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Article: Liberation studies on tin-bearing sands off north Cornwall, U.K.

TitleLiberation studies on tin-bearing sands off north Cornwall, U.K.
Authors
Issue Date1984
Citation
Marine Mining, 1984, v. 5 n. 1, p. 87-99 How to Cite?
AbstractThis is a follow-up to a marine sediment geochemical exploration survey for tin placers off the N coast of Cornwall. Seven samples from the St. Agnes Head/Portreath area were selected from the traverse containing most of the geochemical anomalies for the assessment of Sn liberation characteristics. Heavy liquid separations were carried out on the shell-free fraction of the samples. It was found that above sp. gr. 4.3, Sn is present mainly in the form of monomineralic cassiterite grains and could be considered as liberated and recoverable. In the sp. gr. 3.32-4.3 fraction, tin is locked to a greater degree but could still be partly recoverable. However, in mineral fractions
Persistent Identifierhttp://hdl.handle.net/10722/182391
ISSN

 

DC FieldValueLanguage
dc.contributor.authorYim, WWSen_US
dc.date.accessioned2013-04-29T03:59:58Z-
dc.date.available2013-04-29T03:59:58Z-
dc.date.issued1984en_US
dc.identifier.citationMarine Mining, 1984, v. 5 n. 1, p. 87-99en_US
dc.identifier.issn0149-0397en_US
dc.identifier.urihttp://hdl.handle.net/10722/182391-
dc.description.abstractThis is a follow-up to a marine sediment geochemical exploration survey for tin placers off the N coast of Cornwall. Seven samples from the St. Agnes Head/Portreath area were selected from the traverse containing most of the geochemical anomalies for the assessment of Sn liberation characteristics. Heavy liquid separations were carried out on the shell-free fraction of the samples. It was found that above sp. gr. 4.3, Sn is present mainly in the form of monomineralic cassiterite grains and could be considered as liberated and recoverable. In the sp. gr. 3.32-4.3 fraction, tin is locked to a greater degree but could still be partly recoverable. However, in mineral fractions <sp. gr. 3.32, the bulk of the tin is severely locked in other minerals and is unlikely to be recovered economically. The high proportion of irrecoverable tin in the samples agreed with a mining contamination origin for the deposits. In placers formed under natural circumstances, monomineralic grains of cassiterite are more abundant than locked tin grains (Author's abstract)-R.A.H.en_US
dc.languageengen_US
dc.relation.ispartofMarine Miningen_US
dc.titleLiberation studies on tin-bearing sands off north Cornwall, U.K.en_US
dc.typeArticleen_US
dc.identifier.emailYim, WWS: wwsyim@hku.hken_US
dc.identifier.authorityYim, WWS=rp01746en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0021642252en_US
dc.identifier.volume5en_US
dc.identifier.issue1en_US
dc.identifier.spage87en_US
dc.identifier.epage99en_US
dc.identifier.scopusauthoridYim, WWS=7007024728en_US

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