Xtierra Reports a New High Grade Silver Zone at Bilbao
01 April 2011 - 10:00PM
Marketwired
Xtierra Inc. (TSX VENTURE: XAG) ("Xtierra" or the "Company"), is
pleased to report the discovery of a new high grade silver zone at
its Bilbao project in central Zacatecas, Mexico.
Drill-hole CG-4, undertaken as part of the geotechnical portion
of a feasibility study for the proposed open-pit at Bilbao,
encountered economically significant silver values in a newly
identified brecciated fault zone. The new target occurs
stratigraphically above the high grade silver targets subject to
investigation by the drilling program previously announced (March
2, 2011) and occurs towards the south-eastern extremity of the
proposed open-pit.
The new silver mineralization occurs in a brecciated,
manganiferous limestone at least 5.70metresin thickness (core
length which is considered to be more or less a true width), from a
depth of 120.00m to 125.70m, with an average grade of 247g/t
silver. This same horizon has also been identified in drill-hole
X-85, previously drilled by Xtierra within the main Bilbao
resource, on the projected down dip extension to the zone. The
table below shows the mineralization intersected in drill-hole
CG4.
----------------------------------------------------------------------------
From To Interval Silver Gold Lead Zinc Copper
(m) (m) (m) g/t ppb % % %
----------------------------------------------------------------------------
120.00 125.70 5.70 247.05 6.49 0.33 0.26 0.01
----------------------------------------------------------------------------
217.35 220.90 3.55 11.51 6.48 0.50 0.44 0.05
----------------------------------------------------------------------------
Drill-hole CG4 occurs in a previously untested area of the
project, 100m to the east of drill hole X-85 and 50m south of drill
hole X-41, indicating continuity of mineralization in the
south-eastern sector of the deposit and which is likely to add to
the currently defined mineral resource.
The new diamond drilling program investigating the high grade
silver zone previously encountered along the western margin of the
Bilbao deposit extending over a strike length of at least 300
metres will also investigate this new silver-rich zone which is
located approximately 180 metres to the south-southeast. In
addition, drilling will be undertaken on several geophysical
targets and on a new silver-lead geochemical anomaly target at the
Ardillas prospect located 1.5km to the north-east of Bilbao.
Commenting on the results, Xtierra's President and CEO, Terence
McKillen said, "The discovery of this new silver-rich zone to the
southeast of the proposed Bilbao open pit is an important
development and one which could positively impact the Bilbao
resource estimate. Results of the current drill program following
up on this and the western zone of high grade silver will be
awaited with interest."
Analytical Method
Samples from half-core were prepared at the Stewart Group
laboratory in Zacatecas and initially analyzed for 38 element
content using ICP-MS (inductively coupled plasma - mass
spectrometry) by the Stewart Group (Eco-Tech Laboratory) in
Kamloops, British Columbia. Values exceeding the limits of
detection are automatically re-analyzed by Fire Assay or Atomic
absorption spectrometry (AAS) methods respectively. Standards and
blanks were used regularly for quality control.
Qualified Person
Information of a scientific or technical nature contained in
this release has been prepared by or under the supervision of
Terence N. McKillen, P.Geo., Chief Executive Officer and Dr.
Anthony C. Gallon, C.Eng., Chief Geologist, both 'qualified
persons' within the meaning of National Instrument 43-101 -
Standards of Disclosure for Mineral Projects of the Canadian
Securities Administrators.
About Xtierra Inc.
Xtierra Inc. is a Toronto based exploration and development
company listed on the TSX Venture Exchange under the symbol "XAG".
There are 100,619,448 shares issued and outstanding. The Company is
conducting a feasibility study on its Bilbao
silver-zinc-lead-copper project in Zacatecas, Mexico. Xtierra's
objective is to become a mid-tier producer of precious and base
metals through the development of its Bilbao project as well as
through exploration, organic growth and M & A
opportunities.
For further information visit www.xtierra.ca.
Neither the 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 the
accuracy of this release.
Contacts: Xtierra Inc. Terence McKillen President & Chief
Executive +1 (416) 362-8243 Xtierra Inc. Tim Gallagher Director +1
(416) 925-0090 Xtierra Inc. Alejandro Alaniz Director Finance &
Administration (Mexico) +52 (492) 925-0804 www.xtierra.ca
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