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Capim River

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Image
Typical reflectance spectra of <b>Capim</b> <b>River</b> deposits (full lines) and weight...
Published: 01 October 2012
Figure 1 Typical reflectance spectra of Capim River deposits (full lines) and weights used to calculate brightness (dotted line). The weights favor the blue region of the spectrum (400–510 nm), where the contaminants absorb the most energy hence the high sensitivity of the kaolin's brightness
Image
Sketch of the typical <b>Capim</b> <b>River</b> kaolin profile, with representative photo...
Published: 01 March 2007
F ig . 2. Sketch of the typical Capim River kaolin profile, with representative photographs of each facies: (g, h) sand kaolin (SK), (f) soft kaolin (SoK), (e) lower transition facies (LTF), (c, d) ferruginous crust (FC), (b) upper transition facies (UTF), and (a) flint kaolin (FK).
Image
Triangular diagram showing the chemical characteristics of the <b>Capim</b> <b>River</b> ...
Published: 01 March 2007
F ig . 8. Triangular diagram showing the chemical characteristics of the Capim River kaolin facies compared with other kaolin occurrences of different origins (adapted from Nyakairu et al. , 2001 ). Sand kaolin (KA), soft kaolin (SoK), lower transition facies (LTF), ferruginous crust (FC
Image
REE  distribution for representative samples of the <b>Capim</b> <b>River</b> kaolin faci...
Published: 01 March 2007
F ig . 10. REE distribution for representative samples of the Capim River kaolin facies. REE normalized to the soft kaolin (SoK/value = 1). Sand kaolin (KA), lower transition facies (LTF), ferruginous crust (FC), upper transition facies (UTF) and flint kaolin facies (FK)
Image
Geological cross section of the Ipixuna kaolin deposit of PPSA, <b>Capim</b> <b>River</b>...
Published: 01 September 2006
F ig . 8. Geological cross section of the Ipixuna kaolin deposit of PPSA, Capim River with details of particle size, grit levels and ISO brightness from the sequence.
Image
SEM image of kaolin from Xpixuna deposit, PPSA, <b>Capim</b> <b>River</b>, showing the pl...
Published: 01 September 2006
F ig . 10. SEM image of kaolin from Xpixuna deposit, PPSA, Capim River, showing the platy nature of the kaolinite (image courtesy of Caemi).
Journal Article
Journal: Clay Minerals
Published: 01 June 2007
Clay Minerals (2007) 42 (2): 145–151.
...H. H. MURRAY; C. A. ALVES; C. H. BASTOS Abstract High-quality kaolins are produced from two sites in the Capim River area in Pará State, northern Brazil. One mine is operated by Rio Capim Caulim (RCC) owned by Imerys and the other by Pará Pigmentos S.A. (PPSA) owned by Caemi (CVRD Group...
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Journal Article
Journal: Clay Minerals
Published: 01 September 2008
Clay Minerals (2008) 43 (3): 381–391.
...W. N. MUSSEL; E. MURAD; P. S. R. CRISCUOLO; P. G. PINHEIRO; J. D. FABRIS Abstract Kaolin mined from the Ipixuna deposit of Pará Pigmentos S.A. in the Capim river area of northern Brazil has been studied at various stages of beneficiation to determine the behaviour of Fe- and Ti-bearing minerals...
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Journal Article
Journal: Clay Minerals
Published: 01 September 2006
Clay Minerals (2006) 41 (3): 697–716.
...F ig . 8. Geological cross section of the Ipixuna kaolin deposit of PPSA, Capim River with details of particle size, grit levels and ISO brightness from the sequence. ...
FIGURES | View All (15)
Journal Article
Published: 01 October 2012
Clays and Clay Minerals (2012) 60 (5): 473–483.
...Figure 1 Typical reflectance spectra of Capim River deposits (full lines) and weights used to calculate brightness (dotted line). The weights favor the blue region of the spectrum (400–510 nm), where the contaminants absorb the most energy hence the high sensitivity of the kaolin's brightness...
FIGURES | View All (14)
Journal Article
Journal: Clay Minerals
Published: 01 March 2007
Clay Minerals (2007) 42 (1): 69–87.
...F ig . 2. Sketch of the typical Capim River kaolin profile, with representative photographs of each facies: (g, h) sand kaolin (SK), (f) soft kaolin (SoK), (e) lower transition facies (LTF), (c, d) ferruginous crust (FC), (b) upper transition facies (UTF), and (a) flint kaolin (FK). ...
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Image
Location map of the <b>Capim</b> Kaolin District (CKD). The study area is on the w...
Published: 01 March 2007
F ig . 1. Location map of the Capim Kaolin District (CKD). The study area is on the western bank of the Capim River.
Series: Geological Society, London, Special Publications, Geological Society, London, Special Publications
Published: 01 January 2010
DOI: 10.1144/SP338.13
EISBN: 9781862395862
...-137.3 Uauá enderbitic granulite 2933 0.1052 0.510828 (13) 3.12 −35.32 −0.75 PO-37 Uauá enderbitic granulite 3000 0.0876 0.510504 (20) 3.07 −41.63 0.54 PO-82 Uauá banded gneiss – 0.0772 0.509999 (36) 3.41 −51.48 JUB 21 Capim tonalite 3120 0.1224 0.510949 (10) 3.54...
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Journal Article
Journal: Clay Minerals
Published: 01 December 2015
Clay Minerals (2015) 50 (5): 663–675.
... and the Capim regions as a source of Si and Al, in order to find inexpensive raw materials and reduce cost in these types of processes in addition to considering the environmental issues. The waste from kaolin processing for the paper-coatings industry in the region of Capim (KC) and the River Jari (KJ...
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Journal Article
Published: 01 August 2002
Clays and Clay Minerals (2002) 50 (4): 494–503.
... and evolution. A profile 60 m thick was selected in a kaolin mine (Morro do Felipe) located at the banks of the Jari river. Despite the great thickness of the deposit and the variety of kaolin types, the mineralogical composition is rather homogeneous and is mainly kaolinite associated with gibbsite and small...
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Journal Article
Journal: Clay Minerals
Published: 01 March 2017
Clay Minerals (2017) 52 (1): 75–82.
... Minerals , 43 , 381 – 391 . Santos P.S. ( 1989 ) Ciência e Tecnologia de Argilas. Edgar Blücher , São Paulo . Santos E. , Scorzelli R.B. , Bertolino L.C. , Alves O.C. & Munayco P. ( 2012 ) Characterization of kaolin from the Capim River region, Brazil...
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Journal Article
Published: 01 December 2012
Clays and Clay Minerals (2012) 60 (6): 633–654.
... ; Pruett and Pickering, 2006 ; Murray, 2007 ). The latter type, in particular, such as the Georgia (USA) and Capim River (Brazil) kaolin deposits, represent the current, and probably future, major supplies of kaolin to world markets ( e.g. Costa and Moraes, 1998 ; Pruett and Pickering, 2006 ) and may...
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Journal Article
Published: 01 July 2018
Clays and Clay Minerals (2018) 66 (3): 245–260.
... Hercynian granitic rocks from the Piedmont of South Carolina . American Journal of Science , 280 , 1018 – 1034 . Sousa , D.J.L. , Varajão , A.F.D.C. , and Yvon , J. ( 2006 ) Geochemical evolution of the Capim River kaolin, northern Brazil . Journal of Geochemical Exploration , 88...
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Journal Article
Journal: Clay Minerals
Published: 02 August 2019
Clay Minerals (2019) 54 (3): 283–291.
... region, from the Rio Jari and Rio Capim deposits (Montes et al. , 2002 ; Wilson et al. , 2006 ; Sousa et al. , 2007 ). Moreover, important primary deposits are also hosted in pegmatites, such as in Borborema Pegmatite Province (BPP), which produces ~120 ktpa of kaolin (Leite et al. , 2014...
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Journal Article
Journal: Elements
Published: 01 June 2014
Elements (2014) 10 (3): 189–193.
... in the Neolithic when early humans discovered that the material could be used as a white pigment for painting and decoration. These miners devised a simple process to transform the raw mineral into a form that could be more readily applied to surfaces. The process started with digging kaolin from river banks...
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