1911 Encyclopædia Britannica/Limonite
LIMONITE, or Brown Iron Ore, a natural ferric hydrate named from the Gr. λειμών (meadow), in allusion to its occurrence as “bog-ore” in meadows and marshes. It is nev
Supergene (geology) and something called gossan cap
In ore deposit geology, supergene processes or enrichment are those that occur relatively near the surface as opposed to deep hypogene processes.