Bulletin Article


The Ardath Shale and Scripps Formation exposed along Blackrsquos Beach north of La Jolla, California, record a deep-water channelized slope system of an Eocene forearc basin. The outcrop exposure, which is approximately 100 m (330 ft) high by 1.7 km (sim1 mi) long, offers insight into reservoir distribution and connectivity within coarse-grained, confined, deep-water channel systems.

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Diagenesis significantly impacts mudstone lithofacies. Processes operating to control diagenetic pathways in mudstones are poorly known compared to analogous processes occurring in other sedimentary rocks. Selected organic-carbon-rich mudstones, from the Kimmeridge Clay and Monterey Formations, have been investigated to determine how varying starting compositions influence diagenesis.

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Energy Policy Blog


The StatesFirst working group on induced seismicity just released its report,” Potential Injection-Induced Seismicity Associated with Oil & Gas Development: A Primer on Technical and Regulatory Considerations Informing Risk Management and Mitigation.” The report describes the causes of and ways to prevent induced earthquakes. It also looks at the interaction between regulators and the public, and the report includes case studies of how states have responded to instances of suspected induced seismicity in California, Oklahoma, Ohio, Illinois, and Colorado.

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Explorer Article

The chief geologist for a Canadian regulatory agency says the group is working to assess potential risks by better understanding the full geologic framework in the development of oil sands and heavy oil in the province of Alberta.
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Robert Gray is a man on a mission. Gray, an AAPG Grover E. Murray Distinguished Geology Educator Award winner in 2014, said he is tired of lower-level geologic study at community and city college levels being treated like the Rodney Dangerfield of academia.

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Recent debates have flared in the western United States over federal versus state ownership of public lands. Bills concerning the transfer of some public lands to states have been introduced in the U.S. Congress and many western state legislatures, though none have become law.

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Explorer Division Column EMD


In virtually all regions of sustained production, the industry is steadily improving in situ recovery methods and reducing environmental impacts of bitumen and heavy oil production, especially those associated with surface mining.

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Explorer Emphasis

Utah-based professional geologist and AAPG member Gary Player is the inventor and owner of a patent-pending process for extracting commercial quantities of dissolved natural gas from ground water existing in deep, saline aquifers.
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Feisty. Funny. Determined. Competitive. Brilliant. Generous. The words used to describe Harris in advance of her posthumously receiving the AAPG Harrison Schmitt Award at the upcoming ACE in Denver.
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Explorer Foundation Update


It has a new name, a new energy and a new lineup of experts, all primed to spread geoscience knowledge around the world. “It” is AAPG’s newly named Global Distinguished Lecture Program – emphasis on the “global” – which dates back to 1941 but continues to be the Association’s flagship initiative for offering the latest in geologic science to AAPG affiliated geological societies and universities.

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