Latest Research
New variety of purple gem spinel
Belley & Palke (2021) Purple gem spinel from Vietnam and Afghanistan: Comparison of trace element chemistry, cause of color, and inclusions. Gems & Gemology 57, 228-238. http://dx.doi.org/10.5741/GEMS.57.3.228
UAV exploration for peridot
Belley, Shang & Lake (2020) Gem exploration using a camera drone and geospatial analysis: A case study of peridot exploration in British Columbia, Canada. Journal of Gemmology https://gem-a.com/jog-volume-37-issue-1
gem genesis in metacarbonates (Nunavut)
Belley & Groat (2020) Metamorphosed carbonate platforms and controls on the genesis of sapphire, gem spinel, and lapis lazuli: Insight from the Lake Harbour Group, Nunavut, Canada and implications for gem exploration. Ore Geology Reviews doi:10.1016/j.oregeorev.2019.103259
Gem Spinel genesis (Nunavut)
Belley & Groat (2019) Metacarbonate-hosted spinel on Baffin Island, Nunavut, Canada: Insights into the origin of gem spinel deposits and cobalt-blue spinel. Canadian Mineralogist doi:10.3749/canmin.1800060
Widespread media coverage
New sapphire deposit model (Nunavut)
Belley, Dzikowski, Fagan, Cempirek, Groat, Mortensen, Fayek, Giuliani, Fallick & Gertzbein (2017) Origin of scapolite-hosted sapphire (corundum) near Kimmirut, Baffin Island, Nunavut, Canada. Canadian Mineralogist doi:10.3749/canmin.1700018
Widespread media coverage (including NY Times)