You searched for: “geogenic factor”
geogenic factor (s) (noun), geogenic factors (pl)
An element which originates in the soil: Three geogenic factors originating in the ground are uranium, arsenic, and fluoride, which are very harmful to humans.

Geogenic factors are not those of anthropic or anthropogenic (man-made) origins.

This entry is located in the following unit: geo-, ge- + (page 9)