DynaResource, Inc. (OTCQX: DYNR) has provided an update on exploration activities at its 100%-owned San Jose de Gracia gold mine in Sinaloa, Mexico. This update includes the preliminary identification of two potential high-grade mineralized zones situated adjacent to existing mine infrastructure. These zones are currently under evaluation for future exploration and development potential.
Note: Assay results referenced in this news release are based on internal laboratory analyses conducted at the San Jose de Gracia plant. They have not been verified by an independent third-party laboratory and do not conform to disclosure standards such as S-K 1300 or NI 43-101.
Over the past six months, the Company has been compiling and interpreting geological, geochemical, geophysical, and historical mining data to support an exploration diamond drilling program planned for later this year. This review has led to the identification of the Victoria vein, a previously undocumented mineralized structure located approximately 40 meters from the upper-level development at the Tres Amigos mine (see Figures 1 and 2). Similarly, analysis of historical working mining activity has highlighted the potential of the Palos Chinos vein, situated near active workings at Mochomera (see Figure 4). Both veins are undergoing early-stage evaluation through exploration drifting, geological mapping, channel sampling, and internal bulk sampling. Material is being processed at the San Jose de Gracia plant to assess mineralization, metallurgy, and gold recovery characteristics.
“With the recent release of an initial Mineral Reserve and updated Resource estimate for the San Jose de Gracia mine, outlining a minimum seven-year mine life with 253,000 ounces of high-grade gold reserves defined across just three mineralized structures (Tres Amigo, San Pablo and Mochomera), we are now focused on expanding the resource base through continued exploration,” stated Rohan Hazelton, President & CEO of DynaResource. “The Victoria and Palos Chinos veins, both located immediately adjacent to existing mine infrastructure, represent near-term priorities due to their potential for rapid evaluation and future integration into operations. In addition to advancing exploration on these targets and extensions of known orebodies, we are preparing to commence a diamond drilling campaign in the second half of the year targeting several additional prospects across the San Jose de Gracia district. This prolific, high-grade mineral field remains significantly underexplored, despite historical production of over one million ounces of gold, as demonstrated by the recent identification of the Victoria vein.”
Victoria Target (Tres Amigos Mine Area)
Geological and structural analysis at the Tres Amigos deposit has led to the identification of an exploration target in the previously underexplored hanging wall of the Tres Amigos vein system. Subsequent development drifting toward this target has resulted in the discovery of a previously undocumented mineralized vein approximately 1.5 meters in width (see Figure 2). To date, a total of 110 meters of drifting has been completed on two sublevels (550 and 540 levels, spaced 10 meters apart), alongside the collection and analysis of 1,069 channel samples. In addition, the Company has mined and processed a bulk sample of approximately 10,000 tonnes which are amenable to recovery in the existing floatation plant, with internal assay results indicating an estimated average grade of 8 grams per tonne gold. Based on the current exploration work, the Victoria vein is considered to have a conceptual exploration target of approximately 100,000 tonnes grading between 7 and 8 grams per tonne gold, representing a potential of ~25,000 ounces of contained gold.
Note: The potential quantity and grade of the Victoria target are conceptual in nature. There has been insufficient exploration to define a mineral resource, and it is uncertain if further work will result in the delineation of a mineral resource.
Figure 1: Cross-section view of the existing underground infrastructure at Tres Amigos, highlighting the location of the newly identified Victoria vein in the hanging wall zone.
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Figure 2: Photograph of the Victoria vein, highlighting a vein width of 1.5 meters and abundant sulphide mineralization, including chalcopyrite, pyrite, galena, and sphalerite, characteristic of this high-grade gold-bearing structure.
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Figure 3: Photo of CEO Rohan Hazelton and Chief Geologist Ignacio Mendez, standing in front of Victoria vein at 550 level of the Tres Amigos deposit.
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Palos Chinos
Exploration drifting toward the historical Palos Chinos vein system has advanced to approximately 70 meters from current mine workings. Observations from this development, combined with historical mapping from 1999-2000, suggest a second near-infrastructure exploration target. Preliminary evaluation indicates a conceptual exploration target of approximately 90,000 tonnes grading 5 to 6 g/t per tonne gold, representing a potential of ~15,000 ounces of contained gold.
Cautionary Statement: The potential quantity and grade of the Palos Chinos target are conceptual in nature. There has been insufficient exploration to define a mineral resource, and it is uncertain if further exploration will result in the delineation of a mineral resource.
Encouragingly, the ongoing exploration drifts have encountered minor disseminated mineralized structures within the footwall of the Palos Chinos structure, supporting the potential for additional mineralization along the trend (see Figures 4 and 5).
Figure 4: Image showing existing underground infrastructure at the Mochomera vein system, and its proximity to the Palos Chinos exploration drift.
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Figure 5: Photograph of a mineralized vein exposed in the drift development advancing toward the main Palo Chinos vein.
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The following information is contained within the San Jose de Gracia Gold Project S-K 1300 Technical Summary, effective March 24, 2025. The Palos Chinos data contained therein was insufficient to establish a mineral resource estimate this zone, however, preliminary evaluations by the Company suggest significant exploration potential.
Detailed mapping and sampling conducted in 1999 and 2000 across multiple levels of the historical Palos Chinos workings confirmed that the mined-out section of the Palos Chinos vein generally averages between 1.0 and 1.5 meters in thickness, with a steep westerly dip ranging from 60° to 80°. Along strike, several mineralized shoots were identified, displaying key structural and mineralogical characteristics, including:
- A shift in strike orientation from south to southeast;
- A localized shallowing of dip angles between 35° to 40°;
- Vein thickening to between 2 and 4 meters;
- Increased development of chlorite-rich stockwork adjacent to the vein;
- Elevated gold grades, including individual samples grading up to 92.5 g/t Au over 0.7 meters; and
- A mineralized shoot transect averaging 7.6 g/t Au over 7.6 meters, including 13.4 g/t Au over 3.4 meters within the main Palos Chinos vein (see Table 1).
In total, 180 samples were collected along the Palos Chinos trend from both surface exposures and underground workings. Of these, 74 samples were taken directly from the Palos Chinos vein and adjacent mineralized hanging wall and footwall zones. Based on this dataset, the Palos Chinos vein returned an average grade of 11.4 g/t Au over an average width of 1.2 meters. Additionally, mining above the Palos Chinos level exposed a parallel, laterally continuous hanging wall vein located approximately 4 to 5 meters above the main structure. Three samples collected from this vein returned gold grades ranging from 11.3 to 18.5 g/t Au and also contained notable concentrates of copper, with localized lead and zinc values over narrow widths. A summary of significant historical assay results from the Palos Chinos vein is provided in Table 1.
Table 1: Summary of significant historical assay results samples from the Palos Chinos vein included in the Company’s San Jose de Gracia Gold Project S-K 1300 Technical Summary, effective March 24, 2025.
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The reported average vein thickness of 1.2 meters is derived from the mean of all individual sample interval widths and does not reflect the full extent of the historically mined zone between the Palos Chinos and Saramiento levels. To determine the broader mineralized envelope, a representative channel potential sample transect spanning the interval between the Palos Chinos vein and a parallel hanging wall structure returned an average of 7.4 g/t Au over 7.6 meters (see Table 1 and Figure 6). These results indicate that portions of the Palos Chinos trend may exhibit sufficient thickness, grade continuity, and structural geometry to be amenable to mechanized mining, subject to further drilling, geotechnical evaluation, and mine planning studies.
Figure 6: Assay results from a representative channel sample transect extending from the footwall contact, across the Palos Chinos vein and associated chlorite stockwork zone, to the hanging wall vein. The composite interval averages 7.4 g/t Au over 7.6 meters (true width), with notable enrichment in gold, silver, and copper across discrete intervals.
DynaResource, Inc. is a dynamic emerging junior gold company currently conducting test mining and milling activities, producing rich gold concentrates, and continuing exploration activity, through its 100% owned subsidiary in Mexico, DynaResource de Mexico SA de CV., at DynaMéxico’s wholly owned project – San Jose de Gracia;
