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Introduction to Field Mapping

Geological field mapping is the systematic documentation of rock types, structures, and relationships observed in the field. Purpose of Mapping - Understand geology before drilling - Guide exploration targeting - Support resource estimation - Document for future reference Types of Maps Outcrop Maps Detailed maps of individual exposures at 1:100 to 1:500 scale. Traverse Maps Linear traverses across geological features. Regional Maps Larger scale 1:10,000 to 1:50,000 covering project areas. Essential Equipment - Compass with clinometer - GPS unit - Field notebook - Sample bags - Camera - Hand lens 10x - Rock hammer

Verification resources

Cross-check terminology, classification, methods, and safety with these authoritative external resources.

  • Geoscience maps — Natural Resources Canada. Government bedrock, surficial, geochemical, glacial, and hazard map resources.
  • National Geologic Map Database — U.S. Geological Survey. Geologic maps, reports, standards, and mapping resources from geological surveys.

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