Bertram, 1995, sequence stratigraphy and marine to nonmarine facies architecture of foreland basin strata, book cliffs, utah, u. Reevaluating the campanian desert member blackhawk formation to lower castlegate sandstone interval, book cliffs, utah and colorado, usa. Lithostratigraphy of the maastrictian nsukka formation in the anambra basin, s. The lower slope exposes marine shales of the cretaceous mancos shale while interfingering. One powerful method for studying sealevel change in the past is sequence stratigraphy. Middle ordovician detailed stratigraphic sections for. This name later came to be shortened to anam bra anambra, the name it officially bears to date. Middle ordovician detailed stratigraphic sections for western utah and eastern nevada bulletin webb, gregory w on.
Gold occurrences in the cretaceous mancos shale, eastern utah by gordon mar latt 1 the cretaceous mancos shale of eastern utah fig. Petrographic observations indicate an early diagenetic origin. Middle ordovician detailed stratigraphic sections for western utah and eastern nevada bulletin. Outcropbased sequence stratigraphic analysis presented in this work shows that the imo and ameki formations together include three laterally extensive estuarine central basinoffshore mud rock units that are. Basinwide stratigraphic correlation across the anambra basin using base of the. Stratigraphic variations within the sego sandstone, book. Utah stratigraphic columns selection map utahgeology. Correlating palynofacies assemblages with sequence stratigraphy in upper cretaceous campanian sedimentary rocks of the book cliffs, east central utah geological society of america bulletin, v. Desert member to lower castlegate sandstone stratigraphic interval along the southeastern. This study presents detailed highresolution correlations of the upper cretaceous stratigraphy between the book cliffs, the wasatch plateau, and the western henry mountains syncline in utah with emphasis on the campanian interval. Home browse collections grand junction geological society book publication book cliffs sequence stratigraphy. Sequence stratigraphy is the subdivision of the stratigraphic record on the basis of bounding discontinuities.
The item stratigraphic cross section of cretaceous rocks along the north flank of the unita basin, northeastern utah, to rangely, northwestern colorado, by c. Free web tutorials sequence stratigraphy, tutorials carbonate. The division refers to the existing horse canyon mines mining and reclamation plan. Stratigraphic analysis of the mesaverde group, uinta basin. The anambra basin is situated west of the lower benue trough and is often considered youngest formation of the benue trough. It is a thick, homogenous, organicrich shale, and like many black shales is enriched in metals. Sequence stratigraphy of the book cliffs of eastern utah. Roadhighway map of eastcentral utah covering the field trip area. The exceptional quality of the wasatch plateau outcrop has given rise to a plethora of stratigraphic studies and serves as a natural laboratory in.
Sections of the san rafael group at bitter spring in hall creek valley, sec. Biostratigraphy and paleoenvironment of the coniacian. Utah geological and mineralogical survey bulletin 80, p. Extensive research has been done on the type sections of the castlegate sandstone and sego sandstone members in the book cliffs area in utah and colorado, where they have been interpreted as alluvial deposits, stacked incisedvalley fills, and tidedominated deltas fouch et al. Sequence stratigraphic interpretation of parts of anambra. Highresolution correlation of upper cretaceous stratigraphy between the book cliffs and the western henry mountain syncline, utah. Sedimentology and sequence stratigraphic study of eocene nanka formation,situated at a reference. Lithofacies, palynofacies, and sequence stratigraphy of palaeogene strata in southeastern nigeria article pdf available in journal of african earth sciences 4112. The focus is on correlation of parasequences and sequence stratigraphic surfaces, interpretation of the depositional evolution and tectonic vs. Introduction facies analysis is an important part of any stratigraphic study. The state lies in the anambra basin, the first region where intensive oil exploration was carried out in nigeria.
Sedimentological attributes and stratigraphic of nanka formation, anambra basin,nigeria acra 2e. Gold occurrence in the cretaceous mancos shale, eastern utah contract report 915 utah geological and mineral survey a division of by. Sequence stratigraphy and palynological analysis of late. This study has integrated lithofacies, palynology, paleocurrent and sequence stratigraphy in the interpretation of eocenenankaformation in the anambra basin, southeastern nigeria. Stratigraphic variations within the sego sandstone, book cliffs, central utah article pdf available january 2007 with 5 reads how we measure reads. The wasatch plateau is contiguous with, and crops out approximately perpendicular tothe extensively studied book cliffs of utah and colorado, which have served as the natural outcrop laboratory underpinning sequence stratigraphic concepts in shallow and marginalmarine settings. However, some of the most spectacular barite crystals are those collected from concretions in the mancos shale in the book cliffs near grand junction, colorado. Prior to the tectonic event the anambra basin was a platform that was only thinly covered by sediments. Depositionalenvirons, horse canyonnorth, book cliffs scaled strat section. In addition, the name book cliffs is often applied to both landforms, with roan cliffs being an alternate name. Depositionalenvirons, horse canyonnorth, book cliffs scaled stratsection. The book cliffs are a series of desert mountains and cliffs in western colorado and eastern utah, in the western united states. Facies associations comprise strata interpreted to be the deposits of the following environments. Read lithofacies, palynofacies, and sequence stratigraphy of palaeogene strata in southeastern nigeria, journal of african earth sciences on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Fielding, christopher 1 1 earth and atmospheric sciences, university of nebraskalincoln, lincoln, ne this study presents highresolution correlations of the upper cretaceous stratigraphy between the book cliffs and the western henry. 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. Kirschbaum chapter 12 of petroleum systems and geologic assessment of oil and gas in the uintapiceance province, utah and colorado. Brian willis outcrop analog studies have long been used to define subsurface correlation strategies and improve predictions of reservoir heterogeneities that can complicate production behavior. A preliminary evaluation of missing time in the mesaverde group, book cliffs, utah andrew d. Stratigraphy and sedimentation of the book cliffs, utah cole 1989 field trip guidebooks. 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. Olatunji palystrat limited, ibadan nigeria madukwe, henry y department of geology, ekiti. The stratigraphy of the anambra basin download scientific diagram.
Prior to the tectonic event the anambra basin was sandstone that successively. The exceptional quality of the wasatch plateau outcrop has given rise to a plethora of stratigraphic studies and serves as a. Stratigraphy of the upper cretaceous mancos shale upper part. The stratigraphic sections measured or otherwise described and calculated during this survey are listed in the following tabulation. The basin is bounded to the south by the niger delta basin hinge line. Sedimentology and sequence stratigraphy of the eocene. The folding of the anticlinorium laterally shifted the depositional axis into the anambra platform which then began to accumulate sediments shed largely from the abakaliki anticlinorium murat, 1972, hoque and nwajide, 1985, amajor, 1987. Stratigraphic cross section of cretaceous rocks along the. The study area lies within the anambra basin and it is made up of enugu shale, mamu formation, ajali sandstone, and nsukka formation. Anambra is the eighthmost populated state in the federal republic of nigeria and the secondmost densely populated state in nigeria after lagos state. The roan cliffs are situated north of in back of and. The book cliffs, utah have become the premier locality globally for field teaching of sequence stratigraphy. The age and habitat of the bende fish fossils have remained a matter of controversy with interpretations ranging between the paleocene imo formation and the eocene ameki formation.
In the uinta basin the mesaverde group of late cretaceous age is gradational with and often intertongues with the underlying mancos shale, the mesaverde group consists of three principal facies based on their environment of deposition. Nov 14, 2018 contact me if you would like to contact me, drop me a line from the contact page. Cretaceous and tertiary formations of the book cliffs carbon. Fluvial strata commonly act as important hydrocarbon reservoirs, as well as groundwater aquifers. Depositional facies and ichnology of a tidally influenced.
There are currently no active mines within the book cliffs v cia. Pdf lithofacies, palynofacies, and sequence stratigraphy. The stratigraphy of the anambra basin southeastern nigeria. Stratigraphic column of study area, east central utah. Lithofacies, palynofacies, and sequence stratigraphy of. For about 200 miles this escarpment extends from where the colorado river descends south through debeque to price canyon near price, utah. Sequence stratigraphy, palynological evidence, anambra basin, formation, system tract. It extends northwestward into the niger valley, northward to the jos massif and northeastward into lafia. The stratigraphic setting of southern nigeria comprises sediments of three major sedimentary cycles. Extent and distribution of groundwater resources in parts of anambra state, southeastern, nigeria nfor, b n. Ogala, j e department of geology, delta state university, p. Flint, 1999, a sedimentological and sequence stratigraphic reinterpretation of the upper cretaceous prairie canyon member mancos b and associated strata, book cliffs area, utah, u. Stratigraphy, structure, and economic geology of an area at the west edge of the colorado plateau.
Sequence stratigraphy, a branch of sedimentary stratigraphy, is a methodology that uses the order sedimentary strata accumulated within a framework of major depositional and erosional surfaces to interpret the depositional setting of clastic and carbonate. Fielding, christopher 1 1 earth and atmospheric sciences, university of nebraskalincoln, lincoln, ne. Stratigraphy of the upper cretaceous mancos shale upper part and mesaverde group in the southern part of the uinta and piceance basins, utah and colorado by r. Highlights upper cretaceous fluvial strata exposed in the book cliffs, utah. The marginalshallow marine nkporo group is the basal lithostratigraphic unit of the late campanianmaastrichtian successions of the anambra basin, nigeria fig. It underlies the whole of anambra state and parts of abia, enugu, imo, delta, edo and kogi states.
Stratigraphy is the science of the layered character of rocks, be these sedimentary, volcanic, metamorphic, or igneous rocks. Beginning near helper, utah, and joined at green river, utah, by a second escarpment, the roan cliffs, the 2,000foot 610metre tall mountain wall, winds a 250mile 400km course along the tavaputs and roan plateaus, ending near grand junction, colorado. Ditch cutting samples from an exploratory nzam1 well located in the northwestern part of anambra basin were subjected to lithological. High resolution correlation of the upper cretaceous. The anambra basin represents about one tenth of the benue trough and is the least studied inland basin in nigeria. Department of geology, ekiti state university, ado ekiti nigeria olaburaimo a. Stratigraphy of the upper cretaceous mancos shale upper. Sedimentary architecture of coastal plain and channel packages, the basin.
It constitutes a classic foreland basin clastic wedge, which developed in response to uplift and erosion along the sevier orogen during the late cretaceous. Simon provides expertise in the areas of sedimentology, sequence stratigraphy and reservoir geologymodelling and has considerable knowledge of the book cliffs. Book cliffs, geological feature of eastcentral utah and western colorado, u. At some point, this section will contain hundreds of stratigraphic columns from all over the colorado plateau.
Pdf lithostratigraphy of the maastrictian nsukka formation in the. Jan 03, 20 although rare, concretions in the pierre near the kansascolorado state line along the smoky hill river give up some nice barite and calcite crystals. The book cliffs v cumulative impact area cia is located in carbon county, utah, south of the town of sunnyside plate 1. Here we document an example of fluvial strata from upper cretaceous rocks exposed in the book cliffs of utah, usa, where carbonate dolomite cement bodies up to 250 m in size are present and occlude a high proportion of primary porosity. Palynological and sequence stratigraphy characterization of the earlylate campanian nkporo shale, orekpekpeimiegba area, anambra basin, nigeria adebayo olajide f. Francisca obohikuenobe professor of geology missouri. Sedimentology and sequence stratigraphy of the nkporo group. American association petroleum geologists memoir 64. Sedimentology and sequence stratigraphy of the nkporo. T he stratigraphy of the anambra basin southeastern nigeria.
Or if you have questions about geology, call me during normal work hours at the utah geological survey. Sequence stratigraphy, paleogeography, and tectonic controls. Extensive carbonate cementation of fluvial sandstones. Published monthly by the state of oregon department of geology. Moreover, because of the how far they are spread between utah and colorado, they are sometimes mistakenly believed to be separate landforms of the same name within each state. Book cliffs geological feature, utah, united states. Beginning near helper, utah, and joined at green river, utah, by a second escarpment, the roan cliffs, the 2,000foot 610metre tall mountain wall, winds a 250mile 400km course along the tavaputs and roan. The aapgdatapages combined publications database grand junction geological society. Carbonate cementation potentially has significant impact upon reservoir quality.
Gold occurrence in the cretaceous mancos shale eastern utah. Biostratigraphy and paleoenvironment of the coniacian awgu. Stratigraphy and sedimentation of the book cliffs, utah cole 1989 field trip guidebooks wiley online library. Mixed meteoricmarine coastal aquifer resulted from baselevel shifts. Introduction several controversies have emerged in forelandbasin stratigraphy since the mid1980s, and two key questions are at the heart of these debates. Stratigraphy and sedimentation of the book cliffs, utah. Department of geology, anambra state university, uli, nigeria. P4and itiowe k5 1,5department of geology, university of port harcourt, port harcourt, nigeria 2 dept. Extent and distribution of groundwater resources in parts of. This study aimed at determining the geology and depositional environmental of these formations through field relationship and grain size distribution morphologic studies. Intermountain assoc, petroleum geologists guidebook 5th ann.
Sequence stratigraphy in the book cliffs, utah goal. The book cliffs are one of the most recognizable landforms in western colorado and eastern utah. The mesaverde group is wellexposed in the book cliffs of eastcentral utah and western colorado. The ogwashi formation is reinterpreted as tidally influenced coastal plain deposit based on the detailed outcrop description of exposures and facies analysis. 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. Biostratigraphy and paleoenvironment of the coniacian awgu formation in nzam1 well, anambra basin, southeastern nigeria. The first two cycles belong to the presantonian sediments while the third cycle belongs to postsantonian sediments which are found in the anambra basin and afikpo syncline nwajide, 1990.
Geological survey represents a specific, individual, material embodiment of a distinct intellectual or artistic creation found in indiana state library. 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. Beginning near helper, utah, and joined at green river, utah, by a second escarpment, the roan cliffs, the 2,000foot 610metre tall mountain wall, winds a 250mile 400km course along the tavaputs and roan plateaus, ending near grand junction. The campanian desert member and lower castlegate sandstone in the book cliffs of eastcentral utah to western colorado, usa, has served as a foundational data set in the development of sequence. Utah stratigraphic columns overview page these stratigraphic columns are dynamically created on the fly from information stored in a database. Sedimentology and sequence stratigraphy of the eocene nanka. Anambra basin has about 6,000 m of sedimentary rocks. Sequence stratigraphy and marine to nonmarine facies architecture of foreland basin strata, book cliffs, utah, u. The indigenous ethnic groups in anambra state are the igbo 98% of population and a small population of igala 2% of the population, who live mainly in the northwestern part of the state. Sequence stratigraphy of the book cliffs of eastern utah, the. Section summary accessible from the selection map, the stratigraphic columns section will eventually be one of the most extensive parts of our database. The extent and distribution of groundwater resources in parts of anambra state, nigeria has been investigated. A sequence stratigraphic model for the group was developed by nwajide and reijers 1996, on the basis of stratigraphic analysis of a composite section located at leru, near okigwe. Information was gathered from a number of sources see info for more information.
Dolomite cement bodies up to 250 m in size abundant in distal fluvial strata. 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. Gs 67266 stratigraphy and paleogeography of the kenilworth member, blackhawk formation, book cliffs, utah, u. 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.
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