Sedimentary basins of africa part of the geology of africa pages in category sedimentary basins of africa the following 22 pages are in this category, out of 22 total. A technical paper on sedimentary basins of india submitted by. Sedimentary basins range in size from as small as hundreds of meters to large parts of ocean basins. Executive summary the dynamics of sedimentary basins the. Sedimentary succes sions in these basins are of middle mesozoic to recent age. The sirte basin is a major sedimentary basin that extends southward from the gulf of sirte in central libya. Purchase the sedimentary basins of the united states and canada, volume 5 1st edition. Libya consists of seven sedimentary basins, namely the. Preliminary catalog of the sedimentary basins of the.
Request pdf an evaluation of the hydrocarbon potential of the sedimentary basins of libya distinctive structural and stratigraphic styles, together. Sedimentation and tectonics in rift basins red sea. Contrary to prevailing opinion, all libyan sedimentary basins and the aljabal alakhdar platform contain prolific petroleum accumulations with very high prospectivity. Sedimentary basins 46 tabuk subbasin, saudi arabia 47 widyan subbasin, saudi arabia 47 sirhan subbasin, jordan 47 rub al khali and ras al khaimah subbasins, saudi arabia u. Libya and the great challenges of overcoming difficulties. Geol201 sedimentary basins vancouver island university. Robertson basins and plays tellus sedimentary basins. These resulted in a series of mixed layers of paleozoic marine and nonmarine sediments shale and sandstone that accumulated in the southern basins. Four major potential source rocks have been identified in libya. Africa covers a larger land area than the usa, europe, india and the asean nations put together.
Even if the first three epsaiv bidding rounds are taken into consideration, considerable libyan acreage still remains. Oil and gas reserves and production in libya are owing to the contribu tion of five main sedimentary basins fig. Following on from the first 2 books in the series, sedimentary basins of the world, which covered chinese sedimentary basins volume 1 and south pacific sedimentary basins volume 2, comes volume 3, on african basins. Tectonic movements occurred in northern libya were responsible for the large sedimentary sequences in libyan basins. Infracambrian sediments in libyan sedimentary basins request pdf. The downdropped basin formed during rifting because of stretching and thinning of the continental crust. Wikimedia commons has media related to sedimentary basins of africa. Some of the sag basins, such as the karoo, are clearly syndepositional in origin, with clear evidence that subsidence was coeval with, and exerted a strong control on. The essential element of the concept is tectonic creation of relief, to. Intracratonic basins form within stable continental interiors. Sedimentary basins range in size from as small as hundreds of.
Request pdf an evaluation of the hydrocarbon potential of the sedimentary basins of libya distinctive structural and stratigraphic styles, together with the timely development of source rocks. Libya and the great challenges of overcoming difficulties to. Parameters controlling distribution of diagenetic alterations. Infracambrian sediments in libyan sedimentary basins home. In the deepwater beyond the 200m isobath, the sedimentary area has been estimated to be about 1. At their largest, sedimentary basins can be hundreds to thousands of kilometers in horizontal dimensions and contain more than 10 15 m 3 of buried materials. The basic premise to explore the petroleum is the existence of sedimentary basin. Canadian border, into which large volumes of clastic sediment that is, sediment of predominantly clay, silt, and sand sizes were deposited.
However, many geologie processes are complex and result from the interaction of many, seemingly unrelated, individual factors. The sirte and hagfa shales have generated hydrocarbons for most of the prolific reservoirs in the sirte basin. Tectonic extension at divergent boundaries where continental rifting is occurring can create a nascent ocean basin leading to either an ocean or the failure of the rift. They are pervasive on earth and form in response to complex geologic processes. Proved petroliferous basins with commercial production basinal area onland, km2 5100 56000 28000 25000 60000 126000 basinal area offshore up to 200m isobath, km2 2500 116000 24000 30000. Pages in category sedimentary basins of africa the following 22 pages are in this category, out of 22 total. The geology of indonesiasedimentary basins wikibooks. The subsidence can result from a variety of causes that include. Three of these, the sirte, ghadames, and murzuq, together with the offshore tripolitanian basin, are the main oil producing basins of libya. The sirte basin, located in the north central part of libya, is one of four known sedimentary basins in libya.
Sedimentary basins are regions of earth of longterm subsidence creating accommodation space for infilling by sediments. Such sediments would have been derived by erosion of high plateaus. Geometry forms a 0kmlong and 150 to 300kmwide curved feature extending over much of the deep basin from the ionian to. A full field static model of the rgoil field, central. The sedimentary basins of the united states and canada, volume 5. This basin is located in northwest libya and covers more than 200,000 km2, extending into southern tunisia and central algeria, with total estimated recoverable oil of 6 billion barrel of oil, proven. Robertson basins and plays tellus sedimentary basins of the world map aapg datapages and the gis publications committee wish to thank robertson a cgg company for allowing the robertson sedimentary basins of the world map to be posted on datapages gis open files page, thereby making it available to the public as a free download. The espanola basin is a medium rift basin that is part of the rio grande rift system. Evidence from the libyan basins, authormuftah ahmid khalifa, year2016. Pdf petroleum system of the murzuq basin researchgate. This chapter describes the stratigraphy and tectonic evolution of sirte basin of libya.
Cratonic basins convergence related basins strikeslip basins. Basins of india sedimentary basin petroleum geology. The boundary for this basin is derived primar ily from the basin outline shown on frezon and finn 1988. Petroleum potential of the libyan sedimentary basins. Thermal history of sedimentary basins springerlink. Two of these basins with distinctly different hydrologic regimes are the gulf coast basin and the palo duro basin part of the perm1an basin. This rift basin is generally regarded as the best natural geological laboratory in the world in which to study the processes of rift formation. Petroleum potential of the underexplored basin centers a. The sirte basin province is characterized by one dominant petroleum system, the sirtezelten, which is subdivided into four assessment units. The sedimentary basins of india, onland and offshore up to the 200m isobath, have an areal extent of about 1. In terms of percentage of the total libyan basin area of 1,382,500 sq km, 31% had been given out for exploration and production by end2004. Preliminary catalog of the sedimentary basins of the united states by james l. Subsidence along a passive margin, mostly due to longterm accumulation of sediments on the.
In cameroon, there are two main types of sedimentary basins, which belong to three active african petroleum systems, namely, niger delta, west african salt basins and southern and central africa rifts. Other articles where sedimentary basin is discussed. The upper cretaceous sedimentary reservoir rocks were deposited along the crest of a paleohigh composed of lower paleozoic or upper precambrian granitic rocks. The collection of papers in this volume is a direct result of the society of economic paleontologists and mineralogists research symposium on thermal history of sedimentary basins. The generation and entrapment of hydrocarbon in libya was controlled by the tectonic history of each individual basin. According to energy intelligence research, in 2003 libya was the 11th largest exporter of petroleum in the. They are located in five major onshore sedimentary basins. Known as sedimentary basins, these features come in many shapes and sizes.
If rich hydrocarbon source rocks occur in combination with appropriate depth and duration of burial, hydrocarbon generation can occur within the basin. The sirte basin also referred to as sirt basin is a late mesozoic and tertiary continental rift, triple junction, in northern africa that borders a relatively stable paleo. An evaluation of the hydrocarbon potential of the sedimentary. Pdf sedimentary basins of libya 4 th symposium the. Basin cambay assam shelf bombay offshore krishnagodavari cauvery assamarakan fold belt rajasthan. Sedimentary basins of libya 4 th symposium the geology of southern libya a field seminar on the upper ordovician and devonian of al qarqaf area, sw libya. Convergent boundaries create foreland basins through tectonic compression of oceanic and continental crust during lithospheric flexure. Sedimentary basins form primarily in convergent, divergent and transform settings. Some of the more important of these environments are illustrated in figure 6. The libyan sedimentary section represents successive marine transgressions and regressions that began in the early paleozoic. Red sea gulf of aden presents new case studies and synthesises the results of recent research on the sedimentological evolution of the red sea gulf of aden rift system. Preliminary catalog of the sedimentary basins of the united. Pdf download sedimentary basins and petroleum geology of. These variations can be interpreted as consequences of an ongoing collision against the libyan continental promontory.
Robertson basins and plays tellus sedimentary basins of. Sedimentary basin is a depression on the earth surface the can accummulated the sedimentation material through time. Marine sedimentary basins form by a variety of tectonic processes including lithospheric stretching in rift figs. This basin is located in northwest libya and covers more than 200,000 km2, extending into southern tunisia and central algeria, with total. The producing sedimentary basins in libya are the sirt, ghadamis, murzuq, and tripolitania basins, collectively containing the countrys major 320 producing oil fields. The ghadames basin is one of the most important sedimentary basins for producing oil and gas in libya. Pdf download sedimentary basins and petroleum geology of the middle east read online. Older sedimentary deposits were not preserved, probably because during the paleozoic early mesozoic, what is now nigeria was a broad regional basement uplift, with no major basin subsi dence for sediment accumulation.
The sedimentary basins of the united states and canada. A good example is the western canada sedimentary basin extending from the eastern side of the rocky mountains to central manitoba. Methods and case histories held as part of the american association of petroleum geologists annual convention in new orleans in march 1985. The sedimentary basins of africa are largely of two types, sag basins, and failed rifts clifford 1986.
Request pdf infracambrian sediments in libyan sedimentary basins infracambrian sediments are widely distributed in libya, outcropping on the eastern and. Sedimentary basins occur in diverse geological settings usually associated with plate tectonic activity. Cahan the text accompanying this catalog gives a very brief synopsis of the age and style of the listed sedimentary basins and is not intended to be a substantial discussion of all of. Depositional analogues libyan oil basins introduction this set of pages introduce the geology of libya and its petroleum resources with links to maps and cross sections assembled from a variety of publications and geological sources by hassan salem hassan swalem to his family, for his phd geological studies at the university of south. Infracambrian sediments in libyan sedimentary basins. Some of the sag basins, such as the karoo, are clearly syndepositional in origin, with clear evidence that subsidence was coeval with, and exerted a strong control on, sedimentation chapter 12. It also includes the east flank of the volcanic and volcanosedimentary rocks of the jemez volcanic field. Executive summary the dynamics of sedimentary basins. Since most of the sediment transporting agent are water, the sedimentary basin usually the place where the water finally accummulate. E 48 zagros basin, iran 48 palmyra and sinjar subbasins, syriairaq 50 the mesopotamian subbasin, iraq 50,red sea and gulf of aden subbasin, saudi arabia. Sedimentary basins in india india has 26 sedimentary basins covering an area of 3.
The sirte basin province of libyasirtezelten total. Examples of a smaller intracratonic basins are the proterozoic athabasca basin in saskatchewan and the mesozoic bowser basin in northwestern bc. This signifies that we still need generalists who have the broad overview and are able to evaluate the great variety of factors and pro ces ses controlling a geologie system, such as a sedimentary basin. The geology of indonesiasedimentary basins wikibooks, open. It is found that, unlike the basins of southern libya and. Remote sensing and field analysis of the palaeozoic structural style. Sedimentary basins, or simply basins, vary from bowlshaped to elongated troughs. The challenges of basin research are to understand why sedimentary basins formed where they have and subsided when they did, to characterize the properties of basins and their fill, and to identify the processes that have modified basin materials and their contained fluids. The total reserves exceed 44 billion barrels of recoverable oil and 37 trillion cubic feet of gas. The basin developed from the late paleozoic through much of the early cretaceous, with continuous uplift that created the sirte arch. Sedimentary basins societe nationale des hydrocarbures. Stratigraphic nomenclature of the sedimentary basins of libya project workshop jul 252017, tripolilibya. Palaeozoic petroleum systems of the murzuq basin, libya.
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