Results 11 to 20 of about 323 (73)

Report of the Geological Surveys in Cape Ryugu, Oku-iwa Rock and Telen, East Antarctica : Report of the Geology Section of the 19th Japanese Antarctic Research Expedition in 1977-1978

open access: yesAntarctic Record, 1979
The authors, members of the summer party of the 19th Japanese Antarctic Research Expedition, 1977-1978 (JARE-19), surveyed the geology of thc following three areas : Cape Ryugu, Oku-iwa Rock and Telen in East Antarctica.
Yutaka NAKAI   +2 more
doaj   +1 more source

Lithologies, structure and basement-cover relationships in the schist belt of the Dom Feliciano Belt in Uruguay

open access: yesBrazilian Journal of Geology
: This work is the result of a multiyear effort to use field geology to describe lithologies, to establish contact relationships and to create a sketch of the tectonic evolution of the Meso- to Neoproterozoic metasedimentary successions within the Schist
Henri Masquelin   +7 more
doaj   +1 more source

Kuroko-type Pb-Zn sulfide deposit at Chah Gaz region, Sanandaj-Sirjan Zone, Kerman Province [PDF]

open access: yesپترولوژی
Introduction The Chah Gaz Pb-Zn ore deposit is an inactive mineralization located approximately 70 km southwest of Shahr-e Babak in Kerman Province, Iran. It lies within the geologically significant Sanandaj-Sirjan zone, a region renowned for its massive
Azam Zahedi, Mehrdad Karimi
doaj   +1 more source

Microstructure and geochemical evidences for genesis of the Gol-Gohar iron deposit

open access: yesJournal of Economic Geology, 2017
Introduction The Gol-Gohar iron ore deposit located in 55 km South West of the city of Sirjan, in the Sanandaj-Sirjan structural zone. Sanandaj-Sirjan zone (SSZ) is part of the Alpian-Hymalian orogenic belt and it is located in the west of the central ...
Shahryar Mahmoudi   +2 more
doaj   +1 more source

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

open access: yesپترولوژی
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

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

open access: yesKuangchan 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   +7 more
doaj   +1 more source

Variable elastic anisotropy controls stress in shallow crown pillars

open access: yesRock Mechanics Bulletin
As easily accessible natural resources become depleted, it is necessary to extract material from deeper levels and so mines may opt to develop a process of transition from open-pit to underground mining methods.
Jorge Cortez   +6 more
doaj   +1 more source

The Concept of Lineaments in Geological Structural Analysis; Principles and Methods: A Review Based on Examples from Norway

open access: yesGeomatics
Application of lineament analysis in structural geology gained renewed interest when remote sensing data and technology became available through dedicated Earth observation satellites like Landsat in 1972.
Roy H. Gabrielsen, Odleiv Olesen
doaj   +1 more source

Geotectonics and Exploration of Gold Mineralization in the Kushaka-Kusheriki Schist Belt North-Central Nigeria

open access: yesIndonesian Journal of Earth Sciences
The lack of systematic and organized development and exploration for gold and increasing demand for sustainable development goals has prompted the integrated geological, geophysical and geochemical surveys to characterize the gold mineralization at Owu ...
Cyril C. Okpoli   +3 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

open access: yesBrazilian 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   +4 more
doaj   +1 more source

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