Archaeologists have uncovered a rare Roman rock-cut sanctuary dedicated to the goddess Minerva in an ancient quarry near Campos del Paraíso, offering new insights into religious life and industrial activity in Roman Hispania.
The shrine, carved directly into a sandstone quarry face in the late second century A.D., was commissioned by a man named Plotius Vigor, a member of a prominent Roman family whose members served as senators and imperial officials throughout the Roman Empire.
Details of the discovery have been published in the journal Mantva in a study by archaeologists María José Bernárdez Gómez and Juan Carlos Guisado di Monti of the Don Felipe de Borbón y Grecia Mining History Museum at the Polytechnic University of Madrid.
The sanctuary lies approximately 15 kilometres from the ancient Roman city of Segóbriga, one of the most important urban centres in central Hispania. The region was renowned for its production of lapis specularis, a transparent gypsum mineral widely used as window glass throughout the Roman world and a major source of local wealth.
Researchers describe the shrine as a small temple-like structure, or aedicula, carved into the quarry wall. Measuring just 70 centimetres wide and 50 centimetres high, it features two fluted semi-columns supporting a triangular pediment, creating the appearance of a miniature classical temple.
At its centre is a relief depicting Minerva, the Roman goddess of wisdom, warfare and crafts. Although centuries of weathering have damaged the sculpture, archaeologists were able to identify the deity through surviving iconographic details.
Minerva is shown standing and facing forward, dressed in a long tunic and wearing a helmet. She carries a spear and shield and bears the aegis, the protective emblem traditionally associated with the goddess. An owl, Minerva’s sacred animal and a symbol of wisdom, is also visible on the shield.
Beneath the relief, researchers discovered a two-line Latin inscription that reads: “To Lady Minerva, Plotius Vigor dedicates this with his entourage.”
The inscription provides rare evidence linking a specific individual to the sanctuary and highlights the influence of the Plautia or Plotius family, whose members are documented across Roman Hispania in cities including Tarraco, Gades, Emerita Augusta and Carthago Nova.
Archaeologists also identified a small carved shelf adjacent to the shrine, which was likely used to hold offerings left by worshippers.
The discovery is particularly significant because it demonstrates that Roman religious practices extended beyond major urban temples and ceremonial centres. Instead, sacred spaces could also emerge in industrial landscapes where communities worked and extracted natural resources.
“The site demonstrates how places associated with stone extraction could acquire a symbolic and religious dimension in addition to their productive function,” the researchers wrote.
The sanctuary is a fresh example of how Roman workers, local communities and quarry operators sought divine protection in their daily lives. They made part of a working quarry a place of worship for themselves, and to worship there, they made it a place where economic activity and religious devotion were closely linked.
The Minerva sanctuary is one of the most recent discoveries on Roman religion in Segóbriga and it forms part of a growing appreciation of sacred spaces associated with mining and quarrying activity in Roman Hispania and is a significant discovery, they say.
The find also highlights the enduring importance of Minerva in the region during the second century, when the prosperity generated by the lapis specularis industry helped shape both the economic and cultural landscape of central Spain.
Header Image Credit : José Martínez Hernández
Sources : El Pais
