Gossan (eiserner hut or eisenhut) is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral...

can be identified at various depths. From the surface down they are the gossan cap, leached zone, oxidized zone, water table, enriched zone (supergene...

underground mining operations: Grasberg Block Cave, Deep Mill Level Zone and Big Gossan. The 2023 production was 680,000 tonnes (1,500,000,000 lb) of copper, 52...

quartz Ganister – Hard, fine-grained quartzose sandstone, or orthoquartzite Gossan – Intensely oxidized, weathered or decomposed rock Hyaloclastite – Volcaniclastic...

Eisenhut may refer to: Gossan or iron hat, the oxidized outcrop of sulfide ore deposits Eisenhut (mountain), an Austrian mountain A term for a German kettle...

promotion and enhancement of geotourism. Gossan in Rajpura-Dariba Mineralised belt nearby, consisting of gossan, has been declared the National Geological...

Proprietary Company Limited was organized. Charles Rasp discovered the gossan or weathered sulfide outcrop of massive lead-zinc sulfides on a feature...

the original on 28 June 2006. Retrieved 25 September 2010. "gossan – definition of gossan by the Free Online Dictionary, Thesaurus and Encyclopedia"....

also used in Sweden. The same process, at geological speed, results in the gossan limonite ores. The importance attached to low-sulfur iron is demonstrated...

Iron caps or gossans of siliceous iron oxide typically form as the result of intensive oxidation of sulfide ore deposits. These gossans were used by prospectors...

Iodargyrite Iodargyrite on gossan, Broken Hill Ore Deposit, New South Wales, Australia. General Category Halide minerals Formula (repeating unit) AgI IMA...

Calomel Amber calomel crystals and bright yellow terlinguaite on gossan matrix, 3 mm. across General Category Halide mineral Formula (repeating unit) (Hg2)2+Cl2...

Iron cap may refer to: Gossan - geological formation Iron Dome - missile defense system Iron-cap princes (铁帽子王) noble rank of the Aisin Gioro, founders...

workers. The Freeport geological team claimed that the collapse at the Big Gossan tunnel was caused by erosion of the ceiling, brought about by the continuous...

used during the Gossan Phase. The overall surface mine area will encompass approximately 26 ha. This includes portions of the Gossan Surface Mine which...

the village was named Gbèkèkro, so named after the leader of the Baoulé, Gossan Kwa Gbeke and kro meaning town or settlement of. Bouaké was established...

by vivianite. Some authors say that it is particularly associated with gossan, but this is disputed by Petrov. Associated minerals include metavivianite...

Cooleman Ridge Crace Dunlop Grassland Farrer Ridge Gigerline Goorooyarroo Gossan Hill Gungaderra Grassland Isaacs Ridge Jarramlee Grassland Reserve Jerrabomberra...

the state's fourth-oldest prison still in operation, is located at 109 Gossan Street. It is important to the Far West region, as it allows for imprisonment...

cave floors, and on the bottom of lakes and small creeks. The boxworks or gossan resulting from the oxidation of sulfide ore deposits is formed of goethite...

summit to depths of 1,150 m (3,770 ft). The conical hill has a reddish-brown gossan cap of iron-oxides and quartz, with grayish-blue altered dacite and many...

accompanied by other secondary minerals which form the so-called iron cap or gossan. Hemimorphite is an important ore of zinc and contains up to 54.2% of the...

1126/science.1231160. PMID 23413352. S2CID 29815601. Ott, C. D.; O'Connor, E. P.; Gossan, S. E.; Abdikamalov, E.; Gamma, U. C. T.; Drasco, S. (2012). "Core-Collapse...

was discovered in 1955 and contains the largest gossan zone in the BMC. From 1989 to 1992 the gossan zone was processed for gold and silver. In 1992 copper...

quartz-lined cavities, retaining the shape of the dissolved ore minerals, in gossans. In classical geology or mineralogy these mineral casts would not be called...

confused with limonite or goethite with which it commonly occurs in the gossan (oxidized cap over an ore body). Jarosite is an iron analogue of the potassium...

tabular, reddish-brown wulfenite crystals fills the vug in the geode-like gossan matrix on this specimen Wulfenite specimen from the Mina Ojuela, Mapimi...

gold tailings on the transport and fate of mercury and other metals in Gossan Creek: Murray Brook mine, New Brunswick, Canada". Applied Geochemistry....

Loellingite Sharp, lustrous loellingite (and/or arsenopyrite) crystals to 4 mm on gossan matrix. Locality: Broken Hill Ore Deposit, New South Wales, Australia. Size:...

brownish, or reddish-brown, often glassy and translucent. It may be a gossan, the result of weathering and oxidation of sulfide ores. The International...