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Type: Journal article
Title: Crustal architecture of the Capricorn Orogen, Western Australia and associated metallogeny
Author: Johnson, S.
Thorne, A.
Tyler, I.
Korsch, R.
Kennett, B.
Cutten, H.
Goodwin, J.
Blay, O.
Blewett, R.
Joly, A.
Dentith, M.
Aitken, A.
Holzschuh, J.
Salmon, M.
Reading, A.
Heinson, G.
Boren, G.
Ross, J.
Costelloe, R.
Fomin, T.
Citation: Australian Journal of Earth Sciences, 2013; 60(6-7):681-705
Publisher: Taylor & Francis Ltd.
Issue Date: 2013
ISSN: 0812-0099
Statement of
S. P. Johnson, A. M. Thorne, I. M. Tyler, R. J. Korsch, B. L. N. Kennett, H. N. Cutten, J. Goodwin, O. Blay, R. S. Blewett, A. Joly, M. C. Dentith, A. R. A. Aitken, J. Holzschuh, M. Salmon, A. Reading, G. Heinson, G. Boren, J. Ross, R. D. Costelloe and T. Fomin
Abstract: A 581 km vibroseis-source, deep seismic reflection survey was acquired through the Capricorn Orogen of Western Australia and, for the first time, provides an unprecedented view of the deep crustal architecture of the West Australian Craton. The survey has imaged three principal suture zones, as well as several other lithospheric-scale faults. The suture zones separate four seismically distinct tectonic blocks, which include the Pilbara Craton, the Bandee Seismic Province (a previously unrecognised tectonic block), the Glenburgh Terrane of the Gascoyne Province and the Narryer Terrane of the Yilgarn Craton. In the upper crust, the survey imaged numerous Proterozoic granite batholiths as well as the architecture of the Mesoproterozoic Edmund and Collier basins. These features were formed during the punctuated reworking of the craton by the reactivation of the major crustal structures. The location and setting of gold, base metal and rare earth element deposits across the orogen are closely linked to the major lithospheric-scale structures, highlighting their importance to fluid flow within mineral systems by the transport of fluid and energy direct from the mantle into the upper crust.
Keywords: Ashburton Basin; Capricorn Orogen; Collier Basin; Edmund Basin; Fortescue Basin; Gascoyne Province; Glenburgh Orogeny; Glenburgh Terrane; Hamersley Basin; intracontinental reworking; mineralisation; Narryer Terrane; Ophthalmian Orogeny; Pilbara Craton; seismic reflection study; suture zone; West Australian Craton; Yilgarn Craton
Rights: © 2013 Crown Copyright
RMID: 0020132515
DOI: 10.1080/08120099.2013.826735
Appears in Collections:Earth and Environmental Sciences publications

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