Dr. Abdi Mohamoud Siad

Department Staff - Academic Staff

Senior Lecturer

Tel: +27 (0)21 959 2135

Fax: +27 (0)21 959 1317

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Exploration geochemistry, Environmental Geochemistry, Chemostratigraphy, GIS, Remote sensing and Geostatistics

Short autobiography

  • Laurea (Geology) from Somali National University, Mogadishu, Somalia in 1982.
  • Postgraduate Diploma and MSc in Mineral Exploration from ITC, Delft, The Netherlands in 1987 and 1988, respectively .
  • PhD in applied Geochemistry from Technical University of Berlin, Germany in 1994.

Research Interest

  • GIS Prospectivity and subsurface geological mapping in lateritic covered areas: Integration of geochemical, geological and geophysical data.
  • Mineral exploration using infrared spectroscopy.
  • Remote sensing drill core characterization.
  • Application of hyperspectral remote sensing to mapping mine waste on Abandoned mines and contaminated land
  • Multi-temporal satellite images for forest reclamation monitoring in the abandoned mine areas


Current Projects

  • Application of Multivariate statistics and GIS to map groundwater quality and radioactivity in the Beaufort West area, South Africa.
  • Geochemical Characterisation of platreef lithologies and associated base metal sulphide and platinum group element (PGE) mineralisation, northern Limb of the Bushveld Complex.
  • Acid Mine Drainage Prediction Methodologies and Geochemistry Modelling Development


G. Matheis, D. Pudlo, A. Siad and A. Utke (1995): Einsatze der Wellenlängen-dispersiven RFA in der Umweltanalytik -Fallstudie „ Rieselfelder“ Diskussiontagung, „Fortschritte und Problem in der Umweltanalytik“, 13-14 November 1995, Berlin, D-17.

G. MATHEIS, A. SIAD, & G. ADERHOLD, 1995: Geogen-anthropogene Zustandsanalyse und Gefährdungsabschätzung potentieller Schwermetall-Mobilisation. - unveröffentl. Abschlußbericht "Rieselfelder Süd", 46 S. & Anlagen, FG Hydrogeologie, TU Berlin.

G. Matheis, A. Siad, A. Utke and W. Glaesser (1994): Environmental monitoring in the Saale flood plain of Central Germany-An integrated mineralogical-geochemical approach. Deutsche Kultur- und Wissenschaftstage, Alexandria, Egypt.

A. Siad (1994): Geomathematical evaluation of trace element patterns in lateritic soils above Late Proterozoic basement units of Nigeria, West Africa. Berliner geowiss. Abh., A, 159, 122 pp., Berlin.

A. Siad, G. Matheis, A. Utke and H. Burger (1994): Discriminant analysis as a geochemical mapping technique for lateritic covered areas of southwestern and central Nigeria. ITC Journal 1994-1, Special CODATA Issue, 7-12, Enschede.

A. Utke, A. Siad and W. Koch (1993): Geomathematical optimization of landsat- TM satellite data for geological mapping in an island arc/ophiolite environment of the Red Sea Hills, Sudan. In: Thorweihe, U. & Schandelmeier, H. (eds), Geoscientific Reseach in northeastern Africa, 117-120, Balkema, Rotterdam.

A. Siad, G. Matheis, A. Utke and D. Küster (1993): Geomathematical re-interpretation of litho- and pedochemical mapping in lateritic environment- case study in the tin fields of Nigeria/West Africa. Abstract P. 169 " 16th International Geochemical exploration Symposium", Sept. 1993, Bejing, China.

G. Matheis, C. Schreier, A. Siad, A. Utke and W. Glaesser (1993): Environmental monitoring of combined heavy metal/organic pollution in central Europe- an integrated mineralogical- geochemical approach in the Bitterfeld-Halle industrial region. Abstract P.128. "16th International Geochemical Exploration Symposium", Sept. 1993, Bejing, China.

G. Matheis, C. Schreier, A. Siad and R. Bussert (1993): Multi-element distribution pattern in the Nubian strata of Egypt and Sudan: geochemical application for stratigraphic correlation and facies analysis. Proc. "IFP/Eurothethys Research Conference Pre-Tethyan Platform" March 23-25, 1993, Arles, France.

G. Matheis, A. Utke, D. Pudlo and A. Siad (1993): Der Einsatz der Wellenlängen-dispersiven RFA zur Erfassung mineralogischer und geochemischer Kenndaten in der Umweltanalytik.-PHILIPS-Symposium "Röntgenfluoreszenanalyse", Nürnberg-Fischbach. Bericht der Arbeitsgruppe Angewandte Geochemie Fachbereich Bergbau und Geowissenschaften TU Berlin. 6S.

A. Siad and G. Matheis (1992): Lateritic soil pattern above Late-Proterozoic meta-volcanic sequences in Nigeria: A geomathematical approach related to rare-metal mineralization. Abstract P. A103 " Geochemical Mapping Symposium" Goldschmidt Conference in Reston, Virginia 8-10, 1992.

A. Siad (1991): Multivariate statistical techniques used to enhance interpretation of geochemical data from west African lateritic soils. Proc. "Eurolat 91 " 5th International meeting", August 23-24, 1991, Berlin, Germany. pp. 164-171.

G. Matheis, A. Utke, C. Schreier and A. Siad (1990): Regional geochemical soil mapping in the tropical environment of west Africa: Bedrock reflection and resource assessment of Proterozoic volcano-sedimentry sequences. Proc."International Symposium on Geochemical Prospecting", Prague, Czechoslavakia.

A. Siad (1989): Application of geostatistical techniques in the evaluation of Wabo uranium deposit, Galgudud region, central Somalia. ITC Journal 1989-1, Enschede.




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