Sandstones sampled from Patti Formation, Southern Bida Basin, were studied geochemically using Inductively Coupled Plasma Atomic Emission Spectrophotometer (ICP-AES) and an Mass Spectrometry (ICP-MS) technique to evaluate their weathering tectonic setting as well deduce the paleo-climatic conditions that existed during deposition. Geochemically, SiO2 range 73.9% 86.2%, Al2O3 (6.7%~17.1%), Fe2O3...

Article history: Received 6 October 2016 Accepted 29 January 2017 Available online 08 February 2017 Widespread Late Triassic granitoid rocks in the SouthQinling Belt (SQB) represent excellent subjects to study the geochemical and geodynamic evolution of magmatic rocks during the collision between the North China Craton and South China Block. In this study, we report new geological, geochemical,...

The in vitro response in simulated body fluid (SBF) of silicate glass coatings on Ti6A14V was evaluated. Glasses belonging to the SiO2-CaO-MgO-Na2O-K2O-P2O5 system were used to prepare 50-70 m thick coatings on Ti6Al4V, employing a simple enameling technique. Glasses with silica content higher than 55 wt% can be used to prepare coatings that do not crack or delaminate and exhibit good adhesion ...

Boron phosphate glasses are known for their unique properties and have been investigated as biodegradable materials biomedical applications. In this context, the present research studied characterization of physical, mechanical, bioactive new boron-phosphate glass in CaO-P2O5-K2O-B2O3 system produced by melt-quenching method. The structure morphology material were FTIR, XRD, DSC, SEM-EDS, laser...

In the mid-twentieth century, Dr. Donald Stookey identified the importance and usability of nucleating agents and mechanisms for the development of glass-ceramic materials. Today, a number of various internal and surface mechanisms as well as combinations thereof have been established in the production of glass-ceramic materials. In order to create new innovative material properties, the presen...

The controlled precipitation of strontium fluoroapatite crystals was studied in four base glass compositions derived from the SiO2-Al2O3-Y2O3-SrO-Na2O-K2O/Rb2O/Cs2O-P2O5-F system. The crystal phase formation of these glasses and the main properties of the glass-ceramics, such as thermal and optical properties and radiopacity were compared with a fifth, a reference glass-ceramic. The reference g...

the massive sulphide deposit at kantienpan cu-zn mine is hosted by volcano sedimentary succession known as the areachap group, in the eastern part of namaqua metamorphic province, south africa. the deposits were affected by a complex deformation and metamorphic history and represent examples of upper amphibolite to granulite grade metamorphosed volcanic-hosted massive sulphide (vhms) depo...