Meanings of columnar masses in English

These are the columnar masses of rock which form the face of Salisbury Crags.

From it proceed numerous branches or arms, composed of basaltic currents congealed into columnar masses in the early days of the world.

There is near this rock a lower one of an oblong form, its sides fluted with pillars; these columnar masses are basalt.

As a rule the crystals are roughly developed and rude columnar masses are common, these being frequently altered partially to kaolin or mica.

When these columnar masses are situated near the Orinoco, flamingoes, herons, and other wading birds perch on their summits, and look like sentinels.

When those columnar masses are situated near the Orinoco, flamingoes, herons, and other wading birds perch on their summits, and look like sentinels.