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Chakana Copper Releases Results of Infill Drilling at Breccia Pipe 5 and Provides Exploration Update, Intersects 140.4 Metres With 0.46% Copper, 1.70 G/T Gold and 23.5 G/T Silver (1.77% Cu_EQ, 2.71 G/T Au_EQ) From 13 Metres

 

 

 

 

 

Chakana Copper Corp. (TSX-V: PERU) (OTC: CHKKF) (FWB: 1ZX), is pleased to announce it has completed infill drilling on the upper 340m mineralized extent of Breccia Pipe 5 (Bx 5) at the Soledad copper-gold-silver project in central Peru. All drilling to date has been on the portion of the Soledad Project optioned from Condor Resources Inc. The four holes reported here were designed to explore the upper 200m extent of the breccia pipe from surface (Figs. 1 and 2). Chakana had previously released thirteen drill holes from Bx 5 (see news releases dated February 22, 2018 and November 13, 2018 on www.sedar.com), that included a 264m intercept with 0.71% Cu, 1.30 g/t Au and 24.3 g/t Ag (1.77% Cu_EQ; 2.82 g/t Au_EQ) from surface in hole SDH18-080.

 

All four holes intersected significant intervals of mineralization. Hole SDH18-084 was drilled to the south from a collar located on the east-central part of the breccia pipe and intersected 103.3m of mineralized breccia from surface with 0.42% Cu, 1.36 g/t Au, and 46.7 g/t Ag. Excluding the oxide zone, primary grades are 0.56% Cu, 1.07 g/t Au, and 31.4 g/t Ag for 72.3m starting at 31m depth. Hole SDH18-086 intersected 140.4m of primary mineralization from 13m with 0.46% Cu, 1.70 g/t Au, and 23.5 g/t Ag. “These results compliment results from the previous thirteen holes in Bx 5 and demonstrate good continuity of mineralization in the breccia. As with Bx 1, mineralization at Bx 5 remains open at depth. In addition, numerous known breccia pipes and exploration targets remain to be tested,” said President and CEO David Kelley. Examples of mineralized breccias from holes in this release are shown in Figure 3.

 

Previously unreported mineralized intervals from Breccia Pipe 5 are:

 

Bx 5 – Infill Holes
DDH # Az Dip From – To
(m)
Core
Length (m)
Au
g/t
Ag
g/t
Cu % Cu-eq
%*
Au-
eq
g/t*
Note 
SDH18-083 61 -79 0.00 38.60 38.60 1.24 19.2 0.07 1.04 1.60 Oxide
and     57.00 59.50 2.50 0.54 72.0 0.31 1.28 1.96 Primary
and     83.00 112.00 29.00 1.35 18.5 0.24 1.28 1.96 Primary
SDH18-084 185 -70 0.00 103.30 103.30 1.36 46.7 0.42 1.71 2.61  
including     0.00 31.00 31.00 2.01 82.3 0.11 2.13 3.25 Oxide
including     31.00 103.30 72.30 1.07 31.4 0.56 1.53 2.34 Primary
SDH18-085 255 -68 0.00 98.00 98.00 0.73 35.0 0.34 1.12 1.71  
including     0.00 42.00 42.00 0.94 53.7 0.03 1.1 1.69 Oxide
including     42.00 98.00 56.00 0.57 21.0 0.57 1.12 1.72 Primary
SDH18-086 300 -82 0.00 153.40 153.40 1.68 25.2 0.42 1.73 2.65  
including     0.00 13.00 13.00 1.42 44.4 0.03 1.34 2.05 Oxide
including     13.00 153.40 140.40 1.70 23.5 0.46 1.77 2.71 Primary

 

* Cu_eq and Au_eq values were calculated using copper, gold, and silver. Metal prices utilized for the calculations are Cu – US$2.90/lb, Au – US$1,300/oz, and Ag – US$17/oz. No adjustments were made for recovery as the project is an early stage exploration project and metallurgical data to allow for estimation of recoveries are not yet available. The formulas utilized to calculate equivalent values are Cu_eq (%) = Cu% + (Au g/t * 0.6556) + (Ag g/t * 0.00857) and Au_eq (g/t) = Au g/t + (Cu% * 1.5296) + (Ag g/t * 0.01307).

 

Reported mineralized intervals are not true widths given the vertical nature of the breccia pipe and the steep inclination of the holes.

 

Surface Exploration and Permitting Update

 

Surface exploration continues throughout Chakana’s 3,085 hectare concession area. Detailed soil sampling covering the entire Soledad cluster of breccia pipes has been completed and downhole electromagnetic (EM) and surface surveys are underway. Two downhole EM surveys as well as 7 out of a planned 17 surface loops have been completed using imported Crone geophysical equipment. Integration of these data sets will be used to prioritize drill targets.

 

Soil geochemistry results covering the entire Soledad cluster of breccia pipes have been received and further document the extent of mineralization hosted in breccia (Fig. 4). Results previously released (see news release dated November 13, 2018) highlighted an anomalous zone of gold in soil corresponding to several known and potential breccia pipes extending north-northeast from Huancarama to Bx 5. In addition, a very prominent soil anomaly related to Bx 1, and a new breccia pipe, Bx 7, are clearly delineated in the results. New results from extensions of the original soil grid show anomalous gold in soil at the Western and Corral breccias, north of Bx 5, and Cima Blanca. Cima Blanca is an area of silica-illite-paragonite-tourmaline alteration hosted in dacite tuff associated with east-west-trending gold-bearing quartz veins (Fig. 4). “The expanded soil geochemistry results delineate a more complete picture of the additional mineralization at Soledad. In addition to confirming the gold-bearing nature of several known breccias, several areas with anomalous gold in soil highlight other exploration targets for testing. The large anomalous area covering the Western and Corral breccias is particularly exciting, highlighting new targets in this area,” stated Kelley.

 

Three component surface time domain EM data was collected over Bx 1 and Bx 7 using transmitter loops designed to preferentially couple with conductive sulfides hosted within known or blind breccia pipes. Data was collected within the transmitter loop along north south oriented lines every 25m with line density of 50m. Results for the vertical component of the measured field for a relatively early time window detected responses from confined conductors that correlate well with known breccias (Fig. 5). “The time domain EM results are outstanding in that this technique confirms a robust response from Bx 1 where we have had excellent high-grade drill results. The response at the untested Bx 7 pipe is even more impressive in comparison to the Bx 1 response,” commented Kelley.

 

As previously reported, Chakana received government approval for a Semi-detailed Environmental Impact Assessment (EIAsd) covering a portion of the Soledad project (see news release dated November 26, 2018). The approval applies to the original area of the Declaration of Environmental Impact (DIA) on the Soledad exploration permit and includes 120 additional drilling platforms. In order to drill in the new concessions acquired by Chakana, a modification to this permit is required. This modification has been submitted and once approved will allow drilling the Huancarama and Paloma breccia pipes and concession area.      

 

Sampling and Analytical Procedures

 

Chakana follows rigorous sampling and analytical protocols that meet or exceed industry standards. Core samples are stored in a secured area until transport in batches to the ALS facility in Callao, Lima, Peru. Sample batches include certified reference materials, blank, and duplicate samples that are then processed under the control of ALS. All samples are analyzed using the ME-MS41 (ICP technique that provides a comprehensive multi-element overview of the rock geochemistry), while gold is analyzed by AA24 and GRA22 when values exceed 10 g/t. Over limit silver, copper, lead and zinc are analyzed using the OG-46 procedure. Soil samples are analyzed by 4-acid (ME-MS61) and for gold by Fire Assay on a 30g sample (Au-ICP21).

 

Results of the previous sixty-six drill holes from the Soledad Project have been released and are also available at www.chakanacopper.com. Additional information concerning the Project is available in a technical report prepared in accordance with National Instrument 43-101 made available on Chakana’s SEDAR profile on www.sedar.com.

 

Qualified Person

 

David Kelley, an officer and a director of Chakana, and a Qualified Person as defined by NI 43-101, reviewed and approved the technical information in this news release.

 

Posted January 10, 2019

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