The Geometry and Internal Architecture of Stream Mouth Bars in the Panther Tongue and the Ferron Sandstone Members, Utah, U.S.A.

Enge, Håvard D.; Howell, John; Buckley, Simon J.

doi:10.2110/jsr.2010.088

Cited by 48 publications

(45 citation statements)

References 42 publications

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“…9). This organization of crevasse mouth bars and mouth-bar complexes is typical of modern river-dominated deltas (Wellner et al 2005), but it has rarely been described in the ancient record (Enge et al 2010). Vertical successions show a partial overlapping of the same (e.g., FA 5 above FA 5) or a contiguous facies association (FA 4 above FA 5;Figs.…”

Section: Architecturementioning

confidence: 75%

“…Many studies of ancient deltaic deposits have focused on sedimentary facies and depositional architecture of the delta-front area (Mutti et al 2000;Olariu and Bhattacharya 2006;Edmonds and Slingerland 2007;Enge et al 2010) while delta-plain deposits have received less attention, in part because they are commonly fine-grained and poorly exposed, and also due to many ancient delta successions being top-truncated during transgressive phases (Bhattacharya 2006). An important component of delta-plain successions are subdeltas, which build into marine, brackish, or fresh permanent water bodies such as bays, lagoons, and lakes (Elliott 1974).…”

Section: Introductionmentioning

confidence: 99%

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Stratigraphic Record of River-Dominated Crevasse Subdeltas With Tidal Influence (Lajas Formation, Argentina)

Gugliotta¹,

Flint²,

Hodgson³

et al. 2015

Journal of Sedimentary Research

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Crevasse subdeltas develop on modern river-dominated delta plains, and may be affected by the interaction of river currents and marine processes. However, their sedimentology and stratigraphic architecture is poorly constrained, leading to simplistic depositional models of delta-plain systems in the ancient record. Extensive exposures of the Middle Jurassic Lajas Formation permit the architecture, main stratigraphic surfaces, and lateral and vertical facies variations of crevasse subdelta deposits to be constrained. Lower-delta-plain successions studied in the Lajas Formation consist of up to 5-m-thick distributary channels and interdistributary-bay deposits, interpreted as crevasse subdeltas. Crevasse subdelta deposits consist of small-scale lenticular units (, 1-2 m thick) interpreted as crevasse channels and upward-coarsening and upward-thickening packages (, 2 m thick) with clinothems interpreted as crevasse mouth bars. These deposits preserve interbedding of coarser and finer sediments that are interpreted as river flood and interflood couplets associated with variations in river discharge. River flood beds are commonly structureless and erosionally based, and show little evidence of tidal action and brackish-water conditions. Interflood deposits show rhythmically distributed mudstone drapes, bimodality, and brackish trace fossils. This study highlights an important but largely undocumented component of interdistributary deposits consisting of tide-influenced, but strongly riverdominated, prograding depositional bodies. An implication is that some coarsening-upward, forward-accreting units previously interpreted from the rock record as interchannel ''tidal bars'' may instead represent minor mouth bars of tide-influenced crevasse subdeltas. Furthermore, present-day crevasse subdeltas are restricted to river-dominated delta systems that flow into semi-enclosed or enclosed seas and lakes with microtidal conditions and limited wave action, which is comparable to paleogeographic reconstructions for the Neuquén Basin during the Middle Jurassic.

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Section: Architecturementioning

confidence: 75%

Section: Introductionmentioning

confidence: 99%

Stratigraphic Record of River-Dominated Crevasse Subdeltas With Tidal Influence (Lajas Formation, Argentina)

Gugliotta¹,

Flint²,

Hodgson³

et al. 2015

Journal of Sedimentary Research

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“…Most previous studies have focused on outcrops in the area north of the town of Helper (Olariu et al 2005(Olariu et al , 2010Howell et al 2008;Enge et al 2010aEnge et al , 2010b, in the northern part of the Wasatch Plateau. Here the Panther Tongue is characterized by delta-front clinoforms deposited by intermittent sediment gravity flows, and it contains multiple laterally stacked mouth-bar bodies (Olariu et al 2005(Olariu et al , 2010Enge et al 2010aEnge et al , 2010b. In sequence stratigraphic terms, the Panther Tongue has been interpreted to record forced regressive or lowstand deposition, due to the large dip extent of the unit (.…”

Section: Geologic Setting and Previous Workmentioning

confidence: 99%

“…During the last two decades, several studies have analyzed the highresolution, intra-parasequence stratigraphic architecture and associated heterogeneities of fossil deltas and strandplains (Gani and Bhattacharya 2007;Hampson et al 2008;Sømme et al 2008;Charvin et al 2010;Enge et al 2010aEnge et al , 2010bOlariu et al 2010;Li et al 2011) to unravel the forcing mechanisms controlling their evolution. For example, Hampson and Storms (2003) and Storms and Hampson (2005) showed that individual clinoforms in a wave-dominated parasequence were formed by enhanced wave scour and/or sediment starvation, which may have been driven by minor fluctuations in sea level, sediment supply, and/or wave regime over short timescales (10 1 to 10 3 years).…”

Section: Introductionmentioning

confidence: 99%

Along-Strike Variations In Stratigraphic Architecture of Shallow-Marine Reservoir Analogues: Upper Cretaceous Panther Tongue Delta and Coeval Shoreface, Star Point Sandstone, Wasatch Plateau, Central Utah, U.S.A.

Forzoni

Hampson

Storms

2015

Journal of Sedimentary Research

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Along-strike variations in sediment supply and process regime may result in different facies distributions, preservational biases, and stratigraphic architectures in shallow-marine strata. Data from a large (c. 100 km), nearly continuous outcrop belt aligned oblique to depositional strike was integrated with nearby subsurface well data and petrological analysis of distal fine-grained deposits, to analyze along-strike variations in stratigraphic architecture in a single parasequence in the upper Cretaceous Star Point Sandstone, Wasatch Plateau, central Utah, USA.The parasequence comprises wave-dominated shoreface deposits in the southern part of the study area and represents a single episode of shoreline regression and transgression. Four progradationally stacked bedsets (BS1-BS4) in the distal deposits of the parasequence are the expression of minor variations in relative sea level, sediment supply, and/or wave climate. The four bedsets can be traced to river-dominated deltaic deposits (Panther Tongue) in the northern part of the study area. We interpret the parasequence on the scale of the Wasatch Plateau outcrop belt as the record of deposition in a regressive river-and waveinfluenced delta deflected asymmetrically towards the SSW, subparallel to the regional paleo-shoreline trend, and a coeval wave-dominated strandplain. The lateral transition from river-to wave-dominated facies is attributed to the localization of a major river acting as a sediment point source in the north, with wave-induced longshore transport to the south. Our results imply that characterizing lateral facies distributions and the expression of bedsets is vital for interpreting along-strike variability in controlling mechanisms of stratigraphic architecture, and that external forcing may be recorded differently along depositional strike. ALONG-STRIKE VARIATIONS IN THE UPPER CRETACEOUS PANTHER TONGUE DELTA, UTAH 969 J S R 970 A. FORZONI ET AL. J S R ALONG-STRIKE VARIATIONS IN THE UPPER CRETACEOUS PANTHER TONGUE DELTA, UTAH 971 J S R 972 A. FORZONI ET AL. J S R ALONG-STRIKE VARIATIONS IN THE UPPER CRETACEOUS PANTHER TONGUE DELTA, UTAH 973 J S R FIG. 4.-Stratigraphic logs and accompanying photos of wave-dominated shoreface facies successions. A) Upward-shallowing wave-dominated shoreface succession truncated by a wave ravinement surface overlain by fining-upward transgressive deposits at Deer Creek. B) Three upward-coarsening bedsets of variably amalgamated storm-event beds in a wave-dominated lower shoreface succession at Muddy Creek. C) Upward-coarsening wave-dominated shoreface succession truncated by a wave ravinement surface at Des Bee Dove Mine. A cemented bed separates bedsets N3 and N4. Localities are shown in Figure 2. 974A. FORZONI ET AL.

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“…The deposition and distribution of industrial by-products in dump sites is different to those of naturally-occurring rocks and minerals and cannot be compared to natural depositional environments, such as those studied in outcrop geology (e.g. [Enge et al, 2010]). Byproducts from iron and steel production are heterogeneous in their composition, caused by different slag formers, raw materials and production methods.…”

Section: Introductionmentioning

confidence: 99%

Mapping of iron and steelwork by-products using close range hyperspectral imaging: A case study in Thuringia, Germany

Denk

Gläßer

Kurz

et al. 2015

European Journal of Remote Sensing

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This paper presents the first use of close range terrestrial hyperspectral imaging to explore by-products from the iron and steel industry at a dump site cross section, using established mapping approaches in geological remote sensing. Laboratory reflectance measurements, X-Ray diffraction and chemical analysis provided a benchmark for the imaging results. In addition, terrestrial laser scanning was applied to create a high resolution 3D model of the studied section, for hyperspectral image and classification integration. Results demonstrate the applicability of spectral methods for remote discrimination and mapping of materials from iron and steel production which are of potential economic interest. This will aid the appraisal of resource distribution for urban mining and material recycling.

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The Geometry and Internal Architecture of Stream Mouth Bars in the Panther Tongue and the Ferron Sandstone Members, Utah, U.S.A.

Cited by 48 publications

References 42 publications

Stratigraphic Record of River-Dominated Crevasse Subdeltas With Tidal Influence (Lajas Formation, Argentina)

Stratigraphic Record of River-Dominated Crevasse Subdeltas With Tidal Influence (Lajas Formation, Argentina)

Along-Strike Variations In Stratigraphic Architecture of Shallow-Marine Reservoir Analogues: Upper Cretaceous Panther Tongue Delta and Coeval Shoreface, Star Point Sandstone, Wasatch Plateau, Central Utah, U.S.A.

Mapping of iron and steelwork by-products using close range hyperspectral imaging: A case study in Thuringia, Germany

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