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Статті в журналах з теми "Petermann Orogeny"

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Автор: Grafiati

Опубліковано: 10 грудня 2022

Оновлено: 28 січня 2023

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1

Perincek, D. "THE AGE OF NEOPROTEROZOIC-PALAEOZOIC SEDIMENTS WITHIN THE OFFICER BASIN OF THE CENTRALIAN SUPER-BASIN CAN BE CONSTRAINED BY MAJOR SEQUENCE-BOUNDING UNCONFORMITIES." APPEA Journal 36, no. 1 (1996): 350. http://dx.doi.org/10.1071/aj95019.

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Анотація:

The age of stratigraphic units within the Neoproterozoic of the Centralian Super-Basin caii be constrained by using major sequence bounding unconformities. The Officer Basin is redefined to include the Yeneena, Karara, and Savory Basins.Correlation of structural and stratigraphic relationships apparent in surface geological maps to seismic and borehole data leads to the conclusion that the Petermann Ranges Orogeny and the Paterson Orogeny are the same event. The name Petermann Ranges Orogeny has been used extensively in the Centralian Super-basin. It is considered for this publication, to be correlated with and hence to replace the term 'Paterson Orogeny'. This Tectonic event occurred at 540 to 570 Ma and postdated deposition of the Boondawari, Lupton, Pertatataka and Julie Formations and Rodda Beds. These Formations are correlated as part of the same depositional episode; which is separated from the younger Babbagoola Formation and lateral equivalents by a regional unconformity resulting from the Petermann Ranges Orogeny. The Babbagoola Formation is correlated with the Tchukardine and McFadden Formations of the Savory Sub-basin and the Relief Sandstone of the eastern Officer Basin.The Petermann Ranges Orogeny produced a central uplift which includes the Rudall and Musgrave Complexes, forming the north-eastern boundary of the Officer Basin. The Musgrave Complex advanced further south in comparison to the Rudall Complex, with accommodation along numerous north and northeast trending faults. Initial movement along these faults probably started as early as Cambrian and was repeatedly reactivated till post Miocene.Extensive reverse faulting, folding and initiation of diapiric movement of the Upper Proterozoic section began in late Neoproterozoic to Early Cambrian. Reactivation of diapiric movement and folding occurred after and before extrusion of the Table Hill Volcanics. Salt movement continued during the post-Permian and post-Early Cretaceous periods. The evolution of salt structures in the basin from Neoproterozoic to post-Cretaceous provides many different aged traps for migrating hydrocarbons.

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2

Bache, Francois, Paul Walshe, Juergen Gusterhuber, Sandra Menpes, Mattilda Sheridan, Sergey Vlasov, and Lance Holmes. "Exploration of the south-eastern part of the Frontier Amadeus Basin, Northern Territory, Australia." APPEA Journal 58, no. 1 (2018): 190. http://dx.doi.org/10.1071/aj17221.

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The Neoproterozoic to Late Paleozoic-aged Amadeus Basin is a large (~170 000 km2) east–west-trending basin, bounded to the south by the Musgrave Province and to the north by the Arunta Block of the Northern Territory. Commercial oil and gas production is established in the northern part of the basin but the southern part is still a frontier exploration area. Vintage and new seismic reflection data have been used with well data along the south-eastern Amadeus Basin to construct a new structural and depositional model. Three major phases of deformation controlling deposition have been identified. The first phase is characterised by a SW–NE trending structural fabric and is thought to be older than the deposition of the first sediments identified above basement (Heavitree and Bitter Springs formations). The second phase corresponds to the Petermann Orogeny (580–540 Ma) and trends in a NW–SE orientation. The third phase is the Alice Springs Orogeny (450–300 Ma) and is oriented W–E to WNW–ESE in this part of the basin. This tectono-stratigraphic model involving three distinct phases of deformation potentially explains several critical observations: the lack of Heavitree reservoir at Mt Kitty-1, limited salt movements before the Petermann Orogeny (~300 Ma after its deposition) and salt-involved structures that can be either capped by the Petermann Unconformity and overlying Cambrian to Devonian sediments, or can reach the present day surface. Finally, this model, along with availability of good quality seismic data, opens new perspectives for the hydrocarbon exploration of the Amadeus Basin. Each of the tectonic phases impacts the primary petroleum system and underpins play-based exploration.

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3

Hawemann, Friedrich, Neil S. Mancktelow, Sebastian Wex, Alfredo Camacho, and Giorgio Pennacchioni. "Pseudotachylyte as field evidence for lower-crustal earthquakes during the intracontinental Petermann Orogeny (Musgrave Block, Central Australia)." Solid Earth 9, no. 3 (May 9, 2018): 629–48. http://dx.doi.org/10.5194/se-9-629-2018.

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Abstract. Geophysical evidence for lower continental crustal earthquakes in almost all collisional orogens is in conflict with the widely accepted notion that rocks, under high grade conditions, should flow rather than fracture. Pseudotachylytes are remnants of frictional melts generated during seismic slip and can therefore be used as an indicator of former seismogenic fault zones. The Fregon Subdomain in Central Australia was deformed under dry sub-eclogitic conditions of 600–700 °C and 1.0–1.2 GPa during the intracontinental Petermann Orogeny (ca. 550 Ma) and contains abundant pseudotachylyte. These pseudotachylytes are commonly foliated, recrystallized, and cross-cut by other pseudotachylytes, reflecting repeated generation during ongoing ductile deformation. This interplay is interpreted as evidence for repeated seismic brittle failure and post- to inter-seismic creep under dry lower-crustal conditions. Thermodynamic modelling of the pseudotachylyte bulk composition gives the same PT conditions of shearing as in surrounding mylonites. We conclude that pseudotachylytes in the Fregon Subdomain are a direct analogue of current seismicity in dry lower continental crust.

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4

Scrimgeour and Close. "Regional high-pressure metamorphism during intracratonic deformation: the Petermann Orogeny, central Australia." Journal of Metamorphic Geology 17, no. 5 (September 1999): 557–72. http://dx.doi.org/10.1046/j.1525-1314.1999.00217.x.

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5

Walsh, A. K., T. Raimondo, D. E. Kelsey, M. Hand, H. L. Pfitzner, and C. Clark. "Duration of high-pressure metamorphism and cooling during the intraplate Petermann Orogeny." Gondwana Research 24, no. 3-4 (November 2013): 969–83. http://dx.doi.org/10.1016/j.gr.2012.09.006.

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6

Wex, Sebastian, Neil S. Mancktelow, Friedrich Hawemann, Alfredo Camacho, and Giorgio Pennacchioni. "Inverted distribution of ductile deformation in the relatively “dry” middle crust across the Woodroffe Thrust, central Australia." Solid Earth 9, no. 4 (July 11, 2018): 859–78. http://dx.doi.org/10.5194/se-9-859-2018.

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Abstract. Thrust fault systems typically distribute shear strain preferentially into the hanging wall rather than the footwall. The Woodroffe Thrust in the Musgrave Block of central Australia is a regional-scale example that does not fit this model. It developed due to intracontinental shortening during the Petermann Orogeny (ca. 560–520 Ma) and is interpreted to be at least 600 km long in its E–W strike direction, with an approximate top-to-north minimum displacement of 60–100 km. The associated mylonite zone is most broadly developed in the footwall. The immediate hanging wall was only marginally involved in the mylonitization process, as can be demonstrated from the contrasting thorium signatures of mylonites derived from the upper amphibolite facies footwall and the granulite facies hanging wall protoliths. Thermal weakening cannot account for such an inverse deformation gradient, as syn-deformational P–T estimates for the Petermann Orogeny in the hanging wall and footwall from the same locality are very similar. The distribution of pseudotachylytes, which acted as preferred nucleation sites for shear deformation, also cannot provide an explanation, since these fault rocks are especially prevalent in the immediate hanging wall. The most likely reason for the inverted deformation gradient across the Woodroffe Thrust is water-assisted weakening due to the increased, but still limited, presence of aqueous fluids in the footwall. We also establish a qualitative increase in the abundance of fluids in the footwall along an approx. 60 km long section in the direction of thrusting, together with a slight decrease in the temperature of mylonitization (ca. 100 °C). These changes in ambient conditions are accompanied by a 6-fold decrease in thickness (from ca. 600 to 100 m) of the Woodroffe Thrust mylonitic zone.

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7

Moussavi-Harami, R., and D. I. Gravestock. "BURIAL HISTORY OF THE EASTERN OFFICER BASIN, SOUTH AUSTRALIA." APPEA Journal 35, no. 1 (1995): 307. http://dx.doi.org/10.1071/aj94019.

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The intracratonic Officer Basin of central Australia was formed during the Neoproterozoic, approximately 820 m.y. ago. The eastern third of the Officer Basin is in South Australia and contains nine unconformity-bounded sequence sets (super-sequences), from Neoproterozoic to Tertiary in age. Burial history is interpreted from a series of diagrams generated from well data in structurally diverse settings. These enable comparison between the stable shelf and co-existing deep troughs. During the Neoproterozoic, subsidence in the north (Munyarai Trough) was much higher than in either the south (Giles area) or northeast (Manya Trough). This subsidence was related to tectonic as well as sediment loading. During the Cambrian, subsidence was much higher in the northeast and was probably due to tectonic and sediment loading (carbonates over siliciclastics). During the Early Ordovician, subsidence in the north created more accommodation space for the last marine transgression from the northeast. The high subsidence rate of Late Devonian rocks in the Munyarai Trough was probably related to rapid deposition of fine-grained siliciclastic sediments prior to the Alice Springs Orogeny. Rates of subsidence were very low during the Early Permian and Late Jurassic to Early Cretaceous, probably due to sediment loading rather than tectonic sinking. Potential Neoproterozoic source rocks were buried enough to reach initial maturity at the time of the terminal Proterozoic Petermann Ranges Orogeny. Early Cambrian potential source rocks in the Manya Trough were initially mature prior to the Delamerian Orogeny (Middle Cambrian) and fully mature on the Murnaroo Platform at the culmination of the Alice Springs Orogeny (Devonian).

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8

Aitken, Alan R. A., Peter G. Betts, and Laurent Ailleres. "The architecture, kinematics, and lithospheric processes of a compressional intraplate orogen occurring under Gondwana assembly: The Petermann orogeny, central Australia." Lithosphere 1, no. 6 (December 2009): 343–57. http://dx.doi.org/10.1130/l39.1.

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9

Aitken, Alan. "The architecture, kinematics, and lithospheric processes of a compressional intraplate orogen occurring under Gondwana assembly: The Petermann orogeny, central Australia." Lithosphere 1, no. 6 (December 1, 2009): 343–57. http://dx.doi.org/10.1130/l39.s1.

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10

Aitken, Alan. "The architecture, kinematics, and lithospheric processes of a compressional intraplate orogen occurring under Gondwana assembly: The Petermann orogeny, central Australia." Lithosphere 1, no. 6 (December 1, 2009): 343–57. http://dx.doi.org/10.1130/l39.s2.

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11

Aitken, Alan. "The architecture, kinematics, and lithospheric processes of a compressional intraplate orogen occurring under Gondwana assembly: The Petermann orogeny, central Australia." Lithosphere 1, no. 6 (December 1, 2009): 343–57. http://dx.doi.org/10.1130/l39.s3.

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12

Aitken, Alan. "The architecture, kinematics, and lithospheric processes of a compressional intraplate orogen occurring under Gondwana assembly: The Petermann orogeny, central Australia." Lithosphere 1, no. 6 (December 1, 2009): 343–57. http://dx.doi.org/10.1130/l39.s4.

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13

Aitken, Alan. "The architecture, kinematics, and lithospheric processes of a compressional intraplate orogen occurring under Gondwana assembly: The Petermann orogeny, central Australia." Lithosphere 1, no. 6 (December 1, 2009): 343–57. http://dx.doi.org/10.1130/l39.s5.

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14

Aitken, Alan. "The architecture, kinematics, and lithospheric processes of a compressional intraplate orogen occurring under Gondwana assembly: The Petermann orogeny, central Australia." Lithosphere 1, no. 6 (December 1, 2009): 343–57. http://dx.doi.org/10.1130/l39.s6.

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15

Aitken, Alan. "The architecture, kinematics, and lithospheric processes of a compressional intraplate orogen occurring under Gondwana assembly: The Petermann orogeny, central Australia." Lithosphere 1, no. 6 (December 1, 2009): 343–57. http://dx.doi.org/10.1130/l39.s7.

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16

Bradshaw, J. D., and P. R. Evans. "PALAEOZOIC TECTONICS, AMADEUS BASIN, CENTRAL AUSTRALIA." APPEA Journal 28, no. 1 (1988): 267. http://dx.doi.org/10.1071/aj87021.

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Анотація:

The Amadeus Basin is divided into a number of structural provinces that developed during the Palaeozoic Alice Springs Orogeny, the course of which is described in terms of: Early Palaeozoic preorogenic crustal extension and basin development; Late Ordovician-Carboniferous NE-SW compressional orogenesis; and Late Carboniferous-(?)Early Permian NW-SE compression.The Southern Province is composed largely of Proterozoic formations that had been deformed during the Petermann Ranges Orogeny. The Central Anticlinal Province is a shear zone of four en echelon trends. The Parana Hills and Mereenie trends have a left lateral orientation to each other and formed during the first phase of orogenesis; the Gardiner Range and James Range trends are right lateral and formed during the second stage. Structures in the Northern Province were created by decollement within the evaporite-bearing Bitter Springs Formation and, to a lesser extent, in the Cambrian Chandler Formation, and by collapse of the basin fill under the burden of the Brewer Conglomerate in a style similar to the formation of diapirs along the northern front of the Pyrenees. The MacDonnell Homocline is a mountain front tip line that resembles the Triangle Zone of the Canadian Rocky Mountains. The Allambi Thrust Zone separates the Northern Province from the Camel Flat Platform that bears diapiric salt walls derived from the Chandler Formation.The varying stress field and revised time scale for orogeny may be of significance to evaluation of reservoir fracture patterns and source rock maturation curves.

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17

Gregory, C. J., I. S. Buick, J. Hermann, and D. Rubatto. "Mineral-scale Trace Element and U-Th-Pb Age Constraints on Metamorphism and Melting during the Petermann Orogeny (Central Australia)." Journal of Petrology 50, no. 2 (February 1, 2009): 251–87. http://dx.doi.org/10.1093/petrology/egn077.

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18

Wade, B. P., M. Hand, and K. M. Barovich. "Nd isotopic and geochemical constraints on provenance of sedimentary rocks in the eastern Officer Basin, Australia: implications for the duration of the intracratonic Petermann Orogeny." Journal of the Geological Society 162, no. 3 (May 2005): 513–30. http://dx.doi.org/10.1144/0016-764904-001.

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19

Carr, Lidena, Russell Korsch, Wolfgang Preiss, Sandra Menpes, Josef Holzschuh, and Ross Costelloe. "Structural and stratigraphic architecture of Australia's frontier onshore sedimentary basins: the Arckaringa, Officer, Amadeus, and Georgina basins." APPEA Journal 51, no. 2 (2011): 703. http://dx.doi.org/10.1071/aj10083.

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Анотація:

The Onshore Energy Security Program—funded by the Australian Government and conducted by Geoscience Australia—has acquired deep seismic reflection data in conjunction with state and territory geological surveys, across several frontier sedimentary basins to stimulate petroleum exploration in onshore Australia. Here, we present data from two seismic lines collected in SA and NT. Seismic line 08GA-OM1 crossed the Arckaringa and Officer basins in SA and the southern-most Amadeus Basin in NT. Seismic line 09GA-GA1 crossed the northeastern part of the Amadeus Basin and the complete width of the southern Georgina Basin in NT. Structural and sequence stratigraphic interpretations of the seismic lines will be presented here, followed by an assessment of the petroleum potential of the basins. Seismic line 08GA-OM1 also crosses the Neoproterozoic to Devonian eastern Officer Basin. The basin is structurally complex in this area, being dominated by south-directed thrust faults and fault-related folds—providing potential for underthrust petroleum plays. The northern margin of the basin is overthrust to the south by the Mesoproterozoic Musgrave Province. To the north, the Moorilyanna Trough of the Officer Basin is a major depocentre of up to 7,000 m deep. Both seismic lines cross parts of the eastern Amadeus Basin. Seismic line 08GA-OM1 shows that the southern margin of the basin is overthrust to the north by the Musgrave Province with the main movement during the Petermann Orogeny. In the northeast, seismic line 09GA-GA1 crosses two parts of the basin separated by the Paleoproteroozic to Mesoproterozoic Casey Inlier (part of the Arunta Region). The northern margin of the basin is imaged seismically as a southward-verging, thinned-skinned thrust belt, showing considerable structural thickening of the stratigraphic succession. Seismic line 09GA-GA1 was positioned to cross that part of the southern Georgina Basin that was considered previously to be in the oil window. Here, the basin has a complex southern margin, with Neoproterozoic stratigraphy being thrust interleaved with basement rocks of the Arunta Region. The main part of the basin, containing a Neoproterozoic to Devonian succession, is asymmetric, thinning to the north where it overlies the Paleoproterozoic Davenport Province. The well, Phillip–2, drilled adjacent to the seismic line, intersected basement at a depth of 1,489 m, and has been used to map the stratigraphic sequences across the basin.

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20

Polcari, Marco, Matteo Albano, Simone Atzori, Christian Bignami, and Salvatore Stramondo. "The Causative Fault of the 2016 Mwp 6.1 Petermann Ranges Intraplate Earthquake (Central Australia) Retrieved by C- and L-Band InSAR Data." Remote Sensing 10, no. 8 (August 20, 2018): 1311. http://dx.doi.org/10.3390/rs10081311.

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On 21 May 2016, an Mwp 6.1 earthquake occurred along the Petermann Ranges in Central Australia. Such a seismic event can be classified as a rare intraplate earthquake because the affected area presents low seismicity, being at the center of the Indo-Australian plate. Also, the architecture and kinematics of shear zones in the Petermann Orogen are largely unknown. We used Sentinel-1 C-band descending data and ALOS-2 L-band ascending data to constrain the causative fault. Our analysis revealed that the earthquake nucleated along an unmapped secondary back-thrust of the main feature of the area, namely the Woodroffe thrust.

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