Results 91 to 100 of about 607,638 (132)

Foliation fields and 3D cartography in geology: Principles of a method based on potential interpolation

Mathematical Geology, 1997
A modeling method that takes into account known points on a geological interface and plane orientation data such as stratification or foliation planes is described and tested. The orientations data do not necessarily belong to one of the interfaces but are assumed to sample the main anisotropy of a geological formation as in current geological ...
Christian Lajaunie, Gabriel Courrioux, Laurent Manuel   +2 more
semanticscholar   +4 more sources

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Foliation and cleavage

2010
H. Fossen
openaire   +3 more sources

The geology and geochemistry of the Rhyacian Josephine gold deposit, Northwest Ghana

Applied Earth Science, 2023
This paper focuses on the geology and geochemistry of the Rhyacian Josephine gold deposit in northwestern Ghana, where gold is primarily hosted in quartzites, with other lithologies observed, including granitoids, mafic intrusions, and gneisses.
Fuseini Atanga, Prince Ofori Amponsah, Samuel Nunoo, D. Kwayisi, Eric Dominic Forson, T. Akabzaa, P. M. Nude   +6 more
semanticscholar   +1 more source

Geology of a Neoarchean suture: Evidence from the Zunhua ophiolitic mélange of the Eastern Hebei Province, North China Craton

GSA Bulletin, 2019
Mélanges characterize Phanerozoic convergent plate boundaries, but have rarely been reported from Archean orogens. In this paper, we document a Neoarchean ophiolitic mélange in the Eastern Hebei Province of the North China Craton. The Zunhua ophiolitic
Junpeng Wang, Xiawen Li, Wenbin Ning, T. Kusky, Lu Wang, A. Polat, H. Deng   +6 more
semanticscholar   +1 more source

Morphological classification and Mineral Potential of Migmatites in Zongor area, north eastern Nigeria based on Geology and Petrographic Studies.

Science Forum (Journal of Pure and Applied Sciences), 2020
This study examines the different morphologies of migmatites in the Zongor area, north eastern Nigeria, based on field and petrological evidences. Field relationship exposes rocks around the Zongor area as dominated by a complex suite of migmatites that ...
Bridget Oshilike, A. Haruna, N. Muhammad, A. Isa   +3 more
semanticscholar   +1 more source

Configuration of Carbonatite Constrained in Preintrusion Transpositional Foliation in the Bayan Obo Giant Rare Earth Element Deposit, China

Economic Geology
The Bayan Obo ore deposit is the largest rare earth element (REE) deposit in the world and has been assumed to be hosted in dolomite that was folded in a syncline.
Ji’en Zhang, Hongrui Fan, W. Xiao, Xingwang Xu, John Wakabayashi, Lili Zhang, Yonggang Zhao, Qiwei Wang, Yulong Zhao, Kaiyi Wang   +9 more
semanticscholar   +1 more source

Overprinting by episodic mineralization in the Dongyaozhuang gold deposit, Wutai Mountain, China: Constraints from geology, mineralogy, and fluid inclusions

Geological Journal, 2019
The Archean volcanic‐sedimentary rocks (greenstones) hosting the Dongyaozhuang (DYZ) gold deposit are situated in the Wutai Mountain, north‐central China. Field geology and mineral assemblages show at least two episodes of mineralization.
Yi‐Ping Liu, Hua‐Feng Zhang, Chun‐Liang Wang   +2 more
semanticscholar   +1 more source

Influences of foliation orientation and lateral stress difference on the deformation and fracturing of a thin-layered rock around underground excavations: insight from multi-axial loading tests

Bulletin of Engineering Geology and the Environment, 2022
Xufeng Liu, Xiating Feng, Yangyi Zhou, M. Sharifzadeh   +3 more
semanticscholar   +1 more source

The Geology and Structural Evolution of the Aningeje Metasediment in the Lower Part of Oban Massif, South-Eastern Nigeria

, 2015
The field mapping carried out in the study area was aimed at establishing the local geology of the area, which include the identification of rocks and minerals, and the reconstruction of the petrogenesis and structural evolution of the rocks in the area.
P. S. Momta, N. Essien
semanticscholar   +1 more source