Olga Yakubovich
@OlgaV_YaIsotope geochemistry & ore geochronology
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Our traditional SGA student field trip. This year in Karelia: komatiites, mesoarchean weathering mantle, paleoproterozoic rocks with strong positive 13C anomaly, variolites, PGE deposit and mind-blowing shungite. Thanks to colleagues from KarSciCenter for guiding us!
The first for our student @SergejGavr30621 Arctic Expedition has started! Looking forward for a new set of samples for the Noble Gas studies. Good luck for the TTR-23 team and the crew of the “Akademik Boris Petrov” research vessel
When going through the old archive box in the lab, was lucky to found an old notebook of Prof. Gerling. Seems to be the first notes on the possibility of the K-Ar dating of minerals dated 28 May 1947
Another new example of (U-Th)/He dating of pyrite and the first detailed description of the Paleozoic epithermal mineralization in the Western part of the Altay-Sayan Folded Area (northern part of Central Asian Folded Belt) Congrats @so_lidok @leibna mdpi.com/2075-163X/14/7…
One more example of the successful application of (U,Th)-He method for dating pyrite, and geochronological evidence for presence of pre-ore stratiform mineralization in the host volcanosedimentary rocks. Well done, @ekate_sergeevna escjournal.spbu.ru/article/view/1…
Publishing open access in Elsevier journals might cause serve problems for Russian scientists. Any form of financial support to Ukraine from the rus passport holders is considered as a criminal case in Russia. Be aware!
Congratulations! Three new masters in geochemistry and geochronology! Looking forward to see you as a PhD students soon!
The first Rus conference on Thermochronology in Kazan was a success! Thanks a lot to the organizers and attendees!
Discussion open for comments on @EgUsphere: Short communication: New analytical approach on (U-Th)/He dating of Fe-hydroxide with an example using goethite from the Amerasian Basin, Arctic Ocean doi.org/10.5194/egusph…
experiments with electrolytic etching of sulfides: the process and the result — zoning and relicts of ancient pyrite are revealed
Non-international “37th International Geological Congress”. Guess the first ever case in 150 years of its history…
First screening of the new 2024 year collection of the cosmic dust particles/micrometeorites from the freshly fallen snow in the vicinity of the Vostok station, Antarctica
The oldest wall version of periodic table of elements. It was installed upon the request of D. Mendeleev in the Large Chemical Auditorium, Saint-Petersburg University in 1876. Notably it doesn’t have the VIII group, as the noble gases were not yet discovered
Our contribution to promotion of geochemistry and geochronology: «Picture of the World with Mikhail Kovalchuk – Land of minerals: geochronology» smotrim.ru/video/2772411
First all-russian conference on Thermochronology will be held in Kazan, 15-18 May, 2024 in hybrid format. Abstract submission is open. Language: Russian & English. No registration fee. For more details: geothermoconf@yandex.ru
It is the first Finnigan MS in the Soviet Union. It was taken to the Institute of Precambrian Geology and Geochronology (IPGG) RAS right from the international Expo that took place at Leningrad in 1986. That was a big thing
The manuscript (1938) which describes the set for measurements of microquantities of He. In 1941 the instrument was used for (U,Th)-He dating of 2–3 mm size grains of Perovskite from the Afrikanda deposit. The age 358–385 Ma corresponds to its modern age estimations (375±5 Ma)
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Who to follow
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Prof. Fred Jourdan
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Brian O’Driscoll
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The Isotoparium
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Sarah Lambart
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Tim E Johnson
@early_earth_tim -
Nick Roberts
@nickmwroberts -
Jonas Kämpf
@jonas_kampf -
Urs Schaltegger
@schalteg -
Isotopx
@Isotopx_MS -
Etienne Médard
@EtienneMedard -
SUERC Noble Gas Laboratory
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Erik Haroldson
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Max Dröllner
@MaxDroellner -
Dr. Kennet E Flores
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Lidia Sokolova
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