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all geography including DSDP/ODP Sites and Legs
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Africa
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Afar (3)
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East Africa
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Kenya
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West Africa
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Asia
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Commonwealth of Independent States
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Amur Russian Federation (1)
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Kemerovo Russian Federation (1)
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Khakasiya Russian Federation (2)
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Krasnoyarsk Russian Federation
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Kuznetsk Alatau (3)
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Magadan Russian Federation
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Taygonos Peninsula (1)
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Ukraine
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Indian Ocean
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Bay of Bengal
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Andaman Basin (1)
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Red Sea
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International Ocean Discovery Program
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Expedition 349
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Pacific Ocean
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Jurassic
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Ferrar Group (1)
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Upper Jurassic (1)
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Triassic
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Permian-Triassic boundary (3)
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Paleozoic
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Carboniferous (1)
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lower Paleozoic (1)
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Upper Permian
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Permian-Triassic boundary (3)
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Raniganj Formation (1)
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Silurian (2)
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Talchir Formation (1)
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Phanerozoic (5)
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Precambrian
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Bijawar System (1)
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upper Precambrian
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Proterozoic
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Mesoproterozoic (3)
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Paleoproterozoic
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igneous rocks
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extrusive rocks (1)
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plutonic rocks
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trondhjemite (2)
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gabbros
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granites
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granodiorites (3)
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monzodiorite (1)
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ultramafics
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olivinite (1)
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harzburgite (2)
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pyroxenite
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-
-
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porphyry
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vitrophyre (1)
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volcanic rocks
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andesites
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basalts
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alkali basalts
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mugearite (1)
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vitrophyre (1)
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ophiolite (6)
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minerals
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carbonates
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pyroxene group
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framework silicates
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orthosilicates
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zircon group
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sheet silicates
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mica group
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sulfates
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Primary terms
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asteroids (2)
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Cenozoic
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Quaternary
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Tertiary
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upper Tertiary (1)
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Central America
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Deep Sea Drilling Project
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IPOD
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Leg 71
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DSDP Site 511 (1)
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Leg 40
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DSDP Site 361 (1)
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porphyry
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volcanic rocks
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basalts
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inclusions
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fluid inclusions (4)
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Integrated Ocean Drilling Program
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Expedition 313
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IODP Site M0027 (1)
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intrusions (32)
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Invertebrata
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Protista
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lava (19)
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Mesozoic
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Cretaceous
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Franciscan Complex (1)
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Triassic
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metal ores
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
plumes
Bilateral asthenospheric flow fed by the Caroline plume (western Pacific Ocean) Open Access
A machine learning-based approach using clinopyroxene data to improve accuracy and efficiency in predicting tectonic settings: Implications for Rodinia supercontinent breakup triggered by mantle plume events Available to Purchase
Assessing the value of combined use of distributed acoustic sensing and multicomponent vertical seismic profiling data with network-based full-waveform inversion and uncertainty quantification: A case study in Alberta, Canada Available to Purchase
Deccan Volcanism and Related Seismic Unrest in the Koyna–Warna Region, India Available to Purchase
Seismic evidence of an extremely thin crust along a 70 Ma slow-spreading crustal segment in the equatorial Atlantic Ocean Available to Purchase
Ridgeward flow of compositionally heterogeneous mantle produces near-ridge seamount chains in the South Pacific Open Access
Kerguelen Plume Drives the Eocene Directional Change in Australian Plate Motion Open Access
Early Neoarchean geodynamic regime in the North China Craton: Constraints from 2.7 Ga granitoids in the southern Jilin terrane Available to Purchase
Paleogene igneous activity: North Atlantic plume-related magmatism Available to Purchase
Mineral, bulk rock, and isotope geochemistry of the Late Cretaceous Sabzevar ophiolite in NE Iran and the magmatic and tectonic evolution of a continental back-arc basin oceanic crust in the Mesozoic Tethyan orogenic belt Available to Purchase
Paleoseamounts in Yarlung Zangbo suture zone reveal dynamic processes of the Early Cretaceous Neo-Tethys lithosphere Available to Purchase
Mesozoic rifting in SW Gondwana and break-up of the Southern South Atlantic Ocean Available to Purchase
Abstract The opening of the South Atlantic Ocean in the Early Cretaceous was only the final stage of the complex rifting process of SW Gondwana. In this contribution, we reassess the chronology of Mesozoic basin formation in southern South America and Africa and integrate it in the long-term rifting and break-up history of SW Gondwana. During the Triassic, after the Gondwanides orogeny, plate-scale instabilities produced intracontinental rifting in Africa, and retro-arc extension on the SW-margin of Gondwana. This process was followed and accentuated by the impingement of the Karoo plume in the Early Jurassic, which triggered rifting in East Africa and ultimately produced the break-up of Eastern from Western Gondwana in the Middle Jurassic. Retro-arc extension continued to affect the palaeo-Pacific margin, with emplacement of the Chon Aike magmatic province in the Patagonian retro-arc during the Early–Middle Jurassic. By the Late Jurassic, retro-arc rifting reached a point of oceanic crust accretion, with the establishment of the Rocas Verdes back-arc basin in southern Patagonia, together with the formation of the Weddell Sea further south, between the South American plate and Antarctica. The core of the Late Paleozoic Gondwanides orogen, between southern South America and Africa, was subjected to oblique rifting at this time and produced the Outeniqua and Rawson/Valdés basins. This area was the locus of extension and oceanization in the Early Cretaceous associated with a rotation of the stress field from NE–SW to east–west extension. The formation of the South Atlantic Ocean resulted from lithospheric extension and was accompanied by extensive intrusive magmatism and extrusive flood basalts identified as seaward dipping reflectors, which were emplaced diachronically from south to north, along different segments along both conjugate margins. These volcanic rocks form the South Atlantic Large Igneous Province. The chronology of the South Atlantic opening and the magmatic sources and processes associated with the formation of seaward dipping reflectors remain interpretative as they have only been studied on seismic data but are still undrilled; hence, scientific drilling will be key to unravel many of these unknowns.
Joint flexural-density modeling of the Taltal, Copiapó, and Iquique hotspot ridges and the surrounding oceanic plate, offshore Chile Open Access
Some Tectonic Concepts Relevant to the Study of Rocky Exoplanets Available to Purchase
Exoplanet Mineralogy Available to Purchase
The Mystery Deepens: Anomalously Fast Speed of the Indian Lithospheric Plate - A Review Available to Purchase
Two-Stage Model of Devonian Basic Magmatism in the Vilyui Paleorift (Siberian Platform) Available to Purchase
The distribution and generation of carbonatites Available to Purchase
Anelastic Tomography of the Arabian Plate Available to Purchase
The role of subduction in the formation of Pangaean oceanic large igneous provinces Open Access
Abstract Large igneous provinces (LIPs) have been linked to both surface and deep mantle processes. During the formation, tenure and break-up of the supercontinent Pangaea, there is an increase in emplacement events for both continental and oceanic LIPs. There is currently no clear consensus on the origin of LIPs, but a hypothesis relates their formation to crustal emplacement of hot plume material originating in the deep mantle. The interaction of subducted slabs with the lowermost mantle thermal boundary and subsequent return flow is a key control on such plume generation. This mechanism has been explored for LIPs below the interior of a supercontinent (i.e. continental LIPs). However, a number of LIPs formed exterior to Pangaea (e.g. Ontong Java Plateau), with no consensus on their formation mechanism. Here, we consider the dynamics of supercontinent processes as predicted by numerical models of mantle convection and analyse whether circum-supercontinent subduction could generate both interior (continental) and exterior (oceanic) deep mantle plumes. Our numerical models show that subduction related to the supercontinent cycle can reproduce the location and timing of the Ontong Java Plateau, Caribbean LIP and potentially the Shatsky Rise by linking the origin of these LIPs to the return flow that generated deep mantle exterior plumes.