Academic literature on the topic 'Arunta Complex'

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Journal articles on the topic "Arunta Complex"

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GOSCOMBE, B. "High-Grade Reworking of Central Australian Granulites: Metamorphic Evolution of the Arunta Complex." Journal of Petrology 33, no. 4 (August 1, 1992): 917–62. http://dx.doi.org/10.1093/petrology/33.4.917.

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Rickard, M. J. "Central Australia (Arunta Complex and Amadeus Basin)—history of work and outline of problems." Tectonophysics 158, no. 1-4 (February 1989): 1–4. http://dx.doi.org/10.1016/0040-1951(89)90311-9.

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Norman, A. R., and G. L. Clarke. "A barometric response to late compression in the Strangways Metamorphic Complex, Arunta Block, central Australia." Journal of Structural Geology 12, no. 5-6 (January 1990): 667–84. http://dx.doi.org/10.1016/0191-8141(90)90081-9.

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Zhao, Jian-Xin, and John A. Cooper. "The Atnarpa Igneous Complex, southeast Arunta Inlier, central Australia: implications for subduction at an Early-Mid Proterozoic continental margin." Precambrian Research 56, no. 3-4 (May 1992): 227–53. http://dx.doi.org/10.1016/0301-9268(92)90103-u.

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Sivell, W. J., and J. D. Foden. "Amphibolites from the Entia Gneiss Complex, Eastern Arunta inlier: Geochemical evidence for a proterozoic transition from extensional to compressional tectonics." Precambrian Research 38, no. 3 (March 1988): 235–55. http://dx.doi.org/10.1016/0301-9268(88)90004-6.

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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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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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Maidment, DW, M. Hand, and IS Williams. "Tectonic cycles in the Strangways Metamorphic Complex, Arunta Inlier, central Australia: geochronological evidence for exhumation and basin formation between two high-grade metamorphic events*." Australian Journal of Earth Sciences 52, no. 2 (April 2005): 205–15. http://dx.doi.org/10.1080/08120090500139414.

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Ferdinand, Richard W. "Probabilistic seismic hazard assessment and site analyses of Arusha International Conference Centre (AICC), Arusha, Tanzania." Tanzania Journal of Science 47, no. 2 (May 31, 2021): 826–40. http://dx.doi.org/10.4314/tjs.v47i2.37.

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This work presents the evaluation of earthquake resistance of the Arusha International ConferenceCentre (AICC) complex, in Tanzania. The evaluation included probabilistic seismic hazardanalysis (PSHA) and site response analysis. Seismic sources considered to constitute a seismichazard in this study were randomly occurring seismicity located within five tectonic provincesaround the site. For each province the seismic hazard is based on a cursory analysis of earthquakedata from compiled ESARSWG bulletins and temporary deployed networks within the NorthTanzania Divergence (NTD). Bedrock response signal together with the information of materialcharacteristics from boreholes around the AICC site were used in analysis of site response. PSHAresults indicated uniform hazard spectra values of 0.15, 0.2 and 0.27 g for return periods of 475,975 and 2475 years, respectively. The surface ground response results indicated a maximumamplification factor of 3.7 and a spectral response of 4.5 g for a wave period of 0.6 sec thatmatches the natural frequency of the 6-7 storey buildings of the AICC complex. It is thisresonance effect on the buildings that is assumed to have caused intense shaking in the earthquakeof December 5th 2005 from Lake Tanganyika. Keywords: Probabilistic seismic hazard analysis; Arusha International Conference Centre; EastAfrican Rift System; Uniform hazard spectra; Site effect.
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Jike, Wuhe, Mingai Li, Nicola Zadra, Enrico Barbaro, Gaurav Sablok, Giorgio Bertorelle, Omar Rota-Stabelli, and Claudio Varotto. "Phylogenomic proof of Recurrent Demipolyploidization and Evolutionary Stalling of the “Triploid Bridge” in Arundo (Poaceae)." International Journal of Molecular Sciences 21, no. 15 (July 24, 2020): 5247. http://dx.doi.org/10.3390/ijms21155247.

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Polyploidization is a frequent phenomenon in plants, which entails the increase from one generation to the next by multiples of the haploid number of chromosomes. While tetraploidization is arguably the most common and stable outcome of polyploidization, over evolutionary time triploids often constitute only a transient phase, or a “triploid bridge”, between diploid and tetraploid levels. In this study, we reconstructed in a robust phylogenomic and statistical framework the evolutionary history of polyploidization in Arundo, a small genus from the Poaceae family with promising biomass, bioenergy and phytoremediation species. Through the obtainment of 10 novel leaf transcriptomes for Arundo and outgroup species, our results prove that recurrent demiduplication has likely been a major driver of evolution in this species-poor genus. Molecular dating further demonstrates that the species originating by demiduplication stalled in the “triploid bridge” for evolutionary times in the order of millions of years without undergoing tetratploidization. Nevertheless, we found signatures of molecular evolution highlighting some of the processes that accompanied the genus radiation. Our results clarify the complex nature of Arundo evolution and are valuable for future gene functional validation as well as reverse and comparative genomics efforts in the Arundo genus and other Arundinoideae.
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Di Fidio, Nicola, Anna Maria Raspolli Galletti, Sara Fulignati, Domenico Licursi, Federico Liuzzi, Isabella De Bari, and Claudia Antonetti. "Multi-Step Exploitation of Raw Arundo donax L. for the Selective Synthesis of Second-Generation Sugars by Chemical and Biological Route." Catalysts 10, no. 1 (January 5, 2020): 79. http://dx.doi.org/10.3390/catal10010079.

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Lignocellulosic biomass represents one of the most important feedstocks for future biorefineries, being a precursor of valuable bio-products, obtainable through both chemical and biological conversion routes. Lignocellulosic biomass has a complex matrix, which requires the careful development of multi-step approaches for its complete exploitation to value-added compounds. Based on this perspective, the present work focuses on the valorization of hemicellulose and cellulose fractionsof giant reed (Arundo donax L.) to give second-generation sugars, minimizing the formation of reaction by-products. The conversion of hemicellulose to xylose was undertaken in the presence of the heterogeneous acid catalyst Amberlyst-70 under microwave irradiation. The effect of the main reaction parameters, such as temperature, reaction time, catalyst, and biomass loadings on sugars yield was studied, developing a high gravity approach. Under the optimised reaction conditions (17 wt% Arundo donax L. loading, 160 °C, Amberlyst-70/Arundo donax L. weight ratio 0.2 wt/wt), the xylose yield was 96.3 mol%. In the second step, the cellulose-rich solid residue was exploited through the chemical or enzymatic route, obtaining glucose yields of 32.5 and 56.2 mol%, respectively. This work proves the efficiency of this innovative combination of chemical and biological catalytic approaches, for the selective conversion of hemicellulose and cellulose fractions of Arundo donax L. to versatile platform products.
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Dissertations / Theses on the topic "Arunta Complex"

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Zhao, Jian-xin. "The geology, geochemistry and geochronology of the Atnarpa Igneous Complex, SE Arunta Inlier, northern Australia : implications for early to middle proterozoic tectonism and crustal evolution." Title page, contents and abstract only, 1989. http://web4.library.adelaide.edu.au/theses/09SM/09smz63.pdf.

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McLaren, Sandra. "The role of internal heat production during metamorphism of the Eastern Arunta Complex, central Australia, and the Mount Isa Inlier, Queensland /." Title page, contents and abstract only, 1996. http://web4.library.adelaide.edu.au/theses/09SB/09sbm161.pdf.

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Thesis (B. Sc.(Hons.))--University of Adelaide, Dept. of Geology and Geophysics, 1997?
National Grid reference SF53-14 (Alice Springs), SF54-1 (Mount Isa) (1:250 000). Includes bibliographical references (leaves [32-36]).
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Oertel, A. G. "Magnetotelluric survey of the Central Australian Craton, with a focus on the structural history of the Warumpi and Musgrave Provinces and the Arunta Complex." Thesis, 2013. http://hdl.handle.net/2440/106295.

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In spite of the continent of Australia being the oldest and most tectonically stable on Earth, its structural history is still the subject of much conjecture. The final closure of the South Australian Craton with the North Australian Craton at roughly 1080 million years ago deformed much of Central Australia into the lithospheric arrangement observed today. Structural constraints have been developed in the last 30 years on the history of the Musgrave Province, Amadeus Basin, Warumpi Province and Arunta Complex in the southern part of the Northern Territory. In this study the resistivity structure of these four provinces was assessed through the use of a long-period magnetotelluric survey along the Stuart Highway from the South Australia-Northern Territory border to 90 kilometres north of Alice Springs. A key focus was to determine whether the structural arrangement, identified in a magnetotelluric survey conducted 100 kilometres to the east of this profile in 2006, is laterally consistent between the four provinces. In the Stuart Highway profile model the major structures present exhibit a different arrangement, particularly in the northern part of the profile, resulting in the conclusion that the mechanism for the lithospheric closure of the region was a more complex nature than was previously thought.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 2013
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Weiss, S. "Constraints on the origin of the ca 1780 Ma high heat producing Napperby Gneiss, Aileron Province, Central Australia." Thesis, 2016. http://hdl.handle.net/2440/121355.

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The Arunta Region of Central Australia contains Paleoproterozoic granites extremely enriched in high heat producing elements, in comparison to a global upper crustal average of 1.69 μWm-3. This study uses geochemistry, geochronology, and zircon saturation thermometry to investigate the source and tectonic environment of emplacement of the ca. 1780 Ma Napperby Gneiss. The Napperby Gneiss is peraluminous, suggesting a metasedimentary source. Samples have negative Eu anomalies ranging from 0.10 to 0.57, and show further evidence of fractionation in negative correlations of Ba and Sr with increasing SiO2. Initial εNd values are similar to surrounding exposed metasedimentary rocks and suggest a strong influence of an evolved crustal source but indicate a necessary juvenile component. Matches of inherited xenocrystic zircons from the gneiss with detrital patterns from the regional metasedimentary Lander Formation indicate that sediments similar to the Lander Formation are the source of the protolith granite. Zircon saturation temperatures suggest the granites were emplaced at 790°C – 872°C. Heat production is less than the slightly older ca 1800 ma suites of the Aileron province, and zircon saturation temperatures are higher. The Napperby was produced by dehydration melting rather than fluid flux melting, possibly in a back arc extensional environment with heat provided by upwelling mantle.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 2016
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Trivedi, Arun Kumar [Verfasser]. "Proteomic identification of C-EBPα [C-EBR-alpha] multiprotein complex reveals that JNK1, an activator of C-EBPα [C-EBR-alpha] is downregulated in patients with acute myeloid leukemia (AML) / vorgelegt von Arun Kumar Trivedi." 2006. http://d-nb.info/979209951/34.

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Book chapters on the topic "Arunta Complex"

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Eliava, Shalva, Vadim Gorozhanin, Oleg Shekhtman, Yuri Pilipenko, and Olga Kuchina. "Surgical Treatment of Unruptured Brain AVMs: Short- and Long-Term Results." In Acta Neurochirurgica Supplement, 87–90. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63453-7_13.

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AbstractUnruptured brain AVMs (bAVMs) remain a controversial subject for practicing neurosurgeons, especially in the light of ARUBA and other observational studies. This retrospective study aims to analyze our experience with unruptured bAVMs to see whether it is beneficial in the long-term and how it corresponds to large literature trials. The study comprised 160 adult patients with unruptured bAVMs surgically treated in Burdenko NMC (Moscow) in 2009–2017. Mean age: 33.4 ± 10лет. Clinical presentations were: seizures in 99 (61.9%), chronical headaches—49 (30.6%), ischemic symptoms—4 (2.5%), asymptomatic in 8 (5%) patients. Spetzler-Martin scale: I—18 pt. (11.3%), II—71 pt. (44.4%), III—60 pt. (37.5%), IV—11 pt. (6.8%). Good outcomes (mRS = 0–2) at discharge were achieved in 149 (93.1%), satisfactory (mRS—3)—9 (5.6%). Follow-up was complete for 97 (60.6%) patients, mean—59.3 (13–108 month). Excellent outcomes (mRS = 0–1) reached in 94.8%. For epilepsy patients, Engel I outcome was found in 50 (84.8%); for chronic headaches, 43 (66.1%) patients reported improvement. Postoperative visual field defects were followed in 22 of 55 (40%), complete recovery was reported in 6 (27%) and partial recovery in 8 (36%) patients. Overall, our results support the conclusion that surgery for low-grade bAVMs (S-M I–II) is a beneficial, low-risk option.
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"Introduction to Operational Semantics Sanjiva Prasad and S. Arun-Kumar." In The Compiler Design Handbook, 853–902. CRC Press, 2002. http://dx.doi.org/10.1201/9781420040579-26.

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Conference papers on the topic "Arunta Complex"

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Al Saffar, Rabab, and Michael Dowen. "Characterization of Tight Carbonate Reservoir by Using Nuclear Magnetic Resonance Log Analysis in the Bahrain Field." In SPE Middle East Oil & Gas Show and Conference. SPE, 2021. http://dx.doi.org/10.2118/204781-ms.

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Abstract The Bahrain Field (the "Field"), discovered in 1932, is an asymmetric anticline trending in a North-South direction of the Kingdom of Bahrain. It is a geologically complex field with 16 multi-stack carbonate and sandstone reservoirs, most of them oil bearing. The fluids varying from shallow tarry oil in Aruma to dry gas in the Khuff and pre-Khuff reservoirs. The Field has more than 2000 wells of which 90% have good quality log data. The Ostracod and Magwa reservoirs are heterogeneous, layered tight reservoirs and have been on production since 1964. The Ostracod reservoir consists of very heterogeneous with limestone intervals intercalated between shale layers, with a total thickness of around 200 ft. The Magwa reservoir conformably underlies the Ostracod reservoir. The Ostracod averages 120 ft in thickness and is dominated by limestone with high porosity, low permeability, and variable water saturations. Core derived permeability measurements are usually less than 5 mD and porosities average 22%. Production performance of individual wells is extremely variable and in many cases appears to be at odds with log-calculated saturations. Wells having good oil saturation often produce water and wells with low oil saturation produce high volumes of oil. Several studies have been conducted in an attempt to understand and resolve this. The variability of oil saturation which has been mapped both laterally across the Field and vertically within wells, led to the question of what caused the variation in oil saturation. The variation is not a function of depth, which one might expect. Causes might include oil failure to migrate into certain reservoir compartments, a loss of the original charge to shallower reservoir or the oil charge been restricted by rock quality. This paper attempts to address the variability in saturations seen across the Field and link known productivity to the Petrophysical interpretations. Nuclear Magnetic Resonance (NMR) logs had been employed in a targeted area of the Field in order to investigate rock quality in an attempt to explain the oil saturation distribution. A small NMR core study was undertaken in order to calibrate the NMR log response. The NMR data had been initially processed with what was considered a representative cut-off for Middle East Carbaonte rocks. This core study resulted in a surprisingly low series of T2 cut-off. The NMR logs were reprocessed with the more representative T2 cut-off. The resulting bound and free fluid fractions seemed to explain the observed well production.
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