Mineral chemistry and crystallization parameters of the A-type Paleoproterozoic Bannach Granite, Carajás Province, Pará, Brazil

by Caio José Soares Mesquita, Roberto Dall’Agnol, José de Arimatéia Costa de Almeida

Integrated Geochemical Assessment of Soils and Stream Sediments to Evaluate Source-Sink Relationships and Background Variations in the Parauapebas River Basin, Eastern Amazon

by Gabriel Negreiros Salomão, Danielle de Lima Farias, Prafulla Kumar Sahoo, Roberto Dall’Agnol, Dibyendu Sarkar
Published 2021-03-01

Mineralogia dos greisens da área Grota Rica, Plúton Água Boa, Pitinga, Amazonas

by Gilmara Regina Lima Feio, Roberto Dall’Agnol, Régis Munhoz Krás Borges, Hilton Tulio Costi1, Claudio Nery Lamarão

Long Term Application of Fertilizers in Eastern Amazon and Effect on Uranium and Thorium Levels in Soils

by Anderson Martins de Souza Braz, Marcondes Lima da Costa, Sílvio Junio Ramos, Roberto Dall’Agnol, Antonio Rodrigues Fernandes
Published 2021-09-01

Environmental Impact of Potentially Toxic Elements on Tropical Soils Used for Large-Scale Crop Commodities in the Eastern Amazon, Brazil

by Anderson Martins de Souza Braz, Marcondes Lima da Costa, Sílvio Junio Ramos, Roberto Dall’Agnol, Antonio Rodrigues Fernandes
Published 2021-09-01

GEOCHEMICAL DISTRIBUTION AND THRESHOLD VALUES DETERMINATION OF HEAVY METALS IN STREAM WATER IN THE SUB-BASINS OF VERMELHO AND SORORÓ RIVERS, ITACAIÚNAS RIVER WATERSHED, EASTERN AMA...

by Gabriel Negreiros Salomão, Roberto Dall'Agnol, Prafulla Kumar Sahoo, Jair da Silva Ferreira Júnior, Marcio Sousa da Silva, Pedro Walfir Martins e Souza Filho, José Francisco Berrêdo, Wilson da Rocha Nascimento Junior, Marlene Furtado da Costa
Published 2018-12-01

Influence of seasonal variation on the hydro-biogeochemical characteristics of two upland lakes in the Southeastern Amazon, Brazil

by PRAFULLA K. SAHOO, JOSÉ T.F. GUIMARÃES, PEDRO W.M. SOUZA-FILHO, MARCIO S. DA SILVA, RENATO O. SILVA JÚNIOR, GUSTAVO PESSIM, BERGSON C. DE MORAES, PAULO F.P. PESSOA, TARCÍSIO M. RODRIGUES, MARLENE F. DA COSTA, ROBERTO DALL'AGNOL

The sustainability index of the physical mining Environment in protected areas, Eastern Amazon

by Pedro Walfir M. Souza-Filho, Rosane B.L. Cavalcante, Wilson R. Nascimento, Jr., Sâmia Nunes, Markus Gastauer, Diogo C. Santos, Renato O. Silva, Jr., Prafulla K. Sahoo, Gabriel Salomão, Marcio S. Silva, Silvio J. Ramos, Cecílio F. Caldeira, Roberto Dall’Agnol, José O. Siqueira
Published 2020-12-01