All the attendees to the Conference will visit the Natural Park of Garrotxa Volcanic Zone. The volcanic landscape of Garrotxa is one of the most singular scenic areas of Catalonia, a montane landscape articulated by the rivers Fluvià and Ter that possesses a series of outstanding morphological features generated by the area’s Quaternary monogenetic volcanism. The first stop of the field trip is a wonderful view of the Castellfollit de la Roca basalt cliff, which consists of two superimposed lava flows with well-developed columnar jointing. Of note too is the aesthetic and visual effect of the urban architecture of the village of Castellfollit de la Roca sits atop the volcanic outcrop. Then, participants will visit the youngest part of Garrotxa volcanic field (currently a natural protected area) visiting the Holocene volcanoes of La Pomareda spatter cone, Croscat cinder cone, Santa Margarida maar crater and Roca Negra cinder cone, which lie along a 3-km-long eruption fissure. These volcanic edifices exhibit a diversity of eruptive styles with strong evidence of vent migration during the same eruption and of the existence of different strombolian and phreatomagmatic phases. The whole visit includes a 5 km easy walk through these volcanic sites. Several outcrops present in the area such as the quarry on the Croscat’s northern flank are exceptional sites to discuss the evolution of this eruptive fissure and the role of the basement to determine different eruptive dynamics. The field trip will finish in the Medieval village of Santa Pau.

Field trip leaders: Joan Martí, Xavier Bolós, Llorenç Planagumà

Venue & Info

El Torín
C. DEL ROSER, 19, 17800 OLOT (SPAIN)

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