Cave Geomechanical Index (CGI). Classification and Contribution to the Conservation of Natural Caves in the Iron Mines [PDF]
Geoconservation Research, 2020 Cave geotechnical studies have been the key to meeting the requirements of Brazilian environmental legislation for the conservation of speleological heritage in mining areas. This paper presents a methodology that classifies iron caves according to their
Iuri Brandi +6 more
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Three new troglobitic Coarazuphium (Coleoptera, Carabidae, Zuphiini) species from a Brazilian hotspot of cave beetles: exploring how the environmental attributes of caves drive ground-beetle niches [PDF]
Subterranean Biology, 2022 Three new species of troglobitic beetles of the genus Coarazuphium are described from specimens collected in iron ore caves in the Flona de Carajás in Brazil, doubling the number of known species for the Carajás region.
Thais Giovannini Pellegrini +3 more
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Anomalous supply of bioessential molybdenum in mid-Proterozoic surface environments [PDF]
, 2016 We are grateful to A. Sandison and W. Thayalon for skilled technical support, and Mike Porter and an anonymous reviewer, who helped to clarify the manuscript.Peer ...
Lindgren, Paula, Parnell, John
core +1 more source
APPLICATION OF SIMPLIFIED METHOD FOR DETERMINING THE WI TO PREDICT THE PERFORMANCE OF BALLS MILLS IN SOSSEGO PLANT [PDF]
Tecnologia em Metalurgia, Materiais e Mineração, 2013 Over the years Vale S.A. has developed a methodology for scaling industrial comminution circuit that is being constantly improved and implemented in developing new routes and process optimization of circuits in operation.
Vladmir Kronemberger Alves +6 more
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Estudo fitossociológico nas regiões de Carajás e Marabá - Pará, Brasil [PDF]
Acta Amazonica, 1999 O estudo fitossociológico levou em consideração duas áreas localizadas em Carajás e Marabá, na região sul do Pará. A amostragem abordou dois níveis: 1) Indivíduos com DAP ≥ 20cm em parcelas de 20m x 200m e, II) Indivíduos com 5cm ≤ DAP ≤ 20cm em duas sub-
Ralfli João RIBEIRO +3 more
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Plantations d'eucalyptus et sidérurgie en Amazonie : apports du modèle 3-PG [PDF]
, 2011 Le secteur sidérurgique de Carajás, en Amazonie Brésilienne, fait l'objet de contestations environnementales du fait de sa forte consommation en charbon de bois.
Behling, Maurel +5 more
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The evolution of the continental and coastal environments during the last climatic cycle in Brazil (120 KY. B.P. to present) [PDF]
, 1993 Studies done in Brazil, under the CNPq (Brazil) and ORSTOM (France) agreement, allowed us to envisage the general trend of climatic changes that occurred during the last 60,000 years.
Absy, M.L. +8 more
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Análise do período de floração e frutificação do banco ativo de germoplasma de jaborandi (Pilocarpus microphyllus Staf ex Wardleworth). [PDF]
, 2013 O jaborandi (Pilocarpus microphyllus Stapf ex wardleworth) pertence à família Rutaceae. Dentre as treze espécies que ocorrem no Brasil, Pilocarpus microphyllus é considerado o jaborandi verdadeiro por possuir maiores teores de pilocarpina em suas folhas ...
ASSIS, R. M. A. de +3 more
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Revista de Arqueologia, 1994 Carajás representa um papel fundamental para a compreensão da integração humana na Amazônia. Isto acontece devido às suas características ambientais e às possfveis inteirações que os homens puderam ter com elas.
Marcos Pereira Magalhães
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Atlas da Região de Carajás: uma introdução
Confins, 2023 The proposal for an Atlas of the Carajás Region is a product of the research project “Production of subsidies for the formulation of public policies for the Carajás Region”.
Eudes Leopoldo +4 more
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