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Orosur Mining Inc - Pepas Drilling Continues to Intersect High Grades
Orosur Mining Inc - Pepas Drilling Continues to Intersect High Grades
Assays for five more holes from the Pepas MRE infill program include:
PEP060 - 63.55m @ 8.23g/t Au
PEP064 - 49.95m @ 4.29 g/t Au
Mid-program Resource drilling review underway.
LONDON, UK, AL / ACCESS Newswire / October 7, 2025 / Orosur Mining Inc. ("Orosur" or the "Company") (TSXV:OMI)(AIM:OMI), is pleased to announce an update on the progress of exploration activities at the Company's flagship, 100% owned, Anzá Gold Project ("Project") in Colombia.
Anzá - Colombia
As announced on 14th July 2025, the Company took the formal decision to commence infill drilling at its Pepas gold prospect at Anzá, with the objective of moving Pepas to a NI43-101 compliant Mineral Resource Estimate (MRE) by the end of the year.
This drilling program continues to progress well and remains on target, subject to a mid-program review. Drilling is currently focussing on locating and defining the margins to mineralisation and on better understanding the geological controls on the high grade that is evident in the central part of the Pepas orebody.
Results from these five holes remain consistent with expectations and continue to develop the geological model that is required as part of the Mineral Resource process.
Hole Number | From (m) | To (m) | Interval (m) | Au (g/t) |
PEP060 | 15.25 | 78.8 | 63.55 | 8.23 |
including | 24.85 | 62.35 | 37.5 | 12.99 |
PEP061 | 3 | 6.4 | 3.4 | 0.48 |
PEP062 | 2.2 | 9.25 | 7.05 | 0.47 |
60.8 | 66.1 | 5.3 | 0.48 | |
PEP063 | 0 | 14 | 14 | 2.56 |
54.7 | 61.7 | 7 | 1.21 | |
PEP064 | 0 | 18.5 | 18.5 | 1.28 |
25.65 | 75.6 | 49.95 | 4.29 | |
including | 44.9 | 60.5 | 15.6 | 9.88 |
Table 1. Latest drill Intercepts, Pepas Prospect
The Company is currently engaging with its geological consultants in advance of formally triggering the MRE process to ensure that work on the deposit is sufficiently advanced, and that all the necessary inputs are prepared ahead of the required site visit by the resource consultants, probably at the start of November.
Orosur CEO Brad George commented:
"Pepas continues to move inexorably forward. The NI43-101 MRE process is rigorous, but all of the pieces are falling into place".
Colombia - ANZÁ Project
The Anzá Project is now 100% owned by the Company following completion of a Share Purchase Agreement ("SPA"), announced 28th November 2024, whereby the Company purchased all of the shares of its previous JV partner; Minera Monte Aguila ("MMA").
The Project, which is located 50km west of Medellin, is easily accessible and boasts excellent infrastructure including water, power and communications as well as a large exploration camp.
From September 2018 to November 2024, the Anzá Project was under the control of its previous JV partner MMA, itself a 50/50 venture between the world's two largest gold miners, Agnico Eagle Mines and Newmont Mining.
Prospects
The Company is currently focussed on three prospects within the Anzá Project - Pepas, APTA and El Cedro. All three prospects are within the same granted exploration title that is broken into two, non-contiguous pieces (Figure 2).
Drilling is currently being undertaken at the Pepas prospect in the northern extent of the Anzá Project (pre-acquisition) over 10km north of the central base camp at APTA. In parallel, mapping and sampling is being undertaken over the El Cedro porphyry system in the south of the project area.
Holes Drilled post MMA Transaction
53 holes have been drilled at Pepas since the MMA Transaction in November 2024.
Assay results are tabulated below.
Hole Number | From (m) | To (m) | Interval (m) | Au (g/t) |
PEP012 | 0 | 66.75 | 66.75 | 5.64 |
PEP013 | 0 | 77.30 | 77.30 | 7.68 |
PEP014 | 0 | 75.1 | 75.1 | 5.58 |
PEP015 | 23.5 | 63.7 | 40.2 | 3.75 |
PEP016 | 61.6 | 105.3 | 43.7 | 3.13 |
PEP017 | 56.1 | 96.3 | 40.2 | 2.06 |
PEP018 | 0 | 54.1 | 54.1 | 6.01 |
PEP019 | 0 | 44.3 | 44.3 | 1.63 |
PEP020 | 0 | 54.65 | 54.65 | 1.94 |
PEP021 | 0 | 107.05 | 107.05 | 6.22 |
PEP022 | 0 | 76.3 | 76.3 | 7.24 |
PEP023 | 0 | 15 | 15 | 1.7 |
PEP024 | 9.24 | 15.6 | 6.35 | 1.99 |
PEP025 | 0 | 10.1 | 10.1 | 1.45 |
16.5 | 79 | 62.5 | 5.4 | |
PEP026 | 0 | 14.8 | 14.8 | 0.57 |
43.6 | 72 | 28.4 | 2.52 | |
PEP027 | 1 | 80.15 | 79.15 | 2.0 |
PEP028 | 29.5 | 60.85 | 31.35 | 1.61 |
PEP029 | 0 | 30.7 | 30.7 | 0.31 |
PEP030 | 0 | 77.9 | 77.9 | 0.32 |
115.6 | 122.6 | 7 | 0.31 | |
PEP031B | 28.15 | 41.1 | 12.95 | 0.73 |
74.1 | 95.9 | 20.8 | 0.3 | |
PEP032 | 0 | 92 | 92 | 1.68 |
PEP033 | 0 | 21.3 | 21.3 | 5.88 |
PEP034 | 36 | 95 | 59 | 10.15 |
PEP035 | 0 | 11.4 | 11.4 | 2.71 |
PEP036B | 0 | 40.45 | 40.45 | 0.62 |
PEP037 | 0 | 3 | 3 | 0.65 |
PEP038 | 0 | 16.8 | 16.8 | 0.68 |
PEP039 | No significant intersections | |||
PEP040 | 0 | 10.25 | 10.25 | 1.35 |
PEP041 | 34.35 | 66.1 | 31.75 | 2.01 |
PEP042 | 104.8 | 107.55 | 2.75 | 1.41 |
116.45 | 119.7 | 3.25 | 4.89 | |
PEP043 | No significant intersections | |||
PEP044 | 5.8 | 44.3 | 38.5 | 6.01 |
PEP045 | 9.5 | 71.8 | 62.3 | 12.76 |
PEP046 | 0 | 53.2 | 53.2 | 3.36 |
PEP047 | 0 | 104 | 104 | 6.61 |
PEP048 | 0 | 32.3 | 32.3 | 3.65 |
PEP049 | 0 | 94.2 | 94.2 | 3.74 |
PEP050 | 0 | 34 | 34 | 2.33 |
PEP051 | 0 | 7.4 | 7.4 | 0.43 |
11.2 | 72.5 | 61.3 | 3.36 | |
PEP052 | 0 | 4.4 | 4.4 | 2.24 |
9.4 | 81.25 | 71.85 | 6.13 | |
PEP053 | 17 | 27.1 | 10.1 | 0.9 |
PEP054 | 20 | 40.6 | 20.6 | 2.01 |
PEP055 | 22.05 | 69.3 | 47.25 | 15.25 |
PEP056 | 6 | 28.5 | 22.5 | 1.64 |
PEP057 | 10.85 | 18.3 | 7.45 | 3.05 |
29.8 | 46.9 | 17.1 | 5.47 | |
PEP058 | 32.95 | 67.8 | 34.85 | 3.42 |
PEP059 | 13.4 | 27.6 | 14.2 | 0.75 |
PEP060 | 15.25 | 78.8 | 63.55 | 8.23 |
PEP061 | 3 | 6.4 | 3.4 | 0.48 |
PEP062 | 2.2 | 9.25 | 7.05 | 0.47 |
60.8 | 66.1 | 5.3 | 0.48 | |
PEP063 | 0 | 14 | 14 | 2.56 |
54.7 | 61.7 | 7 | 1.21 | |
PEP064 | 0 | 18.5 | 18.5 | 1.28 |
25.65 | 75.6 | 49.95 | 4.29 | |
Table 2. Results to date, post MMA Transaction
For further information, visit www.orosur.ca, follow on X @orosurm or please contact:
Orosur Mining Inc
Louis Castro, Chairman,
Brad George, CEO
[email protected]
Tel: +1 (778) 373-0100
SP Angel Corporate Finance LLP - Nomad & Joint Broker
Jeff Keating / Jen Clarke / Devik Mehta
Tel: +44 (0) 20 3470 0470
Turner Pope Investments (TPI) Ltd - Joint Broker
Andy Thacker/James Pope
Tel: +44 (0)20 3657 0050
Flagstaff Communications and Investor Communications
Tim Thompson
Mark Edwards
Fergus Mellon
[email protected]
Tel: +44 (0)207 129 1474
The information contained within this announcement is deemed by the Company to constitute inside information as stipulated under the Market Abuse Regulations (EU) No. 596/2014 ('MAR') which has been incorporated into UK law by the European Union (Withdrawal) Act 2018. Upon the publication of this announcement via Regulatory Information Service ('RIS'), this inside information is now considered to be in the public domain.
Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.
Drill Hole Details - Pepas prospect 2022/2024 Programme*
Hole ID | Easting (m) | Northing (m) | Elevation asl (m) | Dip (°) | Azimuth (°) |
PEP-001 | 403384 | 705000 | 1001 | -50 | 150 |
PEP-002 | 403384 | 705000 | 1001 | -60 | 290 |
PEP-003 | 403240 | 705142 | 1001 | -49.60 | 95.2 |
PEP-004 | 403508 | 705671 | 838 | -59.8 | 99.8 |
PEP-005 | 403373 | 704990 | 1008 | -49.8 | 94.6 |
PEP-007 | 403374 | 704990 | 1008 | -69.9 | 170 |
PEP-008 | 403232 | 704803 | 971 | -50 | 60 |
PEP-009 | 403032 | 705057 | 1055 | -50 | 80 |
PEP-010 | 403375 | 705106 | 982 | -50.31 | 190.4 |
PEP-011 | 403573 | 704939 | 1001 | -50.3 | 255 |
PEP-012 | 403415 | 704890 | 997 | -56 | 352 |
PEP-013 | 403413 | 704887 | 997 | -50 | 43 |
PEP-014 | 403400 | 704910 | 1007 | -50 | 43 |
PEP-015 | 403375 | 704938 | 1017 | -50 | 43 |
PEP-016 | 403326 | 704912 | 999 | -50 | 43 |
PEP-017 | 403365 | 704848 | 976 | -40 | 47 |
PEP-018 | 403345 | 704851 | 977 | -45 | 43 |
PEP-019 | 403446 | 704890 | 991 | -45 | 43 |
PEP-020 | 403446 | 704890 | 991 | -75 | 43 |
PEP-021 | 403424 | 704935 | 1012 | -62 | 223 |
PEP-022 | 403424 | 704935 | 1012 | -42 | 223 |
PEP-023 | 403245 | 704927 | 969 | -50 | 43 |
PEP-024 | 403245 | 704927 | 969 | -78 | 43 |
PEP-025 | 403369 | 704888 | 1001 | -45 | 43 |
PEP-026 | 403339 | 704955 | 1008 | -63 | 50 |
PEP-027 | 403468 | 704909 | 1003 | -46 | 228 |
PEP-028 | 403398 | 704957 | 1012 | -58 | 223 |
PEP-029 | 403311 | 705018 | 1011 | -50 | 50 |
PEP-030 | 403311 | 705018 | 1011 | -50 | 000 |
PEP-031B | 403486 | 704901 | 998 | -52 | 220 |
PEP-032 | 403431 | 704861 | 982 | -60 | 15 |
PEP-033 | 403431 | 704861 | 982 | -65 | 100 |
PEP-034 | 403431 | 704861 | 982 | -45 | 315 |
PEP-035 | 403369 | 704882 | 996 | -45 | 223 |
PEP-036 | 403311 | 705152 | 989 | -45 | 30 |
PEP-037 | 403354 | 705227 | 958 | -50 | 210 |
PEP-038 | 403332 | 705219 | 967 | -45 | 128 |
PEP-039 | 403411 | 704798 | 957 | -45 | 73 |
PEP-040 | 403369 | 704882 | 995 | -80 | 212 |
PEP-041 | 403373 | 704936 | 1008 | -50 | 3 |
PEP-042 | 403396 | 705038 | 716 | -50 | 82 |
PEP-043 | 403298 | 704942 | 981 | -50 | 43 |
PEP-044 | 403402 | 704948 | 1011 | -62 | 33 |
PEP-045 | 403406 | 704949 | 1011 | -60 | 223 |
PEP-046 | 403420 | 704933 | 1007 | -53 | 43 |
PEP-047 | 403414 | 704927 | 1008 | -74 | 223 |
PEP-048 | 403448 | 704922 | 1005 | -54 | 043 |
PEP-049 | 403447 | 704920 | 1005 | -55 | 223 |
PEP-050 | 403459 | 704905 | 1003 | -45 | 43 |
PEP-051 | 403391 | 704928 | 1011 | -61 | 43 |
PEP-052 | 403391 | 704928 | 1011 | -87 | 43 |
PEP-053 | 403391 | 704929 | 1012 | -60 | 223 |
PEP-054 | 403380 | 704954 | 1011 | -52 | 43 |
PEP-055 | 403380 | 704954 | 1011 | -86 | 223 |
PEP-056 | 403371 | 704970 | 1012 | -61 | 43 |
PEP-057 | 403371 | 704970 | 1012 | -71 | 223 |
PEP-058 | 403371 | 704970 | 1012 | -85 | 223 |
PEP-059 | 403384 | 704976 | 1007 | -59 | 43 |
PEP-060 | 403372 | 704908 | 1005 | -55 | 43 |
PEP-061 | 403361 | 704988 | 1010 | -80 | 223 |
PEP-062 | 403361 | 704988 | 1010 | -61 | 43 |
PEP-063 | 403345 | 705005 | 1009 | -50 | 80 |
PEP-064 | 403356 | 704923 | 1005 | -51 | 43 |
* Coordinates WGS84, UTM Zone 18
About Orosur Mining Inc.
Orosur Mining Inc. (TSXV: OMI; AIM: OMI) is a minerals explorer and developer currently operating in Colombia, Argentina and Nigeria.
About the Anzá Project
Anzá is a gold exploration project, comprising three exploration licences, and a large number of licence applications, totalling 399km2, in the prolific Mid-Cauca belt of Colombia.
The Anzá Project is currently wholly owned by Orosur via its subsidiaries, Minera Anzá S.A. and Minera Monte Aquila S.A.S.
The project is located 50km west of Medellin and is easily accessible by all-weather roads and boasts excellent infrastructure including water, power, communications and large exploration camp.
Qualified Persons Statement
The information in this news release was compiled, reviewed, verified and approved by Mr. Brad George, BSc Hons (Geology and Geophysics), MBA, Member of the Australian Institute of Geoscientists (MAIG), CEO of Orosur Mining Inc. and a qualified person as defined by National Instrument 43-101.
Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards.
Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility, with the other sent for assay.
Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs).
Samples for holes PEP-001 to PEP-011 were sent to the Medellin preparation facility of ALS Colombia Ltd, and then to the ISO 9001 certified ALS Chemex laboratory in Lima, Peru.
Samples from PEP-012 onwards are sent to Medellin laboratory of Actlabs for preparation and assay.
30 gram nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.
Gold intersections are reported using a lower cut-off of 0.3g/t Au over 3m.
Intersections are quoted as downhole thicknesses. True thicknesses are unknown.
Forward Looking Statements
All statements, other than statements of historical fact, contained in this news release constitute "forward looking statements" within the meaning of applicable securities laws, including but not limited to the "safe harbour" provisions of the United States Private Securities Litigation Reform Act of 1995 and are based on expectations estimates and projections as of the date of this news release.
Forward-looking statements include, without limitation, the continuing focus on the Pepas prospect, the exploration plans in Colombia and the funding of those plans, and other events or conditions that may occur in the future. There can be no assurance that such statements will prove to be accurate. Actual results and future events could differ materially from those anticipated in such forward-looking statements. Such statements are subject to significant risks and uncertainties including, but not limited to, those described in the Section "Risks Factors" of the Company's MD&A for the year ended May 31, 2025. The Company's continuance as a going concern is dependent upon its ability to obtain adequate financing, to reach profitable levels of operations and to reach formal closure of the Creditor´s Agreement in Uruguay. These material uncertainties may cast significant doubt upon the Company's ability to realize its assets and discharge its liabilities in the normal course of business and accordingly the appropriateness of the use of accounting principles applicable to a going concern. The Company disclaims any intention or obligation to update or revise any forward-looking statements whether as a result of new information, future events and such forward-looking statements, except to the extent required by applicable law.
This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact [email protected] or visit www.rns.com.
SOURCE: Orosur Mining Inc
View the original press release on ACCESS Newswire
L.Côte--SMC
