Kimberlites and Related Rocks: New Insight into Petrogenesis and Diamond Potential of Deeply-Derived Mantle Magmas
A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Mineral Geochemistry and Geochronology".
Deadline for manuscript submissions: closed (20 June 2024) | Viewed by 15446
Special Issue Editors
2. Sobolev Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
Interests: kimberlites and related rocks; mantle xenoliths and their minerals; inclusions in mantle-derived minerals; intraplate magmatism; mantle melts/fluids; kimberlite indicator minerals; diamonds; experimental petrology
Special Issues, Collections and Topics in MDPI journals
Interests: kimberlites and related rocks; mantle xenoliths and their minerals; composition and evolution of mantle; lithospheric mantle processes; intraplate magmatism; mantle melts/fluids; crystalline/melts/fluids inclusions in minerals; kimberlite indicator minerals; diamonds
Interests: diamonds; mantle rocks and minerals; inclusions in diamonds; carbon; nitrogen; mantle melts/fluids
Special Issues, Collections and Topics in MDPI journals
Interests: composition and evolution of mantle; thermal and redox state of subcratonic lithospheric mantle; mantle rocks and minerals; mineral thermobarometry; mineral oxybarometry; thermodynamics of minerals
Special Issue Information
Dear Colleagues,
Kimberlites are igneous rocks that represent the deepest magmas originated from the mantle (> 150 km). Studies of kimberlites and their crustal and mantle xenoliths provide fundamentally important information about the Earth’s interior beneath ancient cratons. Kimberlites are also economically important, as they are a major source of diamonds. Kimberlites are hybrid rocks consisting of minerals of different origins: xenogenic minerals produced by the fragmentation of foreign mantle and crustal rocks, primary minerals crystallized from kimberlite melt, and later minerals formed during the post-magmatic alteration of kimberlites. The mineralogy of individual kimberlites may be extremely variable and complex. Mantle-derived minerals, such as Cr-pyrope, Cr-spinels, Mg-ilmenite, chromium diopside, and olivine, occurring in kimberlites in significantly higher quantities than diamonds, serve as kimberlite indicator minerals (or diamond indicator minerals) and are used for diamond prospecting, as well as for the primary assessment of whether a target kimberlite body is diamond-bearing or not. Thus, the interpretation of mineralogical data is essential for an understanding of both kimberlite petrogenesis and diamond potential. Rocks allied to kimberlites and occurring within ancient cratons, such as lamproites and lamprophyres, also provide information about deep Earth processes and may contain diamonds. Most diamondiferous kimberlites carry diamonds only from the roots of subcratonic lithospheric mantle, but some rare examples supply so-called ‘super-deep’ diamonds, originated in the sublithospheric mantle. These diamonds are of particular interest at the moment as they provide key primary information about the lowermost upper mantle, the mantle transition zone and even the uppermost lower mantle.
The Editors invite all colleagues to contribute to this Special Issue, which may include any aspects of the mineralogy, petrology and geochemistry of kimberlites and related magmatic rocks of deep-mantle origin (lamproites, lamprophyres, carbonatites, etc.), mantle and crustal xenoliths, and diamonds. Papers focused on any processes beneath ancient cratons and the high-temperature and high-pressure experiments related to the field of the Special Issue topic are also welcome.
Dr. Igor Sharygin
Dr. Alexander Golovin
Dr. Dmitry Zedgenizov
Dr. Anna Dymshits
Guest Editors
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Keywords
- kimberlite
- lamproite
- magma
- melt
- mantle
- crust
- craton
- xenolith
- diamond
- lithosphere
- kimberlite indicator minerals
- placers
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