см. тж. в толще
• We find these minerals exposed as surface rocks only in extremely dry climates; but at depth these rocks are common.
• These elements are produced by nuclear fusion deep inside stars.
• These electric currents are generated deep in the interior of the Moon.
• Plutonic igneous rocks are formed deep within the earth's crust.Источник: Русско-английский научно-технический словарь на Gufo.me