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Articles 31 - 52 of 52
Full-Text Articles in Entire DC Network
Determination Of Structural-Geomorphological And Neotectonic Elements Controlling The Oil And Gas Performance Of The Ferghana Region Using Digital Space Images, S Nesmeyanov, Rakhimjan Umurzakov, Samariddin Rabbimkulov, O Voeykova
Determination Of Structural-Geomorphological And Neotectonic Elements Controlling The Oil And Gas Performance Of The Ferghana Region Using Digital Space Images, S Nesmeyanov, Rakhimjan Umurzakov, Samariddin Rabbimkulov, O Voeykova
Technical science and innovation
The article describes the results of studies carried out with the aim of identifying the main structural-geomorphological and neotectonic elements that control oil and gas content within the Fergana depression using materials from remote sensing of the Earth. Based on a quantitative analysis of the distribution of oil and gas fields, the main structures that control the oil and gas content of the territory have established stepped zones (31% of the total number of fields), monoclines (22%), near-side slopes and fault zones (10-15%). Possibilities of identifying such areas using Landsat 8 satellite images were considered. In addition, various published geological …
Geology Study – Drilling Down At Red Trail Energy, University Of North Dakota. Energy And Environmental Research Center
Geology Study – Drilling Down At Red Trail Energy, University Of North Dakota. Energy And Environmental Research Center
EERC Brochures and Fact Sheets
Fact sheet about a 2019–2020 geophysical survey near Richardton, North Dakota. The survey investigated the area’s feasibility as a CO2 storage site, as part of the Red Trail Energy carbon capture and storage (CCS) research effort. Summarizes survey process and results. [This item is an outdated or superseded version and retained for historical purposes only. It may no longer reflect current information, policies, or practices.]
Geology And Fossils Of North Central Texas (Fort Worth To Mineral Wells): Texas Academy Of Science February 28 2021, R. Larell Nielson
Geology And Fossils Of North Central Texas (Fort Worth To Mineral Wells): Texas Academy Of Science February 28 2021, R. Larell Nielson
Faculty Publications
The 2021 Texas Academy of Science Geology field trip will be a virtual field trip that you may run at any time. It will have two parts;Part 1 consists of a video discussion of each stop( https://www.youtube.com/watch?v=EJKSgqtLvw0)and Part 2 consists of this field trip guidebook (for use when visiting each of the locations). The field trip will start at Holiday Park,near Benbrook,southwest of Fort Worth,Texas, and will end at the Mineral Wells Fossil Park, west of Minerals Wells, Texas. T
The Nabataean Façade Monuments Of Petra, Jordan: An Assessment Of The Façade Monuments And Their Geological Environment., Josie M. Newbold
The Nabataean Façade Monuments Of Petra, Jordan: An Assessment Of The Façade Monuments And Their Geological Environment., Josie M. Newbold
Theses and Dissertations
The Nabataean people controlled the Petra region of modern-day Jordan from sometime before 300 BCE until the Roman Annexation of the Nabataean kingdom in 106 CE. The Nabataeans are known for the monumental façades carved into the sandstone cliffs surrounding their capital city. The first survey of the façade monuments was undertaken by Brünnow and Domaszewski in 1904. They created a typology that has only been slightly modified by subsequent authors including Judith McKenzie (1990). This typology does not account for all of the variations in façade types in Petra, thus creating a need for a new typology proposed in …
Differentiating Early From Later Diagenesis Cretaceous Sandstone And Petroleum Reservoir Of The Cedar Mountain Formation In Utah, C. Robertson, G.A. Ludvigson, R.M. Joeckel, S. Mohammadi, J.I. Kirkland
Differentiating Early From Later Diagenesis Cretaceous Sandstone And Petroleum Reservoir Of The Cedar Mountain Formation In Utah, C. Robertson, G.A. Ludvigson, R.M. Joeckel, S. Mohammadi, J.I. Kirkland
School of Natural Resources: Faculty Publications
No abstract provided.
Reconstruction Of Pre-Illinoian Ice Margins And Glaciotectonic Structures From Airborne Electromagnetic (Aem) Surveys At The Western Limit Of Laurentide Glaciation, Midcontinent U.S.A., Jesse T. Korus, Robert M. Joeckel, Jared D. Abraham, Anne-Sophie Høyer, Flemming Jørgensen
Reconstruction Of Pre-Illinoian Ice Margins And Glaciotectonic Structures From Airborne Electromagnetic (Aem) Surveys At The Western Limit Of Laurentide Glaciation, Midcontinent U.S.A., Jesse T. Korus, Robert M. Joeckel, Jared D. Abraham, Anne-Sophie Høyer, Flemming Jørgensen
School of Natural Resources: Faculty Publications
Early and early Middle Pleistocene glaciations in midcontinental USA are poorly understood relative to more recent Illinoian and Wisconsinan glaciations, largely because pre-Illinoian glacial landforms and deposits are eroded and buried. In this paper, we present a new interpretation of buried, pre-Illinoian glacial features along the Laurentide glacial margin in northeastern Nebraska using Airborne ElectroMagnetics (AEM) supplemented with borehole logs and 2m LiDAR elevation data. We detect and map large-scale (101–102 km) geological features using contrasts in electrical resistivity. The Laurentide glacial limit is marked by a continuous (>120 km) contrast between conductive (<15 Ω-m), clayey tills and resistive (>40 Ω-m) sandy sediments. Several …
The Cobb-Pool Site, A Caddo Settlement In The Mountain Creek Valley, S. Alan Skinner
The Cobb-Pool Site, A Caddo Settlement In The Mountain Creek Valley, S. Alan Skinner
Index of Texas Archaeology: Open Access Gray Literature from the Lone Star State
The Cobb-Pool site was excavated in 1985-1986 by the Archaeology Research Program at Southern Methodist University (SMU) before Joe Pool Lake was constructed. The site had been located by the late R. King Harris in the 1930s and Harris collected early Caddo pottery, a Gahagan biface, Alba arrow points, and other chipped stone tools from the surface. SMU located the posthole pattern of three house structures, a large roasting pit, and several other features. Recovered during the excavation was an assemblage that complemented the Harris collection but also included a large sample of maize unlike that found in any other …
Age And Paleoenvironmental Significance Of The Frazer Beach Member: A New Lithostratigraphic Unit Overlying The End-Permian Extinction Horizon In The Sydney Basin, Australia, James L. Crowley
Geosciences Faculty Publications and Presentations
The newly defined Frazer Beach Member of the Moon Island Beach Formation is identified widely across the Sydney Basin in both outcrop and exploration wells. This thin unit was deposited immediately after extinction of the Glossopteris flora (defining the terrestrial end-Permian extinction event). The unit rests conformably on the uppermost Permian coal seam in most places. A distinctive granule-microbreccia bed is locally represented at the base of the member. The unit otherwise consists of dark gray to black siltstone, shale, mudstone and, locally, thin lenses of fine-grained sandstone and tuff. The member represents the topmost unit of the Newcastle Coal …
Toward An Integrative Geological And Geophysical View Of Cascadia Subduction Zone Earthquakes, Maureen A.L. Walton, Lydia M. Staisch, Tina Dura, Jessie K. Pearl, Brian Sherrod, Joan Gomberg, Simon Engelhart, Ray E. Wells, Multiple Additional Authors
Toward An Integrative Geological And Geophysical View Of Cascadia Subduction Zone Earthquakes, Maureen A.L. Walton, Lydia M. Staisch, Tina Dura, Jessie K. Pearl, Brian Sherrod, Joan Gomberg, Simon Engelhart, Ray E. Wells, Multiple Additional Authors
Geology Faculty Publications and Presentations
The Cascadia subduction zone (CSZ) is an exceptional geologic environment for recording evidence of land-level changes, tsunamis, and ground motion that reveals at least 19 great megathrust earthquakes over the past 10 kyr. Such earthquakes are among the most impactful natural hazards on Earth, transcend national boundaries, and can have global impact.Reducing the societal impacts of future events in the US Pacific Northwest and coastal British Columbia, Canada, requires improved scientific understanding of megathrust earthquake rupture, recurrence, and corresponding hazards. Despite substantial knowledge gained from decades of research, large uncertainties remain about the characteristics and frequencies of past CSZ earthquakes. …
Surface Heat Flow In Western Anatolia (Turkey) And Implications To The Thermal Structureof The Gediz Graben, Eli̇f Pazvantoğlu, Kami̇l Erkan, Müjgan Şalk, Bülent Oktay Akkoyunlu, Mete Tayanç
Surface Heat Flow In Western Anatolia (Turkey) And Implications To The Thermal Structureof The Gediz Graben, Eli̇f Pazvantoğlu, Kami̇l Erkan, Müjgan Şalk, Bülent Oktay Akkoyunlu, Mete Tayanç
Turkish Journal of Earth Sciences
Knowledge of heat flow density on the Earth's surface and subsurface temperature distribution is essential for the interpretation of several processes in the crust such as for the evaluation of the geothermal potential of a region. With this study, we investigate the conductive heat flow distribution in western Anatolia to understand the thermal state and its relationship to regional tectonics in the region. The new heat flow data are collected and combined with previously published data to obtain the new heat flow map of western Anatolia. Analysis of data sets after appropriate corrections yields a better picture of the regional …
Effect Of Tropical Cyclones On Coastal Marine Ecosystems, Xenia Neal
Effect Of Tropical Cyclones On Coastal Marine Ecosystems, Xenia Neal
Theses, Dissertations and Culminating Projects
Tropical cyclone activity is predicted to intensify with anthropogenic climate change. Therefore, there has been a call to action in the scientific community to increase knowledge of the impacts of tropical cyclones on ecosystems. In particular, there is a wide knowledge gap in the understanding of how tropical cyclones influence coastal marine ecosystems. Using a standardized Web of Science database search, I identified 101 peer-reviewed articles documenting the impacts of tropical cyclones on coastal marine ecosystems in the North Atlantic Ocean, including coral reefs, mangrove forests, salt marshes, and seagrass meadows. Here, I summarize the results of these articles with …
Interpretation Of Magnetic Data Using Boundary Analysis And Inversion Techniques: A Case Study From Gölcük/Isparta (Turkey) Region, Coşkun Sari, Emre Ti̇mur
Interpretation Of Magnetic Data Using Boundary Analysis And Inversion Techniques: A Case Study From Gölcük/Isparta (Turkey) Region, Coşkun Sari, Emre Ti̇mur
Turkish Journal of Earth Sciences
The Gölcük (Isparta) is on the southern side of the city of Isparta in the Mediterranean region of Turkey. The investigation of magnetic field strength variations over subterranean layers may reveal their locations on Earth?s surface and provide physical and geometrical characteristics. Magnetic studies were carried out around Gölcük caldera lake using proton magnetometers to identify subsurface volcanic structures. The acquired data were inverted using four different edge detection algorithms such as analytic signal, tilt angle, theta map, horizontal gradient. Afterwards, the results were used to determine the locations of the anomalous structures. We also used pseudo-gravity and reduction-to-pole techniques …
Structural Characteristics Of Transtensional Fault System And Its Implication Forhydrocarbon Accumulation In S Block, South Asia Area, Yuwen Dong, Iftikhar Satti, Maman Hermana, Xu Chen
Structural Characteristics Of Transtensional Fault System And Its Implication Forhydrocarbon Accumulation In S Block, South Asia Area, Yuwen Dong, Iftikhar Satti, Maman Hermana, Xu Chen
Turkish Journal of Earth Sciences
Transtensional faults are well developed in the S Block of the South Asia area, which have an important impact on the hydrocarbon accumulation. However, the transtensional fault structure is very complex. Based on drilling and seismic data interpretation results, faults are divided into three typical types in the Lower Cretaceous, which can help to understand the complex fault system. The main faults are distributed in the NNW-SSE direction and parallel arrangement with dextral strike-slip shear characteristics, which determines the development of the tectonic belt. The secondary faults are often associated with the main faults, often composed of multiple branch faults. …
Structural Controls And Hydrogeochemical Properties Of Geothermal Fields In The Vartoregion, East Anatolia, Taygun Uzelli̇, Mehmet Furkan Şener, İskender Dölek, Alper Baba, Hasan Sözbi̇li̇r, Ramazan Kadi̇r Di̇ri̇k
Structural Controls And Hydrogeochemical Properties Of Geothermal Fields In The Vartoregion, East Anatolia, Taygun Uzelli̇, Mehmet Furkan Şener, İskender Dölek, Alper Baba, Hasan Sözbi̇li̇r, Ramazan Kadi̇r Di̇ri̇k
Turkish Journal of Earth Sciences
Varto and the surrounding region have important geothermal fields, developing in strike-slip tectonic setting in East Anatolia, which resulted from the collision of the Arabian and Eurasian plates. The main structural elements in the area are the NE-trending sinistral and NW-trending dextral strike-slip fault segments and N-S trending extension zones. In order to determine fault-controlled geothermal circulation, it is very important to fully characterize the structural elements in these complex environments. The widely distributed volcanic rocks have fracture and crack systems that play an important role in surface infiltration, geothermal fluid, and groundwater circulation. Especially in areas where the fault …
1914 July, West Tennessee State Normal School Bulletin
1914 July, West Tennessee State Normal School Bulletin
Bulletins
Vol. 3, No. 2 of the West Tennessee State Normal School bulletin featuring the catalogue for 1913-14, 1914 July.
1915 July, West Tennessee State Normal School Bulletin
1915 July, West Tennessee State Normal School Bulletin
Bulletins
Vol. 4, No. 3 of the West Tennessee State Normal School bulletin containing an annual announcement and catalogue for 1914-1915, 1915 July.
1916 July, West Tennessee State Normal School Bulletin
1916 July, West Tennessee State Normal School Bulletin
Bulletins
Vol. 5, No. 3 of the West Tennessee State Normal School bulletin containing the catalogue for 1915-16 and announcement for 1916-17, 1916 July.
1917 July, West Tennessee State Normal School Bulletin
1917 July, West Tennessee State Normal School Bulletin
Bulletins
Vol. 6, No. 3 of the West Tennessee State Normal School bulletin containing the catalogue for 1916-17 and announcement for 1917-18, 1917 July.
Reservoir Characteristics And Lateral Variability Of The Marcellus Formation At The Allegheny Mountain Front, Bruno J. Abersold
Reservoir Characteristics And Lateral Variability Of The Marcellus Formation At The Allegheny Mountain Front, Bruno J. Abersold
Graduate Theses, Dissertations, and Problem Reports (ETD)
The Marcellus Formation, a large shale gas reservoir located within in the Appalachian basin, produces the energy that fuels the economy across the United States. Well data and rock core for the Coastal 1H well, found in Fayette County, Pennsylvania, provides the basis to understand reservoir characteristics and depositional processes of the Marcellus Formation across the basin. The well is located near along the eastern edge of the productive fairway and adjacent to the Allegheny mountain front. We used characteristics, such as total organic carbon (TOC), geomechanical properties, and lithology, to integrate with ten other available wells across the basin. …
Age And Paleoenvironmental Significance Of The Frazer Beach Member—A New Lithostratigraphic Unit Overlying The End-Permian Extinction Horizon In The Sydney Basin, Australia, Stephen Mcloughlin, Robert S. Nicoll, James L. Crowley, Vivi Vajda, Chris Mays, Christopher R. Fielding, Tracy D. Frank, Alexander Wheeler, Malcolm Bocking
Age And Paleoenvironmental Significance Of The Frazer Beach Member—A New Lithostratigraphic Unit Overlying The End-Permian Extinction Horizon In The Sydney Basin, Australia, Stephen Mcloughlin, Robert S. Nicoll, James L. Crowley, Vivi Vajda, Chris Mays, Christopher R. Fielding, Tracy D. Frank, Alexander Wheeler, Malcolm Bocking
Department of Earth and Atmospheric Sciences: Faculty Publications
The newly defined Frazer Beach Member of the Moon Island Beach Formation is identified widely across the Sydney Basin in both outcrop and exploration wells. This thin unit was deposited immediately after extinction of the Glossopteris flora (defining the terrestrial end- Permian extinction event). The unit rests conformably on the uppermost Permian coal seam in most places. A distinctive granule-microbreccia bed is locally represented at the base of the member. The unit otherwise consists of dark gray to black siltstone, shale, mudstone and, locally, thin lenses of fine-grained sandstone and tuff. The member represents the topmost unit of the Newcastle …
Volcanological Evolution Of Pantelleria Island (Strait Of Sicily) Peralkaline Volcano: A Review, Silvio G. Rotolo, Stéphane Scaillet, Fabio Speranza, John C. White, Rebecca Williams, Nina J. Jordan
Volcanological Evolution Of Pantelleria Island (Strait Of Sicily) Peralkaline Volcano: A Review, Silvio G. Rotolo, Stéphane Scaillet, Fabio Speranza, John C. White, Rebecca Williams, Nina J. Jordan
EKU Faculty and Staff Scholarship
Pantelleria volcano has a particularly intriguing evolutionary history intimately related to the peralkaline composition of its explosively erupted magmas. Due to the stratigraphic complexity, studies over the last two decades have explored either only the pre-Green Tuff ignimbrite volcanism or the post-Green Tuff activity. We here focus on the whole evolutionary history, detailing the achievements since the first pioneering studies, in order to illustrate how the adoption and integration of progressively more accurate methods (40Ar/39Ar, paleomagnetism, petrography, and detailed field study) have provided many important independent answers to unresolved questions. We also discuss rheomorphism, a distinct feature at Pantelleria, at …
A Study Of Structures In The Magnetic Basement In The Reelfoot Rift And Surrounding Region, Christopher Marlow
A Study Of Structures In The Magnetic Basement In The Reelfoot Rift And Surrounding Region, Christopher Marlow
Electronic Theses and Dissertations Archive
We apply multiple filters to aeromagnetic intensity data to visualize the magnetic signature of eastern Reelfoot rift margin basement rocks. We interpret the eastern Reelfoot rift margin to be segmented into nine intersecting faults. We calculate the moment magnitude potential of each fault based on the estimated fault length. The minimum moment magnitude potential is 6.0, and the maximum is 7.0.The Crittenden County fault zone is a potentially active fault zone located within 25 km of Memphis, Tennessee, and poses a significant seismic hazard to the region. To improve our understanding of the structure of both fault systems in this …