Publications 1970s 1980s 1990s 2000s 2010 and up

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 ;-)

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Reference in full

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2000

with NO Lotter & CT O'Connor, "The Relative Bias Errors of Gravimetric Fire-Assaying Practice for Platinum-Group Elements in Bushveld Merensky Ore at Rustenburg", SME Annual Meeting, February.

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"Erratic highs -- a perennial problem in resource estimation", SME Annual Meeting, February.

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"Geology and statistics - striking the balance in the real world", MRE21 symposium in honour of Alwyn Annels, Cardiff, Wales, March, (keynote speaker)

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"The Mine Call Factor - conditional bias at its worst", 6th International Geostatistics Congress, Cape Town, RSA, April (poster)

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"EcoSSe - Eco Spatial Statistical evaluation", Envirosoft 2000, Bilbao, Spain, June.

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with W.V. Harper, "Practical Geostatistics 2000",
Ecosse North America, Columbus Ohio, August 2000

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with G.H. Lind (senior author), "Assessing Pillar Geometries in the Witbank and Highveld Coalfields Using Geostatistical Techniques", Coal Indaba, November

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With W.V. Harper, "Practical Geostatistics 2000 -- Answers to Exercises"
(December 2000)

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2001

"Applying Geostatistics in the Real World", IAEG 2001 Weekend Course, Waterford, Ireland, May
[Estimation and classification of mineral resources and ore reserves: the state of the art]

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W.V. Harper, senior author, "Sichel's Compound Poisson", Revista de Estatistica, (the Journal of the Portuguese National Statistical Institute), 2001.

 

 

 

 

 

 

2002

"A practical approach to the application of geostatistical estimation", Environmental Statistics Study Group of the RSS, January [invited speaker]

 

 

 

"Using relationships between measurements to improve prediction: illustrated by a case study in aquifer pollution", in Theoretical developments and applications of spatial analysis in the environmental, earth and agricultural sciences (joint meeting of the British Society of Soil Science and Geostats UK, Reading, March. [invited speaker]

 

 

 

W.V. Harper, senior author, "Geostatistical Analysis in Residential Environmental Testing", ASTM Symposium On Methods For Evaluation Of Hardened Field Concrete, Miami, 2002.

 

 

 

 

 

 

2003

"Geostatistics: estimation or simulation?", IAMG 2003 Portsmouth UK
September 7-12, 2003, invited paper.

 

 

 

With Rebecca Klaus "From point data to density maps: the application of spatial statistics in ecological impact assessment", EcIA Science & Best Practice July 2006, Bath Spa University, England (presentation only)

 

 

 

 

 

 

2006

W.V. Harper, senior author, "Visualization Tools To Aid In The Understanding Of Geostatistics", Proceedings of 7th International Conference on Teaching Statistics, Salvador, Bahia, Brazil, 2-7 July 2006. Editors Allan Rossman, Beth Chance. International Association for Statistical Education and International Statistical Institute, Voorburg, The Netherlands. 2006, ISBN-10:90-73592-24-0

 

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2008

With W.V. Harper, "Practical Geostatistics 2000: Case Studies"

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2009

"Statistics or geostatistics? Sampling error or nugget effect?", Fourth World Conference on Sampling & Blending, The Southern African Institute of Mining and Metallurgy, October 2009.

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official pdf version