Definition of gossan in English:
nounGeology & Mining
An iron-containing secondary deposit, largely consisting of oxides and typically yellowish or reddish, occurring above a deposit of a metallic ore.
- In deposits that have been uplifted and exposed on land, the upper sulphides and oxides are invariably oxidized and weathered to a variety of secondary minerals (‘gossan’) by circulating meteoric water.
- Here unusually lustrous crystals to 2.5 cm across occurred in limonite-malachite gossan.
- It was found in gossan from a dump of one of the small mines on the southeastern side of the mountain on the World's Fair claim group.
late 18th century: of unknown origin.
Definition of gossan in:
- British & World English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Australia
Most popular in Malaysia