelo Merisi da Caravaggio (also Michele Angelo Merigi or Amerighi da Caravaggio; 29 September 1571 – 18 July 1610), known mononymously as Caravaggio, was an Italian painter active in Rome for most of his artistic life. During the fina ...
*
Chekhov Anton Pavlovich Chekhov (; ; 29 January 1860 – 15 July 1904) was a Russian playwright and short-story writer, widely considered to be one of the greatest writers of all time. His career as a playwright produced four classics, and his b ...
*
Eminescu Mihai Eminescu (; born Mihail Eminovici; 15 January 1850 – 15 June 1889) was a Romanian Romantic poet, novelist, and journalist from Moldavia, generally regarded as the most famous and influential Romanian poet. Eminescu was an active memb ...
*
Holst Gustav Theodore Holst (born Gustavus Theodore von Holst; 21 September 1874 – 25 May 1934) was an English composer, arranger and teacher. Best known for his orchestral suite ''The Planets'', he composed many other works across a range ...
*
Homer Homer (; , ; possibly born ) was an Ancient Greece, Ancient Greek poet who is credited as the author of the ''Iliad'' and the ''Odyssey'', two epic poems that are foundational works of ancient Greek literature. Despite doubts about his autho ...
*
Michelangelo Michelangelo di Lodovico Buonarroti Simoni (6March 147518February 1564), known mononymously as Michelangelo, was an Italian sculptor, painter, architect, and poet of the High Renaissance. Born in the Republic of Florence, his work was inspir ...
*
Mozart Wolfgang Amadeus Mozart (27 January 1756 – 5 December 1791) was a prolific and influential composer of the Classical period (music), Classical period. Despite his short life, his rapid pace of composition and proficiency from an early age ...
*
Nabokov Vladimir Vladimirovich Nabokov ( ; 2 July 1977), also known by the pen name Vladimir Sirin (), was a Russian and American novelist, poet, translator, and entomologist. Born in Imperial Russia in 1899, Nabokov wrote his first nine novels in Rus ...
*
Polygnotus Polygnotus (; ''Polygnotos'') was an ancient Greek painter from the middle of the 5th century BC. Life He was the son and pupil of Aglaophon. He was a native of Thasos but was adopted by the Athenians and admitted to their citizenship. Dur ...
*
Rachmaninoff Sergei Vasilyevich Rachmaninoff; in Russian pre-revolutionary script. (28 March 1943) was a Russian composer, virtuoso pianist, and conductor. Rachmaninoff is widely considered one of the finest pianists of his day and, as a composer, one of ...
* Raditladi *
Renoir Pierre-Auguste Renoir (; ; 25 February 1841 – 3 December 1919) was a French artist who was a leading painter in the development of the Impressionist style. As a celebrator of beauty and especially feminine sensuality, it has been said that ...
*
Vivaldi Antonio Lucio Vivaldi (4 March 1678 – 28 July 1741) was an Italian composer, virtuoso violinist, impresario of Baroque music and Roman Catholic priest. Regarded as one of the greatest Baroque composers, Vivaldi's influence during his lif ...
On Venus: * Barton *
Isabella Isabella may refer to: People and fictional characters * Isabella (given name), including a list of people and fictional characters * Isabella (surname), including a list of people Places United States * Isabella, Alabama, an unincorpo ...
* Meitner *
Mona Lisa The ''Mona Lisa'' is a half-length portrait painting by the Italian artist Leonardo da Vinci. Considered an archetypal masterpiece of the Italian Renaissance, it has been described as "the best known, the most visited, the most written about, ...
* Wheatley * Yablochkina On Earth: *
Chesapeake Bay The Chesapeake Bay ( ) is the largest estuary in the United States. The bay is located in the Mid-Atlantic (United States), Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula, including parts of the Ea ...
*
Chicxulub The Chicxulub crater is an impact crater buried underneath the Yucatán Peninsula in Mexico. Its center is offshore, but the crater is named after the onshore community of Chicxulub Pueblo (not the larger coastal town of Chicxulub Puerto). I ...
*
Ries Ries is the German word for a unit of paper ream, derived from the Arabic word ''rizma''. The term can refer to: Geography * Nördlinger Ries, a large circular depression in western Bavaria, Germany. * Ries (Graz), a district of the city of Gra ...
* West Clearwater Lake On the Moon: *
Apollo Apollo is one of the Twelve Olympians, Olympian deities in Ancient Greek religion, ancient Greek and Ancient Roman religion, Roman religion and Greek mythology, Greek and Roman mythology. Apollo has been recognized as a god of archery, mu ...
* Antoniadi * Grimaldi *
Hertzsprung Ejnar Hertzsprung (; 8 October 1873 – 21 October 1967) was a Danish chemist and astronomer. He is best remembered for his role in developing the Hertzsprung-Russell diagram of stars. Career Hertzsprung was born in Frederiksberg, Denmark, t ...
*
Korolev Korolyov, also transliterated as Korolev or Korolov (), or its feminine variant Korolyova, Koroleva, Korolova (), is a common Russian surname, and the name of multiple places in Russia. It is derived from the word ''korol'' (), meaning "king". Kor ...
* Milne *
Poincaré Poincaré is a French surname. Notable people with the surname include: * Henri Poincaré Jules Henri Poincaré (, ; ; 29 April 185417 July 1912) was a French mathematician, Theoretical physics, theoretical physicist, engineer, and philos ...
* Schrödinger *
Schiller-Zucchius Basin The Schiller-Zucchius Basin is a Pre-Nectarian Impact crater, impact basin on the near side of the Moon. It is named after the elongated crater Schiller (crater), Schiller at the northeast margin and fresh crater Zucchius (crater), Zucchius near ...
*
Freundlich-Sharonov Basin The Freundlich-Sharonov Basin is a Pre-Nectarian impact basin on the far side of the Moon. It is named after the younger craters Freundlich near the northwest margin and Sharonov near the southwest margin. It lies east of Mare Moscoviense bas ...
On Mars: *
Galle Galle (, ; , ) (formerly ) is a major city on the southwestern tip of Sri Lanka, south of Colombo. Galle is the provincial capital and largest city of Southern Province, Sri Lanka and is the capital of Galle District. Galle was known as ''Gi ...
* Herschel *
Kepler Johannes Kepler (27 December 1571 – 15 November 1630) was a German astronomer, mathematician, astrologer, natural philosopher and writer on music. He is a key figure in the 17th-century Scientific Revolution, best known for his laws of p ...
* Lowell * Lyot * Schiaparelli


References

{{reflist


External links and references


Understanding the Impact Cratering Process: a Simple Approach

How the dino-killing asteroid put a ring on its crater
Scott K. Johnson, ''Ars Technica'', 11/17/2016
Peak-Ring Structure
Encyclopedia of Planetary Landforms
The formation of peak rings in large impact craters
Joanna V. Morgan ''et al.'', 2016,
Science Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the universe. Modern science is typically divided into twoor threemajor branches: the natural sciences, which stu ...
, 18 Nov 2016: Vol. 354, Issue 6314, pp. 878–882 Impact craters Impact geology