نتایج جستجو برای: bauxite mineralogy

تعداد نتایج: 5181  

Journal: :Japanese Magazine of Mineralogical and Petrological Sciences 2003

Journal: :Eos, Transactions American Geophysical Union 2007

Journal: :Journal of building pathology and rehabilitation 2023

Researchers conducted research into the strength properties of a Geopolymer produced from eggshell powder, bauxite, and flyash with RGL (Reaction generating liquid) cure for 84 days at ambient temperature. Also studied were changes in products Morphology, XRD, FTIR studies SEM images microstructure. The results indicated that, various mix proportions, gradually improved 28 to days. aged Geopoly...

2008
RobeRt M. Hazen DoMinic PaPineau wouteR bleekeR RobeRt t. Downs JoHn M. FeRRy tiMotHy J. Mccoy Hexiong yang

The mineralogy of terrestrial planets evolves as a consequence of a range of physical, chemical, and biological processes. In pre-stellar molecular clouds, widely dispersed microscopic dust particles contain approximately a dozen refractory minerals that represent the starting point of planetary mineral evolution. Gravitational clumping into a protoplanetary disk, star formation, and the result...

2006
A. Toppani J. M. Paque D. S. Burnett N. Teslich W. Moberlychan Z. R. Dai J. P. Bradley

Introduction: Wark-Lovering rims (WLR) consist of a sequence of mono-mineral layers a few microme-ters thick (hibonite, perovskite, spinel, melilite, anor-thite, pyroxene, olivine) surrounding most coarse-grained Ca-Al-rich inclusions (CAIs) [1]. Despite numerous studies, their formation is still not well understood. Based on their mineralogy [1], their rare earth element (REE) content [2] or t...

Journal: :Issues in Informing Science and Information Technology 2007

Journal: :Journal of Japan Institute of Light Metals 1971

Journal: :International Journal of Pavement Engineering 2013

Journal: :Minerals 2022

Bauxite residue (red mud) generated during alumina production is a highly alkaline solid waste. The red mud mainly stored on land, but it can cause harm to the surrounding environment and human health. transformation of into soil feasible method for large-scale disposal mud, alkali removal key process that controls soil. In this study, calcification dealkalization with small particle size was c...

Journal: : 2023

The aim of this study is to determine the stratigraphic position bauxite deposits in Ayrancı region, where most important mineralization Bolkardağı region located. In context, age will be determined by determining erosion surface associated with features during formation and according its side rocks. there are Permian-Cretaceous aged rocks belonging Union, one main tectonic units forming Centra...

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