Relationship of Unconformities, Tectonics, and Sea Level Changes in the Cretaceous of the Western Interior, United States: Part III. Middle Rocky Mountains

R. J. Weimer

AAPG Special Volumes

... sandstones with a transitional contact with underlying Skull Creek Shale. Depositional patterns over basement fault blocks, where slight fault block...

THE HEBGEN LAKE, MONTANA, EARTHQUAKE OF AUGUST 17, 1959

IRVING J. WITKIND

Montana Geological Society

... pattern of the Hebgen Lake area has involved the repeated dropping and tilting of fault blocks. At 11:37 p. m. on August 17, 1959, the pattern...

UPPER CRETACEOUS STRATIGRAPHY AND TECTONIC HISTORY OF THE RIDGWAY AREA, NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO

Paul C. Weimer

Rocky Mountain Association of Geologists

...-trending Precambrian fault blocks - from north to south, the Orvis block, the Ouray graben, and the Uncompahgre block Recurrent movement of these fault...

Abstract: Deltaic Faulting and Subsidence: Analog Modeling, by J-M. Larroque; #91004 (1991)

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Abstract: Seismic Evidence for Blind Thrusting of the Northwestern Flank of the Venezuelan Andes, by B. De Toni and J. Kellogg; #91012 (1992).

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Stereo and Mosaic Aerial Photo Study of Central Ouachita Mountain System in Oklahoma and Arkansas: ABSTRACT

F. A. Melton, K. S. Johnson

AAPG Bulletin

... sediments, producing semi-fault-block structures with tight broken anticlines; this was followed by a collapse of the sediments into deep synclines...

ABSTRACT: Gravity Anomalies, Faults and Gas Fields; #90019 (2003)

Frank A. Revetta, Warren Belile, Justin Spanneut, Andrew McDermott, Joseph Wallach

Search and Discovery.com

... to be an uplifted-fault-bounded block which if correct might account for the existence of those gas fields. Because of the paucity of exposed bedrock, ground...

ABSTRACT: Prospect Definition in the Papuan Foreland Using Airborne Gravity; #90061 (2006)

Stephen James Wood and Peter Gunn

Search and Discovery.com

... area 43km x 60km. The gravity indicates the presence of a basement ridge to the SW section of the permit with a thickened volcaniclastic section NE...

ABSTRACT: The McArthur River Deposit - A Geological Update

Brian McGill

Saskatchewan Geological Society

... with a vertical displacement of up to 80 m. This fault has thrust the hanging-wall block of Aphebian age, in part graphitic metasedimentary rocks...

Petroleum Systems in Jordan

Munim M. Al-Rawi

GEO ExPro Magazine

... fault-bounded basement blocks, as seen in Figure 2. The timing of structural development of the main rift is postulated to be in the Middle to Late...

Abstract: The Logone Birni Basin in Northern Cameroon: Transition Between the West African Rift Sub-System (WAS) and the Central African Rift Sub-System (CAS); Tectonic and Geophysical Models, by Jean-Pierre Loule and Pospisil Lumbomil; #90082 (2008)

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Integrated Geophysical Studies on the Basement Structure of the Arkoma Basin, Oklahoma and Arkansas, #50710 (2012)

Hamed Alrefaee, G. Randy Keller, Kurt J. Marfurt

Search and Discovery.com

... of coherence through the basement surface shows low coherent zone in dark color corresponding to the deformed block. Co-rendered horizon slices of the dip...

Structural Ancestry of the Uinta Mountains

Bruce Bryant

Utah Geological Association

... of the Uinta Mountain Group in the Middle Proterozoic. Fault blocks of Red Creek Quartzite, having mineral assemblages indicative of differing temperatures...

Stable-isotope geochemistry of syntectonic veins in Paleozoic carbonate rocks in the Livingstone Range anticlinorium and their significance to the thermal and fluid evolution of the southern Canadian foreland thrust and fold belt

Michael A. Cooley, Raymond A. Price, T. Kurtis Kyser, John M. Dixon

AAPG Bulletin

... Paleoproterozoic basement of western Canada and United States is composed of a collage of continental blocks separated by ancient fault zones and sutures...

The Origin, History, and Regional Structural Development of the Peace River Arch, Western Canada

Shaun C. O'Connell, George R. Dix,, James E. Barclay

CSPG Bulletin

...-west-trending fault zone at its northern edge. The Arch structure overprinted the pre-existing Precambrian basement structure, and several Archean...

The Semail Gap Fault Zone (Oman Mountains) - Influences of an Inherited Basement Structure on Cenozoic Deformation?; #51662 (2020)

Andreas Scharf, Frank Mattern, Daniel Moraetis, Ivan Callegari, Christian Weidle

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...The Semail Gap Fault Zone (Oman Mountains) - Influences of an Inherited Basement Structure on Cenozoic Deformation?; #51662 (2020) Andreas Scharf...

Yinggehai (Red River) Strike-Slip Fault Zone Displacements and the Tectonic Evolution of the Yinggehai Basin, South China Sea - Insights from Numerical Simulations, #40758 (2011)

Huyen Bui, Yasuhiro Yamada, Toshifumi Matsuoka, Amos Nur

Search and Discovery.com

...) DEM Simulation for Strike-slip Fault Displacements (1) 100cm 100cm 1 1 ω1= −1.48e−3 SOUTH CHINA BLOCK N N SOUTH CHINA BLOCK Y Y Toward...

Chapter Seven: Mid to Late Jurassic Graben Margin Development and Evolution of Shallow Marine to Submarine Fan Systems in the Brae Area of the South Viking Graben, U.K. North Sea

Colin C. Turner, E. Rodger Connell

AAPG Special Volumes

... be because of Zechstein salt movement during the Triassic or thinning over intrabasin fault blocks, but some fault movement may have also occurred along parts...

Tectonic Influence on Deposition and Erosion in a Ramp Setting: Upper Cretaceous Cardium Formation, Alberta Foreland Basin

Bruce S. Hart , A. Guy Plint

AAPG Bulletin

... of the Cardium. Our results suggest that patterns of deposition and erosion have been strongly influenced by episodic reactivation of preexisting basement...

Petroleum Geology of the Uinta Mountains-White River Uplift, Colorado and Utah

John C. Osmond

Rocky Mountain Association of Geologists

... the zone of steeply dipping beds. Uinta fault (UF). -This reverse or thrust fault appears to be south of the north margin of the Block for 40 mi...

Basement Architecture and Sedimentary Fill of the North Makassar Straits Basin

Siti Nur’Aini, Robert Hall, Christopher F. Elders

Indonesian Petroleum Association

... that accumulated in front of a steep fault. Carbonate build-ups are interpreted in the study area on the top of horsts and tilted fault blocks. They exhibit...

The Use of the Petroleum System Approach in Exploration of the Southwest China Sea: An Example from the Vung May Basin

C. S. Kenyon

Southeast Asia Petroleum Exploration Society (SEAPEX)

... degree of brittle basement deformation as manifested by basement fault block rotation and density of faulting in the Vung May area appears to at least...

Geometric, Thermal and Isostatic Consequences of Detachments in Continental Lithosphere Extension and Basin Formation

N. J. Kusznir, G. D. Karner, S. Egan

CSPG Special Publications

..., that large extensional basins are likely to be generated by the superposition of several fundamental building blocks, one block per low angle fault...

The Application of Balancing Cross-Section and Sandbox Modeling for Imbricate Thrust System Characterization in the Sumedang Area of West Java

Pipin Ariyanto, Asep Indra Maulana, Aditya Suardiputra

Indonesian Petroleum Association

... restoration was applied in order to conserve the area’s balance, consistency of bed length, and consistency of fault shape in order to visualize...

Petroleum Geology and Prospects of the Tarim (Talimu) Basin, China: Chapter 32

Hu Boliang

AAPG Special Volumes

... fault block. Around the periphery of the basin (and also on the platform) are four fault block uplifts: (VII) the Keping fault block in the northwest...