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

Hollandite from
Virulundo, Virei, Namibe Province, Angola


Locality type:Volcanic Plug
Classification
Species:Hollandite
Formula:Ba(Mn64+Mn23+)O16
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hollandite data
Locality Data:Click here to view Virulundo, Virei, Namibe Province, Angola
Data Identifiers
Mindat Occurrence Record ID:487140
Long-form Identifier:1:3:487140:8
GUID (UUID V4):aa501bc1-6a04-4ede-8353-4a178e64a81b
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
and rare earth minerals from the Virulundo carbonatite, Namibe, Angola L. TORRÓ1, C. VILLANOVA1, M. CASTILLO1...Agostinho Neto, Av. 4 de Fevereiro 7, 815 Luanda, Angola [Received 27 January 2011; Accepted 7 July 2011;...Editor: Hilary Downes] ABSTRACT The Virulundo carbonatite in Angola is one of the largest in the world...have produced late-stage carbonates, goethite, hollandite and rare earth element (REE) minerals (mainly...WORDS : Angola, carbonatite, pyrochlore, REE, magmatic, hydrothermal, weathering, Virulundo. Introduction
Journal (article/letter/editorial)
species in plutonic carbonatites: The Tchivira case, Angola Joan C. Melgarejo a, Alessandra Costanzo b,⁎, Aurora...Geologia, Universidade Agostinho Neto, Luanda, Angola a r t i c l e i n f o Article history: Received...Tchivira carbonatite, located 400 km south of Luanda (Angola), is a good example of a carbonatite body produced...Geological setting Most of the carbonatite complexes in Angola are found in the Lucapa structure (deVries Lapido-Loureiro...1200 km set of faults oriented NE–SW that cut the Angola–Congo craton (Issa Filho et al., 1991). Different
Journal (article/letter/editorial)
20 0.76 1.07 0.05 −0.45 −0.01 99.59 Graciosa Province in Brazil (Vlach and Gualda, 2007). Generally...with synchysite-(Ce), cerite-(Ce), goethite, hollandite, and barite precipitated during late-stage supergene...supergene alteration processes in Virulundo carbonatite, Angola (Torró et al., 2012). The above-mentioned...and rare earth minerals from the Virulundo carbonatite, Namibe, Angola. Mineralogical Magazine 76, 393–409...granites from the Morro Redondo Complex, Graciosa Province, Southern Brazil: occurrence and compositional
Journal (article/letter/editorial)
low-temperature phase in the Virulando carbonatite (Angola) where it formed during late-stage supergene alteration...associated with synchysite, cerite, goethite, hollandite, and baryte (Torró et al. 2012). In all, britholite...to mine: the key example of the Kola Alkaline Province, Mineralogical Society (U.K.) Series, 10, 247–291...and rare earth minerals from the Virulundo carbonatite, Namibe, Angola. Mineralogical Magazine, 76, 393–409...to mine: the key example of the Kola Alkaline Province, 503 p. The Mineralogical Society of Great Britain
Journal (article/letter/editorial)
(see below), and carbonatites in the East Sayan province, especially the Nizhnesayanskii and Bolshyetaginskoye...(Kogarko et al., 1995). Although the Kola Alkaline Province contains many carbonatites which have Nbpotential...Brazil CatalĂŁo-I AraxĂĄ Other Fen, Norway Bonga, Angola Mbeya, Tanzania 0.41 0.45 0.56 0.66 0.12 0.16...al., 2006); Virulundo, Anglo (TorrĂł et al., 2012); Tchivira, Bonga, and Catanda, Angola (Bambi et al...melilitite lavas of the Alto ParanaĂ­ba igneous province (Cordeiro et al., 2011; Gibson et al., 1995)
Journal (article/letter/editorial)
bastnĂ€site; metasomatism; Vuoriyarvi; Kola alkaline province 1. Introduction Rare-earth elements (REEs) are...earth carbonatites (RETherefore, carbonatites) in Angola [5,6], Australia for more 50% of the global resources...subjectNamibia of rare earth carbonatites (RE carbonatites) Angola [5,6], Australia [7–9], Brazil Mongolia [52,53]...alkaline complexes of the Devonian Kola Alkaline Province [84]. The geological structure of this The Vuoriyarvi...alkaline complexes of the Devonian Kola Alkaline Province [84]. The geological structure of this geochemically
Journal (article/letter/editorial)
Nb-rich rutile and brookitei (monazite, barite, hollandite) 2897.9 Mt at 2.81% Nb2O5 Crown deposit, Mount...also apply to the Mianning–Dechang carbonatite province in China (Hou et al., 2006; Wang et al., 2001;...Kola Alkaline Province in the context of a Scandinavian North Atlantic Alkaline Province. In: Wall, F...to Mine: the Key Example of the Kola Alkaline Province. Mineral. Soc., London, pp. 1–43. Bush, V.A.,...to Mine: the Key Example of the Kola Alkaline Province. Mineral. Soc., London, pp. 293–340. Chakhmouradian
Journal (volume)
February 1987 in Luc Yen (a small city in Yen Bai province, N- Vietnam), this country is an important source...from Burma. On the way from the capital of the province, which is also named Yen Bai, to Luc Yen, a new...and rose quartz from the Borborema Pegmatitic Province (Brazil) irradiated with high gamma doses Barreto...granitic pegmatities located in Borborema Pegmatite Province (BPP, Brazil), it is common to find areas of rose...– about 150,000 km2. The Timan zeolite-bearing province dominated by analcime was discovered in the second
 
Mineral and/or Locality  
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 © 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: April 24, 2024 20:12:58
Go to top of page