Русско-англо-русский юридический словарь

Subsoil assets consist of coal, oil and natural gas reserves, metallic mineral reserves and non-metallic mineral reserves. (The Project Definition)

They are also the structure for the definition of natural capital to include all natural elements (such as atmosphere, climate and subsoil assets) whether based on ecosystems or not. (GOV.UK)

Natural capital includes market values for subsoil assets, such as oil and copper, arable land, forests and conservative estimates for protected areas, which are priced as if they were farmland. (Financial Times)

Valuable natural assets, such as oil and metal ores, lie hidden beneath the ground until they are discovered. The term for them is “subsoil assets.” (Oxford Academic)

In my recent lectures I have challenged the audience to vote on whether Africa has more or less subsoil assets per square kilometer than the rich world. (The Plundered Planet by Paul Collier)