1. It has good examples of vertical columnar jointing and has caves. 2. Columnar jointing occurs when certain types of lava contract while cooling. 3. Rare cases of columnar jointing have also been reported from sedimentary strata. 4. It contains columnar jointing units that are usually in diameter. 5. Basaltic lava flows on Finngal Island comprise well-developed columnar jointing . 6. Jointing and weathering features are visible in the Carboniferous limestone.7. This mountain also has good examples of vertical columnar jointing and has caves. 8. Traditionally, jointing was performed using a jointer plane. 9. The summit features columnar jointing and was once home to an observation tower. 10. Jointing in the finer grained granite is smaller and proportional to grain size.
