On the Structure of Lavas Which Have Consolidated on Steep Slopes; With Remarks on the Mode of Origin of Mount Etna, and on the Theory of "Craters of Elevation"

C. Lyell
1858 Philosophical Transactions of the Royal Society of London  
doi:10.1098/rstl.1858.0032 fatcat:4idavguzgzhkhjh5coxd2nm5rm