Study of the geomaterials used in the building of the main bath of Hadrian's 2nd c. A.D. 'Temple of Venus'. Too technical a reading maybe, but the secret to how this building has remained standing despite hundreds of earthquakes seems to be two: scoria (volcanic hard but porous rock) used in all ingredients and somewhat imperfectly crushed lime for the mortar and concrete.
https://hell.twtr.plus/media/e2c716942194fb49098c8d663aa3d1239ee669b5b89b478d173edea28ac6ee75.file
https://hell.twtr.plus/media/4961ea3c44f1745a4e45160dea4bd41df2042e454cfa131be3d78004d3b6c7eb.file

SpringerLink
Innovative Roman Building: Geomaterials, Construction Technology and Architecture of the Roman Temple of Venus (Phlegraean Fields, Italy) - Geoheritage
The aim of this research is to characterize the geomaterials used for the construction of the Temple of Venus, located in the Phlegraean Fields are...