Sienna Reports 5.45 Meters (m) at 6.7 Grams Per Tonne Gold (g/t) and 187.3 g/t Silver Within 15.3 m Grading 2.7 g/t Gold and ...
02 5월 2012 - 10:00PM
Marketwired Canada
Sienna Gold Inc. ("Sienna" or the "Company") (TSX VENTURE:SGP) (LMA:SGP) is
pleased to announce the latest results from the new drill holes and surface
sampling at Callanquitas, on the Igor project, La Libertad, Peru. The four holes
totalled 1063.4 meters (m) while 88 surface samples are also reported.
Drill Hole Results
The best results are from Hole CA-12-34. This gave 5.45 m at 6.7 grams/tonne
(g/t) gold and 187.3 g/t silver within a longer interval of 15.3 m at 2.7 g/t
gold and 76.7 g/t silver. This hole also gave the highest grade sample from this
batch: 1.75 m at 12.3 g/t gold and 530.0 g/t silver.
Drill holes CA-12-33 and CA-12-35 also returned excellent results: 7.7 m at 2.5
g/t gold and 60.7 g/t silver and 4.7 m at 5.0 g/t gold and 26.3 g/t silver
respectively. Full results are given in the table below.
Drill holes CA-12-33, 34 and 35 are from the oblique section NO4200 that
contains drill hole CA-11-06, drilled in the 2010-2012 campaign. This section is
shown below. Further maps and cross sections are available on the Sienna Gold
website.
To view a map of collars and drill hole traces and section NW4200, click the
following link: http://media3.marketwire.com/docs/sgp_map1.jpg
Surface Sampling
Surface sampling and mapping continued in 2012, with 88 samples collected from
trenches and workings along the Callanquitas Structure. Of these, 38 contained
0.5 g/t or more gold whilst 28 were equal to, or greater than, 1 g/t gold. 8
samples contained more than 31 g/t silver.
The most significant samples are:
------------------------------------
Sample No Gold g/t Silver g/t
------------------------------------
I237874 11.2 242
------------------------------------
I237902 5.1 1.6
------------------------------------
I237934 4.6 7.6
------------------------------------
I237883 4.3 79.1
------------------------------------
I237886 4.0 126
------------------------------------
Maps showing the results of this sampling are available on the Sienna Gold website.
The Callanquitas Structure
Dr. Warren Pratt, consulting geologist and director of Sienna Gold, comments,
"Once again we are very pleased with these results. Every drill hole hits the
structure where predicted and gold and silver mineralization is present
consistently.
Results from Section NW4200 are particularly interesting: 1) it lies a full
350-400 m south of the high grade zone mentioned in previous releases (4600N);
2) they indicate that mineralization is open to the south, where there is very
little drilling; 3) they again show vertical continuity (greater than 300 m), 4)
Hole CA-12-33 is the deepest intercept to date, cutting the structure at 2970 m
elevation; 5) mineralization is again open at depth.
The new surface samples show high grade samples along the entire length of the
Callanquitas Structure. This sampling is particularly useful for planning
step-out drilling later this year."
Assay results for drill holes CA-12-32 to CA-12-35 (and the best intercept from
CA-11-06 issued in press release dated 19 April 2011).
----------------------------------------------------------------------------
Drill Hole From To Interval Weighted Averages
----------------------------------------------------------------------------
(m) (m) (m) Gold (g/t) Ag (g/t)
----------------------------------------------------------------------------
----------------------------------------------------------------------------
CA-11-06 142 183.3 41.3 1.2 16.9
----------------------------------------------------------------------------
Including 159.2 170.5 11.3 3.9 45.5
----------------------------------------------------------------------------
----------------------------------------------------------------------------
CA-12-32 101.5 145 43.5 0.6 17.6
----------------------------------------------------------------------------
including 105.9 109.2 3.3 2.9 161.3
----------------------------------------------------------------------------
including 114.9 116.2 1.3 1.4 18.3
----------------------------------------------------------------------------
including 141.7 143.3 1.6 2.9 2.9
----------------------------------------------------------------------------
----------------------------------------------------------------------------
CA-12-33 317.1 341.1 24 1.0 21.0
----------------------------------------------------------------------------
including 327.3 335 7.7 2.5 60.7
----------------------------------------------------------------------------
including 327.3 328.9 1.6 6.3 292.9
----------------------------------------------------------------------------
----------------------------------------------------------------------------
CA-12-34 265.7 281 15.3 2.7 76.7
----------------------------------------------------------------------------
including 273 278.45 5.45 6.7 187.3
----------------------------------------------------------------------------
including 275.25 277 1.75 12.3 530.0
----------------------------------------------------------------------------
CA-12-34 315 317 2 1.8 1.1
----------------------------------------------------------------------------
----------------------------------------------------------------------------
CA-12-35 113.4 125.7 12.3 2.1 12.5
----------------------------------------------------------------------------
including 118.7 123.4 4.7 5.0 26.3
----------------------------------------------------------------------------
1. It should be noted that these are all angled holes and down hole intervals do
not necessarily reflect the true width of the mineralized structure.
2. Weighted averages were calculated for continuously mineralized intervals
using a bottom cut on 0.1 - 0.2 g/t gold, no top cut and minimum internal waste.
A full list of drill holes and significant intercepts is available on the
website: www.siennagold.com.
Exploration Update
Two rigs continue on site: one large tracked rig and a man portable rig. A total
of 8900 m has been drilled to date, as part of the current campaign of
10,000-12,000 m for Callanquitas and 3,000 m for Domo and Tesoros.
A new NI 43-101 resource calculation is planned for late 2012.
Sampling Methodology
Cores taken from the diamond drill rig are stored in plastic core boxes and
transported to the camp for detailed logging. Afterwards, the core is cut on
site with a diamond saw.
One half is then sent to an accredited laboratory in various sample lengths.
Randy Henkle (PGeol), the Company's independent Qualified Person, completed a
chain of custody review to ensure the integrity of all sample data.
Assaying Methodology
The samples are analysed by SGS Laboratories in Lima by inductively coupled
plasma atomic emission spectroscopy for silver and 37 other elements (included
Hg and Te) and a 30 gram fire assay technique for gold. Samples above detection
limits are re-assayed using a gravimetric fire assay. The specific lab
procedures can be found in the Company's 43-101 report on the Igor property.
This press release was reviewed and approved by Dr. Warren Pratt (CGeol) who is
a "Qualified Person" according to National Instrument 43-101.
Sienna Gold Inc. is a gold exploration company with property interests in Peru.
Its key prospect is the Igor Mine Project, a formerly producing mine that the
Corporation plans to explore further.
If you wish any further information, please feel free to contact John Rucci at
any of the contact points noted above.
John M. Rucci, President
Statements in this press release regarding the Company's business which are not
historical facts are "forward-looking statements" that involve risks and
uncertainties, such as estimates and statements that describe the Company's
future plans, objectives or goals, including words to the effect that the
Company or management expects a stated condition or result to occur. Since
forward-looking statements address future events and conditions, by their very
nature, they involve inherent risks and uncertainties. Actual results in each
case could differ materially from those currently anticipated in such
statements.
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