Pragian

Rock type: 
Age: 
400 millions years

Russia, Caucasus, Kabardino-Balkarian Republic, Kyzylkol river valley. Basaltic lava with interlayers of jasper, breccia, siltstones, schists. Kyzylkol'skaya series. Lower - middle Devonian. Pragian, Emsian, Eifelian.

Rock type: 
Age: 
400 millions years

Russia, Caucasus, Kabardino-Balkarian Republic, Kyzylkol river valley. Basaltic lava with interlayers of jasper, breccia, siltstones, schists. Kyzylkol'skaya series. Lower - middle Devonian. Pragian, Emsian, Eifelian.