Caleiras de Escusa quarries
São Salvador de Aramenha, Marvão, Portalegre, Portugal
Pedreiras da Caleira de Escusa, São Salvador de Aramenha, Marvão, Distrito de Portalegre, Portugal
Key Information
Do not enter mining areas without proper authorization.
The Caleiras de Escusa quarries are located in São Salvador de Aramenha, Marvão, Portalegre, Portugal, within the Serra de São Mamede Natural Park.
Minerals found include calcite, dolomite, and aragonite, with potential for unique crystal formations.
The geological structure is primarily sedimentary limestone, used historically for lime production.
Mining history spans from Roman times to the 1960s, with the site now a National Monument.
Local culture features the Marvão International Music Festival and historical ties to lime production.
The climate is a mix of Atlantic and Mediterranean, supporting diverse flora and fauna in the natural park.
Location and Geography
The quarries are nestled in the scenic Serra de São Mamede Natural Park, near the village of Escusa, close to the Spanish border. This area is known for its mountainous terrain, with Marvão’s medieval castle offering stunning views, and the Roman ruins of Ammaia nearby, adding historical depth.
Minerals and Geology
Research suggests the quarries yield calcite, dolomite, and aragonite, all carbonate minerals found in limestone. The rock type is sedimentary, specifically limestone, formed over geological epochs, providing a rich hunting ground for mineral enthusiasts.
History and Culture
It seems likely that mining began in Roman times, with 19 lime kilns preserved, and continued until the 1960s. The site, now a National Monument, reflects its economic importance. Culturally, the area hosts the annual Marvão International Music Festival in July, blending art with nature.
Climate and Ecology
The evidence leans toward a unique microclimate here, between Atlantic and Mediterranean, with higher rainfall supporting diverse ecosystems. The park is home to oak trees, chestnuts, and birds like vultures, enhancing the ecological richness.