Marifil Mines Ltd.

Marifil Mines Ltd.
ATW Venture Corp.

ATW Venture Corp.

December 04, 2006 08:15 ET

ATW Venture Corp. & Marifil Mines Sign "LOI" for Amarillo Copper-Gold Project

SPOKANE, WASHINGTON--(CCNMatthews - Dec. 4, 2006) - MARIFIL MINES LTD. (TSX VENTURE:MFM) ("Marifil") and ATW Venture Corp (TSX VENTURE:ATW) ("ATW") are pleased to announce the signing of a Letter of Intent ("LOI") to joint venture into Marifil's wholly-owned Amarillo property located in the San Juan province, Argentina.

The LOI calls for ATW to make a non-refundable payment to Marifil of US$57,500 for a due diligence period on the property. Terms of the JV will be finalized upon ATW completing a positive property review.

Marifil's Amarillo copper-gold project is located within the Veladero - El Indio gold belt in the Andes mountains of northwestern Argentina. This gold belt is host to a number of large precious metal deposits including Barrick Gold Corporation's Veladero (12.6 million ounces of gold) and Pascua Llama (18.3 million ounces of gold) deposits (figures quoted are from Barrick's 2005 proven and probable reserve statement.)

The Amarillo property covers over 50 square kilometres of intensely altered sedimentary, volcanic and intrusive rocks that represent the upper levels of two or more large hydrothermal systems.

Previous exploration carried out on the property returned many significant gold anomalies from trenching over a 6 sq km area.

This press release has been reviewed and approved by John Hite, President of Marifil Mines Ltd. under whose direction the exploration program is being carried out, and by Brent Butler, ATW Venture Corporation's senior geologist. Both Mr. Hite and Mr. Butler are Qualified Persons as defined by National Instrument 43-101.

For further information regarding Marifil Mines Ltd., please refer to the Company's filings on SEDAR ( or at Marifil's Website (

To find out more about ATW Venture Corp., please visit out website at

The TSX Venture Exchange does not accept responsibility for the adequacy or accuracy of this release.

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