The Sheahan Diamond Literature Reference Compilation is compiled by Patricia Sheahan who publishes on a monthly basis a list of new scientific articles related to diamonds as well as media coverage and corporate announcements called the Sheahan Diamond Literature Service that is distributed as a free pdf to a list of followers. Pat has kindly agreed to allow her work to be made available as an online digital resource at Kaiser Research Online so that a broader community interested in diamonds and related geology can benefit. The SDLRC Blog is a guest commentary by an industry expert about articles, themes and trends in recent issues of the SDLRC.
Comments by Brooke Clements
Brooke Clements received a B.Sc in Geology from Indiana University and an M.Sc in Economic Geology from the University of Arizona. From 1982 to 1997, he was an Exploration Geologist and Regional Manager for Exmin Corporation where he conducted diamond exploration programs throughout the United States. From 1998 to 2007 he was Vice President, Exploration for Ashton Mining of Canada Inc. Under his leadership, the Ashton-SOQUEM exploration team discovered the Renard diamond district in Quebec where Stornoway Diamonds opened the Renard Diamond Mine in 2016. From 2007 to 2015 he was President of Peregrine Diamonds Ltd. where he led the team that discovered the Chidliak diamond district on Baffin Island in the Canadian Arctic. Currently, Brooke is President of JBC Ventures Ltd., a consulting company specializing in mineral exploration and community and government relations. He is also President and CEO of Craton Minerals Ltd., a private diamond exploration company focused on discovering North America's next new diamond district.
Brooke Clements has volunteered to highlight the scientific articles that caught his attention in the monthly reference compilations. The opinions expressed are solely his and he can be reached at .
With recent "kimberlite" discoveries announced by De Beers, Kennecott and Stornoway north and east of Lake Superior, this abstract from the 2018 Lake Superior Geological Institute meeting held in Iron Mountain, Michigan is topical.
This looks like an interesting paper that addresses how mantle plumes can destroy diamonds in the mantle lithosphere. Using 1100 my old Kyle Lake and 185 my old Attawapiskat fields as examples, they suggest that diamonds destroyed by a plume might regrow and that the time required for that is about 75-120 my.
This study in the Journal of Applied Business and Economics addresses some of the issues many of us at junior companies have faced when raising money to pay for exploration programs. The next time I am in a library, I'll look at it.
This looks like a very rigorous study where ilmenite analyses of at least 100 grains from 54 kimberlites in the Daldyn kimberlite field in Yakutia were used to discriminate different clusters within the field. A good case study for diamond explorers.
There has been a lot of discussion amongst Canadian diamond explorers over the years regarding what the Midcontinent rift or failed arms of it may or may not have done to destroy the diamond-friendly nature of mantle lithosphere north of Lake Superior. This paper discusses the history of the Midcontinent rift system.