An illustration of basalt rock formations in Monte Bolca from Giovanni Battista Gazzola’s Lettere re
An illustration of basalt rock formations in Monte Bolca from Giovanni Battista Gazzola’s Lettere recentemente pubblicate sui pesci fossili veronesi(1794). The text explains that these colonnaded (column-like)mountains were formed by ancient volcanic activity.Full text available here. -- source link
Tumblr Blog : smithsonianlibraries.tumblr.com