Results 11 to 20 of about 9,924 (222)

The Timbavati Gabbro of the Kruger National Park

open access: yesKoedoe: African Protected Area Conservation and Science, 1986
The structure, geochemistry and isotope geochemistry of the Timbavati Gabbro, a suite of basic, intrusive sills located within and outside the Kruger National Park, are discussed.
F. Walraven
doaj   +2 more sources

Neoproterozoic Gabbro and Diorites of the Tianquan County, Longmenshan Orogenic Belt, SW China: U-Pb Ages, Petrogenesis and Tectonic Settings [PDF]

open access: yesLithosphere
Petrological and isotope-geochemical studies of magmatic rocks are a necessary part of most tectonic and metallogenic reconstructions, in particular, in orogenic belts formed at active margins of cratonic blocks that experienced long-term and ...
Inna Safonova   +10 more
doaj   +1 more source

2.2 ga mafic sills in the central part of the Karelian Сraton: U-Pb dating of zircons and geochemistry of gabbro-dolerites in the lake Bolshozero area

open access: yesTransactions of the Karelian Research Centre of the Russian Academy of Sciences, 2018
New age and compositional data for mafic igneous intrusions in the Bolshozero area, western Karelia, are reported. In this area, Jatulian gabbro-dolerites form several bodies that cut through the host Archean and Paleoproterozoic supracrustal and ...
Александра Владимировна Степанова   +5 more
doaj   +1 more source

Vendian age of igneous rocks of the Chamberlain valley area (Northern part of the Wedel Jarlsberg Land, Svalbard Archipelago)

open access: yesЗаписки Горного института, 2022
The geological structure, structural relations with the underlying complexes, mineral composition, age and origin of sedimentary-volcanogenic and intrusive formations of the Chamberlain valley area (northern part of the Wedel Jarlsberg Land, Svalbard ...
Aleksandr N. Sirotkin   +1 more
doaj   +1 more source

Assessment of the comagmaticity of gabbroids and syenites of the Arsentyevsky massif (Western Transbaikalia)

open access: yesЛитосфера, 2018
Object . The results of geochronological and isotope-geochemical studies of the Arsentyevsky titaniferous gabbro-syenite massif of the Western Transbaikalia, which previously referred to the gabbro-syenite series of a two-phase structure are presented ...
Evgeny I. Lastochkin   +4 more
doaj   +1 more source

Transitional Gabbroic Rocks in Bayah Geological Complex, Western part of Java, Indonesia, Inferred from XRF, ICP-MS, and Microprobe Analysis

open access: yesJGEET: Journal of Geoscience, Engineering, Environment and Technology, 2021
Gabbro, is a fossil remnant of oceanic crust in western part of Java, found at Bayah Geological Complex (BGC) and Ciletuh Melange Complex (CMC), Indonesia.
Aton Patonah   +2 more
doaj   +1 more source

PETROLOGY OF THE CRUSTAL PLUTONIC ROCKS OF NAWEOBA BLOCK, ZHOB OPHIOLITE, BALOCHISTAN, PAKISTAN [PDF]

open access: yesEarth Sciences Pakistan, 2021
Zhob Ophiolite complex is composed of three detached blocks named Omzha, Ali Khanzai and Naweoba blocks. The crustal plutonic section of the Naweoba block is mapped and divided into gabbro and granite. Based on petrographical studies, the gabbros fell in
Naseer Uddin   +5 more
doaj   +1 more source

Hydrous Carbonatitic Liquids Drive CO2 Recycling From Subducted Marls and Limestones

open access: yesGeophysical Monograph Series, Page 209-221., 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 ...
Erwin Schettino, Stefano Poli
wiley  

+1 more source

Zircons and zircon’s geochronology of gabbro Nurali massif (the Southern Urals)

open access: yesЛитосфера, 2018
Object. In the article presents the the results of mineralogy, geochemistry and isotope-chronological investigation of zircons from gabbro Nurali massif. Materials and methods . Amphibole gabbro is the fine-grained and massive texture rock, which cosists
Artur A. Krasnobaev, Petr M. Valizer
doaj   +1 more source

Mineral chemistry and geothermobarometry of gabbroic dykes ‎of the Garmab Ophiolite sequence ‎‎(Northeast of Kamyaran)‎ [PDF]

open access: yesپترولوژی, 2018
The Garmab ophiolite complex, a part of the Ophiolite-Radiolithic zone of Kermanshah, is located in the northeast of Kamyaran. In view of the Iranian geo-structural zones, this complex is situated between the Sanandaj-Sirjan Zone and the Zagros thrust ...
shahryar Mahmoudi   +2 more
doaj   +1 more source

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