в недрах земли
• These materials could have been incorporated in the (deep) interior of the earth.
• Hot molten rock reservoirs situated deep in the earth ...
Русско-английский научно-технический словарь• These materials could have been incorporated in the (deep) interior of the earth.
• Hot molten rock reservoirs situated deep in the earth ...
Русско-английский научно-технический словарь