Oroco Advances Cerro Prieto Gold Project To Production Decision


June 1, 2010

VANCOUVER, British Columbia – (June 1, 2010) Oroco Resource Corp. (TSX-V: OCO) (“Oroco” or “the Company”) is pleased to provide an update on the work being conducted in support of a near-term production decision on its 100% owned Cerro Prieto oxide gold project in Sonora, Mexico.

In just over two years since its IPO in March of 2008, Oroco has advanced the Cerro Prieto project through two phases of drilling resulting in a 98% Measured and Indicated gold and silver resource with excellent potential for future production.  Phase One metallurgical testing was completed in May of 2009, demonstrating high gold recoveries.  Phase Two metallurgical testing, designed to optimize metallurgical recoveries for production planning purposes, has been ongoing since September of 2009 and the primary data collection from this phase of testing is expected to be completed by June 1, 2010.  Mine planning and a Preliminary Economic Assessment (Scoping Study) have been underway since September of 2009 and the Company anticipates completion of the Assessment before the end of June, 2010.  In addition, Oroco has also completed a dry season baseline environmental study which concluded there are no environmental impediments to obtaining government approval for production.

2009-2010 Cerro Prieto highlights:

  
Speaking on the progress to date at Cerro Prieto, Company President Craig Dalziel stated:
“During 2009 and early 2010, Oroco significantly advanced Cerro Prieto with a second successful drill program, the commencement of detailed metallurgical and engineering studies, and the completion of an initial environmental study. Oroco has been able to justify its decision to prioritize production over further exploration through the validation of the considered advantages of the Cerro Prieto project, including the presence of nearby infrastructure, favourable geology in the form of a near-surface resource, and a topographical setting conducive to the rapid development of a producing gold mine.

Our mission for 2010 is to demonstrate that the Cerro Prieto project is capable of becoming a stand-alone gold producer with near-term production certainty. We expect Oroco’s shareholders to be the beneficiaries of a resulting increase in the project valuation as the market better recognizes the significance of our progress at Cerro Prieto and the additional exploration potential that this property continues to hold.”

About Oroco

Oroco is a Canadian-based mineral exploration company with its primary focus on the accelerated development of the gold-bearing oxide zones of its Cerro Prieto project in northern Sonora State, Mexico.  The Cerro Prieto Project consists of the 100% owned San Felix, San Francisco and Cerro Prieto concessions, totalling 2,723 ha, and 4,120 ha of the connecting Argonauta 5 Fraccion 1 concession to which the Company holds an option to purchase a 100% interest.

For further information, please contact: 
Mr. Craig Dalziel, President and CEO
Oroco Resource Corp. 

Tel: 604-688-6200

www.orocoresourcecorp.com
Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

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These historical resource estimate models are based upon historical resource estimates prepared by John Thornton in 2011. While, in the opinion of Dane A. Bridge, author of the revised NI 43-101 standard technical report, Geology, Mineralization and Exploration of the Santo Tomas Cu-(Mo-Au-Ag) Porphyry Deposit, Sinaloa, Mexico dated April 21, 2020 (the “Report”), reliable estimation practices were used, in order to upgrade or verify the historical estimations, resampling and assay of historical drill samples, twinning of historical drill holes, and a new program of regularly spaced drilling is required. No qualified person has undertaken sufficient work to classify the current mineral resources or mineral reserves upon which these models are based and the Company is not treating the estimates as current estimates of the mineral resources. The Company gives no assurance that either these models or the historical resource estimates upon which they are based are accurate, and does not undertake any obligation to update the models or to release publicly any update or revisions of the resource estimates except as required by applicable securities law. The reader is cautioned not to rely upon these models or the historical resource estimates upon which they are based.

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