Research Article
Multiphase Alkaline Basalts of Central Al-Haruj Al-Abyad of Libya: Petrological and Geochemical Aspects
Figure 2
Classification of CHA basalts on SiO2 versus Na2O + K2O diagram of Le Bas et al. [12] and Zr/TiO2 versus SiO2 diagram of Winchester and Floyd [13].