Journal articles on the topic 'Geology, Structural Queensland Mount Isa Inlier'

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1

Passchier, C. W., and P. R. Williams. "Proterozoic extensional deformation in the Mount Isa inlier, Queensland, Australia." Geological Magazine 126, no. 1 (January 1989): 43–53. http://dx.doi.org/10.1017/s0016756800006130.

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AbstractThe earliest of four distinct phases of deformation recognized in the central part of the Proterozoic Mount Isa inlier involved brittle extensional faulting at shallow crustal levels. Extensional faulting produced stacks of imbricate fault slices, listric normal faults and characteristic tourmalinerich breccias. Structures belonging to this phase occur over a large part of the inlier and indicate an important phase of basin-forming crustal or lithospheric extension at 1750–1730 Ma. Late intense ductile deformation and tight folding of the imbricate systems destroyed part of these older structures, and obscures their existence in many parts of the inlier.
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2

McConachie, B. A., M. G. Barlow, J. N. Dunster, R. A. Meaney, and A. O. Schaap. "THE MOUNT ISA BASIN—DEFINITION, STRUCTURE AND PETROLEUM GEOLOGY." APPEA Journal 33, no. 1 (1993): 237. http://dx.doi.org/10.1071/aj92018.

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The Mount Isa Basin is a new concept to describe the area of Palaeo- to Mesoproterozoic rocks south of the Murphy Inlier (not the Murphy Tectonic Ridge) and inappropriately described as the Mount Isa Inlier. The new basin concept presented in this paper allows the characterisation of basin-wide structural deformation and the recognition of areas with petroleum exploration potential.The northern depositional margin of the Mount Isa Basin is the metamorphic, intrusive and volcanic complex referred to as the Murphy Inlier. The eastern, southern and western boundaries of the basin are obscured by younger basins (Carpentaria, Eromanga and Georgina Basins). The Murphy Inlier rocks comprise the seismic basement to the Mount Isa Basin sequence. Evidence for the continuity of the Mount Isa Basin with the McArthur Basin to the northwest and the Willyama Block (Basin) at Broken Hill to the south is presented. These areas combined with several other areas of similar age are believed to have comprised the Carpentarian Superbasin.The application of seismic exploration within Authority to Prospect (ATP) 423P at the northern margin of the basin was critical to the recognition and definition of the Mount Isa Basin. The northern Mount Isa Basin is structurally analogous to the Palaeozoic Arkoma Basin of Oklahoma and Arkansas in the southern USA but as with all basins it contains unique characteristics, a function of its individual development history. The northern Mount Isa Basin is defined as the basin area northwest of the Mount Gordon Fault.
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3

Stumpfl, E. F. "Geology of the Mount Isa Inlier and Environs, Queensland and Northern Territory." Ore Geology Reviews 4, no. 3 (March 1989): 275–76. http://dx.doi.org/10.1016/0169-1368(89)90020-6.

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4

Neudert, Martin K. "Geology of the Mount Isa Inlier and Environs, Queensland and Northern Territory." Earth-Science Reviews 27, no. 3 (May 1990): 277–78. http://dx.doi.org/10.1016/0012-8252(90)90014-m.

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5

Salama, Walid, Michael F. Gazley, and Lindsay C. Bonnett. "Geochemical exploration for supergene copper oxide deposits, Mount Isa Inlier, NW Queensland, Australia." Journal of Geochemical Exploration 168 (September 2016): 72–102. http://dx.doi.org/10.1016/j.gexplo.2016.05.008.

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6

Loosveld, Ramon J. H. "The intra-cratonic evolution of the central eastern Mount Isa Inlier, northwest Queensland, Australia." Precambrian Research 44, no. 3-4 (October 1989): 243–76. http://dx.doi.org/10.1016/0301-9268(89)90047-8.

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7

Le, Truong X., Paul H. G. M. Dirks, Ioan V. Sanislav, Jan M. Huizenga, Helen A. Cocker, and Grace N. Manestar. "Geological setting and mineralization characteristics of the Tick Hill Gold Deposit, Mount Isa Inlier, Queensland, Australia." Ore Geology Reviews 137 (October 2021): 104288. http://dx.doi.org/10.1016/j.oregeorev.2021.104288.

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8

Xu, G. "Structural geology of the Dugald River ZnPbAg deposit, Mount Isa Inlier, Australia." Ore Geology Reviews 11, no. 6 (December 1996): 339–61. http://dx.doi.org/10.1016/s0169-1368(96)00007-8.

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9

Spampinato, G. P. T., P. G. Betts, L. Ailleres, and R. J. Armit. "Structural architecture of the southern Mount Isa terrane in Queensland inferred from magnetic and gravity data." Precambrian Research 269 (October 2015): 261–80. http://dx.doi.org/10.1016/j.precamres.2015.08.017.

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10

O'dea, Mark G., and Gordon S. Lister. "The role of ductility contrast and basement architecture in the structural evolution of the Crystal Creek block, Mount Isa Inlier, NW Queensland, Australia." Journal of Structural Geology 17, no. 7 (July 1995): 949–60. http://dx.doi.org/10.1016/0191-8141(94)00117-i.

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11

BEARDSMORE, T., S. NEWBERY, and W. LAING. "The Maronan Supergroup: an inferred early volcanosedimentary rift sequence in the Mount Isa Inlier, and its implications for ensialic rifting in the Middle Proterozoic of northwest Queensland." Precambrian Research 40-41 (October 1988): 487–507. http://dx.doi.org/10.1016/0301-9268(88)90082-4.

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12

Sayab, Mohammad. "Microstructural evidence for N–S shortening in the Mount Isa Inlier (NW Queensland, Australia): the preservation of early W–E-trending foliations in porphyroblasts revealed by independent 3D measurement techniques." Journal of Structural Geology 27, no. 8 (August 2005): 1445–68. http://dx.doi.org/10.1016/j.jsg.2005.01.013.

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13

Baker, Michael J., Anthony J. Crawford, and Ian W. Withnall. "Geochemical, Sm–Nd isotopic characteristics and petrogenesis of Paleoproterozoic mafic rocks from the Georgetown Inlier, north Queensland: Implications for relationship with the Broken Hill and Mount Isa Eastern Succession." Precambrian Research 177, no. 1-2 (February 2010): 39–54. http://dx.doi.org/10.1016/j.precamres.2009.11.003.

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14

Austin, J. R., and T. G. Blenkinsop. "Local to regional scale structural controls on mineralisation and the importance of a major lineament in the eastern Mount Isa Inlier, Australia: Review and analysis with autocorrelation and weights of evidence." Ore Geology Reviews 35, no. 3-4 (June 2009): 298–316. http://dx.doi.org/10.1016/j.oregeorev.2009.03.004.

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15

Cave, Bradley, Richard Lilly, Stijn Glorie, and Jack Gillespie. "Geology, Apatite Geochronology, and Geochemistry of the Ernest Henry Inter-Lens: Implications for a Re-Examined Deposit Model." Minerals 8, no. 9 (September 13, 2018): 405. http://dx.doi.org/10.3390/min8090405.

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The Ernest Henry Iron-Oxide-Copper-Gold deposit is the largest known Cu-Au deposit in the Eastern Succession of the Proterozoic Mount Isa Inlier, NW Queensland. Cu-Au mineralization is hosted in a K-feldspar altered breccia, bounded by two major pre-mineralization shear zones. Previous research suggests that Cu-Au mineralization and the ore-bearing breccia formed simultaneously through an eruption style explosive/implosive event, facilitated by the mixing of fluids at ~1530 Ma. However, the preservation of a highly deformed, weakly mineralized, pre-mineralization feature (termed the Inter-lens) within the orebody indicates that this model must be re-examined. The paragenesis of the Inter-lens is broadly consistent with previous studies on the deposit, and consists of albitization; an apatite-calcite-quartz-garnet assemblage; biotite-magnetite ± garnet alteration; K-feldspar ± hornblende alteration; Cu-Au mineralization and post-mineralization alteration and veining. Apatite from the paragenetically early apatite-calcite-quartz-garnet assemblage produce U–Pb ages of 1584 ± 22 Ma and 1587 ± 22 Ma, suggesting that the formation of apatite, and the maximum age of the Inter-lens is synchronous with D2 deformation of the Isan Orogeny and regional peak-metamorphic conditions. Apatite rare earth element-depletion trends display: (1) a depletion in rare earth elements evenly, corresponding with an enrichment in arsenic and (2) a selective light rare earth element depletion. Exposure to an acidic NaCl and/or CaCl2-rich sedimentary-derived fluid is responsible for the selective light rare earth element-depletion trend, while the exposure to a neutral to alkaline S, Na-, and/or Ca-rich magmatic fluid resulted in the depletion of rare earth elements in apatite evenly, while producing an enrichment in arsenic. We suggest the deposit experienced at least two hydrothermal events, with the first event related to peak-metamorphism (~1585 Ma) and a subsequent event related to the emplacement of the nearby (~1530 Ma) Williams–Naraku Batholiths. Brecciation resulted from competency contrasts between ductile metasedimentary rocks of the Inter-lens and surrounding shear zones against the brittle metavolcanic rocks that comprise the ore-bearing breccia, providing permeable pathways for the subsequent ore-bearing fluids.
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16

Sayab, Mohammad. "Tectonic significance of structural successions preserved within low-strain pods: Implications for thin- to thick-skinned tectonics vs. multiple near-orthogonal folding events in the Palaeo-Mesoproterozoic Mount Isa Inlier (NE Australia)." Precambrian Research 175, no. 1-4 (December 2009): 169–86. http://dx.doi.org/10.1016/j.precamres.2009.09.007.

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