|July 02, 2011|
Einarson Project Exploration Program Update
|Regional Geologic Setting:|
Anthill Resources' Einarson Lake Property is located in the northeast Selwyn Basin, a part of Ancestral North America (Laurentia). The Selwyn Basin is comprised of Neoproterozoic to Paleozoic slope-to-basin faces continental margin strata, which includes the characteristic eastern shallow water carbonates and western deep-water settings. "The carbonates were succeeded by hemipelagic and pelagic organic-rich sediments with occasional terrigenous material" along the continental slope. There is an association of uplifted Selwyn Basin rocks with turbidity current deposits. Morganti et al. (1979), Mair et al. (2006).
The faces of the Selwyn Basin have undergone intense deformation, extension, faulting and folding since their deposition. Folding began in the Jurassic with the onset of orogenic activity when the continental margin was overridden by Yukon-Tanana terrain. Deformation relating to continental collision stopped, and in the late Cretaceous lateral shifting moved the continental margin material of the basin dextrally along the Tintina fault. (Nelson, J., and Colpron, M., 2007)
Regionally, the Selwyn Basin is located to the east of the Tintina Fault, the Cordillera tectonic zone to the west, Arctic land to the North and the North American
Platform to the east. Similar tectonic settings exist in the Carlin-type gold regions of Nevada, USA (Cook, 2003) and Wenxian, China (Sun, Shu hao, 2009).
Summary of Grass Roots Progress:
Extension fault showing rifting
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