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Location: 40 km SW from Tonopah, Nevada, United States
Suite 2150 - 555 West Hastings StreetVancouverBritish Columbia, CanadaV6B 4N6
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The geology of the Clayton Valley area is underlain by basement rocks composed of a thick sequence of Neoproterozoic to Ordovician carbonate and clastic sediments that were deposited along the ancient western passive margin of North America (Albers and Stewart, 1965 & 1972). During the Late Jurassic Period, a series of granitoid magmas intruded the basement sedimentary rocks. In the Tertiary, (Oligocene and Miocene) basin and range faulting was accompanied by volcanic eruptions of intermediate to felsic lavas occurred throughout the region. Thin to thick veneers of Quaternary gravels and alluvium cover much of the landscape today and playa lake deposits occur on the lowest elevation areas of the basins.The project area hosting the lithium mineralization is composed of Miocene pyroclasic rocks overlain by the Esmeralda Formation, a clay-rich, fresh water (alkaline) lake sediment deposit. The pyroclastic rocks are postulated to be the source of the lithium, and the clay rich units of the Esmeralda Formation currently host the concentrations of potentially minable lithium.Significant Mineralized ZonesAll of the lithium mineralization is hosted within clays hosted by the Esmeralda Formation. The Middle Member is the highest grade and has the best lateral continuity. The distribution of the lithium mineralization is controlled by specific lithic compositions and/or their underlying physical properties. Overall, the mineralized horizon ranges from 50 m to 150 m thick. It strikes along azimuth 40° and dips -4° southeast. The mineralization is laterally continuous within the preferred lithology but does vary in grade perpendicular to the stratigraphy. There are at least three parallel preferred planes of higher-grade mineralization.
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