THE BLUE AVOCADO SCHOOL
OF EARTH ANATOMY
Thanks to Science Daily, MSNBC, the Spring 8 newsletter, and How Stuff Works
Fig.1. This geological section, published in the book by German professor of geophysics August Sieberg “Einführung in die Erdbeben- und Vulkankunde Süditaliens” (1914), shows the anatomy of a stratovolcano, with a main conduit, various lateral dikes and a large sill connected to the magma reservoir. In contrast to the sketch, the conduits for magma are in reality only a few meters wide – too small for travel the Center of the Earth (image in public domain).
Thanks for the submission Afrojive