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English-Thai Dictionary

gossan

N สี สนิม ที่ เกาะ สะสม อยู่ บน วัตถุ

Webster's 1913 Dictionary

GOSSAN

GOSSAN Gos "san, n. (Geol.)

Defn: Decomposed rock, usually reddish or ferruginous (owing to oxidized pyrites ), forming the upper part of a metallic vein.

GOSSANIFEROUS

Gos `san *if "er *ous, a. Etym: [Gossan + -ferous. ]

Defn: Containing or producing gossan.

New American Oxford Dictionary

gossan

gos san |ˈgäsən, ˈgäz -ˌɡɑsən | ▶noun Geology & Mining an iron-containing secondary deposit, largely consisting of oxides and typically yellowish or reddish, occurring above a deposit of a metallic ore. ORIGIN late 18th cent.: of unknown origin.

Oxford Dictionary

gossan

gossan |ˈgɒz (ə )n | ▶noun [ mass noun ] Geology & Mining an iron-containing secondary deposit, largely consisting of oxides and typically yellowish or reddish, occurring above a deposit of a metallic ore. ORIGIN late 18th cent.: of unknown origin.