Dating paleochannel iron ore by (U-Th)/He analysis of supergene goethite, Hamersley province, Australia

Geology

Volumn 34, Issue 3, 2006, Pages 173-176

  Heim, Jonathan A ^a   Vasconcelos, Paulo M ^a   Shuster, David L ^b,c   Farley, Kenneth A ^b   Broadbent, G ^d  

^a UNIVERSITY OF QUEENSLAND   (Australia)

^b CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

^c BERKELEY GEOCHRONOLOGY CENTER   (United States)

^d Rio Tinto Exploration Pty Ltd   (Australia)

Author keywords

(U Th) He dating; Channel iron deposits; Goethite; Iron ore; Weathering geochronology

Indexed keywords

CHANNEL IRON DEPOSITS; GOETHITE; WEATHERING GEOCHRONOLOGY; (U-TH)/HE DATING; ARIDIFICATION; MARTIAN REGOLITH; OXYHYDROXIDES; STRONG CORRELATION; WATER TABLE DRAWDOWN; WESTERN AUSTRALIA;

DIFFUSION IN SOLIDS; HELIUM; IRON ORES; PRECIPITATION (CHEMICAL); SEDIMENTS; WEATHERING; DEPOSITS; GEOCHRONOLOGY; GROUNDWATER; IRON COMPOUNDS; IRON DEPOSITS; ORE ANALYSIS; WATER LEVELS;

GEOCHRONOLOGY; ECONOMIC GEOLOGY;

GOETHITE; IRON ORE; WEATHERING; ARIDIFICATION; DRAWDOWN; FLUVIAL DEPOSIT; GEOCHRONOLOGY; HELIUM; MARTIAN ATMOSPHERE; NEOGENE; PALEOCHANNEL; REGOLITH; SUPERGENE PROCESS; THORIUM; URANIUM; WATER TABLE;

AUSTRALIA; HAMERSLEY BASIN; WESTERN AUSTRALIA;

EID: 33645240280     PISSN: 00917613     EISSN: 00917613     Source Type: Journal    
DOI: 10.1130/G22003.1     Document Type: Article

References (14)

1. 39Ar geochronology constraints on late Miocene weathering rates in Minas Gerais, Brazil: Earth and Planetary Science Letters, v. 241, p. 80-94.
2. Farley, K.A., 2002, (U-Th)/He dating: Techniques, Calibrations, and Applications, in Porcelli, D., et al., eds., Reviews in mineralogy and geochemistry: Noble gases in geochemistry and cosmochemistry, Volume 47: Washington, Mineralogical Society of America, p. 819-844.
3. Farley, K.A., Reiners, P.W., and Nenow, V., 1999, An apparatus for high precision helium diffusion measurements from minerals: Analytical Chemistry, v. 71, p. 2059-2061, doi: 10.1021/ac9813078.
4. 4He dating: Neues Jahrbuch für Mineralogie-Monatshefte, v. 11, p. 505-528.
5. MacPhail, M.K., and Stone, M.S., 2004, Age and palaeoenvironmental constraints on the genesis of the Yandi channel iron deposits, Marillana Formation, Pilbara, northwestern Australia: Australian Journal of Earth Sciences, v. 51, p. 497-520, doi: 10.1111/j.14000952.2004.01071.x.
6. McGowran, B., Li, Q., Cann, J., Padley, D., McKirdy, D.M., and Shafik, S., 1997, Biogeographic impact of the Leeuwin Current in southern Australia since the late middle Eocene: Palaeogeography, Palaeoclimatology, Palaeoecology, v. 136, p. 19-40, doi: 10.1016/ S0031-0182(97)00073-4.
7. Morris, R.C., Ramanaidou, E.R., and Horwitz, R.C., 1993, Channel iron deposits of the Hamersley province: Commonwealth Scientific and Industrial Research Organisation Exploration and Mining Restricted Report 399R.
8. Ramanaidou, E.R., Morris, R.C., and Horwitz, R.C., 2003, Channel iron deposits of the Hamersley province, Western Australia: Australian Journal of Earth Sciences, v. 50, p. 669-690, doi: 10.1111/ j.1440-0952.2003.01019.x.
9. Schulze, D.G., and Schwertmann, U., 1984, The influence of aluminum on iron-oxides, X: Properties of Al-substituted goethites: Clay Minerals, v. 19, p. 521-539.
10. 3He: Earth and Planetary Science Letters, v. 217, p. 19-32, doi: 10.1016/S0012821X(03)00594-6.
11. Shuster, D.L., Vasconcelos, P.M., Heim, J.A., and Farley, K.A., 2005, Weathering geochronology by (U-Th)/He dating of goethite: Geochimica et Cosmochimica Acta, v. 69, p. 659-673, doi: 10.1016/j.gca.2004.07.028.
12. Vasconcelos, P.M., and Conroy, M., 2003, Geochronotogy of weathering and landscape evolution, Dugald River valley, NW Queensland, Australia: Geochimica et Cosmochimica Acta, v. 67, p. 2913-2930, doi: 10.1016/ S0016-7037(02)01372-8.
13. Veevers, J.J., Powell, C.M., and Roots, S.R., 1991, Review of sea-floor spreading around Australia, I: Synthesis of the patterns of spreading: Australian Journal of Earth Sciences, v. 38, p. 373-389.
14. Wopfner, H., 1983, Kaolinisation and the formation of silicified wood on Late Jurassic Gondwana surfaces, in Wilson, R.C.L., ed., Residual deposits: Surface related weathering processes and materials, Volume 11: London, Geological Society of London, p. 27-31.