Michael Owenvbiugie Eguagie, Idoko Peter Idoko, Onuh Matthew Ijiga, Lawrence Anebi Enyejo, Francisca Chinonye Okafor, and Chinelo Nwaamaka Onwusi. 2025. “Geochemical and Mineralogical Characteristics of Deep Porphyry Systems: Implications for Exploration Using ASTER”. International Journal of Scientific Research in Civil Engineering 9 (1): 01-21. https://doi.org/10.32628/IJSRCE25911.