September 2011

Assessment of groundwater quality index for Jimeta-Yola area, Northeastern Nigeria

  The objective of this work is to provide information on the physical and chemical properties of groundwater in Jimeta-Yola area in order to appreciate the impacts of indiscriminate waste disposal practice on the quality of groundwater and to discuss its suitability for human consumption from the water quality index values. This has been determined by collecting groundwater samples from hand-dug wells and...

Author(s): J. M. Ishaku

September 2011

Al-compositional variation in ophiolitic chromitites from the south Eastern Desert of Egypt: Petrogenetic implications

  Podiform chromitite bodies of variable sizes are hosted in the serpentinized ophiolitic dunite-harzburgite of the Arabian Nubian Shield in Arais (AR) and Malo Grim (MG) areas in the southern Eastern Desert of Egypt. The composition of chromian spinel in most of the studied chromitite samples has not changed significantly from its magmatic composition. However, the fractured and disseminated-textured ores were...

Author(s): Mohamed M. Hamdy and El-Metwally M. Lebda