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Article

1 Citations

2,909 Views

26 Pages

Unraveling Parent Rock and Mineral Influences in Tropical Weathering Profiles: REE, Nd and Sr Isotopic Geochemistry

Caroline Araujo Freitas,
Adriana Maria Coimbra Horbe,
Márcio Fernando dos Santos Albuquerque and
Rodrigo Tokuta Castro

Minerals2024, 14(5), 470;https://doi.org/10.3390/min14050470

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28 April 2024

This study aims to investigate the effects of parent rock and minerals on lateritic weathering. The study presents X-ray diffraction (XRD), whole-rock geochemistry, and Nd-Sr isotopic data for examining two profiles, 10 and 12 m thick, respectively,...

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Article

6 Citations

3,884 Views

13 Pages

Acquiring Iron-Reducing Enrichment Cultures: Environments, Methods and Quality Assessments

Aline Figueiredo Cardoso,
Rayara do Socorro Souza da Silva,
Isabelle Gonçalves de Oliveira Prado,
José Augusto Pires Bitencourt and
Markus Gastauer

Microorganisms2023, 11(2), 448;https://doi.org/10.3390/microorganisms11020448

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10 February 2023

Lateritic duricrusts cover iron ore deposits and form spatially restricted, unique canga ecosystems endangered by mining. Iron cycling, i.e., the dissolution and subsequent precipitation of iron, is able to restitute canga duricrusts, generating new...

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Article

18 Citations

8,644 Views

22 Pages

Evaluation of Digital Classification of Polarimetric SAR Data for Iron-Mineralized Laterites Mapping in the Amazon Region

Arnaldo De Q. Da Silva,
Waldir R. Paradella,
Corina C. Freitas and
Cleber G. Oliveira

Remote Sens.2013, 5(6), 3101-3122;https://doi.org/10.3390/rs5063101

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20 June 2013

This study evaluates the potential of C- and L-band polarimetric SAR data for the discrimination of iron-mineralized laterites in the Brazilian Amazon region. The study area is the N1 plateau located on the northern border of the Carajás Mineral Prov...

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