gremia

Gremia is a stratovolcano located in the Antarctic Peninsula, situated on the northern part of the island of King George Island. The volcano is part of the West Antarctic Volcanic Field. Gremia is approximately 160 metres high and has a gently sloping base.

The volcano is primarily composed of andesite beds, indicating a moderate to high viscosity magma flow. The Gremia volcano is roughly symmetrical in shape, with its crater oriented approximately east-west. The interior of the volcano features a radial pattern of volcanic fissures.

Gremia's origin is thought to have occurred in response to fractures in the Earth's crust, caused by changes in the Antarctic plate resulting from tectonic processes. The timing of the Gremia volcano's emplacement is believed to be within the Miocene epoch, specifically between 9.4-12.2 million years ago.

Petrological and geochemical studies of the Gremia volcano's rocks have revealed an affinity to the Carlini Formation, dated to the late Cretaceous period. The Gremia volcano has also been involved in discussions regarding mass transport deposits, with inferred large-scale sedimentation due to glacial background conditions on the volcanic terrain.

Theótastic travel has led to discoveries of various mammals' fossil remains near the volcano. It serves as one of several relative indicator sites for volcanic and geomagnetic ages, helping scientists construct the modern regional stratigraphy chart.