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The Betic hinterland, in the westernmost Mediterranean, constitutes a unique example of a stack of metamorphic units. Using a three-dimensional model for the crustal structure of the Betics-Rif area this talk will address the role of crustal flow simultaneously to upper-crustal low-angle faulting in the origin and evolution of the topography.

American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/PackFlashItemImages/WebReady/vg-abstract-how-orogens-could-collapse-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true How Orogens Could Collapse Forming Sedimentary Basins: The Case of the Betic-Rif Orogen
 

In comparison with the known boundary conditions that promote salt deformation and flow in sedimentary basins, the processes involved with the mobilization of clay-rich detrital sediments are far less well established. This talk will use seismic examples in different tectonic settings to document the variety of shale geometries that can be formed under brittle and ductile deformations.

American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/PackFlashItemImages/WebReady/vg-abstract-salt-vs-shales-in-continental-margins-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Salt versus Shales in Continental Margins and Orogens
 

Mark G. Rowan, one of two recipients of this year’s Robert R. Berg Outstanding Research Award, was more than just a little bit surprised about his selection – as much for being considered as for winning. Rowan received the honor for “his outstanding contributions to research on salt tectonics, fold-thrust belts, passive margins, diapirs and salt sheets, salt-sediment interaction and cross-section restoration.”

American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/PackFlashItemImages/WebReady/Salt-of-the-Earth-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Mark Rowan: Robert R. Berg Outstanding Research Award Salt of the Earth
 

On Feb. 26, 2018, Papua New Guinea experienced a 7.5 magnitude earthquake that killed 140 people and produced 200 aftershocks over two months. Earthquakes are nothing new for the nation located northeast of Australia and east of Malaysia. Papua New Guinea, called PNG by locals and neighbors, is highly complex, in terms of society and geology.

American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/PackFlashItemImages/WebReady/new-study-revises-papua-new-guineas-geologic-origins-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true New Study Revises Papua New Guinea’s Geologic Origins
 

Geomechanical restoration methods are dependent on boundary conditions to ensure geological consistency of the restored model in terms of geometry and strain. Classical restoration boundary conditions, such as flattening a datum horizon, may lead to inconsistent displacement and strain fields.

American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/PackFlashItemImages/WebReady/bltn17154f12.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true 10.1306/0504171620817154 Validating novel boundary conditions for three-dimensional mechanics-based restoration: An extensional sandbox model example
 

Scientific drill cores from Lake Malawi provide the first continuous and high-resolution 1.2 million-year terrestrial record of past climates in East Africa. The multi-proxy climate signals extracted from these lake sediments reveal remarkable high-frequency and high-amplitude variability in effective moisture over this major southern hemisphere catchment. The level of Lake Malawi dropped more than 400 m at least 25 times over the past 1.2 million years, substantially impacting endemic organisms in the lake, and implying significant landscape variability over this time interval. This presentation provides an overview of the Lake Malawi Scientific Drilling Project, including basin framework seismic images from this enormous ultra-deep rift lake. This work and subsequent East Africa drilling studies are providing the environmental context for the origin of our own species.

Show more American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/PackFlashItemImages/WebReady/dl-christopher-scholz-mountains-monsoons-and-migrations-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Mountains, Monsoons and Migrations: Rift Tectonics, Tropical Climates and the Origin of Humans
 

Continental rifts have long been important for hosting lacustrine source rocks in many hydrocarbon provinces, and in recent years rifts have seen accelerated exploration for syn-rift reservoirs. The application of sequence stratigraphy to rift-lake systems requires special consideration, in light of 1) heightened and spatially variable subsidence accompanying normal faulting; and 2) sensitive lake levels driven by climatic shifts over geological time scales. This presentation provides examples of sequence stratigraphy applied to rift-lake systems, especially considering the roles of rift segmentation, magmatism (or lack thereof), and varying continental hydroclimates. The wide geochemical variability of lake systems in rifts is in part driven by the different styles of magmatism observed in different extensional environments, which influences the occurrences of lacustrine carbonates. Predictive models of siliciclastic reservoir facies in extensional basins are grounded in our understanding of structural controls of drainage systems. Stacking patterns and lithofacies variability are commonly complicated by climatic processes. Many tropical lakes are hypersensitive to changing evaporation-precipitation ratios, and therefore lake level changes are amplified through subtle changes in climate. Accordingly, lake level shifts in many tropical basins are dramatic, with documented changes of hundreds of meters over timeframes of a few thousand years. This presentation includes extensive overviews of nested seismic reflection data sets, ranging in scope from high-resolution data to basin- and crustal-scale imagery.

Show more American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/PackFlashItemImages/WebReady/dl-christopher-scholz-magmatic-versus-amagmatic-continental-extension-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Magmatic Versus Amagmatic Continental Extension, and the Sedimentary Sequence Architecture of Rifts
 

Exploration activity in lacustrine basins in extensional settings has accelerated in recent years with important discoveries in the South Atlantic Ocean and in East Africa. This presentation reviews reservoir facies in lacustrine-rifts including siliciclastic deposits, mixed siliciclastic-carbonate systems, as well as lacustrine carbonates, as observed in different systems in East Africa. Lacustrine extensional basins are characteristically dominated by siliciclastic deposits, on account of the high-relief on faulted rift margins, and associated deep-basin subsidence. Source rock facies in lake systems are shown to vary dramatically in space and time, based on studies of modern lake basins as well as ancient high-resolution records revealed through scientific drilling. This presentation offers data-intensive perspectives of extant lake basins in both the western and eastern branches of Africa's Great Rift Valley.

Show more American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/PackFlashItemImages/WebReady/dl-christopher-scholz-hydrocarbon-systems-in-extensional-settings-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Hydrocarbon Systems in Extensional Settings: Insights from Scientific Drilling in East Africa
 
Desktop /Portals/0/PackFlashItemImages/WebReady/dl-integrated-seismic-and-well-log-analysis-of-gas-hydrate-prospects-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Integrated Seismic and Well Log Analysis of Gas Hydrate Prospects
 
Desktop /Portals/0/PackFlashItemImages/WebReady/dl-arctic-and-marine-gas-hydrate-production-testing-lessons-learnedp-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Arctic and Marine Gas Hydrate Production Testing – Lessons Learned
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Online Training
28 April, 2011 28 April, 2011 1471 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-niobrara-petroleum-system-a-major-tight-resource-play.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
28 April 2011

The Niobrara Petroleum System of the U.S. Rocky Mountain Region is a major tight petroleum resource play.

19 August, 2010 19 August, 2010 1462 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-challenging-the-paradigm-missing-section-normal-fault.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
19 August 2010

This presentation will show where there are cases of missing sections, but none of them can be attributed to normal faulting.

14 February, 3000 14 February, 3000 7817 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-generic-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 

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