Carte topographique Inman Valley

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Inman Valley

In the valley is Selwyn Rock (35°29′47″S 138°30′45″E / 35.4965°S 138.5124°E / -35.4965; 138.5124) a glaciated pavement in the bed of the Inman River. It was first described in 1859 by, and later named for, A.R.C. Selwyn, who was Victorian Government geologist at the time. Glacial grooves and striations on the polished surface indicate glacial movement to the north-west. Boulder clays, tillites and erratics are also common in the area, which underwent glaciation during the Permian (approximately 270 Ma). The pavement of Cambrian bedrock and Permian glacial sediments were exposed during the Tertiary when the Inman River eroded the topography to its present-day surface. A cafe overlooks the glaciated bed of the river, with access onto the rock available via stairs and viewing platforms.

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À propos de cette carte

Nom : Carte topographique Inman Valley, altitude, relief.

Lieu : Inman Valley, The District Council of Yankalilla, South Australia, 5211, Australia (-35.52639 138.39211 -35.43117 138.55962)

Altitude moyenne : 212 m

Altitude minimum : 49 m

Altitude maximum : 443 m

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