Marimaca Mining Corp (MARIF)

[MasterT]

Coro announces officIal date for san jorge project public hearing





September 27 2010, Coro Mining Corp. ("Coro" or the "Company") (TSX Symbol:
COP) is pleased to confirm that the Provincial Government of Mendoza has
officially announced that the Public Hearing to consider the Company's San
Jorge project Environmental Impact Study ("EIS") will be held on October
26th 2010 in Uspallata, the nearest town to the project, at 9.00 am local
time in the Uspallata facilities of National Highway Administration. The
Public Hearing is 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 pleased that the
official date for the Public Hearing has been published and look forward to
presenting San Jorge to the people of Mendoza on October 26th."



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 20.0% interest) in
Valley High, which holds the Cordero property in Mexico.
(www.valleyhighventures.com <http://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]