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San Marco Intercepts Shallow Gold at Buck Property; 91 Metres of 0.80 g/t AuEq Within 156 Metres of 0.63 g/t AuEq and 81 Metres of 0.78 g/t AuEq Within 200.7 Metres of 0.51 g/t AuEq

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San Marco Intercepts Shallow Gold at Buck Property; 91 Metres of 0.80 g/t AuEq Within 156 Metres of 0.63 g/t AuEq and 81 Metres of 0.78 g/t AuEq Within 200.7 Metres of 0.51 g/t AuEq

 

 

 

 

 

San Marco Resources Inc. (TSX-V: SMN) is pleased to announce it has intersected wide zones of continuous gold mineralization from its recently completed Phase 1 drill program at its 100% optioned gold/silver/zinc Buck property in north-central B.C.

 

Highlights of the Phase 1 drill program include:

 

  • 91 metres of 0.80 g/t AuEq (gold equivalent, gold and silver only) within 156 metres of 0.63 g/t AuEq, including 33 metres of 1.01 g/t AuEq.
  • 81 metres of 0.78 g/t AuEq within 200.7 metres of 0.51 g/t AuEq, including 44 metres of 1.01 g/t AuEq.
  • 2.15 metres of 6.3 g/t Au and 10.0 g/t Ag, including 0.3 metres of 20.7 g/t Au and 48.9 g/t Ag (within 4 metres of the bottom of BK20-002).
  • Mineralization is hosted in highly clay altered, faulted and fractured, brecciated volcanic tuffs, as wide disseminated zones and high-grade veins.[*]
  • Very consistent gold and silver grades intersected at shallow depths, some of which are projected to surface.

 

San Marco’s Executive Director, Bob Willis, states “We are very encouraged to see significant intervals of continuous gold mineralization at Buck, which confirms our preliminary findings that this is a large, near-surface gold/silver exploration opportunity. We intend to aggressively ramp up exploration efforts, with our ‘boots on the ground’ exploration team arriving on site in about three weeks. Our drill program gave us the first opportunity to see fresh core we could log and tie to gold mineralization, and to help target the best host rocks, alteration, and structural setting for gold deposition. We will use this new information to target drilling for Phase 2 and to prioritize numerous attractive, but previously poorly understood, target areas at Buck.”

 

The 1,806 metre drill program was centered in an area of historically explored mineralization and consisted of a total of five holes, where three holes were drilled in an area of known mineralization near surface. An additional two short holes were collared 350 metres to the northwest in an attempt to locate a previously postulated mineralized fault zone. Drill hole locations for the Phase 1 drill program can be seen in Figure 1 and were previously announced on April 8, 2020.

 

The primary objective of the Phase 1 campaign was to get fresh drill core to identify styles of mineralization and detailed analysis of subtle mineralizing controls that could then be applied project-wide. This has been successful, and these observations will be a key component in the design of the Phase 2 drill program.

 

Significant shallow drill intersections of gold and silver has shown the robust nature of mineralization, with most of the gold mineralization hosted as disseminations in the host rock, and as high-grade veins, commonly associated with sphalerite and pyrite (see Photo 1). Most of the mineralized system has been classified as felsic lapilli tuffs (volcanic rocks), with various degrees of brecciation. Rocks that are highly faulted and clay-altered have the most elevated gold values. Schematic cross sections can be seen in Figure 2 and Figure 3.

 

Near-Term Focus

 

San Marco’s plans for the next phase of exploration include:

 

  • Continue to compile and analyse drill results and review drill core with assays in hand
  • Mobilize a field crew to the property in about three weeks
  • Commence exploration activities to include detailed mapping and sampling, and prospecting new areas radiating out from current drill location
  • Re-interpret historical geophysical data to be used to assist in new drill target generation
  • Complete initial 3-D geological model after all drill core interpretation and field work is complete
  • Generate Phase 2 drill program

 

Significant intercepts for the Phase 1 drill program at Buck can be found below.

 

Hole From (m) To (m) Width* (m) AuEq (g/t) ** Au (g/t) Ag (g/t) Zn (pct)
BK20-001 29.35 30.35 1 1.93 1.87 6.1 0.5%
and 60.00 62.00 2 1.09 1.06 2.7 0.1%
and 76.50 80.00 3.5 0.54 0.53 1.0 0.1%
and 102.30 303.00 200.7 0.51 0.48 3.7 0.2%
including 120.00 136.00 16 0.56 0.52 4.0 0.2%
and including 123.00 127.45 4.45 0.73 0.68 4.9 0.1%
and including 124.35 125.00 0.65 1.84 1.77 7.6 0.2%
including 153.80 281.00 127.2 0.62 0.58 4.1 0.2%
and including 157.45 238.00 81 0.78 0.73 4.9 0.2%
and including 192.00 236.00 44 1.01 0.96 5.1 0.2%
and including 192.00 202.00 10 1.07 1.00 7.6 0.2%
and including 210.00 212.00 2 1.18 1.13 5.1 0.2%
and including 224.00 234.00 10 1.69 1.65 4.8 0.4%
and including 224.00 228.88 4.88 2.62 2.54 8.3 0.6%
and 343.75 345.00 1.25 0.64 0.61 2.7 0.1%
               
BK20-002 50.25 56.00 5.75 0.48 0.47 1.8 0.1%
including 50.25 50.60 0.35 2.08 1.93 16.1 1.0%
and 90.20 90.50 0.3 2.43 2.19 25.2 1.0%
and 101.00 257.10 156.1 0.63 0.59 4.3 0.5%
including 111.00 202.00 91 0.80 0.75 5.6 0.5%
and including 111.00 113.00 2 4.19 4.08 11.2 1.2%
and including 132.00 142.00 10 1.01 0.95 6.3 0.2%
and including 146.00 147.50 1.5 1.56 1.50 6.2 0.5%
and including 152.10 153.60 1.5 1.66 1.62 4.5 1.2%
and including 169.00 202.00 33 1.01 0.94 7.4 0.7%
and including 169.00 175.20 6.2 1.05 0.98 6.7 1.1%
and including 169.00 171.00 2 1.55 1.49 6.3 1.0%
and including 173.00 175.20 2.2 1.08 1.00 8.6 1.7%
and including 181.00 202.00 21 1.09 1.02 8.0 0.7%
including 245.20 257.10 11.9 0.88 0.84 3.9 0.9%
and including 248.40 252.00 3.6 2.04 1.99 5.5 1.4%
and 325.00 329.00 4 1.39 1.29 11.1 0.4%
and 335.90 337.00 1.1 5.69 5.55 14.9 0.0%
and 414.50 415.00 0.5 6.21 5.75 49.3 0.2%
and 424.65 426.80 2.15 6.40 6.30 10.0 0.0%
including 426.50 426.80 0.3 21.16 20.70 48.9 0.0%
               
BK20-003 84.40 85.00 0.6 1.62 1.48 14.9 2.0%
and 134.35 135.60 1.25 1.70 1.56 14.6 1.5%
including 134.35 134.65 0.3 5.75 5.37 40.4 3.6%
               
BK20-004 101.50 103.00 1.5 0.54 0.52 2.9 0.1%
including 101.50 101.80 0.3 1.47 1.42 5.0 0.2%
and 186.00 188.00 2 0.72 0.70 1.6 0.1%
and 211.10 221.20 10.1 0.49 0.42 7.1 0.5%
including 211.10 212.25 1.15 1.41 1.28 14.2 1.4%
including 220.85 221.20 0.35 2.74 2.61 14.0 2.7%
and 272.00 274.00 2 3.10 3.06 4.5 0.3%
               
BK20-005 165.80 188.80 23 0.63 0.32 33.2 0.4%
including 165.80 172.10 6.3 1.08 0.46 65.4 0.5%
including 188.50 188.80 0.3 1.30 0.64 70.4 1.0%
and 208.20 208.50 0.3 1.10 1.01 9.6 2.3%
and 214.00 304.50 90.5 0.35 0.30 5.1 0.4%
including 226.00 230.00 4 0.78 0.66 13.6 0.2%
including 252.00 304.50 52.5 0.39 0.33 6.1 0.5%
and including 262.00 281.00 19 0.51 0.41 10.9 0.6%
and including 302.50 304.50 2 0.66 0.64 1.9 0.0%
and 324.00 326.00 2 0.61 0.58 3.2 0.3%
and 348.00 350.00 2 0.61 0.54 7.4 0.1%
and 418.00 420.00 2 1.09 1.00 9.1 0.1%

 

  • * Widths are drill core length. Insufficient drilling has been undertaken to determine true widths at this time.
  • Average grades are weighted by width and calculated with uncapped gold assays.
  • Average widths are calculated using a 0.2 g/t gold equivalent cut-off grade with less than five continuous metres of internal dilution below cut-off grade.
  • ** Gold equivalent (AuEq) values were calculated using a gold price of US$ 1,600 per ounce and a silver price of US$ 15 per ounce. Gold equivalent values were calculated using the following formula: AuEq = (Au g/t) + (Ag g/t) x (15/1600).
  • Gold equivalent assumes 100% recoveries.

 

Quality Assurance

 

All sample assay results have been monitored through a quality assurance / quality control program. Industry best practices were used for defining a QA/QC program where 5% of the sampling stream was controlled by industry recognized certified reference material (CRM’s) and blanks. When necessary, additional QA/QC in the form of 5% of pulp and coarse reject duplicates were selected for laboratory verification. The drill core was logged in detail by geologists utilizing a logging approach designed by senior technical managers. Logging and sampling was completed at a secure facility in Smithers, B.C. by Coast Mountain Geological Ltd. (CMG). Drill core was sawn in half on site and half drill-core samples were securely transported to the ALS Global prep facility in Terrace, B.C. The samples were dried, crushed to 70% (< 2 mm), split to 250g, and pulverised to 85% (<75 µm). Sample pulps were sent to the ALS Global lab in North Vancouver, B.C., for analysis. Gold analysis was by 30g Fire Assay with AA finish and automatically re-analysed with Gravimetric finish if Au >5 g/t. Some samples underwent ore grade analysis using the Four Acid method. In addition, pulps underwent Multi-Element Analysis by ICP-AES. ALS Global is registered to ISO/IEC 17025:2017 accreditations for laboratory procedures.

 

Links to Figures

 

Figure 1:


http://sanmarcocorp.com/wp-content/uploads/2020/05/Buck_Drilling_Imagery_May2020_NR_sxns.jpg

 

Figure 2:


http://sanmarcocorp.com/wp-content/uploads/2020/05/Simplified_CrossSection_May2020_SectionA-scaled.jpg

 

Figure 3:


http://sanmarcocorp.com/wp-content/uploads/2020/05/Simplified_CrossSection_May2020_SectionB-scaled.jpg

 

Photo 1:


http://sanmarcocorp.com/wp-content/uploads/2020/05/Buck_CorePhotos.pdf

 

About San Marco

 

San Marco is a Canadian mineral exploration company actively pursuing world class gold, silver, zinc and copper projects with a focus in mining friendly jurisdictions in both British Columbia, Canada and Mexico.

 

The Company’s principal focus and asset is the recently optioned Buck Property in north-central British Columbia that has large tonnage gold-silver-zinc potential in a mining-friendly region that includes many former and current operating mines. In addition, the Company’s portfolio includes the several prospective, early stage exploration properties in Mexico.

 

San Marco is committed to environmental and social responsibility with a focus on responsible development to generate positive outcomes for all stakeholders.

 

Posted May 12, 2020

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