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Topic: Eustasy

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	USC Sequence Stratigraphy - Historical Perspective on recognition of Eustasy (Site not responding. Last check: 2007-11-03)
		Glacially induced eustasy was widely recognized, and the isostatic uplift of landmasses once covered by ice was traced using the raised beaches of the Northern hemisphere.
		Suess (1906) was one of the first geologists to recognize the importance of movements of eustasy and their effect on the deposition of marine sediments.
		Suess (1906) described three means of recognizing changes in sea level which include (1) the different positions of the old strandline sediments deposited by ancient seas on the continent, (2) the paleo-bathymetry of sedimentary formations, and (3) the elevation of old strand lines with respect to the present coast.
	strata.geol.sc.edu /history/eustasy.html (864 words)

	Allagamenti
		From that point on the exploitation of water resources from artesian wells was prohibited and the result was a rapid increase in the pressure of the underground water supply with a consequent small but important altimetric recovery of the ground level.
		Eustasy, or the variation in sea level, is tied to changes in the world's climate.
		During cold periods, precipitation is withheld on the continents in the form of ice and consequently the level of the sea lowers.
	www.salve.it /uk/soluzioni/problemi/P-allagamentiA.htm (1489 words)

	Isostasy information - Search.com
		Eustasy is another cause of relative sea level change quite different from isostatic causes.
		The term "eustasy" or "eustatic" refers to changes in the amount of water in the oceans, usually due to global climatic changes.
		When the term "relative" is used in context with "sea level change", the implication is that both eustasy and isostasy are at work, or that the author does not know which cause to invoke.
	domainhelp.search.com /reference/Isostasy (798 words)

	texteust (Site not responding. Last check: 2007-11-03)
		Eustasy is defined as the rise and fall of sea level.
		From the standpoint of glaciology, the implications of the changing of relative sea level are global in scope.
		There is a measurable gravitational attraction of sea water to a large ice mass, causing a localized rise in sea level exponentially closer to the ice.
	www.homepage.montana.edu /~geol445/hyperglac/sealevel2/texteust.htm (1368 words)

	Modelling method for forming a model simulating multilithologic filling of a sedimentary basin - Patent 7043367
		These numerical models simulate the transportation and the sedimentation (or the erosion) of sediments in the basin and are based on a description of the nature, from an estimation of the eustasy, the subsidence and the sediment supply.
		Eustasy is the variation of the surface of the oceans simultaneously observed on all of the earth's surface, and subsidence is the absolute displacement in time of the bottom of a sedimentary basin in relation to a fixed reference level.
		The accommodation for sedimentary filling of the basin is the sum of the eustasy and of the subsidence.
	www.freepatentsonline.com /7043367.html (4626 words)

	Regional Tectonics, Stratigraphy, Reservoir Characterization and Petroleum Systems in an Eocene Foreland Basin, ...
		Migration paths from source to reservoir are localized along major faults in the basin (e.g., Icotea fault, Pueblo Viejo, A, B and E faults.
		Eustasy and sediment supply control the short-term stratigraphic framework, superimposed over lower frequency tectonosequences that are controlled by the asymmetric slope of the basin and the position of the forebulge.
		The basal unconformity of the foreland tectonosequence is formed by erosion of the progressively migrating forebulge; its upper unconformity is controlled by tectonic rebound.
	www.searchanddiscovery.com /documents/2005/escalona/index.htm (1977 words)

	ArchitectureWeek - 2001.0815
		At the same time, the tidal level has increased by some 3 inches (8 centimeters) for several reasons, including organic structure growth on the barrier reef in the lagoon basin and changes in atmospheric pressure and wind action on the Adriatic Sea.
		Eustasy, or the global variation in sea level, is tied to changes in the world's climate.
		During the last century, the eustatic rise for the city of Venice, independent of its subsidence, was on the average 0.05 inches (1.27 milimeter) per year.
	www.architectureweek.com /2001/0815/index.html (265 words)

	DIFFERENTIATING THE EFFECTS OF BASEMENT STRUCTURES, ELASTIC FLEXURE, AND EUSTASY IN THE EVOLUTION OF THE EARLY TACONIC ... (Site not responding. Last check: 2007-11-03)
		Abrupt variations in depth of erosion of passive-margin strata and in thickness of Middle-lowermost Upper Ordovician deposits across the boundaries of the intraplate Birmingham graben (IBG) document an early episode of basement-fault inversion in the distal foreland.
		Distinction between flexural subsidence and eustasy in the foreland stratigraphy is based on cratonward extent of changes in depositional conditions and stratigraphic trends.
		Near the plate margin, rapid drowning of the carbonate ramp and deposition of deeper water synorogenic clastic sediments indicate cratonward migration of the flexural profile.
	gsa.confex.com /gsa/2001AM/finalprogram/abstract_23858.htm (509 words)

	CSM 1D Instructions
		Eustasy: There are two choices for modeling eustasy.
		First, you can model eustasy by adding of up to four sine curves.
		The first section of options allows you to import text files for eustasy, subsidence (as described in the Model Overview above) or eustatic rate.
	www.mines.edu /research/gsrp/1DModel/1dInstruct.htm (2066 words)

	[No title] (Site not responding. Last check: 2007-11-03)
		It has long been assumed by many geologists that eustasy is the prime mechanism responsible for these patterns of stratigraphy.
		However, certain observational evidence such as tilting, differential subsidence and angular unconformities preclude eustasy as the sole cause.
		Incorporating dynamic topography into a 3D stratigraphic model, albeit in a very simplistic manner, along with erosion, deposition, eustasy, compaction, and isostasy allows sensitivity tests to be executed in order to analyse the possible effects of dynamic topography on stratigraphic patterns....
	www.gps.caltech.edu /~pete/research.html (345 words)

	Titolo pagina
		The aim of the present research program, is to elaborate a stratigraphic-sedimentologic evolutionary model of the Pliocene-Holocene sedimentary basins by means of detailed analysis of all the factors which, through their interaction, have influenced spatio-temporal evolution (tectonics, eustasy, and sedimentation) in the period of time considered.
		This will be achieved by evaluating the interrelationships between tectonics, eustasy, and sedimentation, and facing up to some of the numerous aspects still not perfectly clarified, or not at all understood, regarding the tectonic-sedimentary evolution of the area in question.
		This aim will be reached by means of an integrated and multidisciplinary type of methodological approach, seeing that the operative unit is made up of sedimentologists, stratigraphers, geomorphologists, and structural geologists.
	www.dst.unipi.it /gruppi/paleontologia/ecuador/page26.html (693 words)

	Kerans and Tinker 2002
		Global eustasy has always formed a critical underpinning of the concepts of sequence stratigraphy.
		An important aspect of global eustasy that has come into focus during the last decade is the secular nature of the high-frequency (=<400 Ky) Milankovitch-driven eustatic (and climatic) signal.
		Specifically for marginal marine and shallow marine systems, it is now recognized that classification into greenhouse, transitional, and icehouse systems provides an important element of predictability that can assist in the important task of recognizing and characterizing depositional topography for use in construction of stratigraphic frameworks.
	www.gcssepm.org /pubs/2002_ab_18.htm (346 words)

	[No title] (Site not responding. Last check: 2007-11-03)
		These physical discontinuities, which occur at a great range of scales, are generated by a number of different processes acting separately and in concert.
		The timing, spatial distribution, and causes of discontinuities must be understood in the context of depositional and erosional processes in order to evaluate the importance of tectonic deformation, sediment compaction, eustasy, sediment supply, physiography and climate in their formation.
		The surface correlates with a coarse-grained layer of rounded pebbles and cobbles that overlie a fine-grained laminated deposit, structural high has influenced sediment dispersal and preservation both during lowstands and highstands of sea level, being a drainage divide during lowstands and enhancing reworking and erosion during highstands.
	www.ocean.washington.edu /people/faculty/parsons/backup/papers/stratchap/outlines/9outline.doc (310 words)

	ES 331/767 Lecture 9
		Glacial isostasy is the process of lithospheric depression beneath the weight of an ice sheet and subsequent rebound when the ice mass is reduced or removed.
		Glacial eustasy, on the other hand, refers to worldwide changes in sea level as a consequence of changing volume of glacier ice on land.
		Both glacial isostasy and eustasy, thus, are related to the volume--thickness and areal coverage--of ice sheets, but the relationship is neither simple nor fully understood at present.
	academic.emporia.edu /aberjame/ice/lec09/lec9.htm (1693 words)

	Relative Control of Paleoceanography, Climate, and Eustasy over Heterozoan Carbonates: A Perspective from Slope ... (Site not responding. Last check: 2007-11-03)
		Relative Control of Paleoceanography, Climate, and Eustasy over Heterozoan Carbonates: A Perspective from Slope Sediments of the Marion Plateau (ODP LEG 194) -- John and Mutti 75 (2): 216 -- Journal of Sedimentary Research
		Relative Control of Paleoceanography, Climate, and Eustasy over Heterozoan Carbonates: A Perspective from Slope Sediments of the Marion Plateau (ODP LEG 194)
		eustasy, and water temperature over the evolution of a carbonate
	jsedres.sepmonline.org /cgi/content/abstract/75/2/216 (391 words)

	EUSTASY AND TECTONICS OF A MISSISSIPPIAN CARBONATE RAMP, WEST VIRGINIA, USA (Site not responding. Last check: 2007-11-03)
		This complex sea-level history has caused the rapid lateral facies heterogeneity on the platform.
		Three-D mapping of the sequence stratigraphic time slices showing the thickness variation and distribution of environmentally sensitive facies is the best way to define the complex influence of tectonics and eustasy and their effects on the stacking patterns of reservoirs on the platforms.
		All other forms of reproduction and/or transmittal are prohibited without written permission from GSA Copyright Permissions.
	gsa.confex.com /gsa/2002AM/finalprogram/abstract_42958.htm (446 words)

	Добавим в Lingvo! / eustasy, eustatic
		Changes in sea level can result from movement of tectonic plates altering the volume of ocean basins, or when changes in climate affect the volume of water stored in glaciers and in polar icecaps.
		Eustasy affects positions of shorelines and processes of sedimentation, so interpretation of eustasy is an important aspect of sequence stratigraphy.
		Eustatic - Pertaining to world-wide changes in sea level that affect all oceans simultaneously.
	forum.lingvo.ru /actualthread.aspx?tid=70537 (209 words)

	BP Global - Reports and publications - Insight: Swimming upstream (Site not responding. Last check: 2007-11-03)
		When I explained to the geoscientists on my new team three years ago that we would need to think seriously about eustasy and ichnology to understand our reservoirs, they looked at me as though I was speaking in Swahili.
		We were embarking on a journey to try to unlock a potential prize of over 20 billion barrels of viscous oil lying beneath the permafrost in the Arctic environment of Alaska’s North Slope.
		These vertical and lateral trends in facies were developed in response to changes in relative sea level.
	www.bp.com /genericarticle.do?categoryId=9013611&contentId=7021430 (724 words)

	Ocean Drilling Program Leg 174AX/174AX Suppl. abstracts
		Estimates of the magnitudes of changes in third-order (0.5-2 m.y.) eustasy were obtained for Oligocene sequences defined by a suite of largely onshore boreholes of the New Jersey coastal plain.
		Benthic foraminiferal biofacies and multiple age constraints in a sequence stratigraphic framework formed the database for this study.
		Superimposed on this long-term trend were higher frequency (third-order) variations in eustasy with amplitudes of ~40 m or less.
	www-odp.tamu.edu /publications/citations/abstr174ax.html (1446 words)

	GSA Penrose Conference Report - Lessons in Tectonics, Climate, and Eustasy from the Stratigraphic Record in Arc ...
		GSA Penrose Conference Report - Lessons in Tectonics, Climate, and Eustasy from the Stratigraphic Record in Arc Collision Zones
		Lessons in Tectonics, Climate, and Eustasy from the Stratigraphic Record in Arc Collision Zones
		Determining whether Okinawa Trough is truly a new type of marginal basin would be a first-order accomplishment for active-margin tectonics.
	www.geosociety.org /penrose/05pcrpt2.htm (1530 words)

	EUSTASY AND TECTONISM IN THE ANCESTRAL ROCKY MOUNTAINS, EASTERN PARADOX BASIN,CO (Site not responding. Last check: 2007-11-03)
		EUSTASY AND TECTONISM IN THE ANCESTRAL ROCKY MOUNTAINS, EASTERN PARADOX BASIN,CO 2004 Denver Annual Meeting (November 7—10, 2004)
		The Verdigris sequence is also marked as having produced a significant highstand in the Midcontinent.
		Hence it appears that even on the flanks of the tectonically active Uncompaghre Uplift, eustasy has left a distinctive signature that may be separated from the influence of tectonism.
	gsa.confex.com /gsa/2004AM/finalprogram/abstract_80333.htm (396 words)

	Relative Role of Eustasy, Climate, and Tectonism in Continental Rocks; Hardback; Book (Site not responding. Last check: 2007-11-03)
		Relative Role of Eustasy, Climate, and Tectonism in Continental Rocks
		Papers in this title offer understanding of allocyclic controls on non-marine stratigraphy, allowing better predictions about the nature and geometry of strata within areas of basins where data are more limited.
		Prices subject to change to be advised on confirmation of order.
	www.netstoreusa.com /pdbooks/156/1565760425.shtml (191 words)

	Geological Society - Events - Lessons in Tectonics, Climate, and Eustasy from the Stratigraphic Record in Arc Collision ...
		Geological Society - Events - Lessons in Tectonics, Climate, and Eustasy from the Stratigraphic Record in Arc Collision Zones
		Report on IGCP 476 Meeting in Busan, South Korea 3-6th September 2006 by Peter Clift
		The sedimentary record in active plate margin settings reflects the interaction of tectonic, oceanographic, and climatic processes in these dynamic zones.
	www.geolsoc.org.uk /template.cfm?name=BSRG9384573 (999 words)

	Evaluating the stratigraphic response to eustasy from Oligocene strata in New Jersey -- Pekar et al. 29 (1): 55 -- ... (Site not responding. Last check: 2007-11-03)
		Evaluating the stratigraphic response to eustasy from Oligocene strata in New Jersey -- Pekar et al.
		Evaluating the stratigraphic response to eustasy from Oligocene strata in New Jersey
		Key Words: New Jersey • Oligocene • eustasy • stratigraphic response • phase lag sea level
	geology.geoscienceworld.org /cgi/content/abstract/29/1/55-a (306 words)

	EUSTASY Articles from AMAZINES.COM - The Article Database and EZine Publishers Database
		EUSTASY Articles from AMAZINES.COM - The Article Database and EZine Publishers Database
		Mean sea level at the Pacific end of the Panama Canal stands 20 cm higher than at the Atlantic end.
		Showing 1 to 25 of 0 Articles matching 'Eustasy' in related articles.
	www.amazines.com /Eustasy_related.html (537 words)

	eustasy's - Synonyms from Thesaurus.com
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		HighBeam Research - 32 million documents from leading publications
	thesaurus.reference.com /browse/eustasy's (44 words)

	Little Home Page (Site not responding. Last check: 2007-11-03)
		Methods for distinguishing the relative importance of eustasy and tectonics in the development of terrestrial sequences
		Little, W. W., 2001, The influence of tectonics and eustasy on alluvial architecture, upper Cretaceous strata of the Kaiparowits Basin south-central Utah, Abstracts and Program for the Seventh International Conference on Fluvial Sedimentology, International Association of Sedimentary Geologists, Lincoln, NE.
		Little, W. W., 1998, Using ArcView GIS in the preparation of geologic maps: Unpublished proceedings, USGS Annual Meeting on GIS Methods and Techniques, Rolla, MO.
	emp.byui.edu /littlew (756 words)

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