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  5.     <title>UTas ePrints - Geochemistry and tectonic settings of meta-igneous rocks in the Arthur Lineament and surrounding area, northwest Tasmania</title>
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  13.     <meta content="Holm, O.H." name="eprints.creators_name" />
  14. <meta content="Crawford, A.J." name="eprints.creators_name" />
  15. <meta content="Berry, R.F." name="eprints.creators_name" />
  16. <meta content="Oliver.Holm@ga.gov.au" name="eprints.creators_id" />
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  23. <meta content="Geochemistry and tectonic settings of meta-igneous
  24. rocks in the Arthur Lineament and surrounding area,
  25. northwest Tasmania" name="eprints.title" />
  26. <meta content="pub" name="eprints.ispublished" />
  27. <meta content="260300" name="eprints.subjects" />
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  29. <meta content="Arthur Lineament, Cambrian, geochemistry, igneous rocks, Neoproterozoic, rifts, Rodinia, Tasmania" name="eprints.keywords" />
  30. <meta content="Definitive version is available online at http://www.informaworld.com/smpp/title~content=t716100753" name="eprints.note" />
  31. <meta content="The Arthur Lineament is a Cambrian age high-strain metamorphic belt that transects northwestern
  32. Tasmania and forms the eastern margin of the Mesoproterozoic and Neoproterozoic Rocky Cape
  33. Block. It formed as a result of Middle Cambrian arc–continent collision, and is composed of both
  34. allochthonous slices (Bowry Formation and Reece amphibolite), the para-autochthonous ‘eastern’
  35. Ahrberg Group and the autochthonous ‘western’ Ahrberg Group. Amphibolites and mafic schists of
  36. the ‘eastern’ Ahrberg Group rocks show a temporal change in composition from transitional alkaline
  37. basalt to dominant E-MORB-type rift tholeiites, whereas the ‘western’ Ahrberg Group metabasic rocks
  38. are typical E-MORB rift tholeiites. The lithostratigraphy of the Ahrberg Group matches very well that of
  39. the Upper Neoproterozoic (650–580 Ma) Togari Group of the Smithton Trough and King Island. In
  40. contrast, amphibolites of the allochthonous Bowry Formation, which also show E-MORB-type patterns
  41. typical of rift-type tholeiites, are intruded by granitoid sheets dated at 777
  42. ±
  43. 7 Ma, similar to the
  44. Precambrian granites exposed on King Island (760
  45. ±
  46. 12 Ma). The Bowry Formation granitoids have
  47. distinctive high Ti, Zr, Nb compositions best matched by granites produced by extended fractionation
  48. of rift basalts with significant crustal assimilation. This suggests that the Bowry Formation metabasic
  49. rocks may correlate with the Willouran flood basalts in South Australia, and together record the
  50. ca
  51. 780 Ma breakup event hypothesised to mark the breakup of the Rodinian supercontinent." name="eprints.abstract" />
  52. <meta content="2003-12" name="eprints.date" />
  53. <meta content="published" name="eprints.date_type" />
  54. <meta content="Australian Journal of Earth Sciences" name="eprints.publication" />
  55. <meta content="50" name="eprints.volume" />
  56. <meta content="6" name="eprints.number" />
  57. <meta content="903-918" name="eprints.pagerange" />
  58. <meta content="10.1111/j.1400-0952.2003.01033.x" name="eprints.id_number" />
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  60. <meta content="0812-0099" name="eprints.issn" />
  61. <meta content="http://dx.doi.org/10.1111/j.1400-0952.2003.01033.x" name="eprints.official_url" />
  62. <meta content="ADAMS C. J., BLACK L. P., CORBETT K. D. &amp; GREEN G. R. 1985. Reconnaissance
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  64. Early Palaeozoic and Late Proterozoic sequences in Western
  65. Tasmania. Australian Journal of Earth Sciences 32, 7–36.
  66. BAKER B. H., GOLES G. G., LEEMAN W. P. &amp; LINDSTROM M. M. 1977.
  67. Geochemistry and petrogenesis of a basalt-benmoreite–trachyte
  68. suite from the southern part of the Gregory Rift, Kenya. Contributions
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  70. BERRY R. F., JENNER G. A., MEFFRE S. &amp; TUBRETT M. N. 2001. A North
  71. American provenance for Neoproterozoic to Cambrian sandstones
  72. in Tasmania. Earth and Planetary Science Letters 192,
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  74. BLACKNEY P. J. C. 1982. Metamorphic petrology of S.W. King Island.
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  76. BOYNTON W. V. 1984. Geochemistry of the rare earth elements:
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  137. where is it, and is it Australia’s Rodinian breakup boundary?
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  140. sequences preserved in southeastern Australia—a 600 Ma volcanic
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  155. grain U–Pb zircon analyses for the early Adelaidean Rook
  156. Tuff, Willouran Ranges, South Australia. Geological Society of
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  158. FODEN J. D. 1973. The geochemistry of Cambrian spilites from western
  159. Tasmania. BSc (Hons) thesis, University of Tasmania, Hobart
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  161. FODEN J. D., BAROVICH K., JANE M. &amp; O’HALLORAN G. 2001. Sr-isotopic
  162. evidence for late Neoproterozoic rifting in the Adelaide Geosyncline
  163. at 586 Ma; implications for a Cu ore forming fluid flux.
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  165. GREEN T. H. &amp; SPILLER A. R. 1977. Blue amphibole from Precambrian
  166. metabasalts, Savage River, Tasmania. American Mineralogist 62,
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  168. GRESHAM J. J. 1972. The regional geology of King Island. Geopeko Ltd,
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  171. Smithton Basin. BSc (Hons) thesis, University of Tasmania,
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  173. HOLM O. H. 2002. Structural and metamorphic evolution of the Arthur
  174. Lineament, northwestern Tasmania, Australia. PhD thesis, University
  175. of Tasmania, Hobart (unpubl.).
  176. HOLM O. H. &amp; BERRY R. F. 2002. Structural history of the Arthur
  177. Lineament, northwest Tasmania, Australia: an analysis of
  178. critical outcrops. Australian Journal of Earth Sciences 49,
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  180. HOLM O. H., BERRY R. F. &amp; STEELE D. A. 2001. Defining Tasmania’s
  181. deformation history—geochronology of metamorphic monazites.
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  183. JENNINGS D. J. &amp; COX S. F. 1978. King Island – Flinders Island
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  185. Hobart.
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  298. Planetary Science Letters 121, 349–367." name="eprints.referencetext" />
  299. <meta content="Holm, O.H. and Crawford, A.J. and Berry, R.F. (2003) Geochemistry and tectonic settings of meta-igneous rocks in the Arthur Lineament and surrounding area, northwest Tasmania. Australian Journal of Earth Sciences, 50 (6). pp. 903-918. ISSN 0812-0099" name="eprints.citation" />
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  302. <meta content="Geochemistry and tectonic settings of meta-igneous
  303. rocks in the Arthur Lineament and surrounding area,
  304. northwest Tasmania" name="DC.title" />
  305. <meta content="Holm, O.H." name="DC.creator" />
  306. <meta content="Crawford, A.J." name="DC.creator" />
  307. <meta content="Berry, R.F." name="DC.creator" />
  308. <meta content="260300 Geochemistry" name="DC.subject" />
  309. <meta content="The Arthur Lineament is a Cambrian age high-strain metamorphic belt that transects northwestern
  310. Tasmania and forms the eastern margin of the Mesoproterozoic and Neoproterozoic Rocky Cape
  311. Block. It formed as a result of Middle Cambrian arc–continent collision, and is composed of both
  312. allochthonous slices (Bowry Formation and Reece amphibolite), the para-autochthonous ‘eastern’
  313. Ahrberg Group and the autochthonous ‘western’ Ahrberg Group. Amphibolites and mafic schists of
  314. the ‘eastern’ Ahrberg Group rocks show a temporal change in composition from transitional alkaline
  315. basalt to dominant E-MORB-type rift tholeiites, whereas the ‘western’ Ahrberg Group metabasic rocks
  316. are typical E-MORB rift tholeiites. The lithostratigraphy of the Ahrberg Group matches very well that of
  317. the Upper Neoproterozoic (650–580 Ma) Togari Group of the Smithton Trough and King Island. In
  318. contrast, amphibolites of the allochthonous Bowry Formation, which also show E-MORB-type patterns
  319. typical of rift-type tholeiites, are intruded by granitoid sheets dated at 777
  320. ±
  321. 7 Ma, similar to the
  322. Precambrian granites exposed on King Island (760
  323. ±
  324. 12 Ma). The Bowry Formation granitoids have
  325. distinctive high Ti, Zr, Nb compositions best matched by granites produced by extended fractionation
  326. of rift basalts with significant crustal assimilation. This suggests that the Bowry Formation metabasic
  327. rocks may correlate with the Willouran flood basalts in South Australia, and together record the
  328. ca
  329. 780 Ma breakup event hypothesised to mark the breakup of the Rodinian supercontinent." name="DC.description" />
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  443.     <h1 class="ep_tm_pagetitle">Geochemistry and tectonic settings of meta-igneous rocks in the Arthur Lineament and surrounding area, northwest Tasmania</h1>
  444.     <p style="margin-bottom: 1em" class="not_ep_block"><span class="person_name">Holm, O.H.</span> and <span class="person_name">Crawford, A.J.</span> and <span class="person_name">Berry, R.F.</span> (2003) <xhtml:em>Geochemistry and tectonic settings of meta-igneous rocks in the Arthur Lineament and surrounding area, northwest Tasmania.</xhtml:em> Australian Journal of Earth Sciences, 50 (6). pp. 903-918. ISSN 0812-0099</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/2058/1/Holm.Crawford.Berry.AJES.2003.pdf"><img alt="[img]" src="http://eprints.utas.edu.au/style/images/fileicons/application_pdf.png" class="ep_doc_icon" border="0" /></a></td><td valign="top"><a href="http://eprints.utas.edu.au/2058/1/Holm.Crawford.Berry.AJES.2003.pdf"><span class="ep_document_citation">PDF</span></a> - Full text restricted - Requires a PDF viewer<br />2634Kb</td><td><form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/request_doc"><input accept-charset="utf-8" value="2597" name="docid" 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/10.1111/j.1400-0952.2003.01033.x">http://dx.doi.org/10.1111/j.1400-0952.2003.01033.x</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">The Arthur Lineament is a Cambrian age high-strain metamorphic belt that transects northwestern&#13;
  445. Tasmania and forms the eastern margin of the Mesoproterozoic and Neoproterozoic Rocky Cape&#13;
  446. Block. It formed as a result of Middle Cambrian arc–continent collision, and is composed of both&#13;
  447. allochthonous slices (Bowry Formation and Reece amphibolite), the para-autochthonous ‘eastern’&#13;
  448. Ahrberg Group and the autochthonous ‘western’ Ahrberg Group. Amphibolites and mafic schists of&#13;
  449. the ‘eastern’ Ahrberg Group rocks show a temporal change in composition from transitional alkaline&#13;
  450. basalt to dominant E-MORB-type rift tholeiites, whereas the ‘western’ Ahrberg Group metabasic rocks&#13;
  451. are typical E-MORB rift tholeiites. The lithostratigraphy of the Ahrberg Group matches very well that of&#13;
  452. the Upper Neoproterozoic (650–580 Ma) Togari Group of the Smithton Trough and King Island. In&#13;
  453. contrast, amphibolites of the allochthonous Bowry Formation, which also show E-MORB-type patterns&#13;
  454. typical of rift-type tholeiites, are intruded by granitoid sheets dated at 777&#13;
  455. ±&#13;
  456. 7 Ma, similar to the&#13;
  457. Precambrian granites exposed on King Island (760&#13;
  458. ±&#13;
  459. 12 Ma). The Bowry Formation granitoids have&#13;
  460. distinctive high Ti, Zr, Nb compositions best matched by granites produced by extended fractionation&#13;
  461. of rift basalts with significant crustal assimilation. This suggests that the Bowry Formation metabasic&#13;
  462. rocks may correlate with the Willouran flood basalts in South Australia, and together record the&#13;
  463. ca&#13;
  464. 780 Ma breakup event hypothesised to mark the breakup of the Rodinian supercontinent.</p></div><table style="margin-bottom: 1em" cellpadding="3" class="not_ep_block" border="0"><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">Additional Information:</th><td valign="top" class="ep_row">Definitive version is available online at http://www.informaworld.com/smpp/title~content=t716100753</td></tr><tr><th valign="top" class="ep_row">Keywords:</th><td valign="top" class="ep_row">Arthur Lineament, Cambrian, geochemistry, igneous rocks, Neoproterozoic, rifts, Rodinia, Tasmania</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/260300.html">260000 Earth Sciences &gt; 260300 Geochemistry</a></td></tr><tr><th valign="top" class="ep_row">ID Code:</th><td valign="top" class="ep_row">2058</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">10 Oct 2007 03:58</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">09 Jan 2008 02:30</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=2058;">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=2058">item control page</a></p>
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