Tectonic zone

Thickness of J-Pg cover

Thickness of basement

Density of basement

Thickness of the crust

Zone of the Southern Slope

18 ± 2 km

~16 ± 1 km

2.93 g/cm³

~34 ± 2 km

North-Western Caucasus

~14 km

~21 km

2.9 g/cm³

~35 km

Central Caucasus

2 - 2.5 km?

~40 km

2.83 g/cm³

~42 km

Eastern Caucasus

~11 km

~25 km

2.87 g/cm³

~36 km

LMZ, western segment

~10 km

~26 km

2.85 g/cm³

~36 km

LMZ, central segment

~5 km

~34 km

2.84 g/cm³

~39 km

LMZ, eastern segment

~7 km

~31 km

2.85 g/cm³

~38 km