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Geologic Technician / Core Cutter
Blue Moon Metals
Mariposa, USA
Mid
Onsite
Discovered 2 weeks ago
Role Overview
Based at our facility in Mariposa, California the Geologic Technician / Core Cutter supports the Exploration and Geology teams by safely processing diamond drill core and assisting with geological data.
This position is responsible for core cutting, sampling, labeling, and maintaining a safe, organized core facility.
The role requires a strong commitment to safety, attention to detail, and the ability to work in a physically demanding mining and exploration environment.
Full Job Posting
Key Responsibilities
- Core Processing & Sampling
- Cut diamond drill core using core saws in accordance with geologist instructions and sampling protocols
- Label, bag, and prepare samples for shipment following chain-of-custody and QA/QC requirements
- Maintain sample integrity and accurate documentation
- Photograph core and assist with core layout, orientation, and archiving
- Ensure proper handling, storage, and security of drill core
- Geological Support
- Assist geologists with core handling, logging preparation, and sample selection
- Record basic geological measurements and observations as directed
- Support QA/QC programs including blanks, standards, and duplicates
- Assist with core recovery tracking and reconciliation of samples
- Health, Safety & Environmental Compliance
- Work in compliance with Cal/OSHA, MSHA (where applicable), and site-specific safety requirements
- Perform pre-operational inspections of core saws and equipment
- Maintain a clean, organized, and hazard-free core shack or facility
- Use required PPE at all times (eye protection, hearing protection, gloves, steel-toe boots, etc.)
- Immediately report hazards, near misses, and incidents
- General Duties
- Perform routine cleaning and maintenance of core saws and related equipment
- Assist with inventory management of sampling supplies and consumables
- Support other exploration or geology-related tasks as assigned
- Work collaboratively with geologists, drillers, and contractors
Required Qualifications
- High school diploma or equivalent
- Valid driver's license
- Familiarity with diamond drill core handling and sampling procedures
- Ability to safely perform physical work, including lifting and moving core boxes
- Strong attention to detail and ability to follow written and verbal instructions
- Basic computer skills for data entry and sample tracking
Preferred Qualifications
- Post-secondary education in Geology, Earth Sciences, or a related field
- Experience as a core cutter, geologic technician, or exploration laborer
- Cal/OSHA/MSHA safety training, First Aid/CPR
- Experience with geological databases, logging software, or core photography systems
- Work Environment
- Work will occur in a core facility but may require field work or travel to an underground mine site.
- Exposure to water, dust, noise, vibration, and varying temperatures
- Shift work, weekends, or rotational schedules may be required
- Physical Requirements
- Ability to lift up to 50 lbs
- Ability to stand, bend, kneel, and perform repetitive tasks for extended periods
- Ability to work safely around industrial equipment
- Compensation
- The pay range for this position will be $20.00 - 25.00 per hour, depending on qualifications and experience. This position is non-exempt and eligible for overtime.
- Equal Employment Opportunity
- Keystone Mines Inc. is an Equal Opportunity Employer and complies with all applicable California employment laws. We are committed to maintaining a safe, inclusive, and respectful workplace.
About Blue Moon Metals
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