Linked from
The 9 pages that link to Field geology, each with the reason it gives.
Mohs scaleRelated: Scratch comparisons provide a portable way to assess minerals in the field.
Friedrich MohsRelated: A scratch test lets geologists make quick hardness estimates in the field.
Emi KoussiRelated: Its remote volcanic terrain offers a natural site for geological mapping.
GeologistRelated: Fieldwork supplies the direct evidence that geological interpretations depend on.