Exploration to Date on Western MELs
Exploration of the Western MELs since 2002 has comprised geophysics, mapping, soil geochemistry, trenching and diamond drilling. The work was aimed primarily at testing deep induced-polarization anomalies believed to be associated with porphyry copper mineralization in the Devonian corridor, at epithermal precious metals mineralization in Devonian and Carboniferous rocks of the Shivee Tolgoi MEL, at outcropping copper mineralization (Bayan-ovoo), at scattered molybdenum mineralization along a granite contact (GGMM Target) and at an area of intense hydrothermal alteration (Ring Dyke) on the Togoot MEL.
During 2007, Entrée explored the Western MELs with a programme of ground and airborne magnetics, soil sampling (conventional and MMI), geological mapping, trenching, and 17 holes totalling 7,712 m of diamond drilling. The MMI sampling has indicated two areas of anomalous mobile ions responses: the West Khatnii Guya target, which has an anomalous molybdenum response; and the Altan Khulan target, an open-ended anomalous gold response. Diamond drilling tested a number of different targets - on the Shivee Tolgoi MEL, epithermal gold mineralization and a deep IP target at Zone III; the MMI gold target at Altan Khulan; deep IP targets within the Devonian corridor at Khoyor Mod; and molybdenum mineralization hosted in Carboniferous volcanics at the Boundary Zone and in Carboniferous granitoids in the GGMM zone within the Baruun Grid area. On the Togoot MEL, deep IP targets at the Ring Dyke Target and shallow gold targets at Manakhad were drilled. The most significant intercept for all drilling was on the Altan Khulan target, which returned an intercept of 4.14 grams/tonne Au over 4.0 m.
Additional exploration of the Western MELs was proposed for 2008. The work program includes geological mapping, geophysical surveying, MMI sampling, and diamond drilling, primarily to continue testing the Altan Khulan gold target and the Khatnii Guya molybdenum target. A Phase One budget of US$2.5 million is proposed, with a Phase Two of US$1.3 million contingent on positive Phase One results.
In August 2008, a coal discovery known as Nomkhon Bohr, was made in the northwest corner of Lookout Hill. The type of coal discovered is undetermined, as assay results have not been recieved. Two drill holes intersected three multi-metre thick coal-bearing horizons. Drilling is ongoing.
