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Topic: Sedimentary basin

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	Sedimentary basin - Wikipedia, the free encyclopedia
		It is common to categorise sedimentary basins according to the mechanism of formation: tectonic compression (e.g., foreland basins, caused by lithospheric flexure), tectonic extension (e.g., back-arc basins, caused by lithospheric stretching), and tectonic strike-slip (such as pull-apart basins).
		The study of sedimentary basins as a specific entity in themselves is often referred to as basin modelling or Sedimentary Basin Analysis.
		Indeed, sedimentary basins are the location for almost all of the world's hydrocarbon reserves and as such are the focus of intense commercial interest.
	en.wikipedia.org /wiki/Sedimentary_basin (792 words)

	Sedimentary basin analysis - Wikipedia, the free encyclopedia
		Sedimentary basin analysis is a geologic method by which the history of a sedimentary basin is revealed, by analyzing the sediment fill itself.
		Sedimentary basin analysis is largely conducted by two types of geologists who have slightly different goals and approaches.
		Petroleum industry basin analysis is often conducted on subterrannean basins through the use of reflection seismology and data from well logging.
	en.wikipedia.org /wiki/Sedimentary_basin_analysis (312 words)

	Depositional style and subsidence history of the Turpan Basin (NW China)
		The Turpan Basin is connected to the north and northeast with the Bogda Shan and Haerlike Shan and towards the south with the Jueluotage Shan, adjacent to the Tarim Basin (Fig.
		Sedimentary record and climatic implications of recurrent deformation in the Tian Shan: Evidence from Mesozoic strata of the north Tarim, south Junggar, and Turpan basin, northwest China: Geological Society of America Bulletin, 104: 53-79.
		Evolutionary characteristics of intermontane coal basins of the Mesozoic and Cenozoic basins in Tianshan: Xinjiang Geology, 6: 83~91 (in Chinese with English abstract).
	www.essc.psu.edu /~bjhaupt/papers/sed-geol99.sslh/sedgeol99.html (5032 words)

	Geoscience - The Earth - Shaping the Earth - Sedimentary processes and rocks
		Sedimentary rocks form by the breakdown (both physical and chemical) of pre-existing rocks (these may be of igneous, metamorphic or sedimentary origin).
		Sedimentary structures are very important as they provide us with information on the palaogeography and palaeoclimate of the areas in which they occur.
		Sedimentary environments can be classified according to the climate in which they occur and/or the geometrical arrangement of the sediments.
	www.amonline.net.au /geoscience/earth/sedimentary.htm (3868 words)

	SGW My Researches-sedsim
		Simulation results showing the modeled sequences with basin forming tectonics (a) Pre-simulation output for the initial sequence boundary composed of volcanic flows and sills intercalated with sediments on the northern half of the acoustic basement.
		Clastic sedimentary sequences of a 100 km section of the southern part of the late Tertiary Ulleung Basin, East Sea were reproduced using the SEDPAK stratigraphic modeling program.
		The input parameters that described the sedimentary facies, paleobathymetry, and variations in eustasy were derived from both seismic and well data, and were used to forward model a basin interpretation.
	www.geo.umn.edu /people/grads/kimx0826/project-sedpak.htm (451 words)

	BAsins.html
		The objective is the theoretical determination of the eigenmodes (eigenfrequencies and eigenfunctions) of elastic waves in sedimentary basins of arbitrary shape, with emphasis on the study of how irregularities in the basament's topography influence the ground motion at the earth's surface.
		It is important to emphasize that we are mostly interested in the response in which the effect of basin's geometry and basement topography are maximized by a high rock/sediment impedance contrast, efficient lateral wave trapping and normally attenuating, uniform or nearly uniform sediments, i.e., circumstances under which focusing, amplification and resonance are likely to occur.
		Since a sedimentary basin is thoroughly and uniformly "illuminated" when earthquakes occur directly underneath, the chances of exciting a large number of the resonant modes of the basin (and sub-basins) are highest, and consequently the risk of double resonance is effectively increased.
	www.geolab.unc.edu /faculty/rial/WPL/Basins.html (824 words)

	Untitled Document
		So we would expect from this model that if sedimentary basins were holes that became filled with sediments they would generally have deep-water deposits at their base and shallow-water deposits on top.
		The overwhelming majority of sedimentary rocks were deposited in areas with slopes in the range of 0.001 or less.
		We see sedimentary rocks in places where they are being exposed by erosion—they are in the process of being recycled into new sediments that will ultimately (if they are lucky) make new sedimentary rocks.
	www.geo.umn.edu /courses/4602/Spring01/lecture1.html (2057 words)

	USC Sequence Stratigraphy: two sided carbonate & clastic fill of a sedimentary basin movie
		This module is based on a movie of a 3D rendered Sedpak simulation that provides the cross sections of the evolving sedimentary geometries and a 3D perspective of the resulting depositional surfaces responding to changes in base level.
		Somewhere about 2/3rds of the way across the basin and halfway through the simulation the right hand side of the basin is uplifted.
		The onset of the TST is accompanied by the restarting of deposition of carbonate on the left flank of the deepwater basin.
	strata.geol.sc.edu /two-sided-movie.html (839 words)

	Nigeria - Sedimentary Basins - OnlineNigeria.com
		Nigeria is underlain by seven major sedimenta- ry basins, viz: (from the oldest), the Calabar Flank, the Benue Trough, the Chad Basin, SE lullem- menden (Sokoto) Basin, the Dahomey Basin, and the Niger Delta Basin.
		Sedimentary succes- sions in these basins are of middle Mesozoic to Recent age.
		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.
	www.onlinenigeria.com /geology/?blurb=502 (189 words)

	Advanced Chemistry Basin Model
		Sedimentary basins represent an exciting new area of application for modeling techniques developed and applied at the MSC.
		Basin modeling attempts to reconstruct the thermal, pressure, fluid-flow, and fluid compositional history of a sedimentary basin using a combination of seismic and oil-well data.
		The current state-of-the-art in basin modeling involves two-dimensional modeling of the physical state of the basin.
	www.wag.caltech.edu /anmeeting/2000/presentations/meulbroek (414 words)

	Subsidence characteristics of the Turpan Basin (NW China) and its tectonic implications
		The Turpan Basin evolved from a back-arc basin in the Late Paleozoic into a foreland basin in the Mesozoic, and a large intermontane basin of the Tian Shan in the Cenozoic.
		5) and detailed observations in the field, it is clear that the thermal subsidence existed in the basin and the higher rates of basin subsidence occurred with coarse clastic deposition at the same time, reflecting a coincidence of the rapid tectonic subsidence and the strong erosion in the nearby source regions.
		The Turpan Basin evolved from a backarc basin in the Late Paleozoic into a foreland basin in the Mesozoic, and a large intermontane basin of the Tian Shan in the Cenozoic.
	www.essc.psu.edu /~bjhaupt/papers/nat-sci98.sslh/natsci98.html (2300 words)

	Newark Basin Text
		The gentler side of the triangle is the "floor" of the basin, and separates rift-basin sediments from rocks that pre-date the formation of the basin.
		Strata within the basin generally dip to the northwest, although strata are subhorizontal adjacent to the border fault, where the seismic line crosses a fold.
		Thus, the lacustrine strata in the Richmond basin represent a humid end member, the lacustrine strata in the Fundy basin represent an arid end member, and the lacustrine strata in the Newark basin are intermediate between the two end members.
	geology.rutgers.edu /103web/Newarkbasin/NB_text.html (5196 words)

	Oilfield Glossary: Term 'basin'
		A depression in the crust of the Earth, caused by plate tectonic activity and subsidence, in which sediments accumulate.
		Sedimentary basins vary from bowl-shaped to elongated troughs.
		Rift basins are commonly symmetrical; basins along continental margins tend to be asymmetrical.
	www.glossary.oilfield.slb.com /Display.cfm?Term=basin (93 words)

	Development of the Sydney Basin
		This is just one of several basins of similar age and with similar sedimentary rock sequences that extend from near Batemans Bay in the south, to south of Townsville in the north, a distance of several thousand kilometres, and collectively termed 'The Sydney-Bowen Basin'.
		The Sydney Basin is bound to the south and west by older, largely metamorphic and granitic rocks of the Lachlan Fold Belt.
		The Sydney Basin was initiated by crustal rifting in the Early Permian.
	www.amonline.net.au /geoscience/events/event-sydney-basin.htm (703 words)

	East Continent Rift Basin
		This study is a continuation of research begun in 1990 with the discovery of the East Continent Rift Basin, a basin filled with Mesoproterozoic (950(?) to 1020 million years old) sedimentary (Middle Run Formation) and volcanic rocks in central and western Kentucky, southern Indiana, and western Ohio.
		An understanding of this basin is critical in the development of models for the early geologic evolution of the eastern Midcontinent and in relating the basin architecture to earthquake hazards and to assessment of its mineral-resource and waste-disposal potential.
		In addition to the recent discovery of a Proterozoic sandstone with natural-gas potential in the central Kentucky part of the basin, an ancient eroded mountain belt, called the Hoosier thrust belt, was discovered lying farther northwest in the English Basin part of the East Continent Rift Basin of Kentucky and southern Indiana.
	www.uky.edu /KGS/emsweb/ecrb/ecrb.html (380 words)

	ABSTRACTS FROM THE NEWARK BASIN CORING PROJECT
		Cyclostratigraphy with the Newark Basin, consisting of Van Houten cycles of 21,000 years, the associated beat cycles of 100,000 and 400,000 years, and the obliquity cycle of 41,000 years are observed in spectral analyses of reflectivity series from the Titusville.
		The Stockton Formation (1800 m) is the early rift basin sedimentary phase, consisting of conglomerates, sandstones and shaley mudstones that contain nodular carbonates (calcrete) arranged in repeated packages of upward fining sequences.
		This is because the sedimentary porosity and permeability were reduced at an early stage of deposition, due to the synsedimentary alteration of clays to analcime which infilled the original porosity of the sediments.
	www.ldeo.columbia.edu /~polsen/nbcp/abstracts1.html (4403 words)

	Coal-Bearing Regions and Structural Sedimentary Basins of China and Adjacent Seas: Structural sedimentary basins
		Procedures_Used: The structural sedimentary basins were digitized from the Energy Mineral Resource Map of China and Adjacent Seas, published in 1992 by the Geological Publishing House, Chinese Institute of Geology and Mineral Resources Information and Institute of Mineral Deposits of Chinese Academy of Geological Sciences, utilizing ARC/INFO.
		The purpose of this dataset is to give geologists and other scientists a spatial database of structural sedimentary basins in China.
		The structural sedimentary basins were digitized off of the Energy Mineral Resources Map of China and Adjacent Seas map.
	geo-nsdi.er.usgs.gov /metadata/open-file/00-47/sed_basins.faq.html (760 words)

	Maps showing sedimentary basins, surface thermal maturity, and indications of petroleum in the central Alaska province: ...
		This is a digital version of Charles E. Kirschner's map titled Map showing sedimentary basins of onshore and continental shelf areas, Alaska, USGS Miscellaneous Investigations Series (I-1873), 1988.
		All attribute data are taken from Kirschner's previously published Map showing sedimentary basins of onshore and continental shelf areas, Alaska, USGS Miscellaneous Investigations Series (I-1873), 1988.
		Older sedimentary basins, Lower Tertiary in age, are present as remnants of older basins.
	geo-nsdi.er.usgs.gov /metadata/map-mf/2428/seds_basins.html (999 words)

	Register of Ecological Models: BASIN
		BASIN is a finite-element program, that simulates the filling of a sedimentary basin and includes transport, erosion and consolidation of sediment, tectonic processes like isostatic compensation, consolidational fluid flow, topography driven fluid flow, heat flow including advection, solute transport.
		Results from experiments with BASIN may be quite numerous (in some cases may exceed 600 files) and BASINVIEW is a fast visualisation tool designed to work with GhostScript.
		An experiment on fluid flow in a compressive sedimentary basin involving several nappes moving into the basin.
	dino.wiz.uni-kassel.de /model_db/mdb/basin.html (356 words)

	G528 - Sedimentary Basin Analysis (Site not responding. Last check: 2007-10-31)
		Typically, sedimentary data are placed into some sort of stratigraphic framework which involves the measurement and description of key stratigraphic sections.
		The stratigraphic unit we will focus on in this lab will be a key part of the basin analysis of the Missoula Valley we will do later in the semester.
		This formation was deposited during the early phases of Basin and Range extension in western Montana and adjacent parts of Idaho.
	www2.umt.edu /geology/faculty/hendrix/g528/g528_lab1.htm (1475 words)

	Quantitative Basin Analysis
		Quantitative Basin Analysis (QBA) and provide a quantitative understanding of the interplay between tectonic deformation of the lithosphere, basin* architecture, and the infill stratigraphy of the basin.
		To define the influx of heat into a basin system, consistent with the geological development of the basin, as a function of space and time for use with geochemical modeling packages.
		The crustal Bouguer gravity, because it highlights density contrasts within the crust, tends to accentuate sedimentary basins and flexurally compensated features such as rift flanks.
	www.ldeo.columbia.edu /karner/QBA.word.html (789 words)

	Basin Reconstruction
		The Triassic and Jurassic sedimentary basins of southwestern North America have been initiated by, and subjected to, syndepositional and postdepositional contractile, extensional, and transcurrent deformation.
		Undeformed large portions of these sedimentary basins are preserved on the Colorado Plateau.
		This evolution of sedimentary basins is manifested on the Plateau by abrupt changes in the geographic distribution of tectonic and magmatic elements beyond the western, southwestern, and southern margins of the Colorado Plateau.
	www.science.siu.edu /geology/people/marzolf/basinresearch.html (1023 words)

	Basin Research - Journal Information
		Basin Research is an international journal which aims to publish original, high impact research papers on sedimentary basin systems.
		Rather, we seek manuscripts that treat sedimentary basins as multi-component systems that require a multi-faceted approach to advance our understanding of their development.
		Basin Research regularly publishes Special Issues summarising the state of the art in their field and making essential reading and reference material for researchers and lecturers alike.
	www.blackwellpublishing.com /journal.asp?ref=0950-091X (370 words)

	Recent Publications of the Basin Analysis Group (Site not responding. Last check: 2007-10-31)
		Trop, J.M., Ridgway, K.D., and Layer, P.W., 2002, Mesozoic sedimentary basin development on the allochthonous Wrangellia composite terrane, Wrangell Mountains basin, Alaska: A long-term record of terrane migration and arc construction: Geological Society of America Bulletin, v.
		Mark Lesh, M.S., 2002 – Neotectonics and stratigraphy of the Alaska Range foreland basin and regional cross section of southern Alaska.
		Jeffrey Trop, Ph.D., 2000 - Sedimentary basin development within the Wrangellia composite terrane, Mesozoic Wrangell Mountains basin, southern Alaska: A long-term record of terrane migration and arc construction, Ph.D. thesis, 310 p.
	www.purdue.edu /eas/basin/pubs_theses.html (1002 words)

	Sedimentary Basin Analysis (Site not responding. Last check: 2007-10-31)
		About Sedimentary Basin Analysis: This course investigates the mechanisms involved in the initiation, evolution, and preservation of sedimentary basins.
		10% = student-led discussion of a basin analysis paper in the second ½ of the semester (group assignment).
		2) In particular, the final paper is an opportunity for you to investigate a specific basin, and you may choose one directly related to your ongoing research or potential future interests—take advantage of this assignment and do not procrastinate.
	www.mines.utah.edu /basins/Teaching/SedBasins/Syllabus.htm (1293 words)

	High-Resolution Aeromagnetic (HRAM) Surveys: Exploration Applications from the Western Canada Sedimentary Basin -- ...
		Typical high-resolution aeromagnetic (HRAM) data in the fold belt region of the Western Canada Sedimentary Basin (WCSB), acquired with fixed-wing aircrafts flying 125 meters above the ground, imaged deformed lithological units, allowing the recognition of key geological structures within the detached sedimentary section.
		We also illustrate that an important contribution of HRAM surveys is the detection of reactivated basement faults, which either enhance the reservoir potential of rocks or result in the compartmentalization of certain hydrocarbon traps.
		The imagery represents an amalgamation of several different speculative HRAM surveys that were collected over the past decade by industry vendors and the Geological Survey of Canada (GSC).
	www.searchanddiscovery.com /documents/2004/berger/index.htm (2141 words)

	Sedimentary Basin Development in Extensional Settings (Site not responding. Last check: 2007-10-31)
		Coarse-grained siliciclastic deposits in this mountain range contain the record of mid-Tertiary basin development associated with displacement along a regional detachment fault.
		The lack of mylonitic fabrics along this well exposed detachment fault suggests smaller amounts of displacement relative to the more highly extended terranes associated with metamorphic core complexes in other parts of the Cordillera.
		Structural and sedimentological analysis of deformed Tertiary sedimentary rocks in the Mohawk Mountains, therefore, provides an opportunity to study deformation and basin development at the higher structural levels of a detachment fault system.
	www.purdue.edu /eas/basin/exten_basin.html (166 words)

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