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| Pereira, Lucas, Birtel, Sandra, Möckel, Robert, Michaux, Bruno, Silva, Andre C., Gutzmer, Jens (2019) Constraining the Economic Potential of By-Product Recovery by Using a Geometallurgical Approach: The Example of Rare Earth Element Recovery at Catalão I, Brazil. Economic Geology, 114 (8) 1555-1568 doi:10.5382/econgeo.4637 | Journal (article/letter/editorial) | | Example of Rare Earth Element Recovery at Catalão I, Brazil
Lucas Pereira,1,† Sandra Birtel,1 Robert Möckel...University of Goiás, Mine Engineering Department, Capes Scholarship POS-DOC-88881.119296/2016–01, Catalão, Brazil...at the Chapadão mine in the Catalão I carbonatite complex is used. Catalão I is part of the Alto
Paranaíba...in the Goias Province of Brazil. Currently, niobium is produced in the complex as
a by-product of the Chapadão...be recovered as by-products, inter alia from
carbonatite, pegmatite, or hydrothermal uranium deposits | 👁 Image
| Gomes, Celso de Barros, Comin-Chiaramonti, Piero, Azzone, Rogério Guitarrari, Ruberti, Excelso, Rojas, Gaston Eduardo Enrich (2018) Cretaceous carbonatites of the southeastern Brazilian Platform: a review. Brazilian Journal of Geology, 48 (2) 317-345 doi:10.1590/2317-4889201820170123 | Journal (article/letter/editorial) | | Pb isotopic ratios yield evidence that HIMU and EM I mantle components
played an important role in the...and Comin-Chiaramonti (2017),
a total of 30 carbonatite occurrences have been described,
most of them...described: the lava flows of
Santo Antônio da Barra, in Goiás (Gaspar & Danni 1981,
Moraes 1988), and those of...Universidade de São Paulo – USP, São Paulo (SP), Brazil. E-mails: cgomes@usp.br, rgazzone@usp.br, exrubert@usp...General information on the carbonatite occurrences of different regions of Brazil, Paraguay and Bolivia. | 👁 Image
| Decrée, Sophie, Boulvais, Philippe, Tack, Luc, André, Luc, Baele, Jean-Marc (2016) Fluorapatite in carbonatite-related phosphate deposits: the case of the Matongo carbonatite (Burundi) Mineralium Deposita, 51 (4) 453-466 doi:10.1007/s00126-015-0620-1 | Journal (article/letter/editorial) | | Fluorapatite in carbonatite-related phosphate deposits: the case
of the Matongo carbonatite (Burundi)
Sophie...Matongo carbonatite intrusive body in the
Neoproterozoic Upper Ruvubu alkaline plutonic complex
(URAPC)...by-products of phosphates.
Keywords Fluorapatite . Carbonatite-related ore deposits .
Matongo . Neoproterozoic...carbonatites. It
has been mined in South Africa, Zimbabwe, Brazil, Finland, and
Sri Lanka (Pell 1996), mainly to...(Verwoed
1986; van Straaten 2002). Phosphates of carbonatite complexes
are present either as primary apatite | 👁 Image
| | Journal (article/letter/editorial) | | insights on the molybdenum-copper Bled M’Dena complex
(Eglab massif, Algeria)—Karima Lagraa, Stefano...deposit (Tapajos Gold
Province, Amazonian craton - Brazil): Implications for timing,
regional evolution and...differentiation processes of the Catalão I
carbonatite complex in Brazil: New Sr-Nd and C-O isotopic data...sulfide mineral assemblages in the Stillwater
Complex, Montana, USA—Hannah M. Aird, Katherine M. Ferguson...Geochronological and geochemical characteristics of fractionated
I-type granites associated with the skarn mineralization | 👁 Image
| | Journal (issue) | | François SOUBIÈS, Moussa BOUNAKHLA
REE minerals in Catalão II, Goias, Brasil ...............................– Intruded into
volcanites (sills, stocks and complex networks). 3 – Subvolcanic intrusions (sills, dikes...at this domain, the magmatic rocks occur as a complex – multistage intrusions, characterized
by a porphyritic...felsitic or
micrograined groundmass; frequent apatite, zircon, magnetite, ilmenite and, occasionally garnet,...7792, Bucharest
Cioflica Gr., Jude R., Berbeleac I., Lupulescu M., Costea D., Costea A., 1999. Epithermal | 👁 Image
| | Journal (article/letter/editorial) | | smallest and youngest parts of a carbonatite-alkaline
rock complex that formed during fractional crystallization...concentrations, and the aluminosity of the melt. Carbonatite-alkaline rock complexes commonly possess a concentric...sedimentary (Fig. 1). Igneous ores are typically carbonatite, which
is an igneous rock with over 50 vol %...2015 (Mt)
Reserves (Mt)
Igneous phosphorites
Brazil
Russia
South Africa
6.04
11.00
2.16
6.70
12.50...phosphate rock is the
Devonian Khibina Alkaline Complex in Russia’s Kola Peninsula
(Fig. 2), with seven | 👁 Image
| El Bamiki, Radouan, Raji, Otmane, Ouabid, Muhammad, Elghali, Abdellatif, Khadiri Yazami, Oussama, Bodinier, Jean-Louis (2021) Phosphate Rocks: A Review of Sedimentary and Igneous Occurrences in Morocco. Minerals, 11 (10) 1137 doi:10.3390/min11101137 | Journal (article/letter/editorial) | | genesis of high-grade
phosphate rocks results from complex concentration mechanisms involving several (bio)geochemical...specific paleo-environmental conditions, and involve complex biogeochemical processes
during early diagenesis...sedimentary phosphates, Morocco hosts several carbonatite
and carbonatite–alkaline complexes that could be associated...phosphates are the result of interaction between
complex biogeochemical processes that occur under particular...(Figure 2):
(i) Pristine phosphate, corresponding to the authigenic facies as deposited originally
(i) Pristine | 👁 Image
| | Book | | . . . . . . . . . . . . . . Rob J. Bowell and M. I. Leybourne 9 The Role of Regolith Formation and...Deposits . . . . . . . . . . . Rob J. Bowell and M. I. Leybourne 71 Supergene Non-Sulfide Base Metal Deposits...M. Butt, W. S. Salama, and C. G. Porto 147 Carbonatite Hosted Residual REE Deposits . . . . . . . ....Regolith Hosted Niobium Deposits in Carbonatite Complexes in Brazil . . . . . . . . . . . . . . . . . ...protore Felsic to mafic igneous and sedimentary Carbonatite; alkaline intrusives <10 <10 Lateritic residuum | 👁 Image
| | Journal (article/letter/editorial) | | from kimberlite (Iron Hill, Wyoming, USA) and
carbonatite (Prairie Lake, Ontario, Canada) showed that the...measured for
the Prairie Lake material, are [dobs in Å (I) hkl]: ~3.29 (100)
022; 112, 112; 1.764 (61) 134;...Other confirmed occurrences
of kassite include a complex Ti-oxide-titanite paragenesis
of possible mantle...andradite
Description and mineral association
Carbonatite associated with feldspathoidal rocks
(Kas)
Serpentine...pegmatite” in an ultramafic-carbonatite
intrusion (Kas + Cft)
Carbonatite emplaced as a diatreme into | 👁 Image
| | Report (issue) | | PLURINATIONAL
STATE OF
BOSNIA AND HERZEGOVINA
BOTSWANA
BRAZIL
BRUNEI DARUSSALAM
BULGARIA
BURKINA FASO
BURUNDI............. 72
Polymetallic iron oxide breccia complex deposits ........................................major types of uranium deposits were recognized [6]:
(i) Deposits originating from ‘warm fluids’ with three...deposit, of which six had economic significance:
(i) Oligomictic quartz-pebble conglomerate;
(ii) Sandstone...Sandstone;
Quartz-pebble conglomerate;
Veins;
Breccia complex;
Intrusive;
Phosphorite;
Collapse breccia pipe; | 👁 Image
| | Report (issue) | | United States in 2013. The orebody is a tabular carbonatite intrusion and is thought to be the largest REE....O6
Rare-Earth-Element-Mineral Formation in Carbonatite Magmas.....................................O7...The REE-bearing minerals are diverse and often complex
in composition. At least 245 individual REE-bearing...recent years, REEs have been produced
from large carbonatite bodies mined at the Mountain Pass
deposit in...led by, in decreasing order of reserves, China, Brazil,
Australia, and India (Gambogi, 2015).
Australia | 👁 Image
| Broom-Fendley, Sam, Smith, Martin P, Andrade, Marcelo B, Ray, Santanu, Banks, David A, Loye, Edward, Atencio, Daniel, Pickles, Jonathan R, Wall, Frances (2020) Sulfur-bearing monazite-(Ce) from the Eureka carbonatite, Namibia: oxidation state, substitution mechanism, and formation conditions. Mineralogical Magazine, 84 (1) 35-48 doi:10.1180/mgm.2019.79 | Journal (article/letter/editorial) | | Sulfur-bearing monazite-(Ce) from the Eureka carbonatite, Namibia:
oxidation state, substitution mechanism...Paulo, PO Box 369, 13560-970,
São Carlos, SP, Brazil
4
School of Earth and Environment, University...Paulo, Rua do Lago 562, 05508-080 São Paulo, SP, Brazil
Running title: “Sulfur-bearing Monazite-(Ce) from...
Sulfur-bearing monazite-(Ce)
Redox
Carbonatite
Silcrete
Calcrete
Weathering
Abstract...Sulfur-bearing monazite-(Ce) occurs in silicified carbonatite at Eureka, Namibia,
forming rims up to ~0.5 mm | 👁 Image
| | Report (issue) | | LCC TN23 .C67 2017 | DDC 333.8/50973--dc23 | SUDOC I
19.16:1802
LC record available at https://lccn.loc...rare-earth elements, and antimony in China; niobium in Brazil; and platinum-group elements
in South Africa and...Schulte..................................H1
Chapter I. Germanium and Indium
By W.C. Pat Shanks III, Bryn...solubility of fluorite as a function of temperature for
complex Na-Ca-Mg-Cl brines from ambient temperatures to...related to
strongly differentiated granites, for carbonatite-related fluorspar deposits,
and for veins from |
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