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A fractal relationship between vein thickness and gold grade in drill core from La Codosera, Spain

Record type: Article

Analysis of quartz vein thicknesses and gold grades in drill core from western Spain indicates that both approximate a power law distribution, suggesting an underlying fractal relationship. Log-log plots of cumulative frequency (N) against vein thickness (t) show systematic changes in relation to gold grade. The exponent D, in a power law of the form N = C t (super -D) , is lower for higher gold grades, indicating that a greater proportion of the dilation is taking place on the thicker veins, which are interpreted as providing interconnected conduits for gold-bearing fluids. Thus, monitoring the vein thickness distribution may provide a means of discriminating mineralized and barren structures in vein-hosted mineral deposits.

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Citation

Sanderson, David J., Roberts, Stephen and Gumiel, Pablo (1994) A fractal relationship between vein thickness and gold grade in drill core from La Codosera, Spain Economic Geology, 89, (1), pp. 168-173. (doi:10.2113/gsecongeo.89.1.168).

More information

Published date: 1 February 1994

Identifiers

Local EPrints ID: 76134
URI: http://eprints.soton.ac.uk/id/eprint/76134
ISSN: 0361-0128
PURE UUID: e5140cee-8e04-408c-9768-fda4cb2f17b8
ORCID for David J. Sanderson: ORCID iD orcid.org/0000-0002-2144-3527
ORCID for Stephen Roberts: ORCID iD orcid.org/0000-0003-4755-6703

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:41

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