
Overview
Background
Associate Professor Paulo Vasconcelos' research is in the fields of: Low-T Geochemistry, Economic Geology and 40Ar/39Ar Geochronology. He received his PhD from The University of California (Berkeley).
Paolo Vasconcelos research interests cover
- Supergene enrichment in ore deposits
- Isotopic dating of weathering processes
- Exploration geochemistry
- Palaeoclimatology and landscape evolution
- Application of K-Ar and 40Ar/39Ar and noble gas systematics to ore deposit genesis
- Origin and geochemistry of gem deposits
His chief research projects are in the areas of:
- Weathering Geochronology, Weathering Geochronology and Landscape Evolution
- Mechanisms and timing of silicification in Australia and the genesis of opal deposits
- Cenozoic Magmatism in North East Brazil and in South East Queensland
- U-He, 40Ar/39Ar, and Re-Os as fingerprints of metal sources in orogenic gold deposits
- U-Th/He dating of iron and manganese oxides
- Cosmogenic 3He generation and retention in goethite and hematite
- Hydrothermal vs. supergene origin of orebodies in banded iron formations in the Hamersley iron province, the Quadrilátero Ferrífero iron province, and the Carajás iron province
- Supergene Enrichment in the Kalahari Manganese Fields, South Africa
- Timing of topaz, emerald and gold mineralization
- 40Ar/39Ar geocronological constraints on postulated hominid fossil sites in Cueva Victoria, Spain
Availability
- Professor Paulo Vasconcelos is:
- Available for supervision
Fields of research
Qualifications
- Bachelor of Science, University of Kansas
- Masters (Coursework), The University of Texas
- Doctor of Philosophy, University of California-Berkeley
Works
Search Professor Paulo Vasconcelos’s works on UQ eSpace
2008
Conference Publication
Pervasive supergene manganese enrichment throughout the Late Cenozoic, South China
Li, J. W., Vasconcelos, P. and Deng, X. D. (2008). Pervasive supergene manganese enrichment throughout the Late Cenozoic, South China. PACRIM Congress 2008, Gold Coast, QLD, Australia, 24-26 November, 2008. Carlton, VIC, Australia: The Australasian Institute of Mining and Metallurgy (AusIMM).
2008
Conference Publication
Volcano geochronology provides a continental speedometer for unraveling tectonic events and informing plate reconstructions
Knesel, K. M., Vasconcelos, P. M., Cohen, B. E. and Thiede, D. S. (2008). Volcano geochronology provides a continental speedometer for unraveling tectonic events and informing plate reconstructions. Earth Systems Dynamics Network: The Meeting of the Elements: Earth, Fire, Water & Air., St Lucia, Australia, 20-21 November 2008.
2008
Conference Publication
Idades Ar-Ar em Depósitos Auríferos da Província Aurífera Juruena-Teles Pires: Evidência da Participação do SW do Mato Grosso na Amalgamação Rondônica/ San Ignácio?
Silva, G. M. and Vasconcelos, P. M. (2008). Idades Ar-Ar em Depósitos Auríferos da Província Aurífera Juruena-Teles Pires: Evidência da Participação do SW do Mato Grosso na Amalgamação Rondônica/ San Ignácio?. 44th Brazilian Geological Congress, Curitiba, Brazil, 26-31 October 2008.
2008
Conference Publication
Numerical calibration of denudation chronology
Vasconcelos, P. M. and Carmo, I. O. (2008). Numerical calibration of denudation chronology. 44th Brazilian Geological Congress, Curitiba, Brazil, 26-30 January 2008.
2008
Conference Publication
Datação 40Ar/39Ar de argilominerais illíticos diagenéticos associados ao vulcanismo Serra Geral
Sant', Anna L., Cordani, U., Vasconcelos, P., Riccomini, C,, Vela¡zquez, V., Mancini, L. and Onoe, A. (2008). Datação 40Ar/39Ar de argilominerais illíticos diagenéticos associados ao vulcanismo Serra Geral. IV Simpósio de Vulcanismo e Ambientes Associados, Foz do Iguaçu, Paraná, Brazil, 8-11 April 2008.
2008
Conference Publication
Astenosfera e litosfera como fontes de magmas basálticos Cenozóicos no NE do Brasil
Souza, S., Dantas, E., Vasconcelos, P. M. and Silveira, F. V. (2008). Astenosfera e litosfera como fontes de magmas basálticos Cenozóicos no NE do Brasil. 44th Brazilian Geological Congress, Curitiba, Brazil, 26-31 October 2008.
2008
Conference Publication
Significance of 40Ar/39Ar cooling rates following the Brasiliano-Panafrican Orogeny in the eastern Borborema Province, northeastern Brazil
Morais Neto, J. M. and Vasconcelos, P. M. (2008). Significance of 40Ar/39Ar cooling rates following the Brasiliano-Panafrican Orogeny in the eastern Borborema Province, northeastern Brazil. 44th Brazilian Geological Congress, Curitiba, Brazil, 26-31 October 2008.
2008
Conference Publication
Re-weathering of deep weathering profiles
Vasconcelos, P., Monteiro, H., Farley, K. and Spier, C. (2008). Re-weathering of deep weathering profiles. 33rd International Geological Congress 2008, Oslo, Norway, 6-14 August 2008.
2008
Conference Publication
Cangas: Self-healing protective covers that inhibit the erosion of deeply weathered banded iron-formations
Vasconcelos, P., Monteiro, H., Farley, K. and Spier, K. (2008). Cangas: Self-healing protective covers that inhibit the erosion of deeply weathered banded iron-formations. VII Simpósio Nacional de Geomorfologia: I Encontro Latin: Dinamica e Diversidade de Paisagens-Americano de Geomorfologia, Belo Horizonte, Brazil, 1-8 August 2008.
2008
Conference Publication
Ar-Ar dating for the Braziliano orogeny in the southern Alagoas Zone Sergipano Belt
Brito, R. S. C., Vasconcelos, P. M., Dantas, E. J., Pimentel, M. M. and Macambira, M. J. B. (2008). Ar-Ar dating for the Braziliano orogeny in the southern Alagoas Zone Sergipano Belt. VI South American Symposium On Isotope Geology, San Carlos de Bariloche, Argentina, 13-17 April 2008.
2007
Journal Article
Ar-40/Ar-39 ages (600-570 Ma) of the Serra do Azeite transtensional shear zone: evidence for syncontractional extension in the Cajati area, southern Ribeira belt
Machado, Rômulo, Dehler, Nolan M. and Vasconcelos, Paulo (2007). Ar-40/Ar-39 ages (600-570 Ma) of the Serra do Azeite transtensional shear zone: evidence for syncontractional extension in the Cajati area, southern Ribeira belt. Annals of the Academia Brasileira de Ciencias, 79 (4), 713-723. doi: 10.1590/S0001-37652007000400011
2007
Journal Article
Chronology of pleistocene weathering processes, southeast Queensland, Australia
Feng, Y. X. and Vasconcelos, P. M. D. (2007). Chronology of pleistocene weathering processes, southeast Queensland, Australia. Earth and Planetary Science Letters, 263 (3-4), 275-287. doi: 10.1016/j.epsl.2007.08.036
2007
Journal Article
Neogene weathering and supergene manganese enrichment in subtropical South China: An 40Ar/39Ar approach and paleoclimatic significance
Li, Jian-Wei, Vasconcelos, P. M. D., Duzgoren-Aydin, N., Yan, Dai-Rong, Zhang, Wei, Deng, Xiao-Dong, Zhao, Xin-Fu, Zeng, Zhong-Ping and Hu, Ming-An (2007). Neogene weathering and supergene manganese enrichment in subtropical South China: An 40Ar/39Ar approach and paleoclimatic significance. Earth and Planetary Science Letters, 256 (3-4), 389-402. doi: 10.1016/j.epsl.2007.01.021
2007
Journal Article
40 Ar/39 Ar constraints on the timing of Oligocene intraplate volcanism in southeast Queensland
Cohen, B. E., Vasconcelos, P. M. D. and Knesel, K. M. (2007). 40 Ar/39 Ar constraints on the timing of Oligocene intraplate volcanism in southeast Queensland. Australian Journal of Earth Sciences, 54 (1), 105-125. doi: 10.1080/08120090600981483
2007
Conference Publication
The relative tempo of weathering and erosion controls supergene metal accumulation
Vasconcelos, P. M. (2007). The relative tempo of weathering and erosion controls supergene metal accumulation. 17th Annual V M Goldschmidt Conference, Cologne, Germany, 24 August 2007. Oxford, England: Pergamon-Elsevier Science Ltd. doi: 10.1016/j.gca.2007.06.028
2007
Journal Article
The origin of post-Paleozoic magmatism in eastern Paraguay
Comin-Chiaramonti P., Marzoli A., De Barros Gomes C., Milan A., Riccomini C., Velazquez V.F., Mantovani M.M.S., Renne P., Tassinari C.C.G. and Vasconcelos P.M. (2007). The origin of post-Paleozoic magmatism in eastern Paraguay. Special Paper of the Geological Society of America, 430, 603-633. doi: 10.1130/2007.2430(29)
2007
Conference Publication
Caracterização Estrutural da Zona de Cisalhamento Poço Cercado, Domínio Ceará Central (NE do Brasil): Evidências de Reativação Fanerozóica
Cunha, F. S. S., Silva, F. C. A., Souza, Z. S. and Vasconcelos, P. M. P. (2007). Caracterização Estrutural da Zona de Cisalhamento Poço Cercado, Domínio Ceará Central (NE do Brasil): Evidências de Reativação Fanerozóica. XI Simposio Nacional de Estudos Tectonicos/V International Symposium on Tectonics of the SBG, Natal, Brazil, 2007. Natal, Brazil: Sociedade Brasileira de Geologia.
2007
Journal Article
Dating paleochannel iron ore by (U-Th)/He analysis of supergene goethite, Hamersley province, Australia: Reply
Vasconcelos, P. M., Heim, J. A., Farley, K. A., Shuster, D. L. and Broadbent, G. (2007). Dating paleochannel iron ore by (U-Th)/He analysis of supergene goethite, Hamersley province, Australia: Reply. Geology, 35 (1). doi: 10.1130/G23755Y.1
2007
Conference Publication
Geocronologia (U/Pb SHRIMP, Ar/Ar) e anisotropia de suscetibilidade magnetica (ASM) do batolito de Teixeira-PB, Provincia Borborema
Archanjo, C. J., Hollanda, M. H. B. M., Macedo, J. W. P., Armstrong, R, Nutman, A. P. and Vasconcelos, Paulo M. D. P. (2007). Geocronologia (U/Pb SHRIMP, Ar/Ar) e anisotropia de suscetibilidade magnetica (ASM) do batolito de Teixeira-PB, Provincia Borborema. XI Simposio Nacional de Estudos Tectonicos/V International Symposium on Tectonics of the SBG, Natal, Brazil, 2007.
2007
Journal Article
Timing and duration of supergene mineralization at the Xinrong manganese deposit, western Guangdong Province, South China: cryptomelane Ar-40/Ar-39 dating
Li, Jian-Wei, Vasconcelos, Paulo, Zhang, Wei, Deng, Xiao-Dong, Duzgoren-Aydin, Nurdan, Yan, Dai-Rong, Zhang, Jian-Qiang and Hu, Ming-An (2007). Timing and duration of supergene mineralization at the Xinrong manganese deposit, western Guangdong Province, South China: cryptomelane Ar-40/Ar-39 dating. Mineralium Deposita, 42 (4), 361-383. doi: 10.1007/s00126-006-0118-y
Funding
Current funding
Past funding
Supervision
Availability
- Professor Paulo Vasconcelos is:
- Available for supervision
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Supervision history
Current supervision
-
Master Philosophy
ORE DEPOSITION OVER GEOLOGICAL TIME
Principal Advisor
Other advisors: Associate Professor Carlos Spier
-
Doctor Philosophy
Sulphide weathering in Antartica as a Mars analogue
Principal Advisor
Other advisors: Professor Jianxin Zhao
-
Doctor Philosophy
Halogens in mantle xenoliths as proxies for global volatile cycling
Associate Advisor
Other advisors: Professor Trevor Ireland, Associate Professor Mark Kendrick
-
Doctor Philosophy
Halogens in mantle xenoliths as proxies for global volatile cycling
Associate Advisor
Other advisors: Professor Trevor Ireland, Associate Professor Mark Kendrick
-
Doctor Philosophy
Investigating halogens in the mantle through mantle and mantle-derived rocks
Associate Advisor
Other advisors: Professor Trevor Ireland, Associate Professor Mark Kendrick
Completed supervision
-
2024
Doctor Philosophy
Evolution of the Surat Basin: Calibrating the chronostratigraphic framework of the Jurassic formations for coal seam gas appraisal
Principal Advisor
Other advisors: Honorary Professor Suzanne Hurter
-
2023
Doctor Philosophy
Combined Crystallographic, Crystallochemical, Stable Isotope, and Geochronological Techniques in the Analysis of Hematite
Principal Advisor
Other advisors: Associate Professor Teresa Ubide Garralda
-
2022
Doctor Philosophy
High-resolution 40Ar/39Ar geochronology of volcanic rocks from the Paraná Igneous Province, Brazil: implications for extrusion rates and magmatic emplacement processes
Principal Advisor
Other advisors: Associate Professor Teresa Ubide Garralda
-
2019
Doctor Philosophy
Quantifying 39Ar recoil and the diffusivity of argon in hypogene and supergene alunites and jarosites
Principal Advisor
Other advisors: Associate Professor Lutz Gross
-
2018
Doctor Philosophy
Temporal and petrogenetic constraints on age-progressive volcanism in eastern Australia
Principal Advisor
Other advisors: Associate Professor Teresa Ubide Garralda
-
2017
Doctor Philosophy
Paleoenvironmental Evolution of Continental Landscapes Through Combined High-Resolution Geochronology and d18O Ion Microprobe Analysis of Goethite
Principal Advisor
Other advisors: Professor Gordon Southam
-
2014
Doctor Philosophy
Noble Gas Geochronology and Geochemistry of Neoproterozoic Banded Iron-Formations
Principal Advisor
-
2014
Doctor Philosophy
Variations in Goethite Crystallography with Reference to the Ravensthorpe Ni-laterite
Principal Advisor
-
2013
Doctor Philosophy
Geochronology, geochemistry and petrogenesis of alkalic magmas at Fernando de Noronha, Brazil
Principal Advisor
-
2013
Doctor Philosophy
Mineral physics and crystal chemistry of minerals suitable for weathering geochronology: implications to 40Ar/39Ar and (U-Th)/He geochronology
Principal Advisor
-
2012
Doctor Philosophy
40Ar/39Ar and (U-Th)/He Dating of Weathered Landsurfaces on the Rifted Continental Margin of Southern Brazil
Principal Advisor
-
2010
Doctor Philosophy
Thermochronology, landscape evolution and denudational history of the eastern Borborema Province, northeastern Brazil
Principal Advisor
-
2006
Doctor Philosophy
40Ar/39Ar DATING OF YOUNG SUPERGENE MN-OXIDES: IMPLICATION ON LATE CAINOZOIC WEATHERING HISTORY AND LANDSCAPE EVOLUTION, MARY VALLEY, SOUTHEAST QUEENSLAND, AUSTRALIA
Principal Advisor
-
2005
Doctor Philosophy
WEATHERING GEOCHEMISTRY AND GEOCHRONOLOGY OF THE AUSTRALIAN SEDIMENTARY-HOSTED OPAL DEPOSITS
Principal Advisor
-
Doctor Philosophy
GEOCHRONOLOGY OF WEATHERING AND LANDSCAPE EVOLUTION, HAMERSLEY IRON PROVINCE, AUSTRALIA
Principal Advisor
-
2007
Doctor Philosophy
HIGH-RESOLUTION 40AR/39AR GEOCHRONOLOGY OF INTRAPLATE VOLCANISM IN EASTERN AUSTRALIA
Joint Principal Advisor
-
2022
Doctor Philosophy
Magmatic and Geodynamic Constraints on Cenozoic Age-Progressive Volcanism in Eastern Australia
Associate Advisor
Other advisors: Associate Professor Teresa Ubide Garralda
-
2020
Doctor Philosophy
Development of ferruginous duricrusts (canga) in tropical iron ore systems
Associate Advisor
Other advisors: Professor Gordon Southam
-
2019
Doctor Philosophy
Selective colonisation of metal sulphides and the effect of bioleaching
Associate Advisor
Other advisors: Professor Gordon Southam
-
2018
Doctor Philosophy
Evolution and migration of Cenozoic Australia: Precision 40Ar/39Ar geochronology, geochemistry and paleomagnetic data from east Australian Cenozoic magmas.
Associate Advisor
-
2013
Doctor Philosophy
Origin and Evolution of the New England Oroclines, Eastern Australia
Associate Advisor
Other advisors: Professor Gideon Rosenbaum
-
2011
Doctor Philosophy
Characterising the multi-component sources of subduction zone magmas: A geochemical study of submarine volcanoes and active spreading centres, Vanuatu
Associate Advisor
-
2007
Doctor Philosophy
INVESTIGATIONS INTO THE CRUSTAL-PROCESSING OF MAGMAS AT THE TATARA-SAN PEDRO VOLCANIC COMPLEX, CHILEAN ANDES
Associate Advisor
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