On May 8, 2023, Chief geologist of Sergey Grakhanov celebrated 50 years of work in diamond geology, among his achievements were the discovery of placers of the Ebelyakh river basin (Ebelyakh, Gusinaya, Yraas-Yuryakh, ruch. 53), the Bolshaya Kuonamka and Talakhty placers, the first kimberlite pipes in the Ebelyakh field, ancient Roman and Karian placers in the Arctic zone of Yakutia, 5 monographs, 86 published articles, more than 30 production projects and reports. Discoverer of diamond deposits, Doctor of Geological and Mineralogical Sciences, Honored Geologist of the Republic Sakha (Yakutya).
ALMAR team congratulates Sergey Grakhanov on his professional anniversary, wishes him further success and new discovered diamond deposits!
The Russian Geological Encyclopedia, which included him among the outstanding prospectors of the subsoil, describes his contribution to diamond geology in this way:
” Sergey Alexandrovich Grakhanov … is one of the creators of the mineral resource base of diamond placers in Yakutia. Graduated from Perm University. Responsible executor of prospecting and exploration works of the Ebelyakh, Bolshaya Konamka and other river basins, as a result of which diamond-bearing placers were identified, the Ebelyakh, Gusinaya, Yraas-Yuryakh, Molodo, Talakhtakh, Bolshaya Kuonamka placers were explored and transferred to industrial development. In his doctoral dissertation, he developed the features of formation, patterns of placement, relationship with the root sources of diamond placers in the northeast of the Siberian Platform…”
Sergey Grakhanov is one of the founders, as well as one of the main shareholders of ALMAR. As the chief geologist, he ensures the effective planning of the company’s mineral resource base and the management of exploration work from the very beginning of its activities. Despite the many regalia, he continues to be a prospecting geologist in his spirit, taking direct part in search and evaluation work in difficult field conditions of the Arctic.
Sergey Grakhanov’s experience and qualifications ensured the company’s steady implementation of exploration plans and confirmation of forecasts of the mineral resource base in difficult external conditions. His work together with the work of other high-level professionals in the ALMAR team give confidence in achieving excellent results that will lead the company to success.
Materials related to the activities of S.A. Grakhanov:
- An Interview with ALMAR Chief Geologist Sergey Grakhanov about diamond exploration in the north of Yakutia (in English)
- The origin of the Bulgur deposit, on the territory of which the Khatystakh license area is located. Article by Sergey Grakhanov, Deputy General Director, Chief Geologist of PJSC ALMAR and other authors in the journal “Geology and Geophysics”. Issue #4, April 2022 (In Russian).
- Placer deposits of diamonds in Russia. S.A. Grakhanov and other authors, 2007. A voluminous work in which materials on the geology of diamond placers in Russia were summarized and analyzed.