Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Perovskite from
Monastery Mine, Clocolan, Setsoto Local Municipality, Thabo Mofutsanyane District Municipality, Free State, South Africa


Locality type:Mine
Classification
Species:Perovskite
Formula:CaTiO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Perovskite data
Locality Data:Click here to view Monastery Mine, Clocolan, Setsoto Local Municipality, Thabo Mofutsanyane District Municipality, Free State, South Africa
Data Identifiers
Mindat Occurrence Record ID:570947
Long-form Identifier:1:3:570947:2
GUID (UUID V4):56129015-98aa-4bc7-96ef-6258024d9ad7
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
com/locate/epsl LAM-ICPMS Uā€“Pb dating of kimberlitic perovskite: Eoceneā€“Oligocene kimberlites from the Kundelungu...out in situ LAM-ICPMS Uā€“Pb dating of groundmass perovskite in two kimberlitic pipes (Kambeli and Msipashi)...analysis of perovskites from four previously dated South African Group I kimberlites. Intercepts of regression... The ages of Group I kimberlites in Kimberley District cluster around 87 Ma, similar to those determined...reserved. Keywords: Uā€“Pb geochronology; LAM-ICPMS; perovskite; Kundelungu kimberlites; East African Rift; Kaapvaal
Journal (article/letter/editorial)
Accepted Manuscript New constraints on archetypal South African kimberlite petrogenesis from quenched glass-rich...Steffen H. BĆ¼ttner , New constraints on archetypal South African kimberlite petrogenesis from quenched glass-rich... ACCEPTED MANUSCRIPT New constraints on archetypal South African kimberlite petrogenesis from quenched glass-rich...Rondebosch 7701, South SC 1 RI Geoffrey H. Howarth1,2,* and Steffen H. BĆ¼ttner3 Africa Department of...Geology, Rhodes University, Grahamstown 6040, South Africa NU 2 AC CE PT E D MA *Corresponding
Journal (article/letter/editorial)
abrasion of zircon and ilmenite megacrysts in the Monastery kimberlite: Implications for the composition of...ilmenite and zircon megacrysts from the Monastery kimberlite (South Africa) represent a textbook example of...sodiumā€“zirconium silicates) and Ti (Tiā€“Fe oxides, perovskite, sphene, kassite), are present around zircon...exploration. The ā€œclassicā€ megacryst suite in the Monastery kimberlite, renowned for the size of its crystals...more abundant in the Group I Monastery kimberlite pipe in South Africa than in any other studied kimberlite
Book
relevant protective laws and regulations and therefore free for general use. 2132/3130-543210 To my wife,...collaboration. Much of my fieldwork in southern Africa has been carried out with the cooperation and assistance...7.3 2.8 2.9 Africa . . . . . . . . . . . . . . . . . . . . . . . . . . . . West Africa . . . . . . .... . . . . Central Africa. . . . . . . . . . . . . . . . . . . . . . . East Africa. . . . . . . . . .... . . . . . . . . . . . . . . . Southern Africa . . . . . . . . . . . . . . . . . . . . . U.S.S.R. .
Journal (article/letter/editorial)
University of the Witwatersrand, Johannesburg 2001 (South Africa) (Received April 5, 1982; revised and accepted...content (notably perovskite) and whole-rock kimberlite samples. U/Pb ratios in perovskite in the matrix...Virtually all kimberlites contain fine-grained perovskite as a groundmass mineral. Its occurrence is either...fission-track studies showing that especially secondary perovskite can be highly enriched in V, while other groundmass...matrix mineralogy and the distribution of matrix perovskite can be extremely variable. Where this is so,
Book
............................ 126 5.3.3.2. West Africa ........................................... 126...11. 6.12. 6.13. 6.14. 6.15. 6.6.3 .1. Diverse South African Kimberlites (Dawson and Smith 1975, Smith... . . . . . . . . . . . . . . . . . . . . . . Perovskite . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . 6.17.2. Mantles on Perovskite ......................................... 6.17...7.2. 2. Compositional Variation of Contamination-Free Kimberlites .......... 7.2 .2 .I. Intra-kimberlite
Journal (article/letter/editorial)
are larger, have reaction rims of leucoxene and perovskite, exhibit strong magnesium enrichment outward...(6) inclusions in and intergrowths with matrix perovskite and titanomagnetite (Plates 1, 2); and (7) highly...isolated grains (type 1) and small inclusions in perovskite (type 6). There are some ilmenite occurrences...their often thick (100+gm) reaction mantles of perovskite (blocky or massive), titanomagnetite (commonly...Inclusion-mantle textures of ilmenite in groundmass perovskite and/or titanomagnetite (/]6, Plates 1 a, c-e)
Book
calcite, clay minerals and fragments of crustal and local host country-rock. At Lattavaram the kimberlite...and ilmenite. Minor phases such as sphene and perovskite have also been observed. Chemical analyses of...Akimoto and Masaki Akaogi (Institute for Solid State Physics, University of Tokyo, Roppongi 7-22-1, Minato-ku...Iherzolite nodules in kimberlites(from Lesotho and South Africa) and were analysed for isotopic compositions...University of the Witwatersrand, Johannesburg, 2001, South Africa) Radiometric age determinations were undertaken
Journal (article/letter/editorial)
et al. [44];ettheir 2. Polymineralic diamondmine, mine, Slave craton, Canada (modified after Bussweiler...Gurney et al., 1979 [32] Monastery kimberlite, Kaapvaal craton, South Africa ol Ti-rich phl, ol, spl...and BĆ¼ttner, 2019 [45] Monastery kimberlite, Kaapvaal craton, South Africa ol cc, phl, spl (low Al...ilmenite, mgt = magnetite, ol = olivine; prv = perovskite, phl = phlogopite, spl = spinel, srp = serpentine...within olivine megacrysts from the Monastery kimberlite, South Africa, favored an ā€œentrapped liquid hypothesisā€
Journal (article/letter/editorial)
groundmassilmenite, spinel solid solutions, and perovskite. The discrete ilmenite noduleshavemarginsthat...light REE relative to heavy REE. The enrichmentof perovskite in REE may be related to partitioning of the...a groundmlss ssnfaining calcite, serpentine, perovskite, and phlogopite. Nixon and Boyd (1973)describedtwo...Colby (1971) was used for data reduction of the perovskite analyses. The program corrects for interferencesbetween...feasible technique for determination of REE in perovskite from kimberlite becauseof the difficulty of separatingpqre
Journal (article/letter/editorial)
(Canada), Alto Paranaiba (Brazil) and Kaalvallei (South Africa) Emilie Lim 1 & Andrea Giuliani 1,2 & David... Tres Ranchos-04), and the Kaapvaal craton, South Africa (Kaalvallei: Samada, New Robinson). Olivine...Samada and New Robinson (Kaalvallei cluster), South Africa (Fig. 1). This is the first detailed study of...cluster, which intruded into the Kaapvaal craton, South Africa. The Samada sample (173/44/ K8/7) is from the...Ocean Limpeza, Tres Ranchos South Africa (47Ā°W, 19Ā°S ) Samada, New Robinson South (27Ā°E, 28Ā°S) Atlantic Ocean
Journal (article/letter/editorial)
Koptyuga 3, Novosibirsk, 630090 Russia b Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090...2001; McCammon, 1997; Wilding et al., 1991), West Africa (Joswig et al., 1999; Stachel et al., 2002; Stachel...craton, South Africa (Deines et al., 1991; McDade and Harris, 1999; Moore and Gurney, 1985), South Australia...whereas inclusions of ferropericlase and MgSiO3 perovskite are of a lower mantle origin. This led Hutchison...Majoritic garnets were found in association with CaSi-perovskite, SiO2 and Al2SiO5, Na-clinopyroxene, and a phase
Journal (article/letter/editorial)
to fully constrain the compositional and thermal state of the transition zone and the lower mantle. Important...composition and the crystallographic and thermal state of the deeper parts of the Earthā€™s mantle. Diamond...majoritic garnet inclusions in diamonds from the Monastery mine. The possibility of some diamonds even being...tetragonal almandine pyrope phase at the Brazilian mine Sao Luiz (Harte & Harris, 1994; Harte et al., 1999)...550-600 km, majorite garnet starts to exsolve CaSi-perovskite (Irifune & Ringwood, 1987; Wood, 2000) which
Journal (article/letter/editorial)
inclusions. Majoritic garnets associated with Mg perovskite in shocked L chondrites (n = 4) yield uniform...Jagersfontein (22.3 Ā± 0.8 GPa and 16.9 Ā± 1 GPa), Monastery (15.7 Ā± 7 GPa) and Kankan (15.5 Ā± 0.2 GPa) show...parageneses except those that include Ca silicate perovskite. The derived pressures conļ¬rm the sub-lithospheric...samples was as inclusions in diamond from the Monastery Mine kimberlite pipe by Moore and Gurney (1985,...post-garnet phase transformations into Ca- and Mg-perovskite and ilmenite, and the 5942 K.D. Collerson
Journal (article/letter/editorial)
SCIENCES, DURHAM UNIVERSITY, SOUTH ROAD, DURHAM DH1 3LE, UK 2 ARIZONA STATE UNIVERSITY, CHEMISTRY AND BIOLOGY...CENTRE, PO BOX 82232, SOUTHDALE GAUTENG 2135, SOUTH AFRICA 5 NERC ISOTOPE GEOSCIENCES LABORATORY, KINGSLEY...PUBLICATION JULY 1, 2004 Kimberlites from Southern Africa, along with their low-Cr megacrysts, have unusual...systematics of ultra-deep phases such as majorite and perovskite (Fig. 1) compared with shallower phases could..., 1995). The samples studied are from Southern Africa, belonging to the isotopic Groups I and II of Smith
Journal (article/letter/editorial)
lithosphere. Keywords: diamond inclusion, majorite, perovskite, phase transition, Important observations over...al. (1984) on kimberlite dikes near Orrorroo in South Australia. These authors noted that if ferropericlase...from this occurrence and the Koffiefontein Mine in South Africa were indeed syngenetic, then, because of...glossary p. 70) in diamonds from the Monastery mine, South Africa (Moore and Gurney 1985), which indicated...GPa ZONE 600 RINGWOODITE PHASE TRANSITION 700 PEROVSKITE + FERROPERICLASE 24 100 Opx Lithosphere
Journal (article/letter/editorial)
Layered Kimberlite-Carbonate Sill from Benfontein, South Africa Nabil Z. Boctor and F.R. Boyd Geophysical Laboratory...USA Abstract. The lower sill at Benfontein, South Africa, shows a high degree of magmatic sedimentation...titanomagnetite, magnesian ilmenite, rutile, and perovskite. The spinel crystallization trend was toward...enrichment observed in ilmenites from carbonatites. Perovskite in silicate-rich and carbonate-rich layers shows...lacks the remarkable Nb enrichment observed in perovskite from earbonatites. These new data oh the iron-titanium
Journal (article/letter/editorial)
GeoScience Centre, P.O. Box 82232, Southdale 2135, South Africa Received 27 June 2003; accepted 17 February...Lower mantle sources, assessed based on CaSi ā€“ perovskite as the principal host for REE, are not primitive...asthenosphere and transition zone were obtained for Monastery (Moore et al., 1991), Juina-SaĢƒo Luiz (Wilding...garnet and clinopyroxene inclusions from Venetia (South Africa) Sample V-64a V-87b V-95 V-112a V-149 Mineral...al., 1994), thereby explaining the absence of a free SiO2 phase. Based on REE analyses of garnet and
Journal (article/letter/editorial)
Superdeep diamonds from the Juina area, Mato Grosso State, Brazil Received: 29 May 2000 / Accepted: 30 October...major-element composition of olivine, and SiO2. CaSi-perovskite inclusions coexist with titanite (sphene), ``olivine''...``olivine'' and native Ni. MgSi-perovskite coexists with TAPP (tetragonal almandine-pyrope phase). Majoritic...(d13C=Ā±11.4&). There are high proportions of nitrogen-free and low-nitrogen diamonds, and the aggregated B...million carats of diamonds each year according to local sources of information. Many of the diamonds recovered
Journal (article/letter/editorial)
1984; Moore et al. 1986; Rickard et al. 1989), Monastery (Moore and Gurney 1989), Sloan (Otter and Gurney...Mg2SiO4spinel breaks down to periclase + MgSiO3-perovskite at pressures greater than about 270 kbar at 1000...Harris (1994) discovered CaSiO3 (assumed to have a perovskite-type structure) and a new garnet-like inclusion...because the dehydrated phase assemblage contains free H2O, which is very compressible so that the volume...in these diamonds originally existed as MgSiO3-perovskite in the lower mantle, but underwent a retrogressive
Journal (article/letter/editorial)
Kimberlite-hosted diamond deposits of southern Africa: A review Matthew Field a,āŽ, Johann Stiefenhofer...Southdale, 2135, South Africa c De Beers Group Services, PO Box 47, Kimberley, South Africa d De Beers Canada...discovery of diamonds in river deposits in central South Africa in the mid nineteenth century, it was at Kimberley...economic and industrial development of southern Africa. Following the discoveries at Kimberley, even more...more valuable deposits were discovered in South Africa and Botswana in particular, but also in Lesotho
Book (volume)
ANDWILLIAMSON MINE, TANZANIA H.-M. Tsai, O. A. Meyer, 0. Moreau, and H. Judith Milledge REGIONAL AND LOCAL VARIATIONS...KIFYBERLiTES IN THE COLORADO-WYCā€¢ING STATE mINE DISTRICT 42 M. E. McCal!um, C. D. Mabarak, and H... K. J. Stracke, 59 OF KIMBEHLITES H.-M. IN SOUTH-EASteRN AUSTRALIA 71 J. Ferguson, anā€¢ L. P. Black...CARBONATITEERUPTIVES AT SALTPETRE 111 KOP, SUā€¢}tERLAND, SOU'iH AFRICA J. R. ā€¢cIver and J. Ferguson Mā€¢NERALOGY AND PETROLOGY...MINERAL CHEMISTRY OF A KIMBERLITE FROM THE PRā€¢Iā€¢IER MINE: Iā€¢iPLICATIONS FOR THE EVOLUTION OF KiFmEHLITIC
Journal (article/letter/editorial)
Academy of Sciences, Irkutsk, Russia c Irkutsk State University, Geology Department, Irkutsk, Russia...ā€œdiļ¬€useā€ distribution types with one distinctive local area on MgOCr2O3 plot (Figure Supplementary Fig...titaniferousmagnetite which are occasionally zoned to Ti-free magnetite occur in the interstitial space between..., 1997), Jagersfontein (South Africa ā€“ Jonston, 1973), Premier (South Africa ā€“ Danchin, 1979), Letlhakane...signiļ¬cantly lower modal abundance of ilmenite and perovskite. An important feature of ilmenite compositional
Journal (article/letter/editorial)
Printed in The Netherlands Note on the U-Pb perovskite method for dating kimberlites: Examples from...from the Wesselton and De Beers mines, South Africa, and Somerset Island, Canada C.B. SMITHā€™, ā€˜Bernard H...American Research Laboratories, Crown Mines 2025 (South Africa) 3Department of Geology, University of Zimbabwe...0001 (South Africa) ā€˜Anglo American Corporation, Johannesburg 2000 (South Africa) 2050 (South Africa)...S. and Clement, C.R., 1989. Note on the U-Pb perovskite method for dating kimberlites: Examples from
Journal (article/letter/editorial)
Mg2SiO4-spinel breaks down to periclase + MgSiO3-perovskite at pressures greater than about 27 GPa at 1...(1989). Thus, ferropericlase and (Mg,Fe)SiO3-perovskite can only possibly coexist in the P, T conditions...should be composed of >70 wt% of (Mg,Fe)SiO3-perovskite and 20 wt% of ferropericlase (Liu 1979; Irifune...(Mg,Fe)SiO3-perovskite (Liu 1982). Thus, there is little doubt that (Mg,Fe)SiO3-perovskite is the most...inclusion might represent former (Mg,Fe)SiO3-perovskite and might have coexisted with the ferropericlase
 
and/or  
Mindat Discussions Facebook Logo Instagram Logo Discord Logo
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are Ā© OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: May 2, 2024 20:36:12
Go to top of page