RIO - Exploring Mining Podcast 215: OTGO DEFN DFMTF RIO PVG

Point Roberts, WA and Delta, BC - October 26, 2021 (Investorideas.com Newswire) Investorideas.com, a global investor news source covering mining and metals stocks releases today's edition of Exploring Mining Podcast , featuring stock news from TSX, TSXV, CSE, ASX, NASDAQ, NYSE companies plus interviews with CEO's and leading experts. Today's podcast was sponsored by O2Gold Inc. ( TSXV: OTGO ), a mineral exploration company with activities in Colombia.

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O2Gold, Inc. ( TSXV: OTGO ) has begun drilling at its Aparecida brownfield area. The first drilling target is the Fortaleza Vein, which "has a projected extension of at least 400 meters, and rock channel samples have returned maximum values of 42.3 g/t Au and 49.6 g/t Ag." Drilling continues in the main vein of the Aurora area "to prove its extension along dip and strike." According to the press release:

The Company has reinforced both adits and tunnels of the Aurora mine, with electricity and ventilation in place for when the tunnels reopen. The Company's aim is to begin draining the tunnels in Q4 2021 and management expects the mine to be fully accessible in Q1 of 2022.

Defense Metals Corp. ( TSXV:DEFN ) ( OTCQB:DFMTF ) has announced that Dr. Luisa Moreno has joined its board of directors. Moreno is a Physics Engineer, with a PhD in Materials Science and Mechanics from Imperial College London, UK, and "is known as a leading analyst in rare earths and has published several reports and articles for the investment community." Craig Taylor, the company's CEO, commented:

"As we near completion of our ambitious 2021 Wicheeda REE deposit resource expansion and delineation diamond drill program and economic scenario analysis being conducted by SRK, we are excited to welcome Dr. Moreno to the board. Dr. Moreno has demonstrated an ability to analyze the technical aspects of specialty metals deposits and brings with her a wealth of knowledge and international capital markets experience that will be critical in moving Wicheeda forward."

Rio Tinto Group ( NYSE:RIO ) is partnering with Carbfix to implement a technology for capturing carbon and permanently storing it underground at the ISAL aluminium smelter in Iceland. Rio Tinto's Chief Executive of Aluminium, Ivan Vella, explained:

"The innovative technology developed by Carbfix provides a pathway towards further decarbonisation of aluminium production at our ISAL smelter, which already produces low carbon aluminium using renewable energy. We will be working together to tackle the technical challenges to progress the carbon capture solution that we have begun trialling at ISAL. Beyond this, we will look for opportunities to apply Carbfix's technology for decarbonisation across Rio Tinto's operations, complementing other innovations such as our ELYSIS partnership for zero carbon aluminium smelting."

Pretium Resources Inc. ( NYSE:PVG ) has announced a new high-grade gold exploration discovery at the Golden Marmot Zone on its Brucejack Property in Northern British Columbia, Canada. Highlights include drill hole SU-786 - which intersected 72.5 grams per tonne gold over 53.5 metres, drill hole SU-778 - which intersected 46.1 grams per tonne gold over 5.8 metres, and drill hole SU-772, which intersected 22.8 grams per tonne gold over 38.0 metres.

Exploring Mining Podcast Sponsor

O2Gold Inc . ( TSXV: OTGO ) is a mineral exploration company with activities in Colombia. O2 Gold is focused entirely on the exploration of the Otu Fault project, with senior management based in nearby Medellin. The team's deep roots and experience in Latin America-in both capital markets and mining-gives it the regional knowledge and operational expertise to create a world-class project.

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