Open-Pit Geologist – Porphyry Copper & Ore Control

Asarco Llc; Arizona; On-site; USD 90,000 - 130,000; Full time

Job summary

ASARCO LLC seeks a Mine Geologist for open-pit production at the Ray Mine in Kearny, Arizona. The role focuses on ore control, pit mapping, and integrating geology with operations to support Mine-to-Mill decisions and efficient ore routing.

You will collaborate with Drill & Blast, Short-Range Planning, Operations, and Processing to optimize material classification and 3D models, while ensuring HSE standards are met.

Qualifications

• Bachelor’s degree in Geology, Geological Engineering, or a related discipline.
• Minimum 2+ years of active, hands-on open-pit production geology experience in porphyry copper systems.
• Involvement in ore control and grade reconciliation on a daily basis.
• Working knowledge of sulfide/oxide transitions, heap leach behavior, and Mine-to-Mill concepts.
• Hands-on proficiency with Leapfrog Geo, Maptek Vulcan, or MinePlan.

Responsibilities

• Execute daily open-pit ore control and boundary updates; support blast hole logging and shovel operations to minimize dilution.
• Conduct pit mapping, geologic logging, and sampling focusing on lithology, structure, alteration, and mineralization.
• Collaborate with Drill & Blast, Short-Range Mine Planning, Operations, and Processing for Mine-to-Mill optimization.
• Work with LSXEW and Metallurgy to optimize heap leach material selection and acid consumption.

Skills

Geology

Ore control

Field mapping

Education

Bachelor's degree in Geology

Tools

Leapfrog Geo

Maptek Vulcan

MinePlan

Job description

ASARCO LLC seeks a Mine Geologist for open-pit production at the Ray Mine in Kearny, Arizona. The role focuses on ore control, pit mapping, and integrating geology with operations to support Mine-to-Mill decisions and efficient ore routing.

You will collaborate with Drill & Blast, Short-Range Planning, Operations, and Processing to optimize material classification and 3D models, while ensuring HSE standards are met.