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2000

Conference Publication

Timing of weathering by 40Ar/39Ar dating of K-Mn oxides from Mary Valley, Gympie, Queensland

Feng, Y. and Vasconcelos, P. M. D. (2000). Timing of weathering by 40Ar/39Ar dating of K-Mn oxides from Mary Valley, Gympie, Queensland. FT2000, Lorne, VIC Australia, 6-11 February 2000. Mulgrave, VIC Australia: Geological Society of Australia.

Timing of weathering by 40Ar/39Ar dating of K-Mn oxides from Mary Valley, Gympie, Queensland

2000

Conference Publication

Can geochronology of weathering profiles impose constraints on erosion rates

Vasconcelos, P. M. D. (2000). Can geochronology of weathering profiles impose constraints on erosion rates. 9th International Conference on Fission Track Dating & Thermochronology, Lorne, Victoria, 6-11 February. Sydney: Geological Society of Australia.

Can geochronology of weathering profiles impose constraints on erosion rates

2000

Conference Publication

The suitability of alunite-group supergene sulfates to (40)AR/(39) geochronology

Conroy, M., Feng, Y., Newberry, T. and Vasconcelos, P. M. D. (2000). The suitability of alunite-group supergene sulfates to (40)AR/(39) geochronology. Summit 2000, Reno, Nevada, 13-16 Nov. 2000. Boulder, Colorado: Geological Society of America.

The suitability of alunite-group supergene sulfates to (40)AR/(39) geochronology

2000

Edited Outputs

40Ar/39Ar dating of weathering profiles and landscape evolution in Australia and Brazil

Vasconcelos, P. M. D., Feng, Y. and Keay, S. eds. (2000). 40Ar/39Ar dating of weathering profiles and landscape evolution in Australia and Brazil. 31st International Geological Congress, Rio de Janeiro, 6-17 August 2000. Web: -.

40Ar/39Ar dating of weathering profiles and landscape evolution in Australia and Brazil

2000

Conference Publication

Studies of geomorphic rates and processes with cosmogenic isotopes - examples from Australia

Vasconcelos, P. M. D. and Stone, J. O. (2000). Studies of geomorphic rates and processes with cosmogenic isotopes - examples from Australia. Goldschmidt 2000, Oxford UK, 03-08 Sept 2000. Cambridge, UK: Cambridge Publications.

Studies of geomorphic rates and processes with cosmogenic isotopes - examples from Australia

2000

Edited Outputs

The potential use of secondary uranium minerals in weathering geochronology

Vasconcelos, P. M. D. and Keay, S. eds. (2000). The potential use of secondary uranium minerals in weathering geochronology. FT2000, Lorne, Victoria, 6-11 February 2000. Mulgrave, Victoria: Geological Society of Australia.

The potential use of secondary uranium minerals in weathering geochronology

1999

Journal Article

K-Ar and 40Ar/39Ar geochronology of weathering processes

Vasconcelos, 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

K-Ar and 40Ar/39Ar geochronology of weathering processes

1999

Conference Publication

40Ar/39Ar weathering ages from ancient Australian cratonic surfaces

Vasconcelos, 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.

40Ar/39Ar weathering ages from ancient Australian cratonic surfaces

1999

Book Chapter

40Ar/39Ar Geochronology of Supergene Processes in Ore Deposits

Vasconcelos, P. M. D. (1999). 40Ar/39Ar Geochronology of Supergene Processes in Ore Deposits. Reviews in Economic Geology. (pp. 73-113) edited by D. Lambert and J. Ruiz. Chelsea, Michigan, USA: Society of Economic Geologists.

40Ar/39Ar Geochronology of Supergene Processes in Ore Deposits

1999

Conference Publication

Quaternary erosion rate estimates for ancient Australian cratonic surfaces

Vasconcelos, 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.

Quaternary erosion rate estimates for ancient Australian cratonic surfaces

1995

Journal Article

Mechanisms and kinetics of atmospheric, radiogenic, and nucleogenic argon release from cryptomelane during 40Ar 39Ar analysis

Vasconcelos, 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

Mechanisms and kinetics of atmospheric, radiogenic, and nucleogenic argon release from cryptomelane during 40Ar 39Ar analysis

1994

Journal Article

In-situ study of the thermal-behavior of cryptomelane by high-voltage and analytical electron-microscopy

Vasconcelos, 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.

In-situ study of the thermal-behavior of cryptomelane by high-voltage and analytical electron-microscopy

1994

Journal Article

40Ar39Ar analysis of supergene jarosite and alunite: implications to the paleoweathering history of the western USA and West Africa

Vasconcelos, 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

40Ar39Ar analysis of supergene jarosite and alunite: implications to the paleoweathering history of the western USA and West Africa

1994

Journal Article

Direct dating of weathering phenomena by 40Ar39 Ar and K-Ar analysis of supergene K-Mn oxides

Vasconcelos, 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

Direct dating of weathering phenomena by 40Ar39 Ar and K-Ar analysis of supergene K-Mn oxides

1992

Journal Article

Age and duration of weathering by 40K-40Ar and 40Ar/39Ar analysis of potassium-manganese oxides

Vasconcelos, 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

Age and duration of weathering by 40K-40Ar and 40Ar/39Ar analysis of potassium-manganese oxides

1991

Conference Publication

Supergene geochemistry and crystal morphology of gold in a semiarid weathering environment: application to gold exploration

Vasconcelos, 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

Supergene geochemistry and crystal morphology of gold in a semiarid weathering environment: application to gold exploration