Lithospheric mantle heterogeneity beneath the Siberian craton: Evidence from garnet xenocryst database with implications for kimberlite compositions

SI Kostrovitsky, S Tappe, DA Yakovlev, AS Ivanov… - Gondwana …, 2024 - Elsevier
This contribution reports some 16,000 major and minor element analyses of garnet
xenocrysts derived from 18 (out of the 21 known) kimberlite fields of the Yakutian Kimberlite …

[PDF][PDF] Thermal perturbations in the lithospheric mantle as evidenced from PT equilibrium conditions of xenoliths from the Udachnaya kimberlite pipe

NS Tychkov, AM Agashev, EV Malygina… - Doklady Earth …, 2014 - researchgate.net
Granular garnet harzburgite–dunites are wide spread throughout the CLM sequence
sampled in kimberlites of the Udachnaya pipe. According to our data, granular garnet …

Kimberlitic Magmatism in the South-Western Flank of the Vilui Basin

VP Afanasiev, NP Pokhilenko, VS Grinenko… - Doklady Earth …, 2020 - Springer
We have analyzed 141 grains of pyrope from Neogene sediments in a quarry of construction
materials, in the Kenkeme River catchment, along its left-side tributary (Chakiya River) …

Middle Paleozoic kimberlite magmatism in the northeastern Siberian craton

EO Egorova, VP Afanas' ev, NP Pokhilenko - Doklady Earth Sciences, 2016 - Springer
The mineral chemistry and crystal morphology of kimberlite pyropes from the Billyakh River
placer in the northeastern Siberian craton are characterised in terms of the placer history …

Lithospheric Refertilization Trends in Xenoliths and Xenocrysts from the Udachnaya Kimberlite (Siberian Craton)

NS Tychkov, AM Agashev, NP Pokhilenko - Doklady Earth Sciences, 2021 - Springer
Comprehensive studies of peridotitic xenoliths from the Udachnaya kimberlite (Yakutian
diamond province, Siberian craton) confirm that garnet shows inverse correlation of its …

Mineralogical zoning of the diamondiferous areas: Application experience of paragenetic analysis of garnets from kimberlites

DA Samdanov, VP Afanasiev, NS Tychkov… - Doklady Earth …, 2016 - Springer
Mineralogical Zoning of the Diamondiferous Areas: Application Experience of Paragenetic
Analysis of Garnets from Kimberlites Page 1 ISSN 1028 334X, Doklady Earth Sciences, 2016 …

Stability of kimberlite garnets exposed to chemical weathering: Relationship with Cr contents

VP Afanasiev, OV Snegirev, NS Tychkov… - Doklady Earth …, 2013 - Springer
The dissolution stability of garnets from kimberlite has been studied in new experiments in
which etching in HF simulated natural chemical weathering. The experiments lasted 42 days …

[PDF][PDF] Estimation of the refertilization grade of lithosphere roots by the chemical composition of garnets from Siberian kimberlites

NS Tychkov, AM Agashev, NP Pokhilenko… - Doklady Earth …, 2011 - academia.edu
TYCHKOV et al. rysts, which are abundant in kimberlites and represent, according to current
concepts, the products of decomposition of the lithosphere mantle rocks. Pyropes belonging …

[PDF][PDF] About kimberlite indicator minerals in the Triassic tuffs of the Tunguska sineclise

VP Afanasiev, NS Tychkov, NP Pokhilenko… - Doklady Earth …, 2010 - researchgate.net
Fig. 2. The collective diagram of the distribution of the KIMs with varying exogenic
evolution:(1) KIM with severe mechanical wear from an intermediate reservoir;(2) KIM with …