Vancouver, British Columbia--(Newsfile Corp. - May 20, 2020) -Outcrop Gold Corp. (TSXV: OCG) ("Outcrop") is pleased to provide an update on exploration and current drilling in progress at the Santa Ana high-grade silver-gold project located in Colombia.
"It is very encouraging to see significant amounts of coarse vein-boulders on soil lines where veins were projected between workings. Whereas previously the El Dorado vein zone had been only projected - it is now clearly mappable where soil lines consistently encounter the mineralized vein-boulders", comments Joseph Hebert, Chief Executive Officer. "And our first four holes at depth in La Ivana have all intercepted mineralization similar to that encountered in the phase one shallow drilling."
The initial objective of current drilling in progress is to define the La Ivana discovery to a depth of 300 metres to build a model of bodies of high-grade mineralization within the vein that can be used to advance other targets on the property and also grossly estimate potential in approximately 14 km of projected vein zones on the project.
Four new drill-holes have been completed and the fifth is in progress for a total of 503 metres of drilling. There are significant intervals of quartz-sulfide veins with sulfide-rich halos in the first four holes. Epithermal textures are expressed as colloform, banded quartz and breccias. Massive sulfides are common within vein intervals. Assays are expected over the coming weeks and will be released as they are received. Representative vein intervals are shown in photo 1 and photo 2 below:
Figure 1: SALPDH-14 Sulfide-rich section of 0.8m composite of vein plus strongly mineralized sheeted veinlet halo.
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Figure 2: SALPDH-16 1.0-meter vein with massive sulfide (pyrite-sphalerite-galena) in center with closed spaced carbonate- quartz veinlets plus 2% pyrite in hanging wall contact.
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After the La Ivana high-grade zone is delineated to depth, drilling will move successively to nine prioritized targets - the first being the El Dorado vein system. Drilling resumed on May 5th, 2020 and will continue into the first quarter of 2021 providing continuous news flow. This program will include approximately 120 planned core holes for a total of 13,000 metres.
The vein system consists of north-northeast trending veins, linked by northwest trending veins. Detailed soil sampling and trenching is expected to reveal the general limits of ore-shoots to guide drilling.
Approximately 2.5 linear kilometers soil lines totaling 239 samples and 27 metres of manual trenches of observed vein zones in saprolite have been completed. Mapping concurrent with soil sampling in the El Dorado has demonstrated that the trace or projection of veins will often be revealed by abundant in-situ or near in-situ vein boulders. In the case of the El Dorado vein boulders can be traced through several seventy-five metre spaced lines. These boulders show sulfide or sulfide oxidation that will be sampled and will also be used to site trenching to map and sample sub-cropping veins. Preliminary trenching in the Megapozo target shows vein and veinlets zones that composite up to 1.5 metres wide. Near in-situ vein boulders are shown in photos three and four below.
Figure 3: Near in-situ vein boulders mapped along soil lines reveal surface expression of previously unmapped veins.
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Figure 4: Near in-situ vein boulders mapped along soil lines reveal surface expression of previously unmapped veins.
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Map 1: Nine primary target zones on Santa Ana illustrated (planned soils in blue and green, completed soils in orange). El Dorado, Megapozo and Roberto Tovar will be next areas of exploration drilling.
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About Santa Ana Project
The Santa Ana project comprises 3,538 ha located in the Municipality of Falan, Tolima Department, Colombia, approximately 15 km southeast of the of the town of Mariquita, and 190 km from Bogota, Colombia's capital city. The Santa Ana project covers a significant part of the Mariquita District where mining records date to at least 1585. The Mariquita District is the highest-grade primary silver district in Colombia. Under colonial Spanish era control of the mines, silver grades were reported to be among the highest in Latin America with the fourteen mines of Santa Ana producing average smelter returns of 4,300 g Ag/t from veins averaging 1.4 m wide.
Historic mining depths support a geologic and exploration model for a composite mesothermal and epithermal vein system having mineralization that likely extends to great depth. At Santa Ana it is unlikely that there is sharp elevation restriction common to high-grade zones in many epithermal systems with no mesozonal component.
At least eleven principle vein zones are recognized on the project that cumulatively provide up to 14 km of strike length - La Ivana (including the La Porfia vein system), Roberto Tovar (Royal Mines, including the Santa Ana vein system), El Dorado, Morales, Pollera, Guanabanera, San Antonio, Palomos, Murillo, Culebra and Megapozo. The zones commonly each contain multiple parallel veins. The veins can show both high-grade gold and high-grade silver mineralization. Silver-gold ratios are variable - probably related to local prevalent styles of gold mineralization as free gold, sulfide-associated gold and possible silver-gold alloys. Higher grade gold-silver intercepts commonly show from 1.1% to 3.8% zinc associated with sphalerite. Native silver is observed locally.
Outcrop discovered a new high-grade gold and silver vein system at La Ivana (News Release dated March 2, 2020). La Ivana had never been drilled before and for the nine holes reported in Phase 1 drilling the average downhole intercept length is 0.52 m with a weighted average grade of 21.7 g Au/t and 1,329 g Ag/t. The weighted average for equivalent gold is 36.9 g Eq Au/t and the weighted average for equivalent silver is 3,224 Eq Ag/t. Highlights included:
- 1.0 metre of 21.3 grams gold per tonne and 4,680 grams silver per tonne
- 0.50 metre of 58.1 grams gold per tonne and 876 grams silver per tonne
- 0.50 metre of 5.8 grams gold per tonne and 1,445 grams silver per tonne
- 0.61 metre of 29.0 grams gold per tonne and 1,675 grams silver per tonne
- 0.58 metre of 36.2 grams gold per tonne and 325 grams silver per tonne
- 0.85 metre of 21.4 grams gold per tonne and 373 grams silver per tonne
About Outcrop Gold
Outcrop is a gold prospect generator active in Colombia acquiring gold exploration projects with world-class discovery potential. Outcrop performs its own grass roots exploration and then employs a joint venture business model on its projects to maximize investor exposure to discovery and minimize financial risk. Outcrop has seven primary projects in Colombia with three at an advanced stage of exploration. Outcrop will conduct focused drilling on flagship properties such as Santa Ana to create its own catalysts for value creation and to receive full value for future joint ventures or dispositions.
The technical information in this news release has been approved by Joseph P Hebert, a qualified person as defined in NI43-101 and President and Chief Executive Officer to the Company.
ON BEHALF OF THE BOARD OF DIRECTORS
Joseph P Hebert, Chief Executive Officer
+1 775 340 0450
Neither the TSX Venture Exchange nor its Regulation Services Provider (as such term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release. Certain information contained herein constitutes "forward-looking information" under Canadian securities legislation. Generally, forward-looking information can be identified by the use of forward-looking terminology such as "potential", "we believe", or variations of such words and phrases or statements that certain actions, events or results "will" occur. Forward-looking statements are based on the opinions and estimates of management as of the date such statements are made and they are subject to known and unknown risks, uncertainties and other factors that may cause the actual results, level of activity, performance or achievements of Outcrop to be materially different from those expressed or implied by such forward-looking statements or forward-looking information, including: the receipt of all necessary regulatory approvals, capital expenditures and other costs, financing and additional capital requirements, completion of due diligence, general economic, market and business conditions, new legislation, uncertainties resulting from potential delays or changes in plans, political uncertainties, and the state of the securities markets generally. Although management of Outcrop have attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking statements or forward-looking information, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that such statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements and forward-looking information. Outcrop will not update any forward-looking statements or forward-looking information that are incorporated by reference herein, except as required by applicable securities laws.
To view the source version of this press release, please visit https://www.newsfilecorp.com/release/56226