• These materials could have been incorporated in the ( deep ) interior of the earth .
• Hot molten rock reservoirs situated deep in the earth ...
• These materials could have been incorporated in the ( deep ) interior of the earth .
• Hot molten rock reservoirs situated deep in the earth ...
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012