Results 1 to 10 of about 7,625 (261)

Geochemical characteristics, hazards impact assessment and radiogenic heat production of the alkaline rocks [PDF]

Scientific Reports
Fahad Alshehri, Essam Sidique, Mabrouk Sami   +2 more
exaly   +2 more sources

Features of the Hydrosulfate Method for Processing Alumina-Containing Raw Materials in a Closed Reagent Cycle

Applied Sciences, 2022
The decrease in the availability of high-quality bauxites makes the processing of high-silica raw materials inevitable, and in this regard, it is necessary to develop acid–salt methods suitable for these ores. The purpose of the work was to study various
Ruslan Kh. Khamizov, Victor A. Zaitsev, Alexandra N. Gruzdeva   +2 more
doaj   +1 more source

Effects of major and trace elements from the El Kahfa ring complex on fish: Geological, physicochemical, and biological approaches

Frontiers in Environmental Science, 2023
The alkaline rocks are known for enriching rare lithophilic elements, including lithium, uranium, and tin, which negatively impact aquatic life. This study offers an intensive investigation of the influence of alkaline rocks on Nile Tilapia (Oreochromis ...
Eman Saad, Mohamed Hamed, Mohamed Hamed, Abdelnaby M. Elshahawy, Mohamed Abd El-Aal, Alaa El-Din H. Sayed   +5 more
doaj   +1 more source

GEOCHEMICAL FEATURES OF DIKE AILLIKITES AND ALKALINE ROCKS OF THE BOLSHETAGNINSKY MASSIF (URIK-IYA GRABEN, EAST SAYAN REGION)

Геодинамика и тектонофизика, 2022
The ICP-MS determinations have been made on microelement content of ~650–640 Ma ultramafic lamprophyre-aillikite dikes and alkaline silicate rocks and carbonatites from the Bolshetagninsky ijolite-syenite massif, spatially overlapped in the northern Urik-
V. B. Savelieva, E. P. Bazarova, Yu. V. Danilova, B. S. Danilov   +3 more
doaj   +1 more source

Geology, petrography, alteration, and geochemistry of the Shahrab igneous rock, Central Iran

Geology, Ecology, and Landscapes, 2021
Eocene to Quaternary calc-alkaline volcanic and intrusive rocks are exposed in Shahrab area in the Urumieh-Dokhtar magmatic belt in the Central Iran structural zone.
Kaveh Pazand, Moslem Aghaei Kerigh, Mohammad Reza Rezvanianzadeh   +2 more
doaj   +1 more source

Petrochemistry of granitic rocks in Tha Pai area, Mae Hi sub-district, Pai district, Mae Hong Son province, Northern Thailand [PDF]

Songklanakarin Journal of Science and Technology (SJST), 2022
Granitic rocks in the Ban Tha Pai area, Mae Hi sub-district, Pai district, Mae Hong Son province, are located in the western line of the Central Granitic Belt in northern Thailand.
Patcharin Kosuwan Jundee, Supanida Phanbuppha, Thisanabordee Jamsai, Burapha Phajuy   +3 more
doaj   +1 more source

Metagabbros, metasyenites and related rocks in the Outokumpu assemblage, east Finland [PDF]

Bulletin of the Geological Society of Finland, 1992
A diverse group of minor intrusive rocks in the early Proterozoic Outokumpu assemblage of eastern Finland include metagabbro, hornblendite, amphibolite, pyroxenite, syenite and chloritized dykes.
A.F. Park
doaj   +1 more source

A review of mineral assemblages of agpaitic rocks from the Poços de Caldas alkaline massif, southeastern Brazil

Brazilian Journal of Geology, 2023
This study revises the early-magmatic, late-magmatic, and hydrothermal mineral assemblages occurring in rocks of agpaitic affinity, mainly represented by nepheline syenites and phonolites, from the Poços de Caldas alkaline massif.
Celso de Barros Gomes, Andrezza de Almeida Azzi, Daniel Atencio   +2 more
doaj   +1 more source

Petrogenisis of Mafic- intermediate Magmatism, East of Sanandaj; A New approach with careful monitoring of geochemical evidences [PDF]

پترولوژی, 2019
The East Sanadaj magmatic rocks of the northern Sanandaj-Sirjan Zone, part of Zagros Orogen, comprise several intrusive bodies that were generated during northeastward subduction of Neo-tethys beneath the Iranian sector of the Eurasian plate.
Sanaz Yajam
doaj   +1 more source

Petrogenesis and relationship with REE mineralization of the quartz syenite from Chishan and Longbaoshan alkaline complex, southeastern North China Craton: Insights from zircon U–Pb geochronology, element, and Sr–Nd–Pb–Hf isotope geochemistry

Frontiers in Earth Science, 2023
Mesozoic alkaline complexes associated with the rare earth element (REE) mineralization are developed in southeastern North China Craton (NCC), and they recorded some important information about the lithospheric thinning and destruction of the NCC ...
Pengfei Wei, Dapeng Li, Zhigang Song, Zhigang Song, Qiang Liu, Ke Geng, Yan Zhang, Chengwu Ding, Na Cai, Zengsheng Li, Chao Zhang, Wei Xie   +11 more
doaj   +1 more source