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Mongolia Project Locations |
July 2007 Ingiin-Nars Geology and Mineralization (digitized from 1978 Soviet work, green zone is greater than 0.01% uranium, red zone is greater than 0.02% uranium)
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Ingiin-Nars 1978 Soviet Drilling
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October 2007 Ingiin Nars Drill Hole Locations
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Ingiin-Nars
In June 2007, East Asia Minerals acquired 100% of a tenement containing a portion of the Ingiin-Nars Uranium Deposit in Mongolia. Based on Soviet-era drilling and trenching, the Ingiin-Nars Deposit continues northeast into the East Asia property where it remains open along strike. More drilling will be required to quantify the portion contained by the East Asia property and to determine the full extent of the strike distance. The uranium mineralization is stratiform sandstone hosted and reported to be amenable to in-situ leach (ISL) recovery.
The known Nars uranium mineralization, including both the Ingiin and the Mys deposits, is traceable at surface for 11 kilometres. The discovery was made approximately 500 kilometres SSE of Ulaanbaatar during Soviet exploration in 1978. The main Ingiin Deposit contains a Soviet-era, P1 category drilled resource of approximately 1,000 tonnes (2.2 million pounds) of contained uranium (U.V. Toitskii and V.A. Kaldishkin, 1978-1990, Geological Report No. 2428, "Report on prospecting-estimation work in Dornogobi Aimag"). The grade averages 0.042% U, calculated on an average thickness of 3 metres and cut off grade of 0.02% U, representing a deposit of approximately 2.4 million tonnes. The average grade of non-category drill intercepts is 0.052% U.
Soviet-era drilling on East Asia's portion of the Ingiin Deposit includes four sections with several intersections of 0.023 to 0.068% U up to 7 metres thick. Mineralization at Ingiin is sub-horizontally dipping, strata-discordant stack or roll-front type, and occurs at a depth of 180 to 480 metres over a 100 to 400 metre wide zone, extending for 4.5 kilometres. The mineralization is hosted by a 30 to 110 metre thick sequence of poorly consolidated sand and gravel beds, inter-bedded with impermeable horizons of clay and argillaceous silt; amenable to an ISL setting. This mineralization remains open to the immediate northeast of the drilled resources at the main Ingiin Deposit, where Soviet-era data suggests the presence of another mineralized body that may be as large, or larger, than the drilled portion of Ingiin-Nars.
East Asia has completed ground work, including radiometric surveying, mapping and identification of the Soviet-era drill holes, at Ingiin-Nars. Phase One drilling, currently underway at Ingiin-Nars is designed to validate the uranium deposits outlined by the historic Soviet work.
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