MAKKAH: Over 300 caves have been discovered in the Kingdom’s deserts. A divine gift to Saudi Arabia, these earth treasures were formed in the ground in the shape of unique geometric landmarks, natural sculptures and fascinating limestone and gypsum shapes.
Large numbers and different types of deep and superficial caves and “duhool” (caves lying below the earth’s surface) are found in the Kingdom. They formed over millions of years following the dissolution of limestone rocks due to rain and floods leaking into the ground through cracks and faults, resulting in cavities of different sizes and lengths.
Mahmoud Al-Shanti, a senior geologist specializing in caves and “duhool” at the Saudi Geological Survey, told Arab News that the SGS is working on locating caves, exploring their interiors and studying their types and formation.
He said these caves are considered a valuable natural national treasure that attract explorers, researchers and those interested in the field.
“As the lava of the volcano stops flowing in the subsoil, the last remaining quantity of the lava rushes forward, leaving behind an often regular longitudinal vacuum,” he said.
“When this quantity stops…
