Marimaca Mining Corp (MARIF)

[MasterT]

October 28, 2010, Coro Mining Corp. ("Coro" or the "Company") (TSX Symbol:
COP) is pleased to announce that the Public Hearing to consider the
Company's San Jorge project Environmental Impact Study ("EIS") was held on
October 26th 2010 in Uspallata, the nearest town to the project. The Public
Hearing was the final step in the consultation process prior to the EIS
being submitted to the Provincial Government for approval, and if approved,
presented to the Provincial House of Deputies and Senate for ratification.



Alan Stephens, President and CEO of Coro commented, "We are very pleased
that the Public Hearing has been completed on schedule. It was attended by
more than 2000 individuals and gave the people of Mendoza, and particularly
the residents of Uspallata, the opportunity to express their views about the
development of San Jorge. It was held in an atmosphere of complete calm,
civility and with mutual respect given to opposing opinions.



We would like to express our sincere appreciation to the Provincial
Government for the exemplary manner in which the Hearing was organized and
conducted. Having now completed all of the steps required of it under the
EIS approval process, the Company looks forward to the Government's
decision."



Coro is fully committed to developing San Jorge in such a way that no water
resources would be affected by contamination, as required by local and
national laws and regulations, and by international best practices. The
Company, through its subsidiary, Minera San Jorge, continues to follow a
policy of complete transparency and frankness, and has stressed the economic
and employment benefits of the project to Argentina, as well as a commitment
to exacting industry standards in environmental management, and has invited
citizen participation in the environmental monitoring of the operation. The
Company has demonstrated its commitment to water conservation through the
proposed use of paste tailings, which minimises water usage through
recycling. It has committed to train as many local residents as possible for
employment in the future operations at San Jorge.










CORO MINING CORP.



"Alan Stephens"

Alan Stephens

President and CEO





About San Jorge:

The San Jorge copper-gold project is located in Mendoza, Argentina. The
Company completed an independent Preliminary Economic Assessment ("PEA"), in
April 2008 which contemplated production of 39,500 tonnes of copper per
annum and 39,000 ounces of gold per annum over a 16 year mine life. The
deposit remains open to the west and at depth and using a $2.00 per pound
copper and $600 per ounce gold price returned an after tax NPV of $220
million, with capital expenditures of $277 million.



Alan Stephens FIMMM, President and CEO of Coro, a geologist with more than
33 years of industry experience is the Qualified Person for Coro who has
reviewed and approved the contents of this News Release. In respect of the
PEA, it should be noted that mineral resources that are not mineral reserves
do not have demonstrated economic viability.



About Coro Mining Corp.:

The Company was founded with the goal of building a mining company focused
on medium-sized base and precious metals deposits in Latin America. The
Company intends to achieve this through the exploration for, and acquisition
of, projects that can be developed and placed into production. Coro's
properties include the advanced San Jorge copper-gold project, in Argentina,
and the Chacay, Llancahue and Celeste copper exploration properties located
in Chile. The Company also holds 9,140,353 shares (a 15.3% interest) in
Valley High, which holds the Cordero property in Mexico. (
<http://www.valleyhighventures.com/>; www.valleyhighventures.com).



For further information please visit the Company's website at
<http://www.coromining.com>; www.coromining.com or contact Michael Philpot,
Executive Vice-President at [phone] or [e-mail]





This news release includes certain "forward-looking statements" under
applicable Canadian securities legislation. Such forward-looking statements
or information, including but not limited to those with respect to the
prices of copper, estimated future production, estimated costs of future
production, permitting time lines, involve known and unknown risks,
uncertainties, and other factors which may cause the actual results,
performance or achievements of the Company to be materially different from
any future results, performance or achievements expressed or implied by such
forward-looking statements or information. Such factors include, among
others, the actual prices of copper, the factual results of current
exploration, development and mining activities, changes in project
parameters as plans continue to be evaluated, as well as those factors
disclosed in the Company's documents filed from time to time with the
securities regulators in the Provinces of British Columbia, Alberta,
Saskatchewan, Manitoba, Ontario, New Brunswick, Nova Scotia, Prince Edward
Island and Newfoundland and Labrador.