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The closure of Neotethys induced collision and extension related basic magmatism within the Central Anatolia during the late Cretaceous and Early Paleogene. The products of the basic magmatism are alkaline and tholeiitic in character. The temporal and spatial evolution of the basic magma within the Central Anatolia has a great role in the interpretation of magmato?tectonic evolution of the region. The lack of radiometric age for the mafic magmatic rocks let to discussion in the explanation of the nature of these m...

Nomenclature and chemistry of mafic minerals such as pyroxene, amphibole, and mica within the felsic and mafic igneous components have important role in the identification of the nature of the magma. The different compositions with the different proportions of the mineral chemistry reflects their, thermobarometry, emplacement depth and tectonic setting with the relation to their Fe, Mg, Al and Ti contents. Pyroxene, amphibole and mica behavior are selected from the shoshonotic, silica saturated alkaline and silica...