Cohen_2
Associate Professor David Cohen
MSc Queens Ca, PhD UNSW
Role: 
Head of School and Deputy President of the Academic Board
Field of Research: 
Exploration and environmental geochemistry
Contact details:
Phone: 
+61 2 9385 8084
Office: 

Room 609
Biological Sciences Building (D26)
UNSW, Kensington 2052

Research & Current Projects


 Research Interests

  • Exploration and Environmental Geochemistry
  • Biogeochemistry,
  • Regional geochemical mapping
  • Selective geochemical extractions,
  • Data processing
 Current Projects

 A Geochemical Atlas of Cyprus (Geol Surv Dept of Cyrpus)

  • Geochemical exploration on Woodlark Island, PNG (Woddlark Mining Ltd)
  • Geochemical dispersion processes at Mandamah, NSW 
 Affiliations
  • Past-President, (Int'l) Association of Applied Geochemists

  • Member, Geological Society of Australia

 Visiting Appointments

  • 1997 Colorado School of Mines;

  • 2002 Canadian Geological Survey.

  • 2002 CSIRO Exploration and Mining

See also:

https://research.unsw.edu.au/people/associate-professor-david-ronald-cohen

  

Research Students


Current

Ksenia Chistyakova (MPhil candidate) – Mapping of structures using soil helium patterns

Oliver Delves (MPhil candidate) – Geochemistry of the Morning Start Au deposit, Victoria

 

Past

Iain Dalrymple (PhD) - Optimisation of selective geochemical extraction methods

Ahmad Reza Mokhtari (PhD) - Geochemical dispersion through transported regolith

Morteza Jami (PhD) - Genesis of the Esfordi phosphate deposit, Iran
 
 

Teaching


GEOS3141 Mineral & Energy Resources (Course Coordinator)

GEOS3281 Environmental & Contaminent Geochemistry (Course Coordinator)

 

Publications



BOOKS

Cohen DR, Rutherford NF, Morisseau E and Zissimos AM, 2011.The Geochemical Atlas of Cyprus. UNSW Press, Sydney.

 

CHAPTERS IN BOOKS

Cohen DR and Bowell, RJ (in press).Exploration Geochemistry. In: Scott SD (Ed) Treatise on Geochemistry Volume 11Geochemistry of Mineral Deposits. Elsevier. ISBN 978 174223 306 2

Cohen DR(2008). Protocols for the trace element analysis of biomass. CCSD Biomass Cofiring Handbook,CRC for Coal and Sustainable Development.

Cohen DRand Dunlop AC, 2005. The Timbarra Gold Deposit, New England Region, NSW. In:Butt CRM, Robertson IDM, Scott KM and Cornelius M, eds., CRC LEME, Regolith Expressions of Australian Ore Deposits. Optima Press.ISBN 1 921039 28 0.

Cohen DR, Dunlop AC and Shen XC, 2005. The Mragelli Pb-Zn prospect, Cobar In:Butt CRM, Robertson IDM, Scott KM and Cornelius M, eds., CRC LEME, Regolith Expressions of Australian Ore Deposits. Optima Press.ISBN 1 921039 28 0.

Cohen DR, Dunlop AC, Pringle I, and Elliot J, 2005. The Bowdens Ag-Pb-Zn Deposit, Lue, NSW. In: Butt CRM, Robertson IDM, Scott KM and Cornelius M, eds., CRC LEME, Regolith Expressions of Australian Ore Deposits. Optima Press.ISBN 1 921039 28 0.

McHugh GR, Cohen DR, Dixon E, Mooney SD and Rutherford NF, 1998. The Geochemistry of Pond Sediments in Centennial Park, Botany Basin, Sydney. In:G.H. McNally and J. Jankowski (Eds), Environmental Geology of the Sydney Basin. Geological Society of Australia. ISBN 1 876315 15 6

Cohen DR, Rutherford NF, Dunlop AC and Alipour S, 1996. Geochemical Exploration in the Cobar Region, In: Cook WG, Ford AJH, McDermott JJ, Standish PN, Stegman CL and Stegman TM (eds), The Cobar Mineral Field - a 1996 Perspective, Melbourne, Australian Institute for Mining and Metallurgy, 125-155. ISBN 1 875776 39 7.

Ward CR, Crouch A and Cohen DR, 1997. Identification of friction ignition potential for rocks in Australian coal mines. In: R Doyle, J Moloney, J Rogis and M Sheldon, eds., Safety in Mines: the Role of Geology. Coalfield Geology Council of NSW, Newcastle, 169-175.

 

REFEREED JOURNAL PUBLICATIONS AND CONFERENCE PAPERS

Cohen DR, Rutherford NF, Morisseau E. and Zissimos AM (2012). Geochemical patterns in the soils of Cyprus.Science of the Total Environment,420, 250–262.

Cohen DR, Kelley DL, Anand RR, and Coker WB, 2010.Major Advances in Exploration Geochemistry, 1998 –2007. Geochem: Explor. Environ. Anal. 10, 3–16.

Mokhtari AR, Cohen DR and Gatehouse SG, 2009.Geochemical effects of deeply buried Cu–Au mineralization on transported regolith in an arid terrain. Geochem: Explor. Environ. Anal. 9, 227–236.

Mokhtari AR, Cohen DR, and Gatehouse SG, 2009.Geophysical support for geochemistry in detecting deeply buried mineralization: a case study from Mandamah, Australia. Explore 145.

Jami M, Dunlop AC and Cohen DR, 2009.Fluid inclusion and stable isotope study of the esfordi apatite-magnetite deposit, central Iran - A reply.Economic Geology, 104:140-143.

Cohen DR, Kelley DL, Anand R and Coker WB, 2007, Major Advances in Exploration Geochemistry, 1998-2007. In: K. Witherley (ed.) Proceedings of Exploration ‘07, Toronto, Sept 10-12. Keynote Paper. (Paper likely to be republished in GEEA).

Jami M, Dunlop AC and Cohen DR, (2007). Fluid inclusion and stable isotope study of the Esfordi apatite-magnetite deposit, central Iran. Economic Geology, 102:72-93.

Cohen DR, Dunlop AC and Rose T, 2005, Contrasting dispersion patterns for gold in stream sediments at Timbarra, NSW, Australia. Journal ofGeochemical Exploration, 85:1-16.

Dalrymple IJ, Cohen DR and Gatehouse SG, 2005, Optimisation of partial extraction chemistry for an acetate leach. Geochemistry: Exploration, Environment and Analysis, 5:279-285

Malik IA, Cohen DR and Dunlop AC, 2005, Geochemical aspects of the geochemistry of uranium in the Sumayar Valley, northern areas of Pakistan. Geological Bulletin of the University of Peshawar, 37:1-25.

Shen W and Cohen, DR, 2005, Fractally invariant distributions and an application in geochemical exploration. Mathematical Geology. 37:895-909.

Cohen DRand Waite TD, 2004, Interaction of Au (III)-chloride with goethite, smectite and kaolinite.Geochemistry: Exploration, Environment,Analysis, 4:279-287.

Ward CR, Crouch A and Cohen DR, 2001, Identification of potential for methane ignition by rock friction in Australian Coal Mines. Submitted to International Journal of Coal Geology, 45:91-103.

Clare AP and Cohen DR, 2001. An unsupervised neural network approach to the analysis of multi-element stream sediment data, Northeastern NSW, Australia.Geochemistry: Exploration, Environment, Analysis,1:119-134.

Cohen DR, Silva-Santisteban CM, Rutherford NF, Garnett DL and Waldron HM, 1999, Comparison of biogeochemical and stream sediment geochemical patterns in the north eastern region of NSW. Journal of Geochemical Exploration,66:469-489.

Ward CR, Taylor JC and Cohen DR, 1999. Quantitative mineralogy of sandstones by X-ray diffractometry and normative analysis. Journal of Sedimentary Research,69:1050-1062.

Cohen DR, Shen XC, Dunlop AC and Rutherford NF, 1998, A comparison of selective extraction soil geochemistry and biogeochemistry in the Cobar Area, New South Wales. Journal of Geochemical Exploration, 61:173-190.

Alipour S, Cohen DR and Dunlop AC, 1997, Geochemical characteristics of lag in the Cobar Area, N.S.W. Journal of Geochemical Exploration, 58:15-28.

Cohen DRand Beck RW, 1995, A new type of synthetic geochemical standard - SynTERM. The Analyst, 120:1378-1384.

Alipour S, Dunlop AC and Cohen DR, 1995, Morphology of lag in the Cobar region, NSW, Australia. AGSO Journal of Australian Geology and Geophysics, 16:253-262.

Neef G, Bottrill RS and Cohen DR, 1995, Mid and Late Devonian sheet-flood, braided stream, and braided river deposited arenites in the northern Barrier Ranges, far western New South Wales, Australia. Sedimentary Geology, 103:39-61.

Cohen DRand Ward CR, 1992, Sednorm - A program for determining sedimentary mineral compositions from chemical data. Computers and Geosciences,17:1235-1254.

Cohen DR, Booth GW, Govett GJS and Beck RW, 1992, A statistical and analytical approach to the sizing of particulate gold. Journal of Geochemical Exploration,43:1-25.

Ward CR, Cohen DR, Crouch A, Panich D, Schaller S and Dutta PK, 1991. Assessment of methane ignition potential by frictional processes from Australian coal mine rocks. Mining Science and Technology, 13:1-25.

Cohen DR, 1989. Goldcalc - A FORTRAN program for estimating number and size of gold particles in geological samples. Computers and Geosciences,17:153-161.

Cohen DR, Hoffman EL and Nichol I, 1987. Biogeochemistry: A geochemical method for gold exploration in the Canadian Shield. Journal of Geochemical Exploration, 29:49-73.

 

REFEREED GOVERNMENT REPORTS

Cohen DRand Rutherford NF, 2010., The Geochemical Atlas of Cyprus: Final Report to the Geological Survey Department of Cyprus. 4 volumes.

Dalrymple IJ, Gatehouse SG and Cohen DR, 2002, Evaluation of Selective Geochemical Extractions for Detecting Mineralisation under Thick Transported Regolith, Mandamar, NSW.  CSIRO report to AurionGold Ltd.

Cohen DR, Rutherford NF, Garnett DG and Waldron HM, 1995. Geochemical Survey of the Upper NE Region of NSW. Geological Survey of New South Wales and the Natural Resources Audit Council. 2 volumes.

 

CONFERENCE ORAL PAPER PRESENTATIONS

Cohen DR, 2011. Geochemical Mapping - The Analytical Perspective. Symposium on the release of the Geochemical Atlas of Cyprus, Lefkosia, Sept 5 – 7, 2011.

Cohen DR, Rutherford NF, Morisseau E and Zissimos AM, 2011.The Geochemical Atlas of Cyprus: Project Overview. Symposium on the release of the Geochemical Atlas of Cyprus, Lefkosia, Sept 5 – 7, 2011.

Cohen DR, Rutherford NF, Morisseau E and Zissimos AM, 2011.Geochemical Characteristics and Processes in the Regolith of Cyprus. Symposium on the release of the Geochemical Atlas of Cyprus, Lefkosia, Sept 5 – 7, 2011.

Cohen DR, Rutherford NF, Morisseau E and Zissimos AM, 2011.How Much Influence do Humans Exert on Regional Geochemical Patterns? – The Cyprus Case. 25th International Applied Geochemistry Symposium, Rovaniemi, Aug 21 – 26, 2011.

Cohen DR,2011.Geochemical Sampling at Site to National Sclaes. Sampling Australia,Perth, June 1 – 2, 2011.

Cohen DR, 2009. Geochemistry and the challenge posed by exotic cover. SMEDG–AIG Symposium on New Exploration Technologies, 11 Sept, Sydney, 2009.

Cohen DRand Rutherford NF, 2007, Regolith Characteristics of Cyprus. 23rdInternational Applied Geochemistry Symposium, Oviedo, June 14 – 19, 2007.

Mokhtari AR, Cohen DR and Gatehouse SG, 2009. Detection of deeply buried mineralisation using ground conductivity and pH measurement. 24th International Geochemical Exploration Symposium, Fredericton, June 2 –7, 2009.

Cohen DRand Siegele R, 2005, Differential effects of selective geochemical extractions within plumbojarosite.22ndInternational Geochemical Exploration Symposium, June 19-23 Sept, Perth, 2005.

Dalrymple IJ, Cohen DR and Gatehouse SG, 2005, An alternative approach to geochemical leaching: The pink leach. 22ndInternational Geochemical Exploration Symposium, June 19-23 Sept, Perth, 2005.

Cohen DR, Skillicorn DB, Gatehouse SG and Dalrymple IJ, 2003, Signature detection in geochemical data using singular value decomposition and semi discrete decomposition. 21st International Geochemical Exploration Symposium, Dublin, May 2003.

Cohen DR, Dunlop AC and Rose T, 2001, Factors controlling the dispersion of gold in streams at Timbarra, NSW.  20th International Geochemical Exploration Symposium, Santiago, May, 2001.

Cohen DR,Dunlop AC and Shen XC. 2000 Contrasting geochemical and mineralogical patterns in residual and transported regolith in the Cobar region, NSW. Central West Symposium, Cobar 2000: Geology, Landscapes and Mineral Exploration, 17-19 Apr, Cobar, 2000.

Shen XC, Dunlop AC and Cohen DR, 1999, Geochemical dispersion in residual and transported regolith along drainage systems near the CSA mine, Cobar, New South Wales. In: GF Taylor GF and C Pain (Eds), New Approaches to an Old Continent, CRC LEME, Wembley, WA. 263-270.

Cohen DR, Rutherford NF, Shen XC and Dunlop AC, 1999. Some comments on the use of selective extractions in geochemical exploration in arid terrains. Selective extractions short course in association with 19th International Geochemical Exploration Symposium, Vancouver, 12-16 Apr, 1999.

Cohen DR, Silva-Santisteban CM, Rutherford NF, Garnett DL and Waldron HM, 1999. A comparison of vegetation and stream sediment geochemistry in northeastern New South Wales, Australia. 19th International Geochemical Exploration Symposium, Vancouver, 12-16 Apr, 1999.

Clare AP and Cohen DR, 1999. An unsupervised neural network approach to the analysis of multi-element stream sediment data, northeastern NSW, Australia.  19th International Geochemical Exploration Symposium, Vancouver, 12-16 Apr, 1999.

Shen XC, Cohen DR and Dunlop AC, 1999. Geochemical patterns from various extraction methods in residual and transported regolith in the Cobar Region, NSW, Australia. 19th International Geochemical Exploration Symposium, Vancouver, 12-16, Apr, 1999.

Shen XC, Dunlop AC and Cohen DR, 1999. Characterization of residual and transported regolith profiles using the PIMA II. 19th International Geochemical Exploration Symposium, Vancouver, 12-16, Apr, 1999.

Cohen DR, Kelley DL and Clark JR, 1997. Selective geochemical extractions - balancing selectivity and kinetics.  Geoanalysis '97, 1-4 July, Vail, 1997.

Alipour S, Cohen DR and Dunlop AC, 1995. Geochemical characteristics of lag in the Cobar Area, N.S.W. 17th International Geochemical Exploration Symposium, Townsville, May, 1995.

Clark JR and Cohen DR, 1995. Innovative enzyme leach provides overburden penetration, 1995. Abstract, 17th International Geochemical Exploration Symposium, Townsville, May, 1995.

Alipour S, Dunlop AC and Cohen DR, 1994. Morphology of lags in the Cobar area, N.S.W. Regolith '94 Conference, Broken Hill, 13-17 Nov, 1994.

Beck RW and Cohen DR, 1994. A new type of synthetic geochemical standard - SynTES. Geoanalysis '94, 19-24 Sept, Ambleside, UK, 1994.

Cohen DR and Beck RW, 1993. Development of synthetic chemical standards for use in exploration and environmental geochemistry. 16th International Geochemical Exploration Symposium, 12-16 Sept, Beijing, 1993.

Ward CR, Crouch A, Panich D, Cohen DR and Schaller S, 1990. Gas ignitability by friction effects from Australian coal mines. 24th Newcastle Symposium on "Advances in the Sydney Basin". 23-25 March, Newcastle, 1990.

 

Computer Software

Emergent Technologies, 2000, Minator – MINeral Analysis Through Oxide Reduction, V1.1.3 for Windows. Swann Rd, Taringa, Qld, 4068. Based on Sednorm (Cohen and Ward, 1992).