[Marinir] {Disarmed} Calvista (TSX: CVZ): Mineralized gold zones defined by Calvista Phase I drilling program

Tue Mar 20 16:12:23 CET 2012

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http://www.calvistagold.com/ 

Mineralized gold zones defined by Calvista Phase I drilling program 

Calvista Gold Corporation (TSX: CVZ 

http://www.stockwatch.com/Quote/Detail.aspx?action=go&symbol=CVZ&region=C&lookup=symbol&snapshot=default 

) is pleased to announce selected drill hole results from the recently 
completed Phase I exploration drilling program at its Buenavista and 
Callejon Blanco prospects which indicate two new mineralized gold zones 
in the highly prospective California Valley of Colombia. 

The Phase I drilling program at our California Project was completed in 
January 2012 and consisted of 15,054.43 metres of diamond core drilling 
over 38 holes in total. Of this program, 2,328.10 metres (5 holes) were 
drilled at the Buenavista prospect, and 12,726.33 metres (33 holes) were 
drilled at the Callejon Blanco prospect. 

The Company's Chief Executive Officer, Mr. Mark Haywood, stated that 
"the results of the Phase I drill program show that continuity of gold 
mineralization on two of our California zones now extends our strike to 
at least 650 and 300 metres, respectively. Calvista is excited that the 
resource estimation currently in progress on these mineralized zones may 
result in a significant initial gold resource in the coming month." 

The location of select drill holes are provided in the attached Table 1 

http://www.infostockbiz.com/20120125_CVZ_tables.pdf 

, with our best gold intersections as follows: 

Drill hole DDH-03 3.05 metres @ 36.19 g/t gold 

Drill hole DDH-05 344.42 metres @ 1.11 g/t gold 

Drill hole DDH-11 9.80 metres @ 14.89 g/t gold 

Drill hole DDH-12B 12.19 metres @ 3.82 g/t gold and 6.40 metres @ 18.67 
g/t gold 

Drill hole DDH-21 23.06 metres @ 18.78 g/t gold 

Drill hole DDH-27 16.77 metres @ 9.85 g/t gold and 9.15 metres @ 10.06 
g/t gold 

Drill hole DDH-33 32.00 metres @ 2.48 g/t gold 

Drill hole DDH-35 6.10 metres @ 9.86 g/t gold 

Drill hole DDH-36 13.71 metres @ 5.93 g/t gold 

Drill hole DDH-37 15.24 metres @ 2.07 g/t gold 

Our exploration activities on the Callejon Blanco prospect have now 
connected previously unknown mineralized structures with the adjacent 
mineralized zones which were defined by Galway Resources (See Figure 1 
below). Primarily as a result of the Phase I drill program, we have 
identified a new mineralized gold zone with a strike distance of 
approximately 700 metres commencing near surface and open at depth. 

At our nearby Buenavista prospect (See Figure 1 below) exploration 
activities have also discovered a mineralized gold zone of approximately 
300 metres in strike distance. This zone of mineralization is adjacent 
to the Aserradero mineralized zone which has been defined by AUX Canada 
Acquisition Inc. (formerly Ventana Gold Corp.), and confirms that gold 
mineralization is present parallel to the well defined La Mascota gold 
zones. 

A mineral resource estimate incorporating all of our exploration results 
to date for the Callejon Blanco and Buenavista zones is being prepared 
under NI 43-101 guidelines by our independent expert, James Steel 
(P.Geo., MBA) of GENIVAR. The resource estimate, as advised in previous 
press releases, is on track and due for completion shortly. 

Drill hole intersections are reported as drilled thicknesses. True width 
thicknesses of mineralized intervals are interpreted to be between 50 
and 100% of the reported lengths. A table with all assay results over 1 
gram per tonne gold (DDH-01 to DDH-38) is available at 
www.calvistagold.com 

http://www.calvistagold.com 

A Phase II drilling plan is also being prepared for activities to 
commence within the month. 

Figure 1. 

The Company also wishes to thank Mr. Edgar Castellanos, who as of early 
last month is no longer ad-honorem advisor to Calvista. 

Quality Assurance 

Calvista has developed and implemented Quality Assurance/Quality Control 
protocols that exceeds current industry best practices. Calvista's 
exploration protocol includes the insertion of blanks, duplicates, 
standards and external controls on all their samples. Samples with assay 
results greater than 10 g/t Au are re-assayed by metallic screen 
analysis. Sample preparation is conducted by SGS Colombia S.A ("SGS") in 
Medellin, Colombia before being analyzed at the SGS certified assay 
laboratory in Lima, Peru. 

Technical Information 

Mr. Ricardo Valls, P. Geo., Calvista's VP Exploration, is the Company's 
designated Qualified Person for this news release within the meaning of 
National Instrument 43-101 Standards of Disclosure for Mineral Projects 
("NI 43-101") and has reviewed and validated that the technical 
information contained in the release is accurate. 

About Calvista 

Calvista is a mineral exploration company focused on the acquisition, 
exploration and development of properties for the mining of gold and 
other minerals. All our prospects in the California Valley are located 
below 3,200 meters and are not affected by the Paramo ecosystem law. 
With a head office in Toronto and Colombian headquarters in Bucaramanga, 
Calvista is led by a management team with over 50 years of exploration 
and mining experience, principally in South and Central America. For 
further details on Calvista, please refer to Calvista's web site ( 
www.calvistagold.com 

http://www.calvistagold.com 

) and Calvista's Canadian regulatory filings on SEDAR at www.sedar.com. 

For further information please contact: 

Ruben Shiffman Executive Chairman 

Mark Haywood President & CEO 

Donald Christie CFO and Corporate Secretary 

Gary Anstey Investor Relations/Business Development 

Corporate office Suite 1500, 4 King West, Toronto, Ontario, Canada M5H 
1B6 

Telephone +1 416 504 4199 

Email info at calvistagold.com 

Web www.calvistagold.com 

http://www.calvistagold.com 

CAUTIONARY STATEMENT: This news release contains forward-looking 
information which is not comprised of historical facts. Forward-looking 
information involves risks, uncertainties and other factors that could 
cause actual events, results, performance, prospects and opportunities 
to differ materially from those expressed or implied by such 
forward-looking information. Forward looking information in this news 
release includes, but is not limited to, Calvista's objectives, goals or 
future plans, statements regarding exploration results, exploration 
plans and the timing of a potential resource estimate. Factors that 
could cause actual results to differ materially from such 
forward-looking information include, but are not limited to, 
uncertainties inherent to preparing a resource estimate within expected 
timeline, capital and operating costs varying significantly from 
estimates, the preliminary nature of metallurgical test results, delays 
in obtaining or failures to obtain required governmental, environmental 
or other project approvals, political risks, uncertainties relating to 
the availability and costs of financing needed in the future, changes in 
equity markets, inflation, changes in exchange rates, fluctuations in 
commodity prices, delays in the development of projects and the other 
risks involved in the mineral exploration and development industry, 
enhanced risks inherent to conducting business in a jurisdiction such as 
Colombia, and those risks set out in Calvista's public documents filed 
on SEDAR. Although Calvista believes that the assumptions and factors 
used in preparing the forward-looking information in this news release 
are reasonable, undue reliance should not be placed on such information, 
which only applies as of the date of this news release, and no assurance 
can be given that such events will occur in the disclosed time frames or 
at all. Calvista disclaims any intention or obligation to update or 
revise any forward-looking information, whether as a result of new 
information, future events or otherwise, other than as required by law. 

For more information about this service, please see: 
www.infostockbiz.com 

http://www.infostockbiz.com 

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