Tag Archives: volcanic rock mixture

How Did Romans Make Such Solid Concrete 2000 Years Ago? Secret Unveiled

Samples from this Ancient Roman pier, Portus Cosanus in Orbetello, Italy, were studied with X-rays at Berkeley Lab.CREDIT:J.P. Oleson

A 2,000-year-old concrete harbor structure, made from volcanic ash, lime and seawater by Romans that has remained a puzzle for long has been cracked by minerologists using X-ray and Advanced Light Source (ALS). A team of researchers working at the Berkeley Lab used X-rays to study samples of Roman concrete at microscopic level to learn about the mineral cements. The ...

Read More »
error: Content is protected !!