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  5.     <title>UTas ePrints - Linking mineral and fluid inclusion paragenetic studies: The Batman deposit, Mt. Todd (Yimuyn Manjerr)goldfield, Australia</title>
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  13.     <meta content="Hein, K.A.A." name="eprints.creators_name" />
  14. <meta content="Zaw, K." name="eprints.creators_name" />
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  23. <meta content="Linking mineral and fluid inclusion paragenetic studies:
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  29. <meta content="Gold, Bismuth, Mineralization, Laser Raman spectroscopy, Northern Territory " name="eprints.keywords" />
  30. <meta content="The quartz-sulphide vein system of the Batman deposit at the Mt. Todd Mine, Australia, formed during east-west extension of a north-northeasterly trending structure system, early in D2 during retrograde contact metamorphism associated with cooling of the Tennysons leucogranite. Four distinct fluid inclusion types have been identified in gold-bearing quartz-sulphide veins of the deposit: (Type I) low to moderate salinity aqueous primary inclusions (1 to 20 wt.% NaCl equivalent) with small amounts of CO2; (Type II) high salinity Na-Ca-Cl aqueous secondary inclusions (35 to 50 wt.% total NaCl-CaCl2), containing halite, carbonate and trona daughter minerals, and minor CO2-CH4 vapour; (Type III) liquid and vapour secondary fluid inclusions (28
  31. to 34 or 17 to 18 wt.% NaCl equivalent) with CH4 vapour and discrete gold and bismuth grains and associated growth zones; (Type IV) vapour-rich CO2F(CH4) secondary inclusions with minor NaCl liquid (N 20 wt.% NaCl equivalent). A consistency in bulk fluid composition suggests a common parent fluid and a common parent source for the fluid inclusions.
  32. Previous paragenetic and textural studies have established a sequence in sulphide and silicate precipitation. The mineral paragenesis has been linked to the trapping chronology of Types I-IV fluid inclusions in order to constrain the fluid conditions during (micro)-tectonism and the mineralising process. The link is possible because two mineral phases exhibit a temporal genetic relationship with the formation of fluid inclusions: (1) Growth zones in simple open space quartz fill contain tourmaline
  33. crystals in intimate association with Type I liquid-vapour fluid inclusions; (2) Gold is intimately associated with bismuth in Type III vapour-liquid fluid inclusions, either as discrete inclusions within the trails, or wetting the inclusions. The progressive change in the composition of Types I-IV is consistent with the evolution of a retrograde contact metamorphic fluid in wall rock lithologies." name="eprints.abstract" />
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  43. <meta content="Ahmad, M., Wygralak, A.S., Ferenczi, P.A., 1999. Gold Deposits of the Northern Territory. Report-Northern Territory Geological Survey, vol. 11. Darwin, Australia. 95 pp.
  44. Angino, E.E., 1979. Geochemistry of bismuth. In: Angino, E.E., Long, D.T. (Eds.), Benchmark Papers in Geology, vol. 49.
  45. Hutchinson Ross Publishing Company, USA, pp. 3-10.
  46. Anonymous, 2001. Northern Territory Closed and Mothballed
  47. Mines. Department of Business, Industry and Resource Development, Northern Territory Government, Australia. Department of Mines and Energy, web posting, November 16,
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  49. Bennett, D.G., Barker, A.J., 1992. High salinity fluids: the results of retrograde metamorphism in thrust zones. Geochimica et Cosmochimica Acta 56, 81-95.
  50. Bodnar, R.J., 1993. Revised equation and table for determining the freezing point depression of H2O-NaCl solutions. Geochimica et Cosmochimica Acta 57, 683-684.
  51. Bodnar, R.J., Reynolds, T.J., Kuelin, C.A., 1985. Fluid inclusion systematics in epithermal systems. In: Berger, B.R., Bethke, P.M. (Eds.), Geology and Geochemistry of Epithermal Systems. Reviews in Economic Geology, vol. 2, pp. 73-77.
  52. Bowers, T.S., Helgeson, H.C., 1983a. Calculations of the thermodynamic and geochemical consequences of nonideal mixing in the system H2O-CO2-NaCl on phase relations in geologic systems: equations of state for H2O-CO2-NaCl fluids at high pressure and temperature. Geochimica et Cosmochimica Acta 47, 1247-1275.
  53. Bowers, T.S., Helgeson, H.C., 1983b. Calculations of the thermodynamic consequences of nonideal mixing in the system H2O-CO2-NaCl on phase relations in geologic systems: metamorphic equilibria at high pressures and temperatures. American Mineralogist 68, 1059-1075.
  54. Bozzo, A.T., Chen, Hsiao-Shen, Kass, J.R., Barduhn, A.J., 1975. The properties of hydrates of chlorine and carbon dioxide. Desalination 16, 303-320.
  55. Burke, E.A.J., 2001. Raman microspectrometry of fluid inclusions. Lithos 55, 139-158.
  56. Burruss, R.L., 1981. Phase equilibria in C-O-H-S fluid inclusions. In: Hollister, L.S., Crawford, M.L. (Eds.), Fluid Inclusions: Applications to Petrology. Mineralogical Association of Canada Short Course Handbook, vol. 6, pp. 39-74.
  57. Chou, T.-Ming, Pasteris, J.D., Seitz, J.C., 1990. High-density volatiles in the system C-O-H-N for the calibration of a laser Raman microprobe. Geochimica et Cosmochimica Acta 54, 535-543.
  58. Cox, S.F., Etheridge, M.A., 1983. Crack-seal fibre growth mechanisms and their significance in the development of oriented layer silicate microstructures. Tectonophysics 92, 147-170.
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  61. Crawford, M.L., Filer, J., Wood, C., 1979a. Saline fluid in inclusions associated with retrograde metamorphism. Bulletin of Mineralogy 102, 562-568.
  62. Crawford, M.L., Kraus, D.W., Hollister, L.S., 1979b. Petrologic and fluid inclusion study of calc-silicate rocks, Prince Rupert. British Columbia American Journal of Science 9, 1135-1159.
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  73. Hedenquist, J.W., Henley, R.W., 1985. The importance of CO2 on freezing point measurements of fluid inclusions; evidence from active geothermal systems and implications for epithermal ore deposition. Economic Geology 80, 1379-1406.
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  122. Wilkinson, J.J., 2001. Fluid inclusions in hydrothermal ore deposits. Lithos 55, 229-272." name="eprints.referencetext" />
  123. <meta content="Hein, K.A.A. and Zaw, K. and Mernagh, T.P. (2006) Linking mineral and fluid inclusion paragenetic studies: The Batman deposit, Mt. Todd (Yimuyn Manjerr)goldfield, Australia. Ore Geology Reviews, 28 . pp. 180-200." name="eprints.citation" />
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  133. <meta content="The quartz-sulphide vein system of the Batman deposit at the Mt. Todd Mine, Australia, formed during east-west extension of a north-northeasterly trending structure system, early in D2 during retrograde contact metamorphism associated with cooling of the Tennysons leucogranite. Four distinct fluid inclusion types have been identified in gold-bearing quartz-sulphide veins of the deposit: (Type I) low to moderate salinity aqueous primary inclusions (1 to 20 wt.% NaCl equivalent) with small amounts of CO2; (Type II) high salinity Na-Ca-Cl aqueous secondary inclusions (35 to 50 wt.% total NaCl-CaCl2), containing halite, carbonate and trona daughter minerals, and minor CO2-CH4 vapour; (Type III) liquid and vapour secondary fluid inclusions (28
  134. to 34 or 17 to 18 wt.% NaCl equivalent) with CH4 vapour and discrete gold and bismuth grains and associated growth zones; (Type IV) vapour-rich CO2F(CH4) secondary inclusions with minor NaCl liquid (N 20 wt.% NaCl equivalent). A consistency in bulk fluid composition suggests a common parent fluid and a common parent source for the fluid inclusions.
  135. Previous paragenetic and textural studies have established a sequence in sulphide and silicate precipitation. The mineral paragenesis has been linked to the trapping chronology of Types I-IV fluid inclusions in order to constrain the fluid conditions during (micro)-tectonism and the mineralising process. The link is possible because two mineral phases exhibit a temporal genetic relationship with the formation of fluid inclusions: (1) Growth zones in simple open space quartz fill contain tourmaline
  136. crystals in intimate association with Type I liquid-vapour fluid inclusions; (2) Gold is intimately associated with bismuth in Type III vapour-liquid fluid inclusions, either as discrete inclusions within the trails, or wetting the inclusions. The progressive change in the composition of Types I-IV is consistent with the evolution of a retrograde contact metamorphic fluid in wall rock lithologies." name="DC.description" />
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  250.     <h1 class="ep_tm_pagetitle">Linking mineral and fluid inclusion paragenetic studies: The Batman deposit, Mt. Todd (Yimuyn Manjerr)goldfield, Australia</h1>
  251.     <p style="margin-bottom: 1em" class="not_ep_block"><span class="person_name">Hein, K.A.A.</span> and <span class="person_name">Zaw, K.</span> and <span class="person_name">Mernagh, T.P.</span> (2006) <xhtml:em>Linking mineral and fluid inclusion paragenetic studies: The Batman deposit, Mt. Todd (Yimuyn Manjerr)goldfield, Australia.</xhtml:em> Ore Geology Reviews, 28 . pp. 180-200.</p><p style="margin-bottom: 1em" class="not_ep_block"></p><table style="margin-bottom: 1em" class="not_ep_block"><tr><td valign="top" style="text-align:center"><a href="http://eprints.utas.edu.au/1309/1/Hein%2C_Zaw_et_al_2006.pdf"><img alt="[img]" src="http://eprints.utas.edu.au/style/images/fileicons/application_pdf.png" border="0" class="ep_doc_icon" /></a></td><td valign="top"><a href="http://eprints.utas.edu.au/1309/1/Hein%2C_Zaw_et_al_2006.pdf"><span class="ep_document_citation">PDF</span></a> - Full text restricted - Requires a PDF viewer<br />498Kb</td><td><form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/request_doc"><input value="1703" name="docid" accept-charset="utf-8" type="hidden" /><div class=""><input value="Request a copy" name="_action_null" class="ep_form_action_button" onclick="return EPJS_button_pushed( '_action_null' )" type="submit" /> </div></form></td></tr></table><p style="margin-bottom: 1em" class="not_ep_block">Official URL: <a href="http://dx.doi.org/10.1016/j.oregeorev.2005.05.001">http://dx.doi.org/10.1016/j.oregeorev.2005.05.001</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">The quartz-sulphide vein system of the Batman deposit at the Mt. Todd Mine, Australia, formed during east-west extension of a north-northeasterly trending structure system, early in D2 during retrograde contact metamorphism associated with cooling of the Tennysons leucogranite. Four distinct fluid inclusion types have been identified in gold-bearing quartz-sulphide veins of the deposit: (Type I) low to moderate salinity aqueous primary inclusions (1 to 20 wt.% NaCl equivalent) with small amounts of CO2; (Type II) high salinity Na-Ca-Cl aqueous secondary inclusions (35 to 50 wt.% total NaCl-CaCl2), containing halite, carbonate and trona daughter minerals, and minor CO2-CH4 vapour; (Type III) liquid and vapour secondary fluid inclusions (28&#13;
  252. to 34 or 17 to 18 wt.% NaCl equivalent) with CH4 vapour and discrete gold and bismuth grains and associated growth zones; (Type IV) vapour-rich CO2F(CH4) secondary inclusions with minor NaCl liquid (N 20 wt.% NaCl equivalent). A consistency in bulk fluid composition suggests a common parent fluid and a common parent source for the fluid inclusions.&#13;
  253. Previous paragenetic and textural studies have established a sequence in sulphide and silicate precipitation. The mineral paragenesis has been linked to the trapping chronology of Types I-IV fluid inclusions in order to constrain the fluid conditions during (micro)-tectonism and the mineralising process. The link is possible because two mineral phases exhibit a temporal genetic relationship with the formation of fluid inclusions: (1) Growth zones in simple open space quartz fill contain tourmaline&#13;
  254. crystals in intimate association with Type I liquid-vapour fluid inclusions; (2) Gold is intimately associated with bismuth in Type III vapour-liquid fluid inclusions, either as discrete inclusions within the trails, or wetting the inclusions. The progressive change in the composition of Types I-IV is consistent with the evolution of a retrograde contact metamorphic fluid in wall rock lithologies.</p></div><table style="margin-bottom: 1em" border="0" cellpadding="3" class="not_ep_block"><tr><th valign="top" class="ep_row">Item Type:</th><td valign="top" class="ep_row">Article</td></tr><tr><th valign="top" class="ep_row">Keywords:</th><td valign="top" class="ep_row">Gold, Bismuth, Mineralization, Laser Raman spectroscopy, Northern Territory </td></tr><tr><th valign="top" class="ep_row">Subjects:</th><td valign="top" class="ep_row"><a href="http://eprints.utas.edu.au/view/subjects/260100.html">260000 Earth Sciences &gt; 260100 Geology</a><br /><a href="http://eprints.utas.edu.au/view/subjects/260000.html">260000 Earth Sciences</a></td></tr><tr><th valign="top" class="ep_row">Collections:</th><td valign="top" class="ep_row">UNSPECIFIED</td></tr><tr><th valign="top" class="ep_row">ID Code:</th><td valign="top" class="ep_row">1309</td></tr><tr><th valign="top" class="ep_row">Deposited By:</th><td valign="top" class="ep_row"><span class="ep_name_citation"><span class="person_name">Mrs Katrina Keep</span></span></td></tr><tr><th valign="top" class="ep_row">Deposited On:</th><td valign="top" class="ep_row">05 Jul 2007</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">30 Jan 2008 15:26</td></tr><tr><th valign="top" class="ep_row">ePrint Statistics:</th><td valign="top" class="ep_row"><a target="ePrintStats" href="/es/index.php?action=show_detail_eprint;id=1309;">View statistics for this ePrint</a></td></tr></table><p align="right">Repository Staff Only: <a href="http://eprints.utas.edu.au/cgi/users/home?screen=EPrint::View&amp;eprintid=1309">item control page</a></p>
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