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MONTREAL,
Nov. 7, 2011 /PRNewswire/ - Colt
Resources Inc. ("Colt" or the "Company") (TSXV: GTP) (FRA: P01)
(OTCQX: COLTF) is pleased to announce details of an initial
resource estimate for its 100% owned Tabuaço (São Pedro das Águias)
tungsten project, located in the Company's wholly owned
Armamar‐Meda concession in northern Portugal. The resources have been
estimated by SRK Consulting (UK) Ltd ("SRKUK") and SRK Exploration
Services Ltd ("SRKES"). This has been reported in accordance
with the guidelines set out by the Canadian Institute of Mining,
Metallurgy and Petroleum (CIM) and detailed in the National
Instrument 43-101.
Resource Estimate Highlights
- Indicated resources total 760,000 tonnes with an average grade
of 0.58% WO3.
- Inferred resources total 1,330,000 tonnes with an average grade
of 0.57% WO3.
- The mineralization, hosted in shallowly dipping skarn units,
remains open for expansion in several directions. Four drills
are operating at the project at present to expand current resources
and identify new mineralized areas.
"We are very encouraged by this initial
estimate that has been focused on a portion of a larger zone of
mineralization that remains open. The high grade nature of
the mineralization confirms Tabuaço to be one of the highest grade,
undeveloped tungsten deposits in Europe. We have an outstanding team on
site and we fully intend to build upon this robust foundation in
the months ahead", said Nikolas
Perrault, President and CEO.
Perrault went on to say, "We recently announced the
acquisition of the surface rights (see Press release August
24th, 2011) at Tabuaço. Colt will now focus on
delivering a Preliminary Economic Assessment during the first half
of 2012 which will include an updated resource estimate".
Tabuaço Resource Estimate
SRKUK and SRKES were supplied raw drilling data
by Colt Resources, which have been collated by SRKES into the
drillhole database,
"Tabuaço-SPA_complete_drill-database_20111011". This
database has formed the basis of the geological and grade estimates
presented here. All geological modelling was undertaken in Gemcom
mining software ("GEMS"). In addition, SRUK have
undertaken grade modelling and estimation using Isatis
geostatistical software ("ISATIS").
The following Table (Table 1) summarises the
in-situ Mineral Resource, stated at a 0.3% WO3 cut-off
grade, within the defined mineralisation models. In total,
two domains were estimated, namely the upper and lower skarn units.
Classification of the Mineral Resource is based on quality control
data, geological continuity and borehole spacing. The estimate is
considered to have reasonable prospects for eventual economic
extraction, as it is constrained by a cut-off grade derived from
reasonable underground mining and processing costs.
The estimated Mineral Resources for the Tabuaço
project are as follows:
- Indicated Mineral Resources of 760 kt at a mean grade of
0.58% WO3, which is the equivalent of 4,400 t of
contained WO3; and
- Inferred Mineral Resources of 1,330 kt at a mean grade of
0.57% WO3, which is the equivalent of 7,600 t of
contained WO3
|
Classification |
Tonnage |
Grade |
Contained Metal |
Contained Metal |
Contained Metal |
|
kt |
WO3% |
t WO3 |
lb WO3 |
MTU WO3 |
Indicated Mineral Resources |
760 |
0.58 |
4,400 |
9,700,000 |
440,000 |
Inferred Mineral Resources |
1,330 |
0.57 |
7,600 |
16,700,000 |
760,000 |
Table 1 SRK UK - Tabuaço Project
Resource Estimation |
In summary, the processes and parameters used to derive the
Mineral Resource Statement are as follows:
- A cut off grade of 0.3% WO3 has been used to
constrain the Mineral Resource estimate;
- This cut-off grade is based on a WO3 price of
US$300/mtu, an underground mining
cost of US$30/t and a processing cost
of US$22/t, as supplied by SRK
Denver, and agreed by Colt Resources;
- This resource model has been wireframed using GEMS. Grade
interpolation was undertaken using Ordinary Kriging, with block
model dimensions of 50m in the X direction, 50m in the Y direction
and 10m in the Z direction. This is consistent with the drill
spacing across the project area. No rotation parameters were
applied to the block models.
- Variography and grade estimation were undertaken in
ISATIS. Search ellipsoids were derived through the
application of quantitative Kriging neighbourhood analysis
("QKNA"), and two search passes were used to estimate the block
model; and
- The mapped fault running through the Tabuaço Project was used
to limit the classification of the Mineral Resource.
All samples used for this estimate were sent by
courier to OMAC Laboratories Ltd, Galway, Ireland or to ALS Laboratory Group,
Seville, Spain. Samples were
analyzed for W and Sn using a metaborate fusion followed by XRF
analysis. Assay results for tungsten were reported by the
laboratory as W%. WO3 values were calculated using a
conversion factor of 1.2611.
A set of standards, duplicates and blanks is
inserted by Colt into the sample stream on a regular basis in
addition to the laboratory's own internal QA/QC standards and
duplicates. QA/QC results to date are well within the accepted
norm.
Tabuaço Next Steps
- Drilling during the remainder of 2011 and during 2012, will
continue at an aggressive pace, focusing on extending known
mineralization and testing peripheral targets surrounding Tabuaço
as well as evaluating other projects in the region within Colts
100% controlled exploration concession.
- Environmental impact studies will continue so as to optimize
the mining and processing facilities and minimize their
environmental impact.
- Geotechnical drilling will be performed to test ground
conditions along potential underground access routes.
- Bulk samples will be collected so as to allow more detailed
metallurgical testwork to improve recoveries and assist in
designing optimal processing methods.
- A Preliminary Economic Assessment and updated resource estimate
for Tabuaço is scheduled to be prepared during the first half of
2012.
SRKES, with input from SRKUK and SRK Denver for
specific sections, will be the authors of a NI 43-101 compliant
Technical Report on the Mineral Resource Estimate for the Tabuaço
Project, to be filed within 45 days of this news release.
Additional input will be provided by Filipe
Faria and Geolog. SRKES, SRKUK and SRK Denver are
independent of Colt Resources as defined by NI 43-101.
About Colt Resources Inc.
Colt Resources Inc. is a Canadian junior
exploration company engaged in acquiring, exploring, and developing
mineral properties with an emphasis on gold and tungsten. It is
currently focused on advanced stage exploration projects in
Portugal, where it is the second
largest lease holder of mineral concessions.
SRK ES Director - Gareth O'Donovan CEng MSc BA
(Hons) FIMMM FGS, is the independent qualified person, as defined
in NI 43‐101, for Colt's projects in Portugal. Mr. O'Donovan has
reviewed the content of this press release, and consents to the
information provided in the form and context in which it
appears.
The Company's shares trade on the TSX‐V, symbol:
GTP; the Frankfurt Stock Exchange,
symbol: P01; and, the OTCQX, symbol: COLTF.
FORWARD-LOOKING STATEMENTS: Certain of the
information contained in this news release may contain
"forward-looking information". Forward-looking information and
statements may include, among others, statements regarding the
future plans, costs, objectives or performance of Colt Resources
Inc. (the "Company"), or the assumptions underlying any of the
foregoing. In this news release, words such as "may", "would",
"could", "will", "likely", "believe", "expect", "anticipate",
"intend", "plan", "estimate" and similar words and the negative
form thereof are used to identify forward-looking statements.
Forward-looking statements should not be read as guarantees of
future performance or results, and will not necessarily be accurate
indications of whether, or the times at or by which, such future
performance will be achieved. Forward-looking statements and
information are based on information available at the time and/or
management's good-faith belief with respect to future events and
are subject to known or unknown risks, uncertainties, assumptions
and other unpredictable factors, many of which are beyond the
Company's control. These risks, uncertainties and assumptions
include, but are not limited to, those described under "Risk
Factors" in the Company's revised annual information form dated
April 20, 2011 available on SEDAR
at www.sedar.com and could cause actual events or
results to differ materially from those projected in any
forward-looking statements. The Company does not intend, nor does
the Company undertake any obligation, to update or revise any
forward-looking information or statements contained in this news
release to reflect subsequent information, events or circumstances
or otherwise, except if required by applicable laws.
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 accuracy of this release.
SOURCE COLT RESOURCES INC.
PDF with caption: "Table 2 - Tabuaço model showing the
classified mineralized zone (pink solid) and the modelled
mineralised zones (blue and green solids).". PDF available at:
http://stream1.newswire.ca/media/2011/11/07/20111107_C3229_DOC_EN_6206.pdf