Carbonate concretions in a stratigraphic framework, clearwater formation, cold lake oil sands, alberta garrett m. A compendium of influential papers find, read and cite all the research you need on. The rate of accommodation generation typically is less than the rate of sediment supply. Sequence stratigraphy in carbonate and siliciclastic systems 10th 14th november 2014 at kuala lumpur, malaysia course overview case studies include. Based on the sequence stratigraphic model of the carbonate system, the local and mounded seismic facies in offshore settings can be interpreted as tsts, and the extensive and subparallel seismic facies in offshore settings can be interpreted as hst deposits or basal transgressive carbonate deposits fig. Sequence stratigraphy as a concrete stratigraphic discipline abstract sequence stratigraphy is a stratigraphic discipline in which stratigraphic surfaces that represent changes in depositional trend are used for correlation and for defining specific types of sequence stratigraphic units. Application to reservoirs, outcrops, and models the sepm research symposium.
Porosity, evolution and diagenesis in a sequence stratigraphic framework, volume 55 1st edition. Sequence stratigraphy in carbonate and siliciclastic systems 5th 9th october 2015 at kuala lumpur, malaysia course overview case studies include. Catastrophism and the historical roots of sequence stratigraphy. Two examples of carbonate deposition illuminate the development of meterscale shallowing cycles, and a mechanism for generating cycle bundling that results from the interaction of sealevel change and the intrinsic dynamics of the carbonate system. These models are based on integrated data from core description, thin section petrography, gammaray logs, and energydispersive xray. Top carbonate outside of the tb sequence nomenclature. Sequence stratigraphy is a branch of geology that attempts to subdivide and link sedimentary deposits into unconformity bound units on a variety of scales and explain these stratigraphic units in terms of variations in sediment supply and variations in the rate of change in accommodation space relative sea level, the combination of eustatic sea level and tectonic subsidence. Paleogeographic reconstruction of facies belts at precise moments in time is the goal of the sequence stratigrapher. Whether youve loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. The kaibab formation is a mixed carbonate system including evaporites and siliciclastics deposited on a westward dipping epeiric carbonate ramp during the middle permian in northern arizona, southern utah, and eastern nevada. Sequences are bounded above and below by unconformities or their correlative conformities, meaning that they are deposited between episodes of significant sea level fall. This course examines the processes leading to the formation and accumulation of carbonate rocks and how sequence stratigraphy provides a predictive method to understand the formation of carbonate reservoirs. Sequence stratigraphy in carbonate and siliciclastic.
Purchase principles of sequence stratigraphy 1st edition. Such withintrend facies contacts may be marked on a sequence stratigraphic crosssection only after the sequence stratigraphic framework has been constructed. Emphasis is placed on gradual icefront translation superimposed by rapid meltwater events. Combining these affords the prediction of the nature of sedimentary deposits at locations away from data control points. Sequence stratigraphic concepts will be applied to examples from areas including. This book, dedicated to carbonate rocks, approaches sequence stratigraphy from its sedimentologic background. By comparison, preliminary sequence stratigraphic work by fitchen and others 1995 in the sierra diablo and by simo and others 2000 in the hueco mountains reveals no evidence of a major sealevel fall during the middle wolfcampian. Carbonate platform evolution and conodont stratigraphy during the. Ward documents landward retreat of the platform margin, eroded by massive.
Published online by the canadian society of petroleum. The continent of africa has beguiled geologists for centuries. It consists of the fossil mountain member deposited in openmarine conditions and the overlying harrisburg member deposited in restricted conditions. This lab is a simple and straightforward introduction to sequence stratigraphic interpretations of a carbonate platform using a combination of facies analysis, facies correlations, hand samples, thin sections, and is followed up by students reconstructing the platform.
This stratigraphic hierarchy controls the facies distribution during longterm platform development. We offer consulting services in seismic stratigraphy, sequence stratigraphy, sedimentology and geomodeling. Carbonate sequence stratigraphy and application to. Sequence stratigraphy is jargonladen and typically presented in an overly. Condensation origin for neoproterozoic cap carbonates. The degree of subaerial alteration during sequence boundary formation will vary depending on the climate, the original mineralogy of the underlying highstand platform, and time. A depositional and sequence stratigraphic analysis is built for a basinal interval of the tuwaiq mountain and hanifa formations, saudi. In sequence stratigraphic framework, multiple 3d seismic provide important information for the characterization of rimmed shelf edge carbonate buildups, slope failure, and sandstone facies of varying geometry, pattern, and dynamic nature during hst, rst, lst, and tst episodes of carbonate deposition. Stratal architecture and facies development in a middle. Carbonate sequence stratigraphy and application to petroleum reservoirs. Integrated outcrop and subsurface studies of the interwell. Seismic sequence stratigraphic analysis of the carbonate.
Here, we present updated facies and sequence stratigraphic models for the a1 carbonate in the michigan basin. Publications on the response of carbonates to sea level. Ultimately, stratigraphic models are most useful as a way of testing hypotheses of stratigraphic. The middle eocene successions in northern egypt are dominated by shallow marine carbonates and are represented by different marine facies limestone, shale. As a result, none of the examples deal with topics related specifically to cores, well logs, or most significantly, seismic. If the original mineralogy of a carbonate platform is dominantly aragonite and himg calcite the degree of alteration can be extensive. Sepm society for sedimentary geology, special publication no. The sequence stratigraphic model depositional sequence. Sequence stratigraphic framework of northwest borneo. Sequence stratigraphy straddles the boundary between the two fields. Free web tutorials sequence stratigraphy, tutorials carbonate petrology. Carbonate sequencestratigraphic methods offer the best correlation strategy that can reduce the risk of miscorrelating critical carbonate aquifer flow zones and confining units, as kerans and tinker 1997 have discussed its application to the petroleum industry. In the case of truly time transgresssive event, such as the readily mapped top carbonate horizon in central luconia, it is appropriate to remain flexible and have an additional event i.
Sequence stratigraphy subcommission on quaternary stratigraphy. Carbonate concretions in a stratigraphic framework. Stratigraphic units of the upper trinity group are the hensel formation, determined to be supratidal claystones, the glen. Its varied and beautiful landforms and geological features, its mineral and energy resources, its cultural heritage its the birthplace of our species all combine to form a rich experience of sights and sounds, aromas and flavors. A new sequence stratigraphic model for the silurian a1. The esker is interpreted to have been derived from the. Sequence stratigraphic analysis of mixed, reefal carbonate and. Cambrian siliciclastic and minor carbonate rocks of the ingta, backbone ranges, and vampire formations macnaughton et al. A sequence stratigraphic study of terrigenous and carbonate rocks of the infra krol formation and krol group in the lesser himalaya fold and thrust belt of northern india was undertaken as part of a broader investigation of the signi. Lower and middle miocene carbonate facies in the central mediterranean.
Lower cretaceous latest aptian to latest albian tamabra formation, poza rica field area, mexico. Stratigraphy, by contrast, concentrates on changes with time, on measuring time and correlating coeval events. Sequence stratigraphy is the study of genetically related facies within a framework of chronostratigraphically significant surfaces. Paleontologic data, integrated with seismic and well log data, are an integral part of sequence stratigraphic analysis. The different sequence stratigraphic models that are currently in use, i. The upper trinity group was deposited on a southward dipping platform in the kimble county area. Alongside 3d seismic, longreach horizontal drilling and the application of plate tectonics to exploration, sequence stratigraphy has been one of the greatest scientific advances within the petroleum geology industry of the last 50 years. Ashton embry for his work in making this series possible. Sequence stratigraphy american association of petroleum. Due to the dominant organic origin of carbonate sediments, important differences exist between carbonates and siliciclastics that must be taken into account in a sequence analysis. Carbonate reefs are often juxtaposed with offreef siliciclastic sediments and sequence stratigraphy provides the best methodology for. Other readers will always be interested in your opinion of the books youve read. Carbonate sequence stratigraphy introduction this lab introduces you to carbonate sequence stratigraphy using knowledge from lecture, thin sections, hand samples, facies analysis, and facies correlations. The upper trinity group is predominantly a carbonate system with minor clastic couplets that were deposited during the middle cretaceous in the south llano uplift region.
Sequence stratigraphy is a stratigraphic discipline in which stratigraphic surfaces that represent changes in depositional trend are used for correlation and for defining specific types of sequence stratigraphic units. Depositional interpretation and sequence stratigraphic analysis of carbonate mudrocks requires numerical analysis and data integration to achieve quantitative, predictive stratigraphic and geochemical models. A sequence stratigraphic model is proposed to explain these observations. The resulting lithologies clastics and carbonates are computed from log. The bottom three represent facies contacts developed within systems tracts. Practical sequence stratigraphy was originally published as a fifteenpart series in the canadian society of petroleum geologists monthly magazine, the reservoir, between may 2008 and september 2009. Pdf on jan 1, 2009, jeroen kenter and others published getting started in carbonate sequence stratigraphy. A sequence is expressed as a cycle of change in stratal stacking patterns, dividable into systems tracts and bounded by sequence stratigraphic surfaces. Sequence stratigraphy is jargonladen and typically presented in an overly complicated manner which turns many students off. The sequence stratigraphic context of mixed basin margin. Carbonate sequence stratigraphy although most of this website focuses on shallowmarine siliciclastic systems, sequence analysis can be just as readily applied to carbonate systems. In the sierra diablo there is, however, strong evidence of major. Porosity and diagenesis in a sequence stratigraphic framework, 20, 392 pages, clyde h.
Pdf carbonate sedimentology and sequence stratigraphy. Link to a page that lists some of the literature on the carbonate sedimentary record and how its sequence stratigraphic character varies in response to base level change, usually eustasy and gain access to. The stratigraphic relationship between the shuram carbon. Freeware for analyzing classic stratigraphic problems. This online guide is primarily aimed at the application of sequence stratigraphy to outcrops. A sequencestratigraphic model was built for the south wasson clear fork field using the outcrop sequence model, vertical succession of facies from core descriptions, and seismic data. A regional sequencestratigraphic framework has not been developed. Carbonates have several aspects that make their response to relative sealevel changes and the character of their sequence stratigraphic elements somewhat different. The top of the limestone might be the sequence break at a submarine.
Integrated quantitative seismic sequence stratigraphic. Indonesia malaysia sumatra vietnam phillipines north america, the middle east, and europe. Depositional profile key acrobat pdf 27kb jul11 06. Reefal carbonate sequence stratigraphic surfaces reefal carbonate wheeler diagram. Pdf a method of quantitative sequence stratigraphy based on stratigraphic forward modeling is tested on carbonate sedimentary systems. Sedimentologic and chemostratigraphic recognition of thirdorder sequences in resedimented carbonate.
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