Results 21 to 30 of about 5,988 (208)

Large Igneous Province Record Through Time and Implications for Secular Environmental Changes and Geological Time‐Scale Boundaries

open access: yesGeophysical Monograph Series, Page 1-26., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Richard E. Ernst   +8 more
wiley  

+5 more sources

Material aspects of kimberlite rocks productivity

open access: yesМінеральні ресурси України, 2017
Most of investigated kimberlite diatremes of the Siberian platform represent multiphase pipes. Each magmatic phase of intrusion, formed inside diatremes, is composed by kimberlites with specific petrographic and petrochemical type possessing a number of ...
M. M. Zinchuk
doaj   +2 more sources

Plume genesis of non-kimberlite diamonds

open access: yesЛитосфера, 2015
Calculations shown that a relatively low-temperature kimberlite magmas consolidated with decompression exploded on significant depth and formed pipes.
V. S. Shkodzinskiy
doaj   +3 more sources

Phase Diagrams of Carbonate Materials at High Pressures, with Implications for Melting and Carbon Cycling in the Deep Earth

open access: yesGeophysical Monograph Series, Page 137-165., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Konstantin Litasov   +3 more
wiley  

+5 more sources

In situ U–Pb age determination of apatite from carbonatite and kimberlite in the Batain Basin, eastern Oman

open access: yesFrontiers in Earth Science, 2023
Northeastern Oman is characterized by carbonatite and kimberlite complexes, which are the ideal samples for studying the relationship between carbonatite and kimberlite. However, the ages of the Oman kimberlite and carbonatite complexes are still unknown,
Jing Sun   +3 more
doaj   +1 more source

A mantle origin for sulfates in the unusual “salty” Udachnaya-East kimberlite from sulfur abundances, speciation and their relationship with groundmass carbonates [PDF]

open access: yesBSGF - Earth Sciences Bulletin, 2017
The Udachnaya-East pipe in Yakutia in Siberia hosts a unique dry (serpentine-free) body of hypabyssal kimberlite (
D’Eyrames Elisabeth   +5 more
doaj   +1 more source

IDENTIFICATION OF POTENTIAL ZONES FOR KIMBERLITE EXPLORATION – AN EARTH OBSERVATION APPROACH [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
In the present study, we have prepared the thematic evidence layers for identifying the potential zones of kimberlite emplacement in parts of Chhatarpur district, Madhya Pradesh.
A. Guha   +9 more
doaj   +1 more source

ALKALI-CONTAINING MINERALS WITHIN MELT INCLUSIONS IN OLIVINE OF MANTLE XENOLITHS FROM BULTFONTEIN KIMBERLITE PIPE (KAAPVAAL CRATON): EVIDENCE ON HIGH CONCENTRATIONS OF ALKALIS IN KIMBERLITE MELTS

open access: yesГеодинамика и тектонофизика, 2022
The study reports the mineral assemblage of the crystallized secondary melt inclusions in the olivine of sheared peridotites xenoliths from Bultfontein kimberlite pipe (Kaapvaal Craton, South Africa).
A. A. Tarasov   +2 more
doaj   +1 more source

Comparative characteristics of diamonds from areas with a high density of kimberlite bodies

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2023
Background. This paper presents a comparative study into diamonds from kimberlite bodies of the Verkhnemunsky field (Zapolyarnaya, Novinka, Komsomolskaya-Magnitnaya and Poiskovaya), the results of which allow these minerals to be distinguished from those
N. N. Zinchuk, V. I. Koptil
doaj   +1 more source

Useful publication

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2022
This article provides a review of the book co-authored by P.A. Ignatov and K.V. Novikov entitled “Field diagnostics of tectonic disturbances and fluid-fracturing formations in kimberlite-containing deposits of the lower Paleozoic” (Mirny: ALROSA, 2019 ...
A. I. Kudryashov
doaj   +1 more source

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