Une reconnaissance geologique de la peninsule Courbet, archipel de Kerguelen

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Abstract
Volcanic beds on the Courbet peninsula of the Kerguelen archipelago in the Indian Ocean, are described, placed in stratigraphic order and compared with the beds of the rest of the archipelago. In the western mountainous area between lakes Studer and Margot, there can be seen a massif of modified spilitic lava, 5 km across and bordered on three sides by faults. The greater part of the peninsula is composed of a series of basalt flows of various textures and composition. Detrital features are widespread, especially on the western plains. Moraines, outwash deposits, drumlins, and sand dunes are common. The Kerguelen archipelago was once a large land mass composed of Miocene and lower Pliocene volcanics. The present day islands are the result of severe faulting and subsequent sinking of parts of the area.

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