Faciessequence stratigraphy, desertcastlegate, crescent canyonhorse heaven. Introductory presentation for a professional field course titled. This video is a virtual field trip to one of the classic locations in the world book cliffs, utah, usa where the sequence stratigraphy method was developed and tested. At applied stratigraphix we have described over 3 km of core on a cmscale from basins across the globe, as well as both carbonate and shale thinsections. It forms one of the lowest cliffforming sandstone bodies in the book cliffs and. The book cliffs are one of the worlds best places to study sequence stratigraphy. The reason for choosing these is unlike the primarily horizontal strata of the book cliffs where one is almost always standing at the base of a cliff where all the key sequence stratigraphic surfaces are developed on top of the cliff, the outcrops in northern colorado and wyoming are tilted between 6090 degrees. Some of the field evidence for sealevel change is shown, along with how the sequence stratigraphy model has been applied to this particular shallow. The cretaceous books cliffs of utah are best known as the mecca of sequence stratigraphers, but besides excellent exposures that allow tracing of sandstone bodies and sequence boundaries the succession also contains abundant shales and mudstones. Upper cretaceous strata exposed in the book cliffs of eastcentral utah are widely used as an archetype for the sequence stratigraphy of. Reevaluating the sedimentology and sequence stratigraphy. Definition of sequence stratigraphy sequence stratigraphy is a methodology that provides a framework for the elements of any depositional setting, facilitating paleogeographic reconstructions and the prediction of facies and lithologies away from control points.
Sequence and facies architecture of the upper blackhawk. Jan 03, 20 the book cliffs are one of the most recognizable landforms in western colorado and eastern utah. Components of deltaic and shallow marine reservoirs are very well preserved in the book cliffs. Facies analysis and sequence stratigraphic framework of upper. A good appreciation of the nature of reservoir and nonreservoir rocks in the subsurface is of fundamental importance to sound ep decision making. The book cliffs region is often cited as an analog for subsurface exploration, particularly in foreland basins, and sequence stratigraphy has become one of the leading methods for correlating and mapping depositional packages, leading to significant discoveries of petroleum in fields that had been abandoned, as well as new discoveries. Sequence stratigraphy of transitional systems book cliffs. Sequence stratigraphy is the subdivision of the stratigraphic record on the basis of bounding discontinuities allostratigraphy. Table of contents for library of congress control number. The shale and cretaceous sandstone cliffs, formed over time by the uncompahgre uplift, are a remnant of the mancos sea floor.
Pdf the castlegate sandstone of the book cliffs, utah. The initial exercise is followed by the examination of the stacking patterns of the parasequences. A core component of the sequence stratigraphic model is the implicit. Eight graduate students travelled to price, green river and moab, utah, for a sequence stratigraphy in the field course offered by dr. From microscopic kaolinite booklets to macroscopic sequence. The book cliffs of eastern utah and western colorado figs. Sequence stratigraphy field trip applied stratigraphix. Expression of sequence stratigraphy in outcrop, the book cliffs, utah. The sequence stratigraphy of the book cliffs of eastern utah. Book cliffs data sets are often used as outcrop analogues for similar subsurface settings worldwide. Continuous, wellexposed and easilyaccessible outcrops make it possible to analyze facies relationships of stratigraphic sequences in great detail, both in terms of lateral variation systems tracts and vertical stacking. In the 1980s, exxon scientists used the cretaceous strata of the book cliffs to develop the science of sequence stratigraphy. The recurrence of the same types of sequence stratigraphic surface through geologic time defines cycles of change in accommodation or sediment supply, which correspond to sequences in the rock record.
Sequence stratigraphy of the book cliffs of eastern utah, the. Early models were strongly influenced by campanian book cliffs utah and. The reason for choosing these is unlike the primarily horizontal strata of the book cliffs where one is almost always standing at the base of a cliff where all the. Cross section illustrating the sequence stratigraphy of the. 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. The book cliffs, utah have become the premier locality globally for field teaching of sequence stratigraphy. Jun 01, 2018 course focused on the book cliffs and salt anticline regions of utah. Paleosol analysis and chemostratigraphy were used to refine the previously published sequence stratigraphic interpretation of this valley fill. No evidence for sea level fall in the cretaceous strata of the book. The desert member of the blackhawk formation and the castlegate sandstone in the book cliffs of utah and colorado were analyzed to develop a model of sequence stratigraphy and facies architecture in foreland basins. These colorado cliffs look like books on a shelf outthere.
Stratigraphy and sedimentation of the book cliffs, utah. Expression of sequence stratigraphy in outcrop, the book. Their stratal architectures are classically interpreted in terms of accommodation controls that were external to the sediment routing system allogenic, and that forced the formation of flooding surfaces. This page lists some of the literature click on pdfadobe icons to download pdf files of papers on the book cliffs sedimentary record and its sequence stratigraphic character in response to base level change. Together with his experience from spdc shell nigeria, simon effectively demonstrated both theoretical and applied aspects at all levels in a clear, concise and thoughtful manner. The parasequences are separated from each other using subdividing major surfaces that include ts transgressive surfaces, mfs maximum flooding surface, and sb sequence boundary. In this lab, you will put together your knowledge of nearshore facies and sequence stratigraphy to correlate sections and interpret facies changes in the cretaceous stratigraphy of the book cliffs.
Three sequence boundaries are interpreted, which are consistent, but not demonstrably correlative, with observations in the book cliffs area in utah willis 2000. I have spent a fair amount of time in the book cliffs studying the sequence stratigraphy described there extensively in the 1980s by exxon geologists. This study is a proof of concept project that tested the ability to use. Sequence stratigraphy of transitional systems book. Earlier stratigraphic work had predicted that at the type section of the castlegate formation, the castle gate, near price, utah, the unit consists of two sequences separated by a sequence boundary representing approximately one million years of unrecorded time. Sequence stratigraphical evolution of the book cliffs part iv. The sequence stratigraphy is currently, on the one hand, a leading approach in the study of the internal structure of sedimentary basins, on the other hand, a creatively developing discipline, the. Most sequence stratigraphy trips are run in the book cliffs along the coloradoutah border, however our trip is run on outcrops that are well studied yet rarely frequented by others. One powerful method for studying sealevel change in the past is sequence stratigraphy. Named for its similar appearance to a stack of books lined up against a shelf, the book cliffs are one of the most wellknown locations for studying sequence stratigraphy. Sequence stratigraphy of transitional systems book cliffs, utah this field course aims at teaching sedimentology and sequence stratigraphy at an introductory level and illustrate how this can and should be used as a powerful tool both in reservoir description and prediction at various scales.
Summary introduction late cretaceous depositional setting stop 1. Sequence stratigraphy is the subdivision of the stratigraphic record on the basis of bounding discontinuities. Faciessequence stratigraphy, desertcastlegate, crescent canyon horse heaven. The book cliffs have no carbonates and our sequence stratigraphy trip covers both, which is why northern colorado provides an excellent natural laboratory. The campanian book cliffs strata of eastern utah and western colorado has been used to develop, test and refine sedimentological and stratigraphic ideas and models over the years, including the principles and concepts of sequence stratigraphy. Regional highresolution correlations of the campanian desert member of the blackhawk formation to the lower castlegate sandstone interval, book cliffs, utahcolorado, show no evidence for a single, throughgoing unconformity separating the amalgamated channel sandstones of the castlegate from the underlying blackhawk formation coastalplain deposits. The book cliffs have preserved excellent strata of the foreland basin of the ancient western interior seaway that stretched north from the gulf of mexico to the yukon in the cretaceous time. Towards a sequence stratigraphic solution set for autogenic. Outcrop and subsurface examples from the cretaceous of north america, j. S tratigraphy in a chronostratigraphic framework emphasizes unconformities and other time disruptions. Sequence stratigraphy, paleogeography, and tectonic controls, authorandrew d. Cretaceous shales book cliffs of utah kenilworth member of the blackhawk formation.
American association petroleum geologists memoir 64. Graduate students attend sequence stratigraphy field course. A multidecadelong highresolution outcrop study has revealed that the campanian desert member blackhawk formation to lower castlegate sandstone interval in the book cliffs of utah and colorado western usa does not fit the conventional sequence stratigraphic model. Tectonic setting, stratigraphy, and sedimentology of the book cliffs 8. For about 200 miles this escarpment extends from where the colorado river descends south through debeque to price canyon near price, utah.
Simon provides expertise in the areas of sedimentology, sequence stratigraphy and reservoir geologymodelling and has considerable knowledge of the book cliffs. T1 sequence, parasequence, and intraparasequence architecture of the grassy member, blackhawk formation, book cliffs, utah, usa. The exercises below involve the analysis of parasequence from outcrops. Sequence stratigraphy and stratigraphic trap potential of. Using classic outcrops to revise sequence stratigraphic models. Tectonic setting, stratigraphy, and sedimentology of the book cliffs8. Miall, mohamud arush abstract earlier stratigraphic work had predicted that at. Sandstone in the book cliffs of utah and colorado were analyzed to develop a model of sequence stratigraphy and facies architecture in foreland basins. Sequence stratigraphy and stratigraphic trap potential of the. This video looks at the way in which past sea level changes can be determined. The desert and castlegate sandstones, 2001 pages iiii, 181. Course focused on the book cliffs and salt anticline regions of utah. Seismic sequence stratigraphy exercise dicky harishidayat duration.
Do not fit the conventional sequence stratigraphic model. In the 1980s, exxon scientists used the cretaceous. Usgs dds69g facies analysis and sequence stratigraphic. Free web tutorials sequence stratigraphy, tutorials carbonate petrology, seismic interpretation sequence stratigraphy exercises lower cretaceous south africa, seismic interpretation sequence stratigraphy exercises bahamas miocene, seismic interpretation sequence stratigraphy exercises lower cretaceous alaska, clastic outcrop interpretation sequence stratigraphy exercises of bookcliffs. Using classic outcrops to revise sequence stratigraphic. Bertram, 1995, sequence stratigraphy and marine to nonmarine facies architecture of foreland basin strata, book cliffs, utah, u. Kenilworth member is the third member in the blackhawk formation young, 1955. No evidence for an unconformity at the base of the lower. This program takes viewers on a virtual field trip to the book cliffs, in utah the place where sequence stratigraphy was developed and testedto study and interpret the sedimentary record there. This program takes viewers on a virtual field trip to the book cliffs, in utahthe place where sequence stratigraphy was developed and testedto study and interpret the sedimentary record there. Graduate students attend sequence stratigraphy field.
Reevaluating the sedimentology and sequence stratigraphy of. This study documents the sequence stratigraphy of the sego sandstone member in northwestern colorado, just north of rangely, and compares and contrasts it with equivalent strata in the book cliffs. Aug 29, 2015 introductory presentation for a professional field course titled. Sequence, parasequence, and intraparasequence architecture of. Sequence stratigraphy and marine to nonmarine facies. Introduction facies analysis is an important part of any stratigraphic study. However, the sego sandstone member in the study area records an upsection evolution of depositional environments, which differs from what has been interpreted in the book.
Free web tutorials sequence stratigraphy, tutorials carbonate petrology, seismic interpretation sequence stratigraphy exercises lower. Sequence stratigraphy in the book cliffs, utah goal. Sequence stratigraphy and marine to nonmarine facies architecture of foreland basin strata, book cliffs, utah, usa. We offer consulting services in seismic stratigraphy, sequence stratigraphy, sedimentology and geomodeling.
Upper cretaceous strata exposed in the book cliffs of eastcentral utah are widely used as an archetype for the sequence stratigraphy of marginalmarine and shallowmarine deposits. A case study in coastal sequence stratigraphy, offered annually through w. Sequence stratigraphy of the book cliffs of eastern utah. The sequence stratigraphy of the book cliffs of eastern. Processes controlling relative sealevel change and sediment supply 6. Implications for exploration models, author hampson, g. Sequence stratigraphy and marine to nonmarine facies architecture of foreland basin strata, book cliffs, utah, u. Facies analysis and sequence stratigraphic framework of upper campanian strata neslen and mount garfield formations, bluecastle tongue of the castlegate sandstone, and mancos shale, eastern book cliffs, colorado and utah by mark a. For more detailed discussion of high frequency sequence analysis of the book cliff escarpment on which this exercise is based examine the references at the base of the introduction to high frequency clastic parasequences in outcrop. If your interest lies in the standard book cliffs field trip then please check out our offerings here.
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