الصفحة الرئيسية >  Term: primary basalt
primary basalt

A presumed original magma, from which all other rock types are obtained by various processes of fractional crystallization.

0 0

المنشئ

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 النقاط
  • 100% positive feedback
© 2026 CSOFT International, Ltd.