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Oklo to commence development of its large phosphate project in Mali
Thursday , 15 Oct 2009

http://www.mineweb.net/mineweb/view/mineweb/en/page674?oid=90810&sn=Detail

Highlights:

Oklo plans to commence a development programme at its Tatteul Phosphate Project in north east Mali;

Oklo will undertake a broad mapping, pitting and sampling programme at Tatteul and begin work in the NW portion of the project where phosphate beds outcrop over a 640km2 area;

The conceptual project target of the Tatteul Phosphate Project ranges between 50Mt and 500Mt rock phosphate – this is based on published geological data (refer to definition below). This tonnage range does not constitute a resource estimate;

The flat lying exposed phosphate beds comprise phosphatic shale and bone beds that have grades between 10% and 34% P2O5;

Between the late 1970’s and the early 1990’s rock phosphate, known as Tilemsi PR, was mined at Tamaguillelt at a grade of 27-28% P2O5;

In medium and long term productivity trials conducted on the yield rates of Tilemsi PR, it was concluded that “Tilemsi PR is practically equivalent to TSP (Triple phosphate Fertiliser) per unit of P2O5”.

Australian based phosphate and uranium exploration company Oklo Uranium Limited (ASX: OKU) has completed a review of its Tatteul Project in north east Mali, West Africa. The review focussed on establishing a conceptual target tonnage range, as well as assessing possible commercial developmental strategies.

In August and September last year Oklo reported to the ASX the acquisition of a large phosphate project in Mali. The Tatteul Project hosts approximately 185 kilometres of contiguous outcrop of phosphate-bearing shale. In the north-west part of the project alone, the phosphate beds cover an area of 640km2. The phosphate occurrence in the region is reasonably well-known. Grades, thicknesses and lateral continuity from previous exploration and mining activities were accessed and reported in previous ASX announcements.

Preliminary Market Research Results
A review of previous phosphate mining activity conducted in the north east of Mali and quality of the rock phosphate (“PR”) was undertaken by Oklo in an attempt to understand likely markets and scale of development opportunity. The results have proven extremely positive.