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EAST ASIA MINERALS CORPORATION : http://www.eaminerals.com/ : QwikReport

Uranium Portfolio

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)

Ingiin-Nars 1978 Soviet Drilling

October 2007 Ingiin Nars Drill Hole Locations

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.

Mongolian Project Location Map

Enger 2011 Drilling Locations

Enger Plan View (Assay Highlights)

Enger SGH Targets - Drilled Aircore 2011

Cross Section 727635 E

Cross Section 727700 E

Longitudinal Section 5202975 N (Looking North)

Cross Section 727750 E

Cross Section 727775 E

Enger Project
The 1,648-hectare Enger prospect (Tenement 9688) is located 150 kilometres southeast of Ulaanbaatar, Mongolia. Soviet-era work led to the discovery of mineralization in 1985. Uranium mineralization is hosted in Cretaceous basin-fill sandstones and siltstones. The prospect is located along a major structural break forming the boundary between rhyolites and sedimentary units of the Naran Group, which fill the Nyalga Depression. Two types of uranium mineralization have been noted. One occurs as steeply dipping tectonically complex zones in rhyolite and the other occurs as stratiform bodies in the lower Cretaceous sedimentary rocks.

The steeply dipping mineralization is present in a number of localities within the prospect area. At Zone 1, it is 60 to 90 metres wide, up to 350 metres long, and has a true thickness (determined by drilling) of 1.7 to 6.0 metres. Grades vary between 0.056% and 0.19% uranium over the intervals, with a maximum of 0.549% uranium over 0.65 metres. Uranium is depleted at surface. At Zone 2, located 70 to 120 metres below surface, uranium mineralization has a true thickness of up to 200 metres and grades of between 0.061% and 0.067% uranium. A 20 metre thick steeply dipping zone lies between and connects Zones 1 and 2. This zone averages 0.055% uranium.

Stratiform mineralization occurs within sedimentary rocks adjacent to the steeply dipping uraniferous rhyolite zones, and occurs over a strike length of at least several hundred metres. A higher-grade zone of 220 metres length, 30-to-40 metres width, and 0.55 to 4.05 metres thickness is reported to grade from 0.059% to 0.167% uranium. The maximum grade over a single intercept of 0.35 metres was reported at 0.486% uranium. Mineralization was recognized as coeffinite, uraniferous leucoxene, uranophane and otenite. Soviet calculations from more than 10 kilometres of drilling defined an extrapolative, non-NI43-101 compliant resource of approximately 400,000 lbs of contained uranium metal at an average grade of 0.065% (V. I. Pogukai, 1985 -- 1989, Report of Prospecting - Estimation work for Uranium Mineralization in Shivee Ovoo Volcano Tectonic Zone). EAS has not verified the classification of this historic resource and is not treating it as a NI 43-101 defined resource verified by a QP. Although this historical resource is relevant to recognizing the potential of the Enger Property, it should not be relied upon.

During the 2006 exploration program 10 drill holes totaling 2,004.8 metres were completed (Figure U2 and 3). The first pass drill program at Enger was designed to confirm the existence of uranium mineralization recorded from historical Soviet work. Results from the initial EAS drill holes significantly improve on grades and widths of the mineralization reported by the Soviets (Figure U1). Significant intercepts include 2.5 metres of 0.410% U3O8 from 128.5 metres to 131.0 metres in ENDD003, 2.5 metres from 182.5 to 185.0m of 0.232 U3O8 in hole ENDD002, 1.0 metre from 69.5 to 70.5m of 0.086 U3O8 in hole ENDD004 and 13.5 metres from 54.0 to 67.5m of 0.108 U3O8 in hole ENDD005. The mineralization clearly remains open to the east, west and at depth. Drilling supports the concept that mineralization at Enger forms in a strikingly similar geological environment to that at the Gurvanbulag deposit (22,679,160 lbs at 0.25% U3O8).

During the 2007 exploration program the Company completed a second pass drill campaign designed to continue fences drilled in 2006 and to explore for extensions to the uranium mineralization. Four holes were drilled, totalling 663.54 metres. The 2007 program intersected additional uranium mineralization, and remains open. Additionally, there remained two untested radiometric anomalies, a south-southeast structural response extending from the drilling area, and a localized strong radiometric response in the northeast quadrant of the property.

EAS owns 100% of the Enger prospect subject to a 1.5% NSR.

Mongolian Project Location Map

October 2007 Ulaan Nuur Drill Hole Locations

Location of Airag tenements (yellow) and Ulaan Nuur tenement (red)

October 2007 Ulaan Nuur Cross Section

Ulaan Nuur
East Asia minerals Corporation announced on May 3, 2007 it acquired the Ulaan Nuur uranium tenement (License 10081X) which is contiguous with the Airag project. Under the terms of the agreement, EAS will acquire 100% of the 1,508 hectare tenement for a one time payment of USD 60,000. Ulaan Nuur hosts a partially defined, potentially significant deposit of stratiform sandstone hosted uranium mineralisation.

Limited historical drilling was conducted at Ulaan Nuur during the Soviet era, resulting in the definition of at least nine shallow dipping, stratiform bodies of uranium mineralisation ranging in thickness from 0.1 to 3.5 metres and grading between 0.03 and 0.184% uranium. The mineralisation was traced for 600 to 800 metres along strike and up to 400 metres down dip, and was not closed off. The Soviets calculated a projected resource (P2 category) of 10,000 tonnes (22 million pounds) of contained uranium for the Ulaan Nuur deposit (L.D. Chirpov and G.G. Illin, 1973, Report No. 2410, "Report on the prospecting-estimation works in the eastern part of Mongolia"). The Soviet data indicates an average grade of 0.049% uranium, representing a deposit of approximately 20 million tonnes.

The historic Ulaan Nuur data also provides EAS with evidence that the Project contains a potential ISL (in situ leach) environment. The data reports that the "lower productive horizon" is hosted entirely within uniformly shallow dipping and permeable sandstone, between an overlying clay horizon and an unconformably underlying conglomerate, which in turn overlies Proterozoic granite gneiss.

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This page was created on Fri Jun 8, 2012 at 6:16:53 PM Pacific Time.

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