Tag: tholeiitic


Pengertian tholeiitic adalah: Subjek Definisi Geologi EN ? tholeiitic : one of two significant series of volcanic rocks. In tholeiitic rocks the primary melt is iron depleted relative to the calc-alkaline series (the other significant series), as such the minerals become more and more magnesium rich as iron is used up in the earlier crystals to form. They also tend to be depleted in sodium and potassium. Tholeiitic rocks are commonly basaltic but as the […]