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Silica mineral, rare polymorph of quartz
Coesite (/ˈkoʊsaɪt/) is a form (polymorph) of silicon dioxide (SiO2) that is formed when very high pressure (2–3 gigapascals), and moderately high temperature
Coesite
Oxide of silicon
cristobalite (high-temperature form), stishovite (high-pressure form), and coesite (high-pressure form). On the other hand, amorphous silica can be found
Silicon_dioxide
Metamorphic rock formed under high pressure
(omphacite). Accessory minerals include kyanite, rutile, quartz, lawsonite, coesite, amphibole, phengite, paragonite, zoisite, dolomite, corundum and, rarely
Eclogite
Form of the mineral quartz, found in nuclear test sites and meteor impact zones
associated in nature with two high-pressure polymorphs of silicon dioxide: coesite and stishovite. These polymorphs have a crystal structure different from
Shocked_quartz
Chinese geologist (1919–2008)
best known for discovering two high-pressure forms of silica in nature: coesite and stishovite. Chao was born in Suzhou, China. He was the son of theologian
Edward_C._T._Chao
refers to metamorphic processes at pressures high enough to stabilize coesite, the high-pressure polymorph of SiO2. It is important because the processes
Ultra-high-pressure metamorphism
Ultra-high-pressure_metamorphism
Silica mineral, polymorph of quartz
polymorphs with all the members of the quartz group, which also include coesite, tridymite and stishovite. It is named after Cerro San Cristóbal in Pachuca
Cristobalite
Circular geological feature in the Sahara desert
other deformation indicative of a hypervelocity extraterrestrial impact. Coesite, an indicator of shock metamorphism, was initially reported as being present
Richat_Structure
Rock that was subjected to heat and pressure
produces rare ultrahigh pressure metamorphic minerals, such as coesite and stishovite. Coesite is rarely found in eclogite brought to the surface in kimberlite
Metamorphic_rock
Gravel-sized glass beads formed from meteorite impacts
unshocked mineral grains, i.e. quartz, apatite, and zircon, as well as coesite. The difference in water content can be used to distinguish tektites from
Tektite
Circular depression in a solid astronomical body formed by the impact of a smaller object
Teapot Ess in 1955. In 1960, Edward C. T. Chao and Shoemaker identified coesite (a form of silicon dioxide) at Meteor Crater, proving the crater was formed
Impact_crater
American geologist and astronomer (1928–1997)
1955. In 1960, Edward C. T. Chao and Shoemaker identified shocked quartz (coesite) at Meteor Crater, proving the crater was formed from an impact generating
Eugene_Merle_Shoemaker
Ordered arrangement of atoms, ions, or molecules in a crystalline material
crystalline forms of silica, SiO2. The most important forms of silica include: α-quartz, β-quartz, tridymite, cristobalite, coesite, and stishovite.
Crystal_structure
Meteorite impact crater in Bavaria, Germany
presence of coesite, which, in unmetamorphosed rocks, can only be formed by the shock pressures associated with meteorite impact. The coesite was found
Nördlinger_Ries
Meteorite impact crater in northern Arizona
crater. A key discovery was the presence in the crater of the minerals coesite and stishovite, rare forms of silica found only where quartz-bearing rocks
Meteor_Crater
Mineral made of silicon and oxygen
high-temperature polymorphs of SiO2 that occur in high-silica volcanic rocks. Coesite is a denser polymorph of SiO2 found in some meteorite impact sites and
Quartz
Valley in Northern Nicaragua
breccia, impact glasses containing lechatelierite, coesite, the high-pressure silicon dioxide polymorph coesite, and extraterrestrial chromium isotope ratios
Pantasma
Chemical element with atomic number 22 (Ti)
Jiliang; Wu, Jun (30 April 2000). "Native titanium inclusions in the coesite eclogites from Dabieshan, China". Earth and Planetary Science Letters.
Titanium
Collision of two astronomical objects
found worldwide at 100 different sites. Multidirectionally shocked quartz (coesite), which is normally associated with large impact events or atomic bomb
Impact_event
Clinoptilolite Clinozoisite Clintonite Cobaltite Coccinite Coconinoite Coesite Coffinite Cohenite Colemanite Colimaite Collinsite Coloradoite Columbite
List_of_minerals
Comparison of a wide range of lengths
unit cell 820 pm – mean width of ice unit cell 900 pm – mean width of coesite unit cell The nanometre (SI symbol: nm) is a unit of length in the metric
Orders_of_magnitude_(length)
Vredefort Woodleigh Yarrabubba Topics Alvarez hypothesis Australite Breccia Coesite Complex crater Cretaceous–Paleogene boundary Cryptoexplosion Ejecta blanket
List of impact structures on Earth
List_of_impact_structures_on_Earth
Chemical compound
~200 °C under at least 10 kbar of pressure. The trigonal network undergoes a coesite-like transformation to monoclinic β-B2O3 at several gigapascals (9.5 GPa)
Boron_trioxide
Prehistoric asteroid impact in southeast Pacific Ocean
Vredefort Woodleigh Yarrabubba Topics Alvarez hypothesis Australite Breccia Coesite Complex crater Cretaceous–Paleogene boundary Cryptoexplosion Ejecta blanket
Eltanin_impact
mantle. Associated minerals or phases include osbornite (titanium nitride), coesite, kyanite and amorphous carbon. Warr, L.N. (2021). "IMA–CNMNC approved mineral
Qingsongite
Crystalline chemical element or compound formed by geologic processes
polymorphs, such as tridymite and cristobalite at high temperatures, and coesite at high pressures. Classifying minerals ranges from simple to difficult
Mineral
Mineral of the garnet group
almost 12 cm (5 in) in diameter; some of that pyrope has inclusions of coesite, and some has inclusions of enstatite and sapphirine. Pyrope is common
Pyrope
Impact craters in Saudi Arabia
and pellets. The impactite featured a form of shocked quartz known as "coesite", and is thus clearly the product of an impact event. The impact did not
Wabar_craters
Impact structure in Indiana, United States
presented fission track dating of apatite from this impact structure. Coesite and shatter cones are found in the uplift near its center. The impact structure
Kentland_crater
Sideways spreading in the Earth's crust
unusually fast elevation preserves rare metastable minerals, e.g. diamonds and coesite. Desert pavement, describing other forms of surface rock formation. The
Eduction_(geology)
Impact crater in Luna, Gujarat, India
the materials adhering to meteorite fragments revealed stishovite and coesite, the high-pressure polymorphs of silica, which confirms the impact origin
Luna_crater
Rock-forming minerals with predominantly silicate anions
573 °C (846 K; 1,063 °F) β-quartz – hexagonal, high-temperature quartz Coesite – monoclinic Cristobalite – tetragonal Melanophlogite – cubic or tetragonal
Silicate_mineral
Change of minerals in pre-existing rocks without melting into liquid magma
conditions and low temperature. The resulting minerals (such as SiO2 polymorphs coesite and stishovite) and textures are characteristic of these conditions. Dynamic
Metamorphism
Shock-wave related deformation and heating of rocks during collisions
Quartz may occur as either of its two high-pressure forms, coesite and stishovite. Coesite occasionally occurs associated with eclogites formed during
Shock_metamorphism
Covalent chemical bond between silicon and oxygen atoms
147° in α-cristobalite and (153±20)° in vitreous silica. It is 180° in coesite (another polymorph of SiO2), in Ph3Si–O–SiPh3, and in the [O3Si–O–SiO3]6−
Silicon–oxygen_bond
Great force distributed over a small area
called silica or silicon dioxide) will first adopt a denser form known as coesite, then upon application of even higher pressure, form stishovite. These
High_pressure
Rock created or modified by impact of a meteorite
impact. They include shatter cones and high-pressure minerals, for example coesite and stishovite. When a meteor strikes a planet's surface, the energy released
Impactite
Geological feature in bedrock resulting from extreme mechanical shock
post-cratering geological processes at the site.[citation needed] Breccia Coesite Lechatelierite Shocked quartz Stishovite French, B.M. (1998). Traces of
Shatter_cone
Oldest-surviving crustal material from the Hadean eon
(1 May 2003). "Extreme crustal oxygen isotope signatures preserved in coesite in diamond". Nature. 423 (6935): 68–70. Bibcode:2003Natur.423...68S. doi:10
Hadean_zircon
Ability of a solid material to exist in more than one form or crystal structure
Important ones include: α-quartz, β-quartz, tridymite, cristobalite, moganite, coesite, and stishovite. A classical example of polymorphism is the pair of minerals
Crystal_polymorphism
Silica mineral, polymorph of quartz
has original text related to this article: EB1911:Tridymite Cristobalite Coesite Stishovite Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical
Tridymite
Places on Earth used to mimic extraterrestrial locations
missions to the Moon. Moon Sandstone Mars Rocky ground Mars Dolomite, coesite and stishovite Mars Extremophile organisms (extreme temperatures) Surface
Terrestrial_analogue_site
Tetragonal form of silicon dioxide
has tetragonal crystal symmetry, P42/mnm, No. 136, Pearson symbol tP6. Coesite, another mineral form of silicon dioxide Thaumasite, another rare mineral
Stishovite
15-million-year-old asteroid impact in Germany
the process known as shock-wave metamorphism, quartz was converted into coesite or stishovite, and diaplectic glasses also formed. For kilometres around
Ries_impact
Cupropearceite Cpea Caledonite Cdo Ceruleite Cru Chlorophoenicite Cpo Coesite Coe Cupropolybasite Cplb Calkinsite-(Ce) Clk-Ce Cerussite Cer Chlorothionite
List_of_mineral_symbols
Scientific study of meteors, meteorites and meteoroids
are recorded by impact-breccias and high-pressure mineral phases (e.g. coesite, akimotoite, majorite, ringwoodite, stishovite, wadsleyite). Water bearing
Meteoritics
Chemical compounds with at least one silicon atom
minerals such as tridymite and cristobalite, as well as the much less common coesite and stishovite. Biologically generated forms are also known as kieselguhr
Silicon_compounds
Mountain building event in northern Europe
southwest coast of Norway. The present of eclogite containing the mineral coesite indicates high pressure and high-temperature burial of Baltican rocks,
Scandian_orogeny
Protected area in the Northern Territory, Australia
Vredefort Woodleigh Yarrabubba Topics Alvarez hypothesis Australite Breccia Coesite Complex crater Cretaceous–Paleogene boundary Cryptoexplosion Ejecta blanket
Henbury Meteorites Conservation Reserve
Henbury_Meteorites_Conservation_Reserve
Formation of mountains from converging tectonic plates
ultra-high pressure (UHP) metamorphic terranes, which contain metamorphic coesite and/or diamond plus or minus unusual silicon-rich garnets and/or potassium-bearing
Continental_collision
Strewnfield containing most of Australasia
List of possible impact structures on Earth Glass, B.P. and Wu, J., 1993. Coesite and shocked quartz discovered in the, Australasian and North American,
Australasian_strewnfield
Atomic-scale non-crystalline structure of liquids and glasses
cristobalite, and others (including the high pressure polymorphs stishovite and coesite). Nearly all of them involve tetrahedral SiO4 units linked together by
Structure of liquids and glasses
Structure_of_liquids_and_glasses
Large early layered igneous intrusion
metamorphic history of the Vredefort dome at approximately 2 Ga as revealed by coesite-stishovite-bearing pseudotachylites". Journal of Metamorphic Geology. 10
Bushveld_Igneous_Complex
Island group near New Guinea
and >700˚C. Specifically, these islands play host to the youngest known coesite-eclogite sample; CA-TIMS dating of zircons within this sample dates its
D'Entrecasteaux_Islands
Various natural processes that alter a mineral's chemical composition or crystallography
ordinary silica or quartz crystals may alter to the minerals stishovite and coesite as a result of meteorite impacts producing an extreme pressure and high
Mineral_alteration
Rio de Janeiro: Geol. Surv. Braz, p. 6429 Toms Canyon Glass B.P. (1987). Coesite associated with North American tektite debris in DSDP site 612 on the continental
List of possible impact structures on Earth
List_of_possible_impact_structures_on_Earth
Glassy or very fine-grained type of rock
<1 mm) glassy veins that contain high-pressure mineral polymorphs like coesite and stishovite. These shock veins are thought to form via frictional and
Pseudotachylyte
Soviet and Russian mineralogist and geologist (1935–2022)
approaches, and (ii) documentation and interpretation of microdiamonds and coesite-bearing mineral inclusions in metamorphic rocks of the Kokchetav Massif
Nikolay_Sobolev
Pakistani geologist
O'Brien, P. J.; Zotov, N.; Law, R.; Khan, M. A.; Jan, M. Q. (1 May 2001). "Coesite in Himalayan eclogite and implications for models of India-Asia collision"
M._Qasim_Jan
Member of the clinopyroxene group of silicate minerals
of eclogite include omphacite, garnet and high-pressure silica phases (coesite and stishovite). As depth increases, the omphacite in eclogite gradually
Omphacite
Geomorphological process
pressure of about 35.00 bar (508 psi) can be estimated by the presence of coesite relicts, the rare high-pressure polymorph of quartz. This lightning-induced
Electromechanical disintegration
Electromechanical_disintegration
Impact crater in Chile
about 15 m (49 ft). The impact has produced rocks such as impact glass, coesite and shocked quartz; some rocks were completely melted during the impact
Monturaqui
Impact crater lake in Finland
such as breccia and suevite, as well as impact diamonds and minerals like coesite, have been discovered in Lappajärvi. The shattered bedrock resulting from
Lake_Lappajärvi
Parallel linear rock units
eclogite facies. Common minerals include: lawsonite, garnet, glaucophane, coesite, pumpellyite, hematite. Such mineral assemblages indicate temperatures
Paired_metamorphic_belts
Dense silica mineral
seconds, and an impactor greater than approximately 50 meters in size. Coesite Moganite Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical
Seifertite
Precambrian continental block located in China
Mianulue suture zone) Ultrahigh-pressure rocks in Mianlue suture zone like coesite- and diamond-bearing eclogites were formed. Collision-related granites
South_China_Craton
(1993). "Collision of the North China and Yangtse Blocks and formation of coesite-bearing eclogites: Timing and processes". Chemical Geology. 109 (1–4):
Stanley_Robert_Hart
Geologic formation of Permian age in the southwestern United States
consistent with an eolian origin Lechatelierite (silica glass), as well as coesite and stishovite (high pressure forms of SiO2) were formed during the impact
Coconino_Sandstone
Ca(Mg,Al)3(Al3Si)O10(OH)2 – American statesman De Witt Clinton (1769–1828) Coesite (form of SiO2): – American chemist Loring Coes, Jr. (1915–1978) Coffinite:
List of minerals named after people
List_of_minerals_named_after_people
American mineralogist
and predicted several arrangements. He also examined the structure of coesite by artificially producing it. It is now used to identify meteorite impacts
Lewis_Stephen_Ramsdell
Tectonic process in which eclogite is formed
Musgrave Block of the Petermann Orogeny, central Australia. Recently, coesite- and glaucophane-bearing eclogites have been found in the northwestern
Eclogitization
Asteroid impact structure in France
E.C., Shoemaker E.M., Madsen B.M. (1960). "First Natural Occurrence of Coesite". Science. 132–3421 (3421): 220–222. Bibcode:1960Sci...132..220C. doi:10
Rochechouart_impact_structure
diiron(III) dialuminium diuranyl dihydro tetraphosphate sulfate icosahydrate) Coesite (IMA1962 s.p., 1954) 4.DA.35 [866] [867] [868] (IUPAC: dioxysilicate) Coffinite
List of minerals recognized by the International Mineralogical Association (C)
List_of_minerals_recognized_by_the_International_Mineralogical_Association_(C)
Graphical representation of the pressure-temperature history of a metamorphic rock
F.; Morana, M. (2020). "Fossil subduction recorded by quartz from the coesite stability field". Geology. 48: 24–28. doi:10.1130/g46617.1. hdl:2158/1284757
Pressure-temperature-time path
Pressure-temperature-time_path
Mountain range in Victoria Land, Antarctica
1007/s12303-018-0055-7 Ghiribelli, Barbara; Frezzotti, Maria-Luce; Palmeri, Rosaria, Coesite in eclogites of the Lanterman Range (Antarctica): Evidence from textural
Lanterman_Range
American geologist (1924–2020)
Rubin was also close friends with Edward C. T. Chao, who is known for coesite, stishovite, and tektites, as they were both at one time in the USGS Branch
Meyer_Rubin
COESITE
COESITE
COESITE
COESITE
Male
Arthurian
, knight of the Round Table.
Boy/Male
Anglo, Australian
From London
Boy/Male
Muslim
Modesty, Decency
Boy/Male
Tamil
Auspicious
Girl/Female
Welsh
Legendary daughter of Uryen.
Biblical
disquiet
Girl/Female
Gujarati, Indian, Malayalam, Marathi, Traditional
Master; Furnished; Knowledge
Male
Iranian/Persian
(سهراب) Persian name SOHRAB means "bright, shining."
Surname or Lastname
English (Somerset) and German (also Hücker)
English (Somerset) and German (also Hücker) : occupational name for a peddler or other tradesman, Middle English hucker, hukker (an agent derivative of hukken ‘to hawk or trade’), Middle High German hucker.
Girl/Female
Arabic, Gujarati, Hindu, Indian, Marathi, Modern, Sanskrit
Bird; Strength; Desired; Sun Rays; Fearless
COESITE
COESITE
COESITE
COESITE
COESITE