Results 31 to 40 of about 1,482 (158)

PGE distribution in the Chromite bearing mafic-ultramafic Kondapalli Layered Complex, Krishna district, Andhra Pradesh, India

Open Geosciences, 2015
The Kondapalli Layered Complex (KLC) is a dismembered mafic-ultramafic layered intrusion, mainly composed of gabbroic and anorthositic rocks with subordinate ultramafics and chromitite.
Meshram Tushar M., Nannaware Shraddha. B., Nannaware B., Bhatacharjee Shantanu, Waghmare Minakshi. M., Rajakumar T.   +5 more
doaj   +1 more source

Early Cambrian forearc ophiolite-hosted VMS-type Cu deposit in the North Qaidam belt, northern Tibetan Plateau

Geosystems and Geoenvironment, 2023
The North Qaidam belt is an important polymetallic metallogenic belt in the northwestern region of China. However, the tectonic setting and age of related VMS deposits remain debated.
Changlei Fu, Bingzhang Wang, Zhen Yan, Jonathan C. Aitchison, Wenjiao Xiao, Solomon Buckman, Wufu Li   +6 more
doaj   +1 more source

Geological and geotechnical challenges on the Great Dyke of Zimbabwe and their impact on hardrock pillar design

Deep Underground Science and Engineering, Volume 5, Issue 2, Page 506-538, June 2026.
The Great Dyke of Zimbabwe is notable for its rich platinum group metal deposits but poses significant geological and geotechnical challenges due to its complex rock types and structural features. Traditional pillar design methods are insufficient for addressing these complexities; the study suggests incorporating advanced techniques such as machine ...
Tawanda Zvarivadza, Hendrik Grobler, Moshood Onifade, Manoj Khandelwal   +3 more
wiley   +1 more source

Global Comparison of Aqueous Geochemistry and Dissolved H2/CH4 in Continental Low Temperature Serpentinization–Influenced Environments

Hydrological Processes, Volume 40, Issue 3, March 2026.
Conceptual diagram of hydrological and geochemical processes within the Santa Elena Ophiolite, Costa Rica. It highlights watershed cross‐sections, soil genesis, hyperalkaline Type II waters (pH > 11.6) with calcite crust and trapped H2/CH4 gases, seepage into surface waters, storm‐impacted stream profiles, weathered vs.
Alexandra May, Ricardo Sánchez‐Murillo, Matthew O. Schrenk, Esteban Gazel, J. Maarten de Moor, Christian Birkel, Xiaoqiang Li, Danelle Carr, María Marta Chavarría   +8 more
wiley   +1 more source

A Sr-isotopic investigation of bifurcating chromitite layers of the UG1 at the Impala Platinum Mine, Rustenburg [PDF]

, 2023
Dissertation (M.Sc.(Geology))--University of the Free State, 2023Chromitite bifurcations hosted within, but not limited to, the Upper Group 1 (UG1) chromitite layer in the Critical Zone of the Bushveld Complex are one of the most enigmatic geological ...
Nyakane, Tshepo Felix
core   +2 more sources

Interpretation of magnetic and geoelectrical data based on geological and mineralogical evidence in the podiform chromite prospecting, Khoy ophiolite, Northwest Iran

Journal of Economic Geology, 2021
Introduction Podiform chromite deposits are small magmatic chromite bodies formed in the lower section of an ophiolite complex. The Khoy ophiolite covers an extensive area in the northwest of Iran along the Iran-Turkey border.
Behnam Mehdikhani, Ali Imamalipour
doaj   +1 more source

Dike Swarms in the Oceanic Lithosphere Beneath the Ontong Java Plateau

Geophysical Research Letters, Volume 52, Issue 19, 16 October 2025.
Abstract The Ontong Java Plateau (OJP) is believed to have formed through large‐scale Cretaceous volcanism, but the impact of the massive volcanism on the lithosphere remains largely unknown. In this study, the ascent process of the thermochemical plume and its impact on the physicochemical properties of the pre‐existing lithosphere were explored. High‐
Azusa Shito, Daisuke Suetsugu, Akira Ishikawa, Masako Yoshikawa, Takehi Isse, Hajime Shiobara, Hiroko Sugioka, Aki Ito, Yasushi Ishihara, Satoru Tanaka, Masayuki Obayashi, Takashi Tonegawa, Junko Yoshimitsu   +12 more
wiley   +1 more source

Podiform Chromitites in the Sorkhband Ultramafic Complex, Southern Iran: Evidence for [PDF]

Journal of Sciences, Islamic Republic of Iran, 2008
The podiform chromitite deposits of the Ordovician Sorkhband ultramafic complex, southwestern Makran, are the largest chromitite deposits in Iran. The Sorkhband ultramafic complex comprises of a northern part of dunite, podiform chromitite, olivine ...
doaj  

Chemical Characterization of Chromite from the Crominia and Mairipotaba Massifs, Goiás, Brazil [PDF]

Geologia USP. Série Científica, 2010
Metaultramafi c bodies tectonically emplaced within the metasedimentary sequence of the Araxá Group are associatedwith an ophiolitic melange in southeast Goiás. In the region of Cromínia - Mairipotaba, they occur as lenticular bodiesaligned E-W. Cumulate
Nélson Angeli, Guillermo Rafael Beltran Navarro, Antenor Zanardo, Silvio Roberto Farias Vlach   +3 more
doaj  

Re−Os Isotope and PGE Abundance Systematics of Coast Range Ophiolite Peridotites and Chromitite, California: Insights into Fore-Arc Magmatic Processes [PDF]

Lithosphere
We report platinum-group element (PGE) and Re concentrations, and Re−Os isotopic data for peridotites and podiform chromitite from the mid-Jurassic Coast Range ophiolite (CRO), California.
Sung Hi Choi, Samuel B. Mukasa, John W. Shervais, Igor S. Puchtel   +3 more
doaj   +1 more source