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Belterra Brazil

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Journal Article
Journal: Palynology
Published: 01 December 2013
Palynology (2013) 37 (2): 218–230.
... of Pará, Brazil ( Figure 1 ). In Belterra [02°38′07″S, 54°55′53.2″W, 126 m above sea level (a.s.l.)], samples were collected monthly from the food pots of colonies of T. angustula (locally known as ‘jataí’ or ‘mosquito-amarela’) in the apiary owned by the chairman of the Beekeepers Association...
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(A) A map showing where <b>Brazil</b> (shaded in light grey) is located within Sou...
Published: 01 December 2013
Figure 1 (A) A map showing where Brazil (shaded in light grey) is located within South America, and (B) a map showing the states of Brazil, and the location of the two sites studied (Belterra and Santarém). The states of Brazil that are considered the northern region are labelled.
Journal Article
Published: 01 August 2002
Clays and Clay Minerals (2002) 50 (4): 494–503.
... amounts of quartz, anatase, goethite and hematite. The field observations and the morphological analysis indicate the existence of sedimentary features throughout the whole profile except for the upper aluminous clayey layer (Belterra Clay). This is evidence that the Rio Jari kaolin deposit originated...
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Seasonal distribution in the number of pollen types, Shannon-Weaver diversi...
Published: 01 December 2013
Figure 2 Seasonal distribution in the number of pollen types, Shannon-Weaver diversity (H′) and Pielou’s evenness (J′) indexes among pollen samples obtained from pollen pots of Tetragonisca angustula in Belterra, Lower Amazon region, Pará State, Brazil.
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Areas studied in the Lower Amazon region, Pará State (PA), <b>Brazil</b>. Figure 1...
Published: 01 December 2013
Plate 1 Areas studied in the Lower Amazon region, Pará State (PA), Brazil. Figure 1. Meliponary (stingless bee apiary) sited in the urban zone of Belterra. Figure 2. Hive of Tetragonisca angustula located at the Forest School, Santarém, PA. Figure 3. View from the Forest School in Santarém.
Journal Article
Journal: Economic Geology
Published: 01 August 2016
Economic Geology (2016) 111 (5): 1277–1290.
... 2 O 3 (available) in the world-renowned Amazon Province, northern Brazil. The mineral resource is part of a mature laterite profile and consists of reddish to mottled clay at the base that narrows upward to massive bauxite, followed by ferruginous bauxite, and is capped by an iron horizon (nodular...
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Journal Article
Published: 01 April 2018
Mineralogical Magazine (2018) 82 (2): 413–431.
... thermogravimetric results. For this investigation a profile in the bauxite-bearing regolith occurrence in the ALCOA bauxite mine at Juruti, Brazil was studied. The different minerals, their compositions and their low crystallinity in the different horizons were investigated and the contents determined...
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Photomicrographs of some pollen types found in stingless bee pollen samples...
Published: 01 December 2013
Plate 2 Photomicrographs of some pollen types found in stingless bee pollen samples from Belterra and Santarém, Lower Amazon region, Pará State, Brazil. Bars = 10 μ m. Figure 1. Bv , Borreria verticillata (Rubiaceae); By , Byrsonima (Malpighiaceae). Figure 2. By , Byrsonima
Journal Article
Journal: Clay Minerals
Published: 03 August 2020
Clay Minerals (2020) 55 (2): 172–183.
... the southern region of Santa Catarina, Brazil, in the manufacture of clay ceramics. The clay materials were characterized regarding their chemical composition (X-ray fluorescence; XRF), mineralogy (X-ray diffraction; XRD), particle-size distribution (laser diffraction) and residue (sieve analysis), thermal...
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