Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
gossan .
Etymologies
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Examples
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= A relatively minute portion of the world's iron ore comes from the "gossans" or "iron caps" over deposits of iron sulphides.
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Cruff Gunne may blow, Gam Gonna flow, the gossans eye the jennings aye.
Finnegans Wake 2006
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If the leaching of the Leadville porphyry has not resulted in the formation of alkaline sulphide solutions, and the ore has come from the porphyry in the condition of carbonate of lead, chloride of silver, etc., then the nature of the deposition was quite different from that of the similar ones of Tybo, Eureka, Bingham, etc., which are plainly gossans, and indeed is without precedent.
Scientific American Supplement, No. 446, July 19, 1884 Various
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Yet it is necessary in cases of unusual materials, such as leached gossans, and it is desirable to have it done sooner or later in going mines, as a check.
Principles of Mining Valuation, Organization and Administration Herbert Hoover 1919
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The gossans are formed by oxidation and leaching of other minerals from the deposits, leaving limonite or hematite in concentrated masses (see pp. 46-47).
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New high potential targets have been defined based on the field work of 2009 and include the West Cleaver area, where gossans with significant base metal values have been outlined, and the Chuck Lake area, where copper-rich alteration was discovered.
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The San Miguel prospect consists of massive sulphides that were mined for copper and gossans that were mined for gold between 1860 and 1970.
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The sampling program focused on polymetallic massive sulphide mineralization, gold bearing gossans, and waste dumps from historical mining activities.
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A zone 6.0 km x 2.0 km was identified and is a contact zone between the sediments and the dacite intrusives where iron gossans occur.
unknown title 2009
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A zone 6.0 km x 2.0 km was identified and is a contact zone between the sediments and the dacite intrusives where iron gossans occur.
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