The first archaeological research was carried out by José Amador de los Ríos in April 1859..
The main archaeological finding from Mr. Amador de los Ríos, was that of the remains of a funeral chapel where an Archpriest called Crispín was buried in the late 7th century. In addition to that, it was also important his description of the place where the treasure was found, since it is currently helping us to locate it.