ESS102H1 Lecture : lecture 2
Document Summary
Lecture 2- the origin of minerals and rocks. + what was the cosmic hypothesis and why did geophysicists give it up: middle ages, minerals and rocks were assigned magical powers. Ex: onyx (tree tears), stag tears, bezoar, draconites, bufonites: the first universities were founded during this time by scholars, not church or state. (intellectual independence, renaissance. 1088 bologna; paris, padua, oxford (~1096) and cambridge, Heidelberg 1385: printing (gutenberg, 1450) huge step for science allowed for ideas to be disseminated. left many notebooks , over 5000 sheets. thoughts on geology are dispersed in notebooks. he was especially interested in engineering, in river hydraulics (canals, drying of marshes) argues that valleys are created by rivers and mountains are destroyed by rain and rivers. excellent observer: noted that sediments form ordered pile near seashore (e. g. rock layers at bottoms and mountains in the background of painting st.