Results 1 to 10 of about 2,667 (188)

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  

+11 more sources

Dual-layered mantle lithosphere beneath southeastern Canadian Cordillera [PDF]

open access: yesNature Communications
The craton edge beneath southwestern Canada has been characterized as a ‘lithospheric step’ involving the transition from the warm Cordillera to an ancient, mechanically strong North American craton. Using converted shear waves that are sensitive to this
Songyun Huang   +2 more
doaj   +2 more sources

Metallogeny and craton destruction: Records from the North China Craton

open access: yesOre Geology Reviews, 2014
Abstract The link between metallogeny and craton destruction in the North China Craton (NCC) remains poorly understood, particularly the mechanisms within the interior of the craton. In this overview, we summarize the major stages in the history of formation and evolution of the NCC, the spatio-temporal distribution and types of major ore species, as
M Santosh, Sheng-Rong Li
exaly   +2 more sources

Global Patterns in Cratonic Mid‐Lithospheric Discontinuities From Sp Receiver Functions

open access: yesGeochemistry, Geophysics, Geosystems, 2021
The goal of this study is to constrain the origins of layering in the seismic velocity structure within the cratonic mantle lithosphere (i.e. mid‐lithospheric discontinuities [MLDs]).
Hannah E. Krueger   +2 more
doaj   +1 more source

The Interplay between Tectonic Activity, Climate and Sea-Level Change in the Suriname River Valley, Tropical South America

open access: yesQuaternary, 2021
Suriname is part of the Guiana Shield, a cratonic area in northern South America. It is drained by several major rivers that are characterized by river terraces.
Kathleen S. Gersie   +2 more
doaj   +1 more source

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  

+3 more sources

Effect of rheological heterogeneities on the lithospheric deformation of the Tibetan Plateau and neighbouring regions

open access: yesFrontiers in Earth Science, 2023
The Tibetan Plateau, induced by the India-Eurasian collision, has the highest average altitude in the world. During its uplift vertically, the Tibetan Plateau has been considered to expand laterally.
Yujun Sun   +3 more
doaj   +1 more source

Eclogite Varieties and Their Positions in the Cratonic Mantle Lithosphere beneath Siberian Craton and Archean Cratons Worldwide

open access: yesMinerals, 2022
The pressure-temperature (PT) conditions and position of different groups of eclogites in the sub-cratonic lithospheric mantle (SCLM) worldwide were established using clinopyroxene Jd-Di and garnet thermobarometry. Beneath Siberia, Fe-eclogites found within the 3.0–4.0 GPa formed in Early Archean times.
Ashchepkov, Igor   +8 more
openaire   +3 more sources

GEOCHEMISTRY OF HANNIVKA GRANITES (EAST HANNIVKA MONOCLINE, MIDDLE-DNIEPER MEGABLOCK OF THE UKRAINIAN SHIELD)

open access: yesГеохімія техногенезу, 2022
The Middle – Dnieper megablock, which is a fragment of archean craton, differs from other cratons on Earth by a large variety of Archean granitoids (Tok, Mokro-Moscowka, and Demurino complexes) which were formed later than the Mesoarchean TTG of sura ...
G. Artemenko   +3 more
doaj   +1 more source

Criteries and prospects of diamonds of the Vitebsk granulite massif

open access: yesЖурнал Белорусского государственного университета: География, геология, 2021
The article describes the history of studying the diamond content of tectonic structures of the territory of Belarus. Based on the results of magnetometric, mineralogical, tectonic studies carried out by industrial geologists and scientists over the past
Victor S. Konishchev   +1 more
doaj   +1 more source

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