Pdf geology and petroleum potential of the gascoyne platform. Accommodation, sediment supply, and deltaic process regime. Hocking, 1987, western australia geological survey edition, in english. An inventory and condition survey of rangelands in the. The onshore part of the carnarvon basin covers about 115,000 km. Geology of the carnarvon basin, western australia 1987. Carnarvon artesian basin water management plan water resource allocation and planning, no. Pdf a summary of the geological evolution and the petroleum. Carrandibby inlier separates the merlinleigh sub basin from the relatively shallow. The cretaceous barrow group highs and triassic mungaroo tilted fault blocks identified in the fast track cube have been the highlight of initial investigations into the dataset. Northern carnarvon basin department of industry, science, energy.
Site characterisation for geological storage of carbon. Late triassic prospectivity insights from automated pre. The exmouth plateau is an elongate northeast striking extensional passive margin located in the indian ocean roughly 3,000 meters offshore from western and northwestern western australia the plateau makes up the westernmost structural unit of the northern carnarvon basin, which comprises the exmouth, barrow, dampier, and beagle subbasins, and the rankin platform. It has been over two hundred million years in the making. Permian stratigraphy and palynology of the carnarvon basin. Wa museum records and supplements updated 5 years ago.
Lower cretaceous sediments cover the gascoyne, exmouth, and onslow basins, and upper cretaceous the western part of the gascoyne basin and the exmouth. Southern carnarvon basin department of mines, industry. The basin is located at the southern end of the north west shelf of australia. The carnarvon basin is a geological basin located in the north west of western australia. The moolayember formation is the oldest sequence in the gorge. Geology of the southern carnarvon basin, western australia a field guide. View petroleum geology information for the northern carnarvon basin provided by geoscience. Structural evolution and hydrocarbon potential of the.
Outlineofthe geology and hydrogeology ofcape range. The northerly elongate southern carnarvon basin is composed of two principal structural elements. Point counting is a statistical method of estimating the proportion of different mineral occurrences and porosity in a thin section slide using a petrographic microscope. View petroleum geology information for the northern carnarvon basin. The basin is host to multiple world scale lng projects, a number of oil projects and is also a region being actively explored by major international oil companies. The origin of overpressure in the carnarvon basin, western. It is 70 km 43 mi northwest of the gorgon gas field, 140 km 87 mi northwest of barrow island, and 250 km 155 mi from dampier on the northwest coast of western australia. Permiancarboniferous geology of the northern perth and southern carnarvon basins, western australia a field guide technical report pdf available january 2011 with 514 reads how we. Permian stratigraphy and palynology of the carnarvon basin, western australia.
Tectonic and stratigraphic history of the perth basin. Omar anwar elganzoury kirelos saad samir ahmed samir barakat khaled osama abd elmoaty mahmoud mohamed elhabashy the northern carnarvon basin 2. Outlineofthe geology and hydrogeology ofcape range, carnarvon basin, western australia a. Pdf the gascoyne platform in the southern carnarvon basin extends for 600 km between the northampton complex to the south and the exmouth subbasin. They contain triassic, jurassic and early cretaceous sediments that can exceed 15 km in thickness bradshaw et al.
Abstract the janszio gas field is located in production licenses wa36l, wa39l, and wa40l within the carnarvon basin, northwest shelf, australia. Northern carnarvon basin, through the browse basin into the bonaparte basin, and along the southern edge of the new guinea fold belt. Disequilibrium compaction was identified as the dominant overpressuregenerating mechanism in wells along the rankin trend as far south as. Outline of the geology and hydrogeology of cape range, carnarvon basin, western australia. Abstract cape range is composed of a sequence of predominantly calcareous sedimentary rocks of.
A summary of the petroleum geology of the carnarvon basin. A summary of the geological evolution and petroleum potential of the southern carnarvon basin, western australia. Blocks wa528p, wa529p and wa530p cover more than 23,000 square kilometres and are located about 220 km northwest of dampier off the coast of western australia. Seebase construction overview depth to magnetic source modelling calibrated to gswa seismic interpretations and drillholes.
The northern carnarvon basin is australias premier hydrocarbon province geoscience australia, 2015. The rocks immediately underlying, and forming the core of the range are a sequence of. Pdf a summary of the geological evolution and petroleum. The purpose of the gpgt campaign is to acquire data to inform hess future engineering design for the potential development of petroleum resources. It is underlain by about 10,000 m ofphanerozoic edimcntary rocks of which the upper 1,000 m is ofinterest in the contextofthis paper figure 4. The initiation of tropical reef production in the north carnarvon basin was. Notes on the geology of the carnarvon northwest basin. Carnarvon basin, northern carnarvon basin, southern carnarvon basin. Carnarvon basin and its influence on mesozoic extension sam mcharg amy ianson chris elders department of applied geology earthbyte group, department of applied geology curtin university school of geosciences curtin university bentley, wa the university of sydney, nsw bentley, wa sam. Carnarvon gorges landscape is a monument to the power of water and time. Crook, in the geological evolution of australia and new zealand, 1968. There are 39 release areas in the northern carnarvon basin, offshore northwestern australia. While in a relatively underexplored part of the carnarvon basin, the permit covers a significant area and straddles jurassic depocentres wigmore sub basin and whitetail graben.
The carnarvon basin is an epicratonic, faulted and folded phanerozoic basin which encompasses over km of the west and northwest coast of western australia, from geraldton to north of port headland. From the southern carnarvon basin, australia helen gibson chloe burney desmond fitzgerald matt zengerer abstract innovative processing of highresolution aerial geophysical survey data gravity, magnetic and gravity gradiometery combined with minimal geological data can constrain and validate realistic 3d geology models. Thermal history and deep overpressure modelling in the. The only known silurian rocks in western australia occur in the northern part of the perth and in the carnarvon basin. Northern carnarvon basin department of industry, science. The northern carnarvon basin is the richest petroleum province in australia. Its watertight siltstones, mudstones and shales belong to the bowen basin. The study area extends from the rankin trend across the. Keywords and localities geology, carnarvon basin broad terms economic geology, ground water, mineral exploration, petroleum exploration, sedimentary geology, stratigraphy, structural geology.
The regional geology of the merlinleigh and byro subbasins was discussed in the context of the carnarvon basin by hocking et al. This is the main geological feature that makes up the north west shelf. Gpgt campaign hereafter referred to as the activity within the northern carnarvon basin in commonwealth waters, western australia. Arthur john, 1953permian stratigraphy and palynology of the carnarvon basin, western australia. Marginal fault systems of the northern carnarvon basin.
Porosityeffective stress analysis of 37 wells in the carnarvon basin, australia, has identified 12 wells where the overpressure was generated by disequilibrium compaction and four wells where the overpressure was generated by fluid expansion. Carnarvon basin projects cue energy resources limited. Their outcrop is very limited but they have been detected over several thousands of square kilometres in the subsurface, particularly in the western half of. Lower crustal extension across the northern carnarvon basin, australia. Pdf permiancarboniferous geology of the northern perth. This survey report provides a baseline record of the existence and condition of the natural areas resources, to assist with the. Western australia geological survey, report 51, geological survey of western australia, perth, wa localities in this region. Northern carnarvon basin locality map metapolygnathus nodosus metapolygnathus communisti tbmio tmolig beedagong claystone mardie greensand member cossigny member cossigny member mardie greensand member birdrong sandstone 69291 winning group yarraloola conglomerate barrow group guilford 1 saturn 1 parrot hill 1 melanie 1 caretta 1. The petroleum systems of the carnarvon basin will be one of the case. Keywords and localities geology, carnarvon basin broad terms economic geology, ground water, mineral exploration, petroleum exploration, sedimentary geology. Chevron australias affiliate was awarded three new exploration blocks in late 2017 in the northern carnarvon basin. Multiple exploration companies united to prefund fugros largest nonexclusive 3d seismic survey in the carnarvon basin. Driscoll department of geology and geophysics, woods hole oceanographic institution, woods hole, massachusetts garry d.
The geology of the carnarvon basin, western australia. The northern carnarvon basin covers an area of approximately 535 000 km 2, predominantly offshore, in water depths of up to 4500 m. The gascoyne platform contains gently folded ordovician to devonian strata, unconformably overlain by a veneer of mesozoic and younger rocks. Evidence for an eastward dipping detachment neal w. Geological survey editorial standards or with the north american stratigraphic code. A summary of the geological evolution and the petroleum potential of the southern carnarvon basin western australia technical report pdf available january 2003 with 967 reads how we measure. Oceania australia western australia north west shelf carnarvon basin dampier basin talisman field 0. The inventory and condition survey of rangelands in the carnarvon basin, undertaken by the department of agriculture and food, western australia dafwa between 1980 and 1982, describes and maps the natural resources of the regions pastoral leasehold land. Geology 29 general cape range is situated within the exmouth sub basin ofthe carnarvon basin hocking et al. Tectonic and stratigraphic history of the perth basin 1 summary the tectonostratigraphic development of the southwestern corner of australia is illustrated in a plate reconstructed setting with a series of palaeogeographic maps based on a newly compiled structural elements map and chronostratigraphic section for the perth basin. Introduction regional geology petroleum systems outlines 3. Karner lamontdoherty earth observatory of columbia university, palisades, new york abstract.
The permian and carboniferous extensional history of the. Cape range is composed of a sequence of predominantly calcareous sedimentary rocks of palaeocenepliocene age, overlain by plioceneilolocene alluvial, littoral, and shallow water marine sediments on the coastal plain, which. The predominately mesozoic depocentres of the northern carnarvon basin are the exmouth, barrow, dampier and beagle subbasins fig. Alien geological survey ofwestern australia, 100 plain strcct, perth 6004, western australia. Outline of the geology and hydrogeology of cape range. Autocracking and manual interpretation in petrel 20 figure 3. The northern carnarvon basin represents australias westernmost offshore province of the westralian superbasin comprising also the browse, roebuck, offshore canning and bonaparte basins, collectively known as basins of the north west shelf figure 1. Reservoir description and dynamics reservoir characterization exploration, development, structural geology 0. About 50 gascondensate and oil fields, associated mainly with jurassic source rocks, have been discovered in the subbasins and on the rankin platform since 1964. Geology of the southern carnarvon basin, western australia. Geology of the carnarvon basin, western australia by r. This paper explores the reasons why gas is the dominant hydrocarbon and identifies sweet spots for oil. Please see wikipedias template documentation for further citation fields that may be required. Understanding the late triassic mungaroo and brigadier.
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