StreetInsider.com News Articles

Marimaca Appoints Peter Garner-Winship as CFO

Thu, 08 Oct 2026 06:30:00 -0400

VANCOUVER, BC / ACCESS Newswire / October 8, 2026 / Marimaca Copper Corp. ("Marimaca Copper" or the "Company") (TSX:MARI)(ASX:MC2) is pleased to announce that Peter Garner-Winship has been promoted to Chief Financial Officer, effective immediately. Peter joined Marimaca in March 2026 as Vice President, Finance, after spending 17 years with Anglo American, holding senior roles in corporate finance, strategic planning and capital allocation. His experience also includes serving as Financial Controller for the US$5.5 billion Quellaveco copper project in Peru, where he helped build the project organisation and finance function through construction

Marimaca Appoints Peter Garner-Winship as CFO

Thu, 08 Oct 2026 06:30:00 -0400

Marimaca Secures MOD Grid Connection Authorization and Agrees Key Commercial Terms for Power Supply; Provides Project Update

Thu, 01 Oct 2026 06:30:00 -0400

VANCOUVER, BC / ACCESS Newswire / October 1, 2026 / Marimaca Copper Corp. ("Marimaca Copper" or the "Company") (TSX:MARI)(ASX:MC2) is pleased to announce various development activities at the Marimaca Oxide Deposit ("MOD"), including the receipt of the grid connection authorization for the MOD and the key commercial terms for a Power Purchase Agreement ("PPA") framework. Marimaca has also received an overall "A" rating in its 2025 independent Digbee sustainability assessment, its third consecutive "A" rating.

Hayden Locke, CEO and Director of Marimaca Copper, commented:

"The approval of our grid connection is an important de-risking

Marimaca Secures MOD Grid Connection Authorization and Agrees Key Commercial Terms for Power Supply; Provides Project Update

Thu, 01 Oct 2026 06:30:00 -0400

VANCOUVER, BC / ACCESS Newswire / October 1, 2026 / Marimaca Copper Corp. ("Marimaca Copper" or the "Company") (TSX:MARI)(ASX:MC2) is pleased to announce various development activities at the Marimaca Oxide Deposit ("MOD"), including the receipt of the grid connection authorization for the MOD and the key commercial terms for a Power Purchase Agreement ("PPA") framework. Marimaca has also received an overall "A" rating in its 2025 independent Digbee sustainability assessment, its third consecutive "A" rating.
Hayden Locke, CEO and Director of Marimaca Copper, commented:
"The approval of our grid connection is an important de-risking

Pampa Medina Continues to Deliver Extraordinary Cu-Ag Grade-Widths - Drilling Intersects 216m of 1.0% Cu and 7.2g/t Ag Including 62m of 2.2% Cu and 21.5g/t Ag from SPRD-15

Tue, 08 Sep 2026 06:00:00 -0400

VANCOUVER, BC / ACCESS Newswire / September 8, 2026 / Marimaca Copper Corp. ("Marimaca Copper" or the "Company") (TSX:MARI)(ASX:MC2) is pleased to report further assay results from its ongoing drilling program at the Pampa Medina deposit, located approximately 28km east of the Company's Marimaca Oxide Deposit ("MOD") in Chile's Antofagasta Region (Figure 1). Drilling within the central high-grade sulphide zone continues to deliver consistent, high-grade results within the defined 3km x 1.5km area of interest ("AOI"). The mineralization across the target lithological horizons continues to show continuity both horizontally and vertically. Drilling

Pampa Medina Continues to Deliver Extraordinary Cu-Ag Grade-Widths - Drilling Intersects 216m of 1.0% Cu and 7.2g/t Ag Including 62m of 2.2% Cu and 21.5g/t Ag from SPRD-15

Tue, 08 Sep 2026 06:00:00 -0400

VANCOUVER, BC / ACCESS Newswire / September 8, 2026 / Marimaca Copper Corp. ("Marimaca Copper" or the "Company") (TSX:MARI)(ASX:MC2) is pleased to report further assay results from its ongoing drilling program at the Pampa Medina deposit, located approximately 28km east of the Company's Marimaca Oxide Deposit ("MOD") in Chile's Antofagasta Region (Figure 1). Drilling within the central high-grade sulphide zone continues to deliver consistent, high-grade results within the defined 3km x 1.5km area of interest ("AOI"). The mineralization across the target lithological horizons continues to show continuity both horizontally and vertically. Drilling

Marimaca Copper Announces Appointment of Nicole Porcile as Independent Director

Tue, 01 Sep 2026 07:00:00 -0400

VANCOUVER, BC / ACCESS Newswire / September 1, 2026 / Marimaca Copper Corp. ("Marimaca Copper" or the "Company") (TSX:MARI)(ASX:MC2) is pleased to announce that Ms. Nicole Porcile has been appointed as an Independent Non-Executive Director of the Company.
Ms. Porcile is a Chilean national and senior executive and board director with more than 25 years of international experience across the mining, metals, energy, and water sectors. She has extensive experience in governance, socio-environmental risk management, ESG and responsible mining standards, regulatory engagement, community relations, human rights, and Indigenous Peoples matters.
Ms. Porcile is the

Marimaca Copper Announces Appointment of Nicole Porcile as Independent Director

Tue, 01 Sep 2026 07:00:00 -0400

VANCOUVER, BC / ACCESS Newswire / September 1, 2026 / Marimaca Copper Corp. ("Marimaca Copper" or the "Company") (TSX:MARI)(ASX:MC2) is pleased to announce that Ms. Nicole Porcile has been appointed as an Independent Non-Executive Director of the Company.
Ms. Porcile is a Chilean national and senior executive and board director with more than 25 years of international experience across the mining, metals, energy, and water sectors. She has extensive experience in governance, socio-environmental risk management, ESG and responsible mining standards, regulatory engagement, community relations, human rights, and Indigenous Peoples matters.
Ms. Porcile is the

Pampa Medina Drilling Continues to Validate Sedimentary-Hosted Copper Manto Model

Tue, 11 Nov 2025 16:10:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce the final results from it’s 10,000m discovery drilling campaign at the Pampa Medina deposit, located at low altitude approximately 28km east of the Company’s Marimaca Oxide Deposit (“MOD”) in a flat “pampa” valley within the Atacama Desert (Figure 1). The drilling results continue to demonstrate material extensions to the high-grade sedimentary-hosted sulphide copper horizon, as well as upside to the known extent of the near-surface oxide mineralization. The Company has subsequently commenced a 30,000m

Pampa Medina Drilling Continues to Validate Sedimentary-Hosted Copper Manto Model

Tue, 11 Nov 2025 16:10:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce the final results from it’s 10,000m discovery drilling campaign at the Pampa Medina deposit, located at low altitude approximately 28km east of the Company’s Marimaca Oxide Deposit (“MOD”) in a flat “pampa” valley within the Atacama Desert (Figure 1). The drilling results continue to demonstrate material extensions to the high-grade sedimentary-hosted sulphide copper horizon, as well as upside to the known extent of the near-surface oxide mineralization. The Company has subsequently commenced a 30,000m

Pampa Medina Drilling Continues to Validate Sedimentary-Hosted Copper Manto Model

Tue, 11 Nov 2025 16:10:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce the final results from it’s 10,000m discovery drilling campaign at the Pampa Medina deposit, located at low altitude approximately 28km east of the Company’s Marimaca Oxide Deposit (“MOD”) in a flat “pampa” valley within the Atacama Desert (Figure 1). The drilling results continue to demonstrate material extensions to the high-grade sedimentary-hosted sulphide copper horizon, as well as upside to the known extent of the near-surface oxide mineralization. The Company has subsequently commenced a 30,000m

Pampa Medina Drilling Continues to Validate Sedimentary-Hosted Copper Manto Model

Tue, 11 Nov 2025 16:10:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce the final results from it’s 10,000m discovery drilling campaign at the Pampa Medina deposit, located at low altitude approximately 28km east of the Company’s Marimaca Oxide Deposit (“MOD”) in a flat “pampa” valley within the Atacama Desert (Figure 1). The drilling results continue to demonstrate material extensions to the high-grade sedimentary-hosted sulphide copper horizon, as well as upside to the known extent of the near-surface oxide mineralization. The Company has subsequently commenced a 30,000m

Pampa Medina Drilling Continues to Validate Sedimentary-Hosted Copper Manto Model

Tue, 11 Nov 2025 16:10:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce the final results from it’s 10,000m discovery drilling campaign at the Pampa Medina deposit, located at low altitude approximately 28km east of the Company’s Marimaca Oxide Deposit (“MOD”) in a flat “pampa” valley within the Atacama Desert (Figure 1). The drilling results continue to demonstrate material extensions to the high-grade sedimentary-hosted sulphide copper horizon, as well as upside to the known extent of the near-surface oxide mineralization. The Company has subsequently commenced a 30,000m

Pampa Medina Drilling Continues to Validate Sedimentary-Hosted Copper Manto Model

Tue, 11 Nov 2025 16:10:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce the final results from it’s 10,000m discovery drilling campaign at the Pampa Medina deposit, located at low altitude approximately 28km east of the Company’s Marimaca Oxide Deposit (“MOD”) in a flat “pampa” valley within the Atacama Desert (Figure 1). The drilling results continue to demonstrate material extensions to the high-grade sedimentary-hosted sulphide copper horizon, as well as upside to the known extent of the near-surface oxide mineralization. The Company has subsequently commenced a 30,000m

Pampa Medina Drilling Continues to Validate Sedimentary-Hosted Copper Manto Model

Tue, 11 Nov 2025 16:10:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce the final results from it’s 10,000m discovery drilling campaign at the Pampa Medina deposit, located at low altitude approximately 28km east of the Company’s Marimaca Oxide Deposit (“MOD”) in a flat “pampa” valley within the Atacama Desert (Figure 1). The drilling results continue to demonstrate material extensions to the high-grade sedimentary-hosted sulphide copper horizon, as well as upside to the known extent of the near-surface oxide mineralization. The Company has subsequently commenced a 30,000m

Pampa Medina Drilling Continues to Validate Sedimentary-Hosted Copper Manto Model

Tue, 11 Nov 2025 16:10:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce the final results from it’s 10,000m discovery drilling campaign at the Pampa Medina deposit, located at low altitude approximately 28km east of the Company’s Marimaca Oxide Deposit (“MOD”) in a flat “pampa” valley within the Atacama Desert (Figure 1). The drilling results continue to demonstrate material extensions to the high-grade sedimentary-hosted sulphide copper horizon, as well as upside to the known extent of the near-surface oxide mineralization. The Company has subsequently commenced a 30,000m

Pampa Medina Drilling Continues to Validate Sedimentary-Hosted Copper Manto Model

Tue, 11 Nov 2025 16:10:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce the final results from it’s 10,000m discovery drilling campaign at the Pampa Medina deposit, located at low altitude approximately 28km east of the Company’s Marimaca Oxide Deposit (“MOD”) in a flat “pampa” valley within the Atacama Desert (Figure 1). The drilling results continue to demonstrate material extensions to the high-grade sedimentary-hosted sulphide copper horizon, as well as upside to the known extent of the near-surface oxide mineralization. The Company has subsequently commenced a 30,000m

Pampa Medina Drilling Continues to Validate Sedimentary-Hosted Copper Manto Model

Tue, 11 Nov 2025 16:10:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce the final results from it’s 10,000m discovery drilling campaign at the Pampa Medina deposit, located at low altitude approximately 28km east of the Company’s Marimaca Oxide Deposit (“MOD”) in a flat “pampa” valley within the Atacama Desert (Figure 1). The drilling results continue to demonstrate material extensions to the high-grade sedimentary-hosted sulphide copper horizon, as well as upside to the known extent of the near-surface oxide mineralization. The Company has subsequently commenced a 30,000m

Pampa Medina Drilling Continues to Validate Sedimentary-Hosted Copper Manto Model

Tue, 11 Nov 2025 16:10:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce the final results from it’s 10,000m discovery drilling campaign at the Pampa Medina deposit, located at low altitude approximately 28km east of the Company’s Marimaca Oxide Deposit (“MOD”) in a flat “pampa” valley within the Atacama Desert (Figure 1). The drilling results continue to demonstrate material extensions to the high-grade sedimentary-hosted sulphide copper horizon, as well as upside to the known extent of the near-surface oxide mineralization. The Company has subsequently commenced a 30,000m

Pampa Medina Drilling Continues to Validate Sedimentary-Hosted Copper Manto Model

Tue, 11 Nov 2025 16:10:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce the final results from it’s 10,000m discovery drilling campaign at the Pampa Medina deposit, located at low altitude approximately 28km east of the Company’s Marimaca Oxide Deposit (“MOD”) in a flat “pampa” valley within the Atacama Desert (Figure 1). The drilling results continue to demonstrate material extensions to the high-grade sedimentary-hosted sulphide copper horizon, as well as upside to the known extent of the near-surface oxide mineralization. The Company has subsequently commenced a 30,000m

Marimaca Announces Receipt of Environmental Approval for the Marimaca Oxide Deposit

Tue, 11 Nov 2025 07:42:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce that its Chilean subsidiary, Marimaca NewCo Limitada (“Marimaca”), has received the formal Resolución de Calificación Ambiental (“RCA”) for its Marimaca Oxide Project (the “MOD” or “Project”), located in the low coastal cordillera of the Antofagasta region of Chile. The RCA represents the formal approval of the Company’s Declaración de Impacto Ambiental (Environmental Impact Statement) (“DIA”) submission made in December 2024 and marks another strategic step closer to being construction-ready at the MOD.

The

Marimaca Announces Receipt of Environmental Approval for the Marimaca Oxide Deposit

Tue, 11 Nov 2025 07:42:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce that its Chilean subsidiary, Marimaca NewCo Limitada (“Marimaca”), has received the formal Resolución de Calificación Ambiental (“RCA”) for its Marimaca Oxide Project (the “MOD” or “Project”), located in the low coastal cordillera of the Antofagasta region of Chile. The RCA represents the formal approval of the Company’s Declaración de Impacto Ambiental (Environmental Impact Statement) (“DIA”) submission made in December 2024 and marks another strategic step closer to being construction-ready at the MOD.

The

Marimaca Announces Receipt of Environmental Approval for the Marimaca Oxide Deposit

Tue, 11 Nov 2025 07:42:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce that its Chilean subsidiary, Marimaca NewCo Limitada (“Marimaca”), has received the formal Resolución de Calificación Ambiental (“RCA”) for its Marimaca Oxide Project (the “MOD” or “Project”), located in the low coastal cordillera of the Antofagasta region of Chile. The RCA represents the formal approval of the Company’s Declaración de Impacto Ambiental (Environmental Impact Statement) (“DIA”) submission made in December 2024 and marks another strategic step closer to being construction-ready at the MOD.

The

Marimaca Announces Receipt of Environmental Approval for the Marimaca Oxide Deposit

Tue, 11 Nov 2025 07:42:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce that its Chilean subsidiary, Marimaca NewCo Limitada (“Marimaca”), has received the formal Resolución de Calificación Ambiental (“RCA”) for its Marimaca Oxide Project (the “MOD” or “Project”), located in the low coastal cordillera of the Antofagasta region of Chile. The RCA represents the formal approval of the Company’s Declaración de Impacto Ambiental (Environmental Impact Statement) (“DIA”) submission made in December 2024 and marks another strategic step closer to being construction-ready at the MOD.

The

Marimaca Announces Receipt of Environmental Approval for the Marimaca Oxide Deposit

Tue, 11 Nov 2025 07:42:00 -0400

VANCOUVER, British Columbia, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX:MARI, ASX:MC2) is pleased to announce that its Chilean subsidiary, Marimaca NewCo Limitada (“Marimaca”), has received the formal Resolución de Calificación Ambiental (“RCA”) for its Marimaca Oxide Project (the “MOD” or “Project”), located in the low coastal cordillera of the Antofagasta region of Chile. The RCA represents the formal approval of the Company’s Declaración de Impacto Ambiental (Environmental Impact Statement) (“DIA”) submission made in December 2024 and marks another strategic step closer to being construction-ready at the MOD.

The