Hamimi, zakaria matsah, mohamed elshafei, mohamed elfakharani, abdelhamid shujoon, abdulrahman and algabali, majid 2012. Stratigraphy and sedimentology of the permian succession in the. Sep 17, 20 introduction structural geology is the study of factors such as origin, occurrence, classification, type and effects of various secondary structures like folds, faults, joints, rock cleavage and are different from those primary structures such as bedding and vesicular structure, which develop in rocks at the time of their formation. The gunnedah basin is a structural trough in northeastern new south wales, forming the middle part ofthe larger sydney bowen stmctural basin, which extends for 1700 km along the eastem margin of australia from central queensland in the north to the edge of the continental shelf in southeastern new south wales figure 1. Sediments of the bowen basins groundwater background paper.
Queensland geological framework department of natural. Figures 1a and 1b that developed in the permian and triassic along the margin of eastern australia. The permotriassic bowen basin of southern and central. Together with earlier data from the eastern part of the jurassic surat basin, our results show a broad, but systematic, rotation of s hmax azimuths in this part of eastern australia as well as systematic changes in stress state. The coals within these basins are of significant interest for coal seam gas exploration and production, particularly within the walloon fairway figure 1. Geostatistical drillhole spacing analysis for coal resource. The basin had 48 operational coal mines in august 2011. The influence of coalmine geology on seismic data quality. Influence of basement structures on in situ stresses over the. The bbgg meet quarterly at different mine sites and hold a 1day meeting that consists of topical presentations followed by a mine site tour. Introduction to structural geology structural geology is the study of how rocks deform and the processes of deformation. Find materials for this course in the pages linked along the left.
The drummond basin commenced as a backarc extensional basin, progressed through a thermal sag phase and ceased development during mild compression associated with a farfield expression of the kanimblan orogeny. More than 6,000 boreholes were compiled to develop a consistent regional scale stratigraphic framework for the permian rangal, baralaba and bandana coal measures cms within the bowen basin. Defining zagros structural domains in the kurdistan region of northern iraq presented to the cspg structural geology division, calgary, february 4, 2011 x3 vertical exaggeration. Penn states structural geology class notes instructor. This central queensland area is between latitudes 250 and 260 sand longitudes 1490 and 1500 30e, within the mundubbera and taroom sheet areas. The data provide an interpretation of the extent of the rock units and the. Structural analysis indicates that the northeastern margin was. The plays of the bowen and surat basins consist of conventional structural.
Smallscale structural features may be studied using the same general techniques that are employed in petrology, in which sections of rock mounted on glass slides are ground very thin and are. The international journal of coal geology deals with fundamental and applied aspects of the geology and petrology of coal, oilgas source rocks and shale gas resources. The basin contains much of the known permian coal resources in queensland including virtually all of the known mineable prime coking coal. It is closely related to the concept of strain the permanent change in shape in 1d, 2d or. You may need to install acrobat reader to obtain the pdf documents. A aerial photograph a and geologic map b of the v2 and a39 open pits at mt carlton, bowen basin, ne australia as of september 2016. Synthetic seismogram analysis from northern central bowen basin locations s, t. In mid 2011, evidence of a continuing mining boom was provided by state government figures which showed more than. Sequence stratigraphic interpretation of bowen and surat basin successions, taroom region, queensland the taroom area of the bowen and surat basins fig. Brown 4 1 british geological survey, keyworth, nottingham ng12 5gg, uk 2 department of geology and applied geology, the university of glasgow, glasgow g12 8qq, uk.
For best results viewing and printing pdf documents, it. Horizontal fold axis layers will be straight in map view b. Dec 21, 2016 the bowen basin is a part of a larger sedimentary basin system bowen, gunnedah and sydney basins. Hua zhang, ninghua chen, bowen gao, yaochen xu, jianyu chen.
Most of the basins open cut and underground coal mines are located in the north. Influence of coalmine geology on seismic data quality peters and hearn aseg 15th geophysical conference and exhibition, august 2001, brisbane. Structural and geomechanical analysis of naturally fractured. Index map showing location of williston basin and major structural features 10 2. This major coalproducing region contains one of the worlds largest deposits of bituminous coal. Regional geology 2000 townsville hinterland spatial data format. The bowen basin covers an area of over 60,000 square kilometres in central queensland running from collinsville to theodore. Lecture notes structural geology earth, atmospheric.
The bowen basin and surat basin are two economically significant basins located in southeast queensland figure 1. We present regional in situ stress analyses based on publicly available log and pressure data from coal seam gas developments in the permian bowen basin, australia. Geological structural controls on stability of footwall. Themeetingwasconvened to explore the common ground linking geomechanics with inter alia economic and petroleum geology, structural geology, petrophysics, seismology, geotechnics, reservoir engineering, and production technology. The bowen basin contains the largest coal reserves in australia. This study provides a new regional interpretation of the three dimensional geometry of the fault systems on the eastern flanks of the southern bowen basin and the surat basin. Bowen and surat basins, clarencemoreton basin, sydney basin, gunnedah basin and other minor onshore basins, qld, nsw and nt, canberra, bureau of resource sciences, australian petroleum accumulations. Bowen basin aimed at thorough characterisation of natural fracture development and insitu. Permian and mesozoic tectonic and structural events in the.
Structural patterns show initial rift architecture, with compartments separated by newly defined transfer fault zones. Maximum sediment thickness in bowen basin reaches about 10,000 m, concentrated in two north trending depocentres, the taroom trough to the east and the. Footwall failure mechanisms typically invoke beddingparallel defects but also require either the existence of flatter structures, which crosscut bedding, or require breakout through the rock mass to allow failure surfaces to emerge. The structure, sedimentology, sequence stratigraphy and. Structural basins may also be sedimentary basins, which are aggregations of sediment that filled up a depression or accumulated. Defining zagros structural domains in the kurdistan region. A new interpretation and model of the mooniegoondiwindi. Bulletin of canadian petroleum geology, 54, 261272. A the geology and ore deposits of this region are described in the paper by sahlstram et al. Insights for growth model of antitaxial fibrous veins. Daunia mine october 2009 under part 4 of the state development and public. In sw amazon craton, along the boundary between the ventuaritapajos 1.
Lecture notes structural geology earth, atmospheric, and. Regional geology 1985 bowen basin spatial data format. Some elongated structural basins are also known as synclines. In mid 2011, evidence of a continuing mining boom was provided by state government figures which showed more than 50 mining projects are under consideration in the bowen basin. Coordinator generals evaluation report for an environmental impact statement bowen basin coal growth project. In situ stress distribution and mechanical stratigraphy in.
Plunging fold axis layers will be curved in map view vi. The bowen basin is a structurally complex area occupied by a thick sequence of permian. In this study, the interpretation of deep borehole data table 2 and seismic lines. Queensland geology series datasets open data portal. Introduction to structural geology school of earth and. In the maranoabalonnecondamine subregion, the surat basin, which is part of the gab, overlies the southern bowen basin, and also extends beyond the margins of these older.
It was named for the bowen river, itself named after queenslands first governor, sir george bowen. Part or all of this report is presented in portable document format pdf. Anyone with an interest in bowen basin geology in particular, and coal geology in general is welcome and membership is free. Together with earlier data from the eastern part of the jurassic surat basin, our results show a broad, but systematic, rotation of s hmax azimuths in this part of eastern australia as well as systematic changes in stress state wi. Prepermian basement and lithological controls on the. Coal seam gas is also found along a broad fairway in the walloon coal measures of the surat basin. Queensland, australia continues to be prospective for petroleum resources, in addition to hosting vast. Oil and gas fields of williston basin and adjacent areas 16 4. The journal aims to advance the exploration, exploitation and utilization of these resources, and to stimulate environmental awareness as well as advancement of engineering for effective resource management. It has been running for over 30 years and has a great history and general guidelines click here. Manual interpretations may require a complete restart to make minor changes and are less. There was a combined population of 41,973 people in the area in 2001.
Results corroborate the general subdivisions of these different coal measures relative to. The geology of queensland is divided into three main structural divisions. The bowen basin is a part of a larger sedimentary basin system bowen, gunnedah and sydney basins. Triassic volcanics and sediments whose depositional history is also complex and in many places has controlled the subsequent structural development. Welch4 1radioactive waste management ltd, building 587, curie avenue, harwell, oxfordshire ox11 0rh, uk 2university of aberdeen, school of geosciences, kings college, aberdeen ab24 3ue, uk 3deep exploration technologies cooperative research centre, po box 66, export park. A structural basin is a largescale structural formation of rock strata formed by tectonic warping of previously flatlying strata. Faults fracture a discontinuity or break in rock fault a discontinuity in which one block has slipped past another mode ii or iii joint a discontinuity in with no slip parallel to fractures some opening mode i 1. The polygons in this dataset are a digital representation of the distribution.
A new interpretation and model of the mooniegoondiwindi and burungaleichhardt fault systems in queensland. Structural geology of the wind river basin, wyoming. Influence of basement structures on in situ stresses over. A post amalgamation marine basin in the arabian shield. Its scope of study is vast, ranging from submicroscopic lattice defects in crystals to fault structures and fold systems of the earths crust. The methods of structural geology are nearly as diverse as those of the geologic sciences as a whole. It has a maximum sediment thickness of about 10 000 metres concentrated in two northtrending depocentres, the taroom trough to the east and the denison trough to the west. Defining zagros structural domains in the kurdistan region of. Queensland murraydarling basin deep sediments of the. The permiantriassic bowen basin and the jurassiccretaceous surat basin evolved in a backarc tectonic setting behind an active convergent plate margin in eastern gondwana. Bureau of mineral resources, australia, bulletin 166.
The sydney basin forms part of the composite permiantriassic age sydneygunnedah bowen basin sgbb system, which extends for approximately 1700 km from southern nsw to central queensland, as illustrated in figure 28. Geology geological formations of the bowen basin are mainly comprised of alternating layers of sandstones, shale, tuff, siltstones and mudstones from the permian to triassic sediments formed 252 to 541. Terry engelder department of geosciences 336 deike building the pennsylvania state university university park, pennsylvania 16802 phone. Structural geology, scientific discipline that is concerned with rock deformation on both a large and a small scale. It occupies an area of approximately 160,000 km 2, the southern half of which is covered by the surat basin. Maximum sediment thickness in bowen basin reaches about 10,000 m, concentrated in two north trending depocentres, the taroom trough to the east and the denison trough to the west fig.
Coal beds and tuff horizons were used as stratigraphic markers, supported by chemostratigraphy and age dating. Structural geology of the wind river basin, wyoming professional paper 495 d by. The colours will fade on exposure to strong light australia 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 5 140 145 150 155 160 165 170 175 180. A new interpretation and model of the mooniegoondiwindi and. Numerical modelling 4 methods in structural geology. Coordinatorgenerals evaluation report for an environmental. The bowen basin spans roughly 200,000 km 2 of eastern australia, covering a large area of eastern queensland and part of northern nsw cadman et al. The bbgg also host the bowen basin symposium once every five years. The bowen basin is part of a connected group of permotriassic basins in eastern australia that includes the sydney and gunnedah basins. Thickened seals hinge lines decoupled between surface and reservoir level anticlines tough seismic acquisition and imaging often karstified reservoir carbonates at surface.
Surface mining of coal can involve extensive footwall slopes parallel to shallow to moderately dipping coal measures strata. Structural basins are geological depressions, and are the inverse of domes. The sydneygunnedah part of the basin also referred to as the sydneygunnedah basin is up to approximately 600 km long and approximately 200 km wide and. Viability of coal seam gas production is partially dependent on the intersection of production wellbores. Geostatistical drillhole spacing analysis for coal. Deformation is the change in shape, position andor volume of an object in response to applied forces. The bowen basin geologists group bbgg is a not for profit organisation run by volunteers from across industry, research and consulting. Although source and reservoir rocks and structure appear suitable for accumulation.
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