The Cabeço da Ladeira paleontological site in central Portugal became known as the “Jurassic Beach”. Formerly an active quarry, the site was protected in order to preserve the large exposures of a Middle Jurassic (early? Bajocian) carbonate tidal flat with an outstanding fossil record. This multidisciplinary paleontological work involving experts from several national and international research and geoconservation institutions was carried out under the umbrella of the Institute for Nature Conservation (ICNF), since this geosite is located within the Serras de Aire e Candeeiros nature park. Cabeço da Ladeira has provided exquisitely preserved body fossils, especially echinoderms, together with the exceptional preservation of their, and other, animal’s behaviors. It is also a hotspot to understand the diversity of bivalves in the Middle Jurassic. Due to the large area of the geosite, the international relevance of the findings, and the risk of weathering and destruction of the fossils, a geoconservation plan has been developed by ICNF with the support of local authorities. After several years of being open to visitors without proper control, the Cabeço da Ladeira paleontological site is now conditioned to organized groups of researchers, schools, and tourists. Some body fossils were collected for studies and included in the national collections of the Geological Museum (Lisbon). Moreover, casts have been made to protect holotypes of trace fossils, also providing ways to replicate this fossil record in temporary exhibitions. A long-term experimental study to conserve the limestone bedding plane exposures and their fossil contents was started in order to develop the best geoconservation strategy with an aim to reduce the damage produced by the increasing tourist demand on natural sites. Cabeço da Ladeira and other geosites in protected areas are key to communicating an evolutionary approach to environmental education, and their geoconservation must be a priority to improve their long-term use as (geo)tourism attractions.
With the AGEO Project focused on the assessment and management of geohazards, particular attention was paid to Copernicus EMS, as it supports all phases of the emergency management cycle: preparedness, prevention, disaster risk reduction, emergency response and recovery. The uptake of the Copernicus EMS in the EU Atlantic Region from 2012–2022 is reviewed. Surveys undertaken during the AGEO project highlighting the perception and awareness of stakeholders, as well as their suggestions for improvements or new requirements, are summarised. Uptake of Copernicus and Earth Observation (EO) products in the frame of the citizen observatories on geohazards is also addressed. Finally, strategic recommendations for strengthening the use of Copernicus products and services, and for new Copernicus products for the Atlantic Region are given.
The Volcano-Sedimentary Complex of the Algarve basin (south of the Iberian Peninsula) belongs to the Large Igneous Province of the Central Atlantic Magmatic Province (CAMP), which developed c.200 Ma following the start of the breakup of Pangaea, and preceding the opening of the Atlantic Ocean. This volcanic complex was emplaced in a short period of time in the Lower Jurassic (Hettangian-Sinemurian). It includes subaerial lava flows, pyroclastic deposits and peperites, and contemporaneous sedimentation. We present new field evidence and geochemical data of mafic rock suites within a > 150 km long transect across the volcanic belt. The rocks have a subalkaline geochemical affinity and low TiO 2 contents. They are moderately evolved (Mg# 53–76) and have quartz-hypersthene-normative associations, classifying as low-Ti tholeiites (TiO 2 = 1.2–1.5 wt%). They have slight yet variable enrichment in light ion lithophile and light rare erath elements [(La/Yb) N = 2.55–3.40] and a negative Ta-Nb anomalies. The mafic rocks have enriched MORB compositions, compatible with low-Ti tholeiitic CAMP suites. A trait of CAMP basaltic flows is their compositional homogeneity. Distinct volcanic rocks are only described in the Algarve basin, and have relatively lower SiO 2 and high CaO contents than typical CAMP rocks. Our data suggest that the subset of volcanic rocks with lower SiO 2 and high CaO are linked to contamination-assimilation of ascending magmas with carbonate-evaporite material from Silves marl-carbonated-evaporitic complex, immediately underlying the CAMP sequences.