Leonardo Boiadeiro Ayres Negrão

An application of the Rietveld refinement method to the mineralogy of a bauxite-bearing regolith in the Lower Amazon

H. Pöllmann, M. Costa, Leonardo Boiadeiro Ayres Negrão, 2018, Mineralogical Magazine.

Production of low-CO2 cements using abundant bauxite overburden “Belterra Clay”

H. Pöllmann, M. Costa, Leonardo Boiadeiro Ayres Negrão, 2021 .

Waste clay from bauxite beneficiation to produce calcium sulphoaluminate eco-cements

H. Pöllmann, M. Costa, Leonardo Boiadeiro Ayres Negrão, 2022, Construction and Building Materials.

Mineralogical Appraisal of Bauxite Overburdens from Brazil

H. Pöllmann, Leonardo Boiadeiro Ayres Negrão, Tiago Kalil Cortinhas Alves, 2021, Minerals.

The Belterra Clay on the bauxite deposits of Rondon do Pará, Eastern Amazon

H. Pöllmann, M. Costa, Leonardo Boiadeiro Ayres Negrão, 2018, Brazilian Journal of Geology.

Holocene Vegetation, Climate, Sea-Level Oscillation, and Human Impact Inferred from the Archaeological Site Cabeludo in Maranhão State, Ne Brazil

H. Behling, M. Costa, Leonardo Boiadeiro Ayres Negrão, 2022, SSRN Electronic Journal.

Mineralogy and geochemistry of a bauxite-bearing lateritic profile supporting the identification of its parent rocks in the domain of the huge Carajás iron deposits, Brazil

M. Costa, Leonardo Boiadeiro Ayres Negrão, 2021 .