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Bald Eagle Closes Acquisition of Hercules Silver Property, Idaho, USA

Bald Eagle Closes Acquisition of Hercules Silver Property, Idaho, USA
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Articles for Geosphere posted online in April

Boulder, Colo., USA: GSA s dynamic online journal, Geosphere, posts articles online regularly. Locations and topics studied this month include the Central Anatolian Plateau; the Southern Rocky Mountain Volcanic Field; petrogenesis in the Grand Canyon; and the evolution of the Portland and Tualatin forearc basins, Oregon. A physical and chemical sedimentary record of Laramide tectonic shifts in the Cretaceous-Paleogene San Juan Basin, New Mexico, USA Kevin M. Hobbs; Peter J. Fawcett Abstract: Fluvial siliciclastic rocks bracketing the Cretaceous-Paleogene (K-Pg) boundary in the San Juan Basin, New Mexico (USA), provide records of regional fluvial and tectonic evolution during the Laramide orogeny. Petrographic analyses of sandstones from the Upper Cretaceous Fruitland Formation and Kirtland Formation and the Paleocene Ojo Alamo Sandstone and Nacimiento Formation show that the rivers depositing these sediments were sourced in areas where unroofing of crystalline basement rocks

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New Geology articles published online ahead of print in April

reconstructed from sub-ice shelf and offshore sediments J.A. Smith; C.-D. Hillenbrand; C. Subt; B.E. Rosenheim; T. Frederichs . Abstract: Because ice shelves respond to climatic forcing over a range of time scales, from years to millennia, an understanding of their long-term history is critically needed for predicting their future evolution. We present the first detailed reconstruction of the Larsen C Ice Shelf (LCIS), eastern Antarctic Peninsula (AP), based on data from sediment cores recovered from below and in front of the ice shelf. Sedimentologic and chronologic information reveals that the grounding line (GL) of an expanded AP ice sheet had started its retreat from the midshelf prior to 17.7 ± 0.53

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Bald Eagle Enters into Binding LOI to Acquire Historical Hercules Silver Property in Idaho

Bald Eagle Enters into Binding LOI to Acquire Historical Hercules Silver Property in Idaho
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Pacific Northwest Geologic Mapping: Northern Pacific Border, Cascades and Columbia

Pacific Northwest Geologic Mapping: Northern Pacific Border, Cascades and Columbia
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