Browsing by Subject "Geochronology"
Now showing items 1-6 of 6
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(2016-06-02)The Cenomanian-Turonian Eagle Ford Group was deposited within the Southern Cretaceous Western Interior Seaway (KWIS) and records the onset and duration of the Oceanic Anoxic Event 2 (OAE2). Lozier Canyon in Val Verde ...
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(2020-11-16)Organic-rich mudstone depositional environments commonly were thought to require low-energy and persistent benthic anoxia for accumulation and preservation of large amounts of organic matter. However, more recent studies ...
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(2023-08-07)Subduction-related mountain building along the margins of continents is often characterized by alternating periods of predominant compressional, extensional, and neutral stress conditions. Shifts may arise from changes in ...
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(2019-04-24)The Precambrian rocks of the southern Highland Mountains in Montana record the geologic history of the northwestern Wyoming craton. Multiple generations of mafic and felsic dikes cut the Archean gneissic fabric and are ...
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(2014-11-12)Over the last half-century, the Nakdong and Yeongsan Estuaries of the Republic of Korea (S. Korea) have experienced a wide range of engineered coastal modifications including construction of seawalls, extensive land ...
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(2015-06-02)Sediment delivery to Texas and the northwestern Gulf of Mexico during the Early Paleogene represents an initial cycle of tectonic-influenced deposition that corresponds with the timing of late Laramide uplift. Sediments ...