1999 Conference Publication 40Ar/39Ar weathering ages from ancient Australian cratonic surfacesVasconcelos, P. M. D. and Stone, J. O. (1999). 40Ar/39Ar weathering ages from ancient Australian cratonic surfaces. Rio 99, Regional Conference on Geomorphology, Rio de Janeiro, 17-22 July, 1999. Rio de Janeiro: Brazilian Geomorphological Union. |
1999 Journal Article K-Ar and 40Ar/39Ar geochronology of weathering processesVasconcelos, P. M. D. (1999). K-Ar and 40Ar/39Ar geochronology of weathering processes. Annual Review of Earth and Planetary Sciences, 27 (1), 183-229. doi: 10.1146/annurev.earth.27.1.183 |
1999 Conference Publication Quaternary erosion rate estimates for ancient Australian cratonic surfacesVasconcelos, P. M. D. and Stone, J. O. (1999). Quaternary erosion rate estimates for ancient Australian cratonic surfaces. Rio 99, Regional Conference on Geomorphology, Rio de Janeiro, 17-22 July, 1999. Rio de Janeiro: Brazilian Geomorphological Union. |
1995 Journal Article Mechanisms and kinetics of atmospheric, radiogenic, and nucleogenic argon release from cryptomelane during 40Ar 39Ar analysisVasconcelos, Paulo Marcos, Renne, Paul R., Becker, Tim A. and Wenk, Hans-Rudolf (1995). Mechanisms and kinetics of atmospheric, radiogenic, and nucleogenic argon release from cryptomelane during 40Ar 39Ar analysis. Geochimica et Cosmochimica Acta, 59 (10), 2057-2070. doi: 10.1016/0016-7037(95)00126-3 |
1994 Journal Article In-situ study of the thermal-behavior of cryptomelane by high-voltage and analytical electron-microscopyVasconcelos, P. M., Wenk, H. R. and Echer, C. (1994). In-situ study of the thermal-behavior of cryptomelane by high-voltage and analytical electron-microscopy. The American Mineralogist, 79 (1-2), 80-90. |
1994 Journal Article 40Ar39Ar analysis of supergene jarosite and alunite: implications to the paleoweathering history of the western USA and West AfricaVasconcelos, Paulo M., Brimhall, George H., Becker, Tim A. and Renne, Paul R. (1994). 40Ar39Ar analysis of supergene jarosite and alunite: implications to the paleoweathering history of the western USA and West Africa. Geochimica et Cosmochimica Acta, 58 (1), 401-420. doi: 10.1016/0016-7037(94)90473-1 |
1994 Journal Article Direct dating of weathering phenomena by 40Ar39 Ar and K-Ar analysis of supergene K-Mn oxidesVasconcelos, Paulo M., Renne, Paul R., Brimhall, George H. and Becker, Tim A. (1994). Direct dating of weathering phenomena by 40Ar39 Ar and K-Ar analysis of supergene K-Mn oxides. Geochimica et Cosmochimica Acta, 58 (6), 1635-1665. doi: 10.1016/0016-7037(94)90565-7 |
1992 Journal Article Age and duration of weathering by 40K-40Ar and 40Ar/39Ar analysis of potassium-manganese oxidesVasconcelos, Paolo M., Becker, Tim A., Renne, Paul R. and Brimhall, George H. (1992). Age and duration of weathering by 40K-40Ar and 40Ar/39Ar analysis of potassium-manganese oxides. Science, 258 (5081), 451-455. doi: 10.1126/science.258.5081.451 |
1991 Conference Publication Supergene geochemistry and crystal morphology of gold in a semiarid weathering environment: application to gold explorationVasconcelos, P. and Kyle, J. Richard (1991). Supergene geochemistry and crystal morphology of gold in a semiarid weathering environment: application to gold exploration. 13th International Geochemical Exploration Symp ( Iges ) / 2nd Brazilian Geochemical Congress, Rio De Janeiro, Brazil, 1-6 October 1989. Amsterdam, Netherlands: Elsevier. doi: 10.1016/0375-6742(91)90034-r |