Outcrop Silver & Gold Corporation (TSX-V: OCG) (OTCQX: OCGSF) (DE: MRG) provides an update on exploration drilling at the Jimenez vein target in its 100% owned Santa Ana high-grade primary silver project. Drilling at Jimenez has returned some of the widest intercepts in the current campaign and unveiled the potential for additional parallel veins carrying high-grade (Figure 2). Outcrop Silver continues drilling with two rigs, one at the Jimenez vein and the second one at La Ye vein, and is well advanced in the execution plan to start drilling at Los Mangos target.
Drilling Highlights
“Overall, these results confirm high-grade silver and gold mineralization at Jimenez, with several veins showing significant exploration potential based on their width. The intercepts highlight both narrow high-grade zones and broader zones of mineralization, contributing to the resource expansion potential in this vein system,” comments Guillermo Hernandez, Vice President of Exploration. “The consistency of wider veins at Jimenez, as expected based on our geological observations, makes us address this target as a dilational zone with some minor narrow high-grade veins striking East-West.”
The Jimenez target is comprised of parallel and subparallel veins (Figure 1), forming a structurally controlled and complex vein system that extends nearly 500 metres along strike. The historical workings, including colonial-era adits, indicate long-term mining activity along the Jimenez vein system The mineralization is hosted within quartz veins and is associated with sulfides, including argentite (silver sulfide), which is typical of the high-grade ore shoots found throughout the Santa Ana project.
Target | Hole ID | From (m) |
To (m) |
Interval (m) |
Estimated True Width (m) |
Au g/t | Ag g/t | AgEq g/t | Vein |
Jimenez | DH393 | 92.27 | 92.57 | 0.30 | 0.29 | 0.99 | 81 | 155 | Vein |
DH396 | 110.42 | 110.72 | 0.30 | 0.23 | 2.37 | 266 | 444 | Vein | |
DH396 | 224.14 | 224.47 | 0.33 | 0.21 | 1.23 | 19 | 111 | Jimenez | |
DH398 | 150.42 | 151.03 | 0.61 | 0.41 | 0.43 | 89 | 121 | Jimenez North | |
DH398 | 179.52 | 180.34 | 0.82 | 0.55 | 0.67 | 90 | 141 | Vein | |
Including | 179.52 | 179.88 | 0.36 | 0.24 | 1.24 | 163 | 256 | ||
DH398 | 204.60 | 205.58 | 0.98 | 0.52 | 0.15 | 79 | 91 | Jimenez | |
DH401 | 170.44 | 180.66 | 2.04 | 1.30 | 0.30 | 122 | 145 | Jimenez North | |
Including | 180.36 | 180.66 | 0.30 | 0.19 | 1.28 | 692 | 789 | ||
DH401 | 226.20 | 226.50 | 0.30 | 0.15 | 3.24 | 821 | 1,064 | Vein | |
DH401 | 278.10 | 281.68 | 3.58 | 2.09 | 0.22 | 115 | 131 | Jimenez | |
Including | 281.36 | 281.68 | 0.32 | 0.19 | 1.55 | 1,171 | 1,288 | ||
DH403 | 196.16 | 196.46 | 0.30 | 0.16 | 1.17 | 543 | 630 | Jimenez North | |
DH403 | 228.75 | 229.95 | 1.20 | 0.68 | 0.35 | 220 | 246 | Jimenez | |
Table 1. Drill hole assay results reported in this release. Silver equivalent (AgEq) was calculated using the prices, recovery and grades of each element using the formula given in the silver equivalent note |
The drill program at the Jimenez target is focused on testing both the depth and lateral extensions of the vein, with the objective of expanding the resource potential. Confirmed high-grade zones and continuity of mineralization at depth strengthen the case for resource expansion, particularly given the vein’s width. Promising results from the Jimenez North vein, which runs parallel to the Jimenez vein, highlight the potential for wider and high-grade vein intercepts.
Sample | Easting (m) |
Northing (m) |
Elevation (m) |
Sample Type |
Width (m) |
Au g/t | Ag g/t | AgEq g/t | Release Date |
15450 | 504144.20 | 561684.34 | 797.32 | UG Channel | 0.30 | 6.22 | 2,436 | 2,903 | May 9, 2022 |
15472 | 504238.88 | 561692.22 | 815.57 | UG Channel | 0.50 | 4.51 | 851 | 1,189 | May 9, 2022 |
15474 | 504254.61 | 561703.24 | 827.98 | UG Channel | 0.60 | 3.36 | 867 | 1,119 | May 9, 2022 |
15476 | 504346.95 | 561774.79 | 890.52 | UG Channel | 0.25 | 1.17 | 291 | 379 | January 3, 2023 |
15478 | 504444.00 | 561713.00 | 929.50 | Chip | 1.22 | 294 | 385 | July 5, 2022 | |
16113 | 504164.51 | 561645.05 | 796.04 | Channel | 0.20 | 2.06 | 643 | 798 | January 3, 2023 |
16114 | 504167.96 | 561647.93 | 791.06 | Channel | 0.55 | 1.39 | 320 | 425 | January 3, 2023 |
16724 | 504101.67 | 561621.71 | 901.55 | Channel | 0.30 | 6.36 | 1,449 | 1,926 | Current Release |
16726 | 504101.79 | 561619.02 | 899.00 | Channel | 0.60 | 1.94 | 324 | 470 | Current Release |
16727 | 504087.00 | 561604.00 | 888.00 | Channel | 0.70 | 2.47 | 618 | 804 | Current Release |
17352 | 504405.09 | 561833.03 | 919.13 | UG Channel | 0.90 | 1.35 | 675 | 777 | September 11, 2024 |
17360 | 504459.62 | 561901.32 | 976.00 | Channel | 0.40 | 2.67 | 229 | 430 | September 11, 2024 |
17364 | 504396.34 | 561823.42 | 919.13 | UG Channel | 0.45 | 1.48 | 350 | 462 | September 11, 2024 |
17366 | 504398.48 | 561825.97 | 919.13 | UG Channel | 0.50 | 2.28 | 768 | 939 | September 11, 2024 |
17373 | 504464.00 | 561860.98 | 969.00 | Channel | 0.45 | 3.93 | 384 | 679 | September 11, 2024 |
Table 2. Channel and Chip sample results in the Jimenez target from the Target Generation program previously reported and referred to in Figure 1 (see News Releases dated May 9, 2022, July 05, 2022, January 03, 2023 and September 11, 2024). Silver equivalent (AgEq) was calculated using the prices, recovery and grades of each element using the formula given in the silver equivalent note.
|
Hole ID | Easting (m) |
Northing (m) |
Elevation (m) |
Hole Depth (m) |
Azimuth (°) |
Dip (°) |
Drill Hole Code |
DH382 | 504525.146 | 562060.844 | 1000.301 | 140.20 | 136 | -45 | SAGU24DH382 |
DH384 | 504523.853 | 562060.777 | 1001.020 | 190.19 | 179 | -61 | SAGU24DH384 |
DH387 | 504449.408 | 561932.800 | 982.022 | 108.50 | 78 | -45 | SAGU24DH387 |
DH389 | 504448.107 | 561931.265 | 982.102 | 149.04 | 139 | -80 | SAGU24DH389 |
DH391 | 504448.088 | 561931.288 | 982.089 | 240.48 | 139 | -87 | SAJIM24DH391 |
DH393 | 504308.823 | 561922.145 | 990.049 | 300.16 | 130 | -55 | SAJIM24DH393 |
DH396 | 504309.224 | 561922.818 | 990.370 | 274.01 | 106 | -60 | SAJIM24DH396 |
DH398 | 504270.119 | 561853.885 | 942.758 | 285.26 | 154 | -69 | SAJIM24DH398 |
DH401 | 504268.771 | 561853.660 | 942.951 | 320.49 | 192 | -62 | SAJIM24DH401 |
DH403 | 504270.455 | 561854.316 | 942.902 | 317.29 | 116 | -76 | SAJIM24DH403 |
Table 3. Collar and survey table for drill holes reported and referred to in this release. All coordinates are UTM system, Zone 18N, and WGS84 projection. |
Silver equivalent
Metal prices used for equivalent calculations were US$1,800/oz for gold, and US$25/oz for silver. The equivalency formula as follows:
Metallurgical recoveries based on Outcrop Silver’s Metallurgical test work are 97% for gold and 93% for silver (see NR from August 23, 2023).
QA/QC
For exploration core drilling, Outcrop Silver applied its standard protocols for sampling and assay. HQ-NTW core is sawn with one-half shipped. Core samples were sent to either ALS, Actlabs or SGS in Medellin, Colombia, for preparation. Samples delivered to Actlabs were AA assayed on Au, Ag, Pb, and Zn at Medellin using 1A2Au, 1A3Au, Multi-elements AR (Ag Cu Pb Zn), and Code 8 methods.
Then, samples were sent to Actlabs Mexico for ICP-multi-elemental analysis with code 1E3. After preparation, the samples sent to ALS Colombia were shipped to ALS Lima for assaying using Au-ICP21, Au-GRA21, ME-MS41, Ag-GRA21, Ag-AA46, Pb-AA46, and Zn-AA46 methods. In line with QA/QC best practices, blanks, duplicates, and certified reference materials are inserted at approximately three control samples every twenty samples into the sample stream, monitoring laboratory performance. A comparison of control samples and their standard deviations indicates acceptable accuracy of the assays and no detectible contamination. No material QA/QC issues have been identified with respect to sample collection, security and assaying. The samples are analyzed for gold and silver using a standard fire assay on a 30-gram sample with a gravimetric finish for over-limits. Multi-element geochemistry was determined by ICP-MS using either aqua regia or four acid digestions. Crush rejects, pulps, and the remaining core are stored in a secured facility at Santa Ana for future assay verification.
Qualified Person
Edwin Naranjo Sierra is the designated Qualified Person within the meaning of the National Instrument 43-101 and has reviewed and verified the technical information in this news release. Mr. Naranjo holds a MSc. in Earth Sciences, and is a Fellow of the Australasian Institute of Mining and Metallurgy (FAusIMM) and the Society of Economic Geologists.
About Santa Ana
The 100% owned Santa Ana project covers 27,000 hectares within the Mariquita District, through titles and applications, known as the largest and highest-grade primary silver district in Colombia with mining records dating back to 1585.
Santa Ana’s maiden resource estimate, detailed in the NI 43-101 Technical Report titled “Santa Ana Property Mineral Resource Estimate,” dated June 8, 2023, prepared by AMC Mining Consultants, indicates an estimated indicated resource of 24.2 million ounces silver equivalent at a grade of 614 grams per tonne and an inferred resource of 13.5 million ounces at a grade of 435 grams per tonne. The identified resources span seven major vein systems that include multiple parallel veins and ore shoots: Santa Ana (San Antonio, Roberto Tovar, San Juan shoots); La Porfia (La Ivana); El Dorado (El Dorado, La Abeja shoots); Paraiso (Megapozo); Las Maras; Los Naranjos, and La Isabela.
The 2024 drilling campaign aims to extend known mineralization and test new high-potential areas along the permitted section of the project’s extensive 30 kilometres of mineralized trend. This year’s exploration strategy aims to demonstrate a clear pathway to substantially expand the resource. These efforts underscore the scalability of Santa Ana and its potential for substantial resource growth, positioning the project to develop into a high-grade, economically viable, and environmentally responsible silver mine.
About Outcrop Silver
Outcrop Silver is a leading explorer and developer focused on advancing its flagship Santa Ana high-grade silver project in Colombia. Leveraging a disciplined and seasoned team of professionals with decades of experience in the region. Outcrop Silver is dedicated to expanding current mineral resources through strategic exploration initiatives.
At the core of our operations is a commitment to responsible mining practices and community engagement, underscoring our approach to sustainable development. Our expertise in navigating complex geological and market conditions enables us to consistently identify and capitalize on opportunities to enhance shareholder value. With a deep understanding of the Colombian mining landscape and a track record of successful exploration, Outcrop Silver is poised to transform the Santa Ana project into a significant silver producer, contributing positively to the local economy and setting new standards in the mining industry.
Figure 1. Plan view of the Jimenez vein system showing the drill holes reported in this release (Table 1), drilling and channel samples previously reported and reported in this release (Table 2). Silver equivalent (AgEq) was calculated using the prices, recovery and grades of each element using the formula given in the silver equivalent note. (CNW Group/Outcrop Silver & Gold Corporation)
Figure 2. Geological cross-section showing the Jimenez vein target and non-outcropping veins. Silver equivalent (AgEq) was calculated using the prices, recovery and grades of each element using the formula given in the silver equivalent note (CNW Group/Outcrop Silver & Gold Corporation)
Equivalency Formula (CNW Group/Outcrop Silver & Gold Corporation)
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