Mineralogical Association of Canada

Our July issue commences with a headliner on the application of chemical activity modelling to orogenic gold deposits with specific reference to the carbonation of ultramafic rocks, from researchers at Laurentian University (Sudbury, Canada).The significance of reaction rims on iron oxides for kimberlite crystallization is examined by researchers from Dalhousie University (Halifax, Canada) and colleagues, based on evidence from diamondiferous pipes from Botswana.Abdel-Fattah Abdel-Raman examines the origins of raremetal enriched A-type granites from the Nubian Shield in eastern Egypt with an eye on mantle metasomatism.