Mesa Uranium Corp.
TSX VENTURE : MSA

Mesa Uranium Corp.

March 17, 2010 16:01 ET

Mesa Uranium Expands the Green Energy Lithium Project

VANCOUVER, BRITISH COLUMBIA--(Marketwire - March 17, 2010) - Mesa Uranium Corp. (TSX VENTURE:MSA) ("Mesa" or "Company") announces the addition of new claims extending over a potentially high grade brine target at the Green Energy lithium project in Utah. 1,740 acres of new claims have been staked bringing the total acreage under Mesa control to 7,850, or approximately 12 square miles. The project is wholly owned by Mesa.

The new claims overlay a syncline, or structural trough, thought to contain higher concentrations of brine exceeding the previously acquired portion of the project located on an anticline, or structural dome. A petroleum engineering report from 1966 suggested the syncline would host a higher concentration of minerals through hydrodynamic drive (gravity and water pressure). Historic oil exploration wells focused on the anticline, known traps for oil and gas reservoirs, no holes were drilled into the syncline. This report went on to suggest a minimum brine reservoir of 15 million barrels with upside in the hundreds of millions of barrels.

Lithium occurs at the project with values as high as 1,700 ppm lithium (0.9% Li2CO3) in saturated brine. In addition to the lithium the brine grades as high as 7.9% potash, 18.7% magnesium chloride, 13% salt, 6,100 ppm bromine and 1,260 ppm boron.

The brine, 40% minerals and 60% water, was discovered in the 1960s when oil exploration wells unexpectedly encountered high-pressure brine blow-outs upon drilling into Bed #31 of the Paradox Formation. Bed #31 is approximately 6,000 feet deep and consists of 30 feet of shale, anhydrite and dolomite; the bed is not part of any oil reservoir.

Drilling Program

Permit applications for exploration drilling will be submitted to the Bureau of Land Management in March with drilling expected to occur upon receipt. A work program is being developed to obtain modern brine samples for chemical analysis and baseline/preliminary metallurgical testing for mineral extraction. Engineering characteristics of the brine formation will also be tested to establish pressure, temperature, artesian characteristics, precipitation characteristics, drawdown, and potential size of the aquifer.

While the Company has no reason to doubt the accuracy of the historical results, the data should not be relied upon until confirmed by the Company's own exploration that meet NI 43-101 standards for disclosure. Historical results and the work that generated them predate the enactment of National Instrument 43-101 and accordingly may not meet the requirements of that policy. There are no 43-101 mineral reserves or mineral resources on the Green Energy lithium project.

About Mesa Uranium

Mesa explores and develops mineral properties focused in the western United States. For further information please visit our website at www.mesauranium.com.

ON BEHALF OF THE BOARD

MESA URANIUM CORP.

Foster Wilson, President and CEO

This news release includes certain statements that may be deemed "forward-looking statements". All statements in this release, other than statements of historical facts, including the likelihood of commercial mining and possible future financings are forward-looking statements. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in the forward-looking statements. Factors that could cause actual results to differ materially from those in forward-looking statements include unsuccessful exploration results, changes in metals prices, changes in the availability of funding for mineral exploration, unanticipated changes in key management personnel and general economic conditions. Mining is an inherently risky business. Accordingly the actual events may differ materially from those projected in the forward-looking statements. For more information on the Company and the risks and challenges of its business, investors should review the Company's annual filings that are available at www.sedar.com.

The TSX Venture Exchange has neither approved nor disapproved of the contents of this news release.

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