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Book VI. The Subterranean World (1678 ed.) by Athanasius Kircher, S.J. (1602-1680) Book VI. On the fourth natural element which is earth positing, it produced the first fruits of the underground world. Section I.On the wondrous variety of Earth, the Element's true and proper character, and what it signifies. LATIN transcription MUNDI SUBTERRANEI LIBER SEXTUS…
https://www.wichita.edu/academics/fairmount_las/geology/wparcell/Kircher/Mundus/Vol1Bk06.php