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- <meta content="Agnew, M.W." name="eprints.creators_name" />
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- <meta content="Facies architecture of the Lewis Ponds carbonate and
- volcanic-hosted massive sulfide deposits, central western
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- <meta content="dacite, Hill End Trough, Lewis Ponds, limestone, lithofacies associations, Mumbil Group,
- volcanic-hosted massive sulfide" name="eprints.keywords" />
- <meta content="Copyright 2004 Taylor & Francis. Reproduced in accordance with the publishers policy. The definitive published version is available online at: http://www.tandf.co.uk/journals/titles/08120099.asp" name="eprints.note" />
- <meta content="The Lewis Ponds carbonate and volcanic-hosted Zn–Pb–Cu–Ag–Au-rich massive sulfide deposits are
- located near the western margin of the Hill End Trough in the eastern Lachlan Fold Belt of New South
- Wales. Two stratabound massive sulfide zones, Main and Toms’ occur in a tightly folded Upper Silurian
- succession of marine felsic volcanic and sedimentary rocks. Siltstone, mudstone and quartz crystalrich
- sandstone overlie thick, tabular beds of poorly sorted mixed-provenance breccia, limestone-clast
- breccia and pebbly granular sandstone. The sedimentary rocks unconformably overlie a succession
- of strongly foliated, quartz–plagioclase–phyric dacite. Hydrothermal alteration and deformation have
- obscured primary textures and contact relationships in the footwall volcanic succession. However,
- three lithofacies associations were distinguished using phenocryst abundance, overall texture and
- immobile element compositions. Thick (up to 100 m) conformable or fault-bound units of poorly sorted
- limestone-clast breccia, megabreccia and massive limestone occur throughout the Lewis Ponds host
- sequence. Clasts vary in size from small pebbles to 10 m-long boulders and 90 m-thick lenses. Where
- primary textures are preserved, the bioclastic limestone contains crinoid fragments, brachiopods,
- bivalves, solitary corals, volcanic quartz and feldspar crystals and rare Silurian conodonts. Although
- originally deposited in shallower water, the allochthonous limestone occurs in a host sequence of
- predominantly siltstone and mudstone. The mixed-provenance breccia, limestone-clast breccia,
- pebbly granular sandstone and quartz crystal-rich sandstone were deposited on the flanks of a highlevel
- intrusive dacite centre in a moderately deep, below wave-base slope environment. Volcanic
- and sedimentary components originated from multiple source areas at the basin margin and in the
- adjacent hinterland. The Lewis Ponds host sequence records a transition from coarse-grained polymictic
- volcaniclastic breccia and sandstone, upwards into mudstone, siltstone and minor volcanogenic
- sandstone, indicating deposition in a deepening, more restricted environment as volcanism
- waned and the basin progressively subsided." name="eprints.abstract" />
- <meta content="2004-06" name="eprints.date" />
- <meta content="published" name="eprints.date_type" />
- <meta content="Australian Journal of Earth Sciences" name="eprints.publication" />
- <meta content="51" name="eprints.volume" />
- <meta content="3" name="eprints.number" />
- <meta content="349-368" name="eprints.pagerange" />
- <meta content="10.1111/j.1400-0952.2004.01062.x" name="eprints.id_number" />
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- <meta content="AGNEW M. W. 2003. Geology and genesis of the Lewis Ponds
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- <meta content="Agnew, M.W. and Bull, S.W. and Large, R.R. (2004) Facies architecture of the Lewis Ponds carbonate and volcanic-hosted massive sulfide deposits, central western New South Wales. Australian Journal of Earth Sciences, 51 (3). pp. 349-368. ISSN 0812-0099" name="eprints.citation" />
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- <meta content="Facies architecture of the Lewis Ponds carbonate and
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- New South Wales" name="DC.title" />
- <meta content="Agnew, M.W." name="DC.creator" />
- <meta content="Bull, S.W." name="DC.creator" />
- <meta content="Large, R.R." name="DC.creator" />
- <meta content="260100 Geology" name="DC.subject" />
- <meta content="The Lewis Ponds carbonate and volcanic-hosted Zn–Pb–Cu–Ag–Au-rich massive sulfide deposits are
- located near the western margin of the Hill End Trough in the eastern Lachlan Fold Belt of New South
- Wales. Two stratabound massive sulfide zones, Main and Toms’ occur in a tightly folded Upper Silurian
- succession of marine felsic volcanic and sedimentary rocks. Siltstone, mudstone and quartz crystalrich
- sandstone overlie thick, tabular beds of poorly sorted mixed-provenance breccia, limestone-clast
- breccia and pebbly granular sandstone. The sedimentary rocks unconformably overlie a succession
- of strongly foliated, quartz–plagioclase–phyric dacite. Hydrothermal alteration and deformation have
- obscured primary textures and contact relationships in the footwall volcanic succession. However,
- three lithofacies associations were distinguished using phenocryst abundance, overall texture and
- immobile element compositions. Thick (up to 100 m) conformable or fault-bound units of poorly sorted
- limestone-clast breccia, megabreccia and massive limestone occur throughout the Lewis Ponds host
- sequence. Clasts vary in size from small pebbles to 10 m-long boulders and 90 m-thick lenses. Where
- primary textures are preserved, the bioclastic limestone contains crinoid fragments, brachiopods,
- bivalves, solitary corals, volcanic quartz and feldspar crystals and rare Silurian conodonts. Although
- originally deposited in shallower water, the allochthonous limestone occurs in a host sequence of
- predominantly siltstone and mudstone. The mixed-provenance breccia, limestone-clast breccia,
- pebbly granular sandstone and quartz crystal-rich sandstone were deposited on the flanks of a highlevel
- intrusive dacite centre in a moderately deep, below wave-base slope environment. Volcanic
- and sedimentary components originated from multiple source areas at the basin margin and in the
- adjacent hinterland. The Lewis Ponds host sequence records a transition from coarse-grained polymictic
- volcaniclastic breccia and sandstone, upwards into mudstone, siltstone and minor volcanogenic
- sandstone, indicating deposition in a deepening, more restricted environment as volcanism
- waned and the basin progressively subsided." name="DC.description" />
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- <h1 class="ep_tm_pagetitle">Facies architecture of the Lewis Ponds carbonate and volcanic-hosted massive sulfide deposits, central western New South Wales</h1>
- <p style="margin-bottom: 1em" class="not_ep_block"><span class="person_name">Agnew, M.W.</span> and <span class="person_name">Bull, S.W.</span> and <span class="person_name">Large, R.R.</span> (2004) <xhtml:em>Facies architecture of the Lewis Ponds carbonate and volcanic-hosted massive sulfide deposits, central western New South Wales.</xhtml:em> Australian Journal of Earth Sciences, 51 (3). pp. 349-368. 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/2043/2/Agnew.Bull.Large.AJES.2004.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/2043/2/Agnew.Bull.Large.AJES.2004.pdf"><span class="ep_document_citation">PDF</span></a> - Full text restricted - Requires a PDF viewer<br />3688Kb</td><td><form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/request_doc"><input value="2579" 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/10.1111/j.1400-0952.2004.01062.x">http://dx.doi.org/10.1111/j.1400-0952.2004.01062.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 Lewis Ponds carbonate and volcanic-hosted Zn–Pb–Cu–Ag–Au-rich massive sulfide deposits are
- located near the western margin of the Hill End Trough in the eastern Lachlan Fold Belt of New South
- Wales. Two stratabound massive sulfide zones, Main and Toms’ occur in a tightly folded Upper Silurian
- succession of marine felsic volcanic and sedimentary rocks. Siltstone, mudstone and quartz crystalrich
- sandstone overlie thick, tabular beds of poorly sorted mixed-provenance breccia, limestone-clast
- breccia and pebbly granular sandstone. The sedimentary rocks unconformably overlie a succession
- of strongly foliated, quartz–plagioclase–phyric dacite. Hydrothermal alteration and deformation have
- obscured primary textures and contact relationships in the footwall volcanic succession. However,
- three lithofacies associations were distinguished using phenocryst abundance, overall texture and
- immobile element compositions. Thick (up to 100 m) conformable or fault-bound units of poorly sorted
- limestone-clast breccia, megabreccia and massive limestone occur throughout the Lewis Ponds host
- sequence. Clasts vary in size from small pebbles to 10 m-long boulders and 90 m-thick lenses. Where
- primary textures are preserved, the bioclastic limestone contains crinoid fragments, brachiopods,
- bivalves, solitary corals, volcanic quartz and feldspar crystals and rare Silurian conodonts. Although
- originally deposited in shallower water, the allochthonous limestone occurs in a host sequence of
- predominantly siltstone and mudstone. The mixed-provenance breccia, limestone-clast breccia,
- pebbly granular sandstone and quartz crystal-rich sandstone were deposited on the flanks of a highlevel
- intrusive dacite centre in a moderately deep, below wave-base slope environment. Volcanic
- and sedimentary components originated from multiple source areas at the basin margin and in the
- adjacent hinterland. The Lewis Ponds host sequence records a transition from coarse-grained polymictic
- volcaniclastic breccia and sandstone, upwards into mudstone, siltstone and minor volcanogenic
- sandstone, indicating deposition in a deepening, more restricted environment as volcanism
- waned and the basin progressively subsided.</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">Additional Information:</th><td valign="top" class="ep_row">Copyright 2004 Taylor & Francis. Reproduced in accordance with the publishers policy. The definitive published version is available online at: http://www.tandf.co.uk/journals/titles/08120099.asp</td></tr><tr><th valign="top" class="ep_row">Keywords:</th><td valign="top" class="ep_row">dacite, Hill End Trough, Lewis Ponds, limestone, lithofacies associations, Mumbil Group,
- volcanic-hosted massive sulfide</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 > 260100 Geology</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">2043</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">04 Oct 2007 16:40</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">23 Jan 2008 16:03</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=2043;">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&eprintid=2043">item control page</a></p>
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