Geological Sample Test Technician  What They Do

Just the Facts


Tests or analyzes geological samples, crude oil, or minerals to detect presence of petroleum, gas, or mineral deposits indicating potential for exploration or production or to determine physical or chemical properties to ensure that products meet quality standards.

This career is part of the Agriculture, Food and Natural Resources cluster Natural Resource Systems pathway.


A person in this career:

  • Tests and analyzes samples to determine their content and characteristics, using laboratory apparatus or testing equipment.
  • Collects or prepares solid or fluid samples for analysis.
  • Compiles, logs, or records testing or operational data for review and further analysis.
  • Assembles, operates, or maintains field or laboratory testing, measuring, or mechanical equipment.
  • Participates in geological, geophysical, geochemical, hydrographic, or oceanographic surveys, prospecting field trips, exploratory drilling, well logging, or underground mine survey programs.
  • Prepares or reviews professional, technical, or other reports regarding sampling, testing, or recommendations of data analysis.
  • Adjusts or repairs testing, electrical, or mechanical equipment or devices.
  • Plots information from aerial photographs, well logs, section descriptions, or other databases.
  • Prepares notes, sketches, geological maps, or cross sections.
  • Participates in the evaluation of possible mining locations.

Related Careers


Working Conditions and Physical Demands

People who do this job report that:

  • You would often handle loads up to 10 lbs., sometimes up to 20 lbs. You might do a lot of walking or standing, or you might sit but use your arms and legs to control machines, equipment or tools.
  • Work in this occupation involves use of protective items such as safety shoes, glasses, gloves, hearing protection, a hard hat, or personal flotation devices
  • Exposure to pollutants, gases, dust, fumes, odors, poor ventilation, etc.
  • Work in this occupation involves using your hands to hold, control, and feel objects more than one-third of the time
  • Exposed to conditions such as high voltage electricity, combustibles, explosives, and chemicals more than once a month
  • Exposed to hazardous equipment such as saws, machinery, or vehicular traffic more than once a month
  • Work in this occupation requires being inside most of the time
  • Sound and noise levels are loud and distracting
  • Work in this occupation involves making repetitive motions more than one-third of the time
  • Work in this occupation involves sitting more than one-third of the time
  • Work in this occupation involves standing more than one-third of the time

Working in this career involves (physical activities):

  • Identifying color and seeing differences in color, including shades and brightness
  • Seeing clearly at a distance
  • Seeing clearly up close
  • Identifying and understanding the speech of another person

Work Hours and Travel

  • Regular working hours and limited travel

Specialty and Similar Careers

Careers that are more detailed or close to this career:

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  • Electron Microprobe Operator --
  • Environmental Field Services Technician --
  • Environmental Sampling Technician --
  • Laboratory Technician --
  • Materials Technician --
  • Organic Section Technical Lead --
  • Physical Science Technician --
  • Quality Control Technician (QC Technician) --
  • Research Associate --