Nuno Machado

Nuno Machado publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Nuno Machado sits on this spectrum.

Nuno Machado D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Nuno Machado sits on this spectrum.

Overview

Best Publications

• Timing of terrane accretion in the Neoproterozoic–Eopaleozoic Ribeira orogen (se Brazil)

  Monica Heilbron;Nuno Machado

  403
  Citations

• UPb geochronology of the central Ribeira belt (Brazil) and implications for the evolution of the Brazilian Orogeny

  N. Machado;C. Valladares;M. Heilbron;C. Valeriano

  322
  Citations

• Ages of detrital zircon from Archean-Paleoproterozoic sequences: Implications for Greenstone Belt setting and evolution of a Transamazonian foreland basin in Quadrilátero Ferrífero, southeast Brazil

  N. Machado;A. Schrank;C.M. Noce;G. Gauthier

  313
  Citations

• U-Pb geochronology of the southern Brasília belt (SE-Brazil): Sedimentary provenance, Neoproterozoic orogeny and assembly of West Gondwana

  Claudio M Valeriano;Nuno Machado;Antonio Simonetti;Claudia S Valladares

  245
  Citations

• Lead geochronology of zircon by LaserProbe-inductively coupled plasma mass spectrometry (LP-ICPMS)

  Rui Feng;Nuno Machado;John Ludden

  233
  Citations

• U-Pb Geochronology of Archean magmatism and Proterozoic metamorphism in the Quadrilátero Ferrífero, southern São Francisco craton, Brazil

  N. Machado;C. M. Noce;Eduardo A. Ladeira;O. Belo de Oliveira

  215
  Citations

• Pb, Sr and Nd isotope constraints on the Archaean evolution of gneissic-granitoid complexes in the southern São Francisco Craton, Brazil

  Wilson Teixeira;Maurício Antônio Carneiro;Carlos Maurício Noce;Nuno Machado

  205
  Citations

• Timing and origin of midcontinent rift alkaline magmatism, North America: evidence from the Coldwell Complex

  L. M. Heaman;N. Machado

  186
  Citations

• Determination of initial 87Sr86Sr and 143Nd144Nd in primary minerals from mafic and ultramafic rocks: Experimental procedure and implications for the isotopic characteristics of the Archean mantle under the Abitibi greenstone belt, Canada

  N. MacHado;C. Brooks;S.R. Hart

  175
  Citations

• Evolution of reworked Paleoproterozoic basement rocks within the Ribeira belt (Neoproterozoic), SE-Brazil, based on U–Pb geochronology: Implications for paleogeographic reconstructions of the São Francisco-Congo paleocontinent

  Mônica Heilbron;Beatriz Paschoal Duarte;Cláudio de Morisson Valeriano;Antonio Simonetti

  159
  Citations

• Precise U-Pb zircon ages for the Molson dyke swarm and the Fox River sill: Constraints for Early Proterozoic crustal evolution in northeastern Manitoba, Canada

  L. M. Heaman;N. Machado;T. E. Krogh;W. Weber

  141
  Citations

• A OROGÊNESE BRASILIANA NO SEGMENTO CENTRAL DA FAIXA RIBEIRA, BRASIL

  Monica Heilbron;Cláudio De Morisson Valeriano;Cláudia Sayão Valladares;Nuno Machado

  139
  Citations

• Juvenile contribution of the Neoproterozoic Rio Negro Magmatic Arc (Ribeira Belt, Brazil): Implications for Western Gondwana amalgamation

  Miguel Tupinambá;Monica Heilbron;Claudio Valeriano;Rubem Porto Júnior;Rubem Porto Júnior

  130
  Citations

• Fine-scale isotopic heterogeneity in the sub-Atlantic mantle

  N. Machado;J. N. Ludden;C. Brooks;G. Thompson

  111
  Citations

• EVOLUÇÃO SEDIMENTAR DO SUPERGRUPO MINAS: 500 MA. DE REGISTRO GEOLÓGICO NO QUADRILÁTERO FERRÍFERO, MINAS GERAIS, BRASIL

  Friedrich E. Renger;Carlos M. Noce;Antônio W. Romano;Nuno Machado

  110
  Citations

• Kinematics of long‐lasting Paleoproterozoic transpression within the Thompson Nickel Belt, Manitoba, Canada

  Denis Gapais;Alain Potrel;Nunno Machado;Nunno Machado;Erwan Hallot

  109
  Citations

• U-Pb geochronology of gneisses and granitoids in the quadrilátero Ferrífero (southern São Francisco Craton): age constraints for Archean and Paleoproterozoic magmatism and metamorphism

  Carlos Maurício Noce;Nuno Machado;Wilson Teixeira

  107
  Citations

• U–Pb geochronology of the Opatica tonalite-gneiss belt and its relationship to the Abitibi greenstone belt, Superior Province, Quebec

  W.J. Davis;N. Machado;C. Gariépy;E. W. Sawyer

  90
  Citations

• The Serra da Bolívia complex: The record of a new Neoproterozoic arc-related unit at Ribeira belt

  Monica Heilbron;Miguel Tupinambá;Claudio de Morisson Valeriano;Richard Armstrong

  88
  Citations

• UPb geochronology of the western Cape Smith Belt, Canada: new insights on the age of initial rifting and arc magmatism

  N. Machado;J. David;D.J. Scott;D. Lamothe

  77
  Citations