Results 11 to 20 of about 7,602 (258)

Crystal characteristics of fibrous calcite veins based on Electron Back Scattered Diffraction (EBSD)

Shiyou shiyan dizhi, 2022
Calcite veins are widely developed in organic-rich shale, and their petrological characteristics and genetic mechanism are the focus of research. The Electron Back Scatter Diffraction (EBSD) can characterize the micro-structure and orientation of mineral
Lanquan ZHAO, Zhipeng LI, Kaizhen ZOU, Xiaonan MA, Zhenyang LIU, He YIN, Liqing LEI, Baojun YU, Cunfei MA   +8 more
doaj   +1 more source

Study on the Mineralogical Characteristics of 12 Copper Concentrates by X-ray Fluorescence Spectrometry, X-ray Powder Diffraction and Polarization Microscope

Yankuang ceshi, 2021
BACKGROUND China is the largest importer of copper concentrate in the world. Studying the mineralogical characteristics of copper concentrates imported from different origins can be used to support the origin analysis and solid waste identification of ...
MIN Hong, LIU Qian, ZHANG Jin-yang, ZHOU Hai-ming, YAN De-tian, XING Yan-jun, LI Chen, LIU Shu   +7 more
doaj   +1 more source

Basic characteristics and environmental impact of iron ore tailings

Frontiers in Earth Science, 2023
Introduction: In our study, various test methods were adopted to explore the mineralogical characteristics, grindability, particle morphology, particle size distribution, and environmental leaching toxicity of iron ore tailings (lOTs).Methods: The ...
Changlong Wang, Jianlin Jing, Yang Qi, Yongxiang Zhou, Kaifan Zhang, Yongchao Zheng, Yuxin Zhai, Feng Liu   +7 more
doaj   +1 more source

Mineralogical, petrological, and geochemical characteristics of Şenkaya Chrysoprase,Turkey

Turkish Journal of Earth Sciences, 2022
Şenkaya chrysoprase is a gemstone and can be found near the Turnalı village located in the west-northwest of Şenkaya (Erzurum) county in the uplifted Kırdağ of Northeast Anatolia of Turkey. Chrysoprase only found in Şenkaya County and known with the same name commercially in Turkey is a light-dark green and cryptocrystalline structure gemstone ...
Selim, H. Haluk, Guctekin, Aykut, Sahin, Ferhan, Kaya, Mustafa, Tanc Kaya, Beril, Guner, Elanur, Tas, K. Omer, Karakas, Ahmet, Kantarceken, Yasemin   +8 more
openaire   +6 more sources

The Application of EPMA in the Textural Characterization of Cryptomelane in the Xialei Manganese Deposit, Southwest Guangxi

Yankuang ceshi, 2022
BACKGROUND OMS-2 has shown great significance in ion exchange, catalyst, energy and environment, but the research of natural OMS-2 mineral material cryptomelane is still lacking in the detailed characterization of the composition, structure and genetic ...
NIU Sida, ZHAO Liqun, NIU Xianglong, CHEN Tong, WANG Yingchao, MO Lingchao, WU Huaying, ZHANG Min, LONG Peng   +8 more
doaj   +1 more source

Proposals on establishing a methodology for the systematic analysis of energy coal mixtures in judicial practice [PDF]

MATEC Web of Conferences, 2020
There are several situations in which it is necessary to clarify the types of coal that enter into the composition of mixtures: technical expertise and/or establishing the nature of some coal wastes, often from old stockpiles, in order to eliminate them.
Lorinţ Csaba, Traistă Eugen, Florea Adrian   +2 more
doaj   +1 more source

Development of a SEM-EDS-XRD Protocol for the Physicochemical and Automated Mineralogical Characterisation of Coal Dust Particles

Resources, 2022
Exposure to coal dust from mining-related activities has historically been linked to several preventable but incurable respiratory diseases. Although the findings of numerous biological studies have determined that the physicochemical and mineralogical ...
Conchita Kamanzi, Megan Becker, Johanna Von Holdt, Jennifer Broadhurst   +3 more
doaj   +1 more source

Radiation Attenuation Assessment of Serpentinite Rocks from a Geological Perspective

Toxics, 2022
Serpentinites are metamorphic rocks that are widely applied as aggregates in the production of radiation-shielding concrete. Different varieties of massive serpentinite mountains located in Egypt exist without real investment.
Mostafa A. Masoud, Ahmed M. El-Khayatt, Mohamed G. Shahien, Bottros R. Bakhit, Ibrahim I. Suliman, Ahmed M. Zayed   +5 more
doaj   +1 more source

Petrography and mineralogy of the Oligocene flysch in Ionian Zone, Albania: Implications for the evolution of sediment provenance and paleoenvironment

Open Geosciences, 2023
In this study, the reconstruction of the formation condition in the Oligocene flysch (Berati and Zhitomi section), in the Berati anticline structure, north-eastern part of the Ionian tectonic zone (Albania), is elucidated using petrographic–mineralogical
Fociro Ana, Fociro Oltion, Prifti Irakli, Muçi Redi, Pekmezi Jeton   +4 more
doaj   +1 more source

Gemmological and Mineralogical Characteristics of Dingqing Ivory-jade in Tibet

Kuangchan zonghe liyong, 2022
This deposit is located in Dingqing county, Tibet. Its texture is warm and delicate, and its color is like ivory, so it is named "Ivory jade". The ore is gravel-shaped, and some of it is round and oval.
Guocheng Tang, Duoji Basang
doaj   +1 more source