Results 21 to 30 of about 607,638 (132)

Relationship between deformation structure and partial melting in pelitic migmatites of Hamaden region, Sanandaj-Sirjan Zone [PDF]

پترولوژی
The present paper describes some field characteristics of deformation in a high-strain and high temperature zone in migmatitic rocks, with several kilometers wide occurring in Hamedan and Toyserkan regions, NW of the Sanandaj- Sirjan Zone.
Seyedeh Razieh Jafari, Leyli Izadi Kian
doaj   +1 more source

Geology, Engineering and Humanities: three sciences behind the Malpasset dam failure (France, 2 December 1959)

Quarterly journal of engineering geology and hydrogeology, 2019
On 2 December 1959, the Malpasset arch dam in SE France suddenly failed, flooding the valley down to the sea, causing huge destruction and more than 400 deaths. Built from 1952 to 1954 for water supply and irrigation, filling of the reservoir was delayed
P. Duffaut, J. Larouzée
semanticscholar   +1 more source

The Macururé Complex (Sergipano Belt, NE Brazil) in southern Alagoas state: Geology and geochronology

Journal of the Geological Survey of Brazil, 2019
The Sergipano Belt is part of the Southern Subprovince of the Borborema Province (NE Brazil) and separates the Pernambuco-Alagoas Domain from the Sao Francisco Craton. The Macurure Domain is the largest unit of the Sergipano Belt and comprises a basement
S. Neves, J. M. Rangel da Silva, O. Bruguier   +2 more
semanticscholar   +1 more source

Structural Geology of the Basement Complex Rocks in Iwaraja Area, Southwestern Nigeria

International Letters of Natural Sciences, 2016
The geological and structural evolution assessment of the Basement Complex rocks in Iwaraja area, southwestern Nigeria showed that the basement rocks comprise quartzites and quartz-schists of the Effon Psammite Formation, quartz-mica schists, biotite ...
B. Adeoti, C. T. Okonkwo
semanticscholar   +1 more source

A new understanding of Demala Group complex in Chayu Area, southeastern Qinghai-Tibet Plateau: Evidence from zircon U-Pb and mica 40Ar/39Ar dating

China Geology, 2021
: The Chayu area is located at the southeastern margin of the Qinghai-Tibet Plateau. This region was considered to be in the southeastward extension of the Lhasa Block, bounded by Nujiang suture zone in the north and Yarlung Zangbo suture zone in the ...
Yuan Tang, Yu-ping Liu, Peng Wang, Wen-qing Tang, Ya-dong Qin, Xiao-dong Gong, Dong-bing Wang, Bao-di Wang   +7 more
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Geology of the coastal Chiapas (Mexico) Miocene plutons and the Tonalá shear zone: Syntectonic emplacement and rapid exhumation during sinistral transpression

, 2015
Late Miocene plutons in coastal Chiapas, Mexico, represent the roots of an extinct magmatic arc. Miocene granitoids of calc-alkaline composition and arc chemistry intruded into and were deformed within the Tonala mylonite belt in the middle to upper ...
R. Molina-Garza, J. Geissman, T. Wawrzyniec, Tomás A. Peña Alonso, A. Iriondo, B. Weber, Jorge Aranda-Gómez   +6 more
semanticscholar   +1 more source

Strain Characteristics of Motianling Ductile Shear Zone in Northern Guangxi and its Tectonic Significances

Kuangchan zonghe liyong
This is an article in the field of structural geology. In this article, the strain characteristics and tectonic significance of the tile shear zone of Motianling are discussed through macro-microstructure, finite strain measurement of rocks and EBSD ...
Zhili REN, Ya QIN, Zuohai FENG, Jie WU, Shiyun LIU, Qiaofan HU, Yuming BAI, Pengcheng ZHOU   +7 more
doaj   +1 more source

Integrated application of geophysical loggings and fracture survey on rock exposures for identifying transmissive fractures in crystalline aquifer: case study in the city of São Paulo

Brazilian Journal of Geology
: The integrated analysis of geophysical loggings for identifying transmissive fractures has had a limited use in Brazil, although a large number of studies have been conducted so far throughout the world.
Bruna Fiume, Amélia João Fernandes, Marcos Bolognini Barbosa, Ricardo Hirata, Reginaldo Antonio Bertolo   +4 more
doaj   +1 more source

Petrography, Geology Structure and Landslide Characterization of Sumatra Fault Deformation: Study Case In Km 10-15 Highway, Koto Baru Sub District, West of Sumatra

Journal of Geoscience, Engineering, Environment, and Technology, 2018
Research area is around Tanjung Balik, Koto Baru Sub Base, Lima Puluh Kota District, West Sumatra Province. Located along the highway Km 10-15 Riau – West Sumatra and the coordinate around 00˚08'40 '' LU - 0˚11'20 '' N and 100˚45'20 '' BT - 100˚47'00 ...
Catur Cahyaningsih, Puja Fransismik Crensonni, Yogi Aditia, A. Suryadi, Y. Yuskar, Tiggi Choanji, D. B. E. Putra   +6 more
semanticscholar   +1 more source

The Sangmelima granite-greenstone belts (South Cameroon): Integration of remote sensing and aeromagnetic data for structural interpretation

Egyptian Journal of Remote Sensing and Space Sciences, 2019
The integration of geology, geophysics and remote sensing data was used to map the Sangmelima granite-greenstone belt terrain located in the South Cameroon. The region was not easily accessible, because of dense vegetation and thick lateritic overburden.
Akame Joseph Martial, Assembe Stéphane Pactrick, Zo'o Zame Philemon, Owona Sébatien, Ndougsa Mbarga Théophile, Azia Giles Abuara, Mvondo Ondoa Joseph   +6 more
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