Publications 1970s 1980s 1990s 2000s 2010s

Isobel Clark

Personal web page / Geostokos Limited web page / Geostokos (Ecosse) Limited web page

Pdfs of some papers are available, by clicking on the link next to the reference. Papers are also available as web pages. Some of them may take a while to load as I tend to use a lot of pictures ;-)

If you have any problems with these, please contact me

Clicking links will open new web browser, so if you have a popup blocker you may have to make adjustments, or copy down the link……………………



Reference in full








"Statistics or geostatistics? Sampling error or nugget effect?", The Journal of The Southern African Institute of Mining and Metallurgy, Vol 110, pp.307 - 312, June 2010


official pdf version

In Press, 2015

 With W.V. Harper, "Practical Geostatistics 2000 -- Volume 2"




"Regression Revisited (again)", The Journal of The Southern African Institute of Mining and Metallurgy, Vol. 115 January 2015 pp.45 - 50 [to be presented at Danie Krige Memorial Meeting, August 2015}.

Manuscript Word Document

published paper






and here it is as it will appear at The Danie Krige Geostatistical Conference "Geostatistical Geovalue Rewards and Returns for Spatial Modelling", Crowne Plaza, Johannesburg · 19–20 August 2015

presentation at conference

paper in proceedings






"Underground bulk sampling, uniform conditioning and conditional simulation - unrealistic expectations?", keynote to be presented at Eighth World Conference on Sampling and Blending, Perth, Western Australia, May 2017.

Sorry to disappoint, no Uniform Conditioning in this one. See below!


draft paper pdf 






"Small blocks from bigger blocks: Uniform Conditioning or Conditional Simulation?", to be presented at IAMG 2017, Fremantle, Western Australia, September 2017 (abstract submitted but not yet accepted).