Geostokos Limited -
Specialists in Ore Reserve Estimation



The People



Short Courses

Sister Company
Non-mining and educational services

Geostokos Limited is an independent consultancy company based in Scotland and providing expert services and software for the minerals industry worldwide.

For 33 years Geostokos has offered totally independent advice, integrity and competency in the field of mineral resource and ore reserve estimation.

Geostokos specialises in mineral resource and reserve estimation from pre-feasibility stage through to production grade control. In the 24 years since Geostokos was set up, we have provided expert advice on projects ranging from coal through base metals to gold, platinum and diamond applications.

Our involvement in projects ranges from the public statement of resources and reserves to stope valuation from face sampling. Our contribution may vary from review of work already carried out through to complete involvement in reserve estimation.

 Contact Information

Dr Isobel Clark
Geostokos Limited,
Alloa Business Centre,
Whins Road,
Alloa FK10 3SA
Central Scotland
Tel: +44 773 663 1632


The statistical and geostatistical techniques used are equally applicable to many other spatial phenomena. Geostokos has been involved in environmentally oriented projects such as the storage of high level nuclear waste and the de-toxification of contaminated groundwater.

Geographically, we have been involved in deposits around the world, including the USA and Canada, the CIS, Australia, South America and Africa. In size, projects have varied from 100,000 to more than 2 billion tonnes.