Tourmaline-feldspar-quartz rock, Mt. Erongo. This is a schorl tourmaline-rich sample from the Erongo Granite. The Erongo Granite is a subvolcanic ring dike, above an old volcano.

Mount Erongo (21º37'S 15º40'E) is a mountain of 2,350 metres northeast of Swakopmund in Erongo Region, Namibia. Like the Brandberg Mountain it is a granitic intrusion. It is the only place on Earth that Versicorpus erongoensis, a dung beetle species, occurs. [1]

References

  1. ^ Christian M. Deschodt, Adrian L.V. Davis & Clarke H. Scholtz (2011). "New dung beetle (Coleoptera: Scarabaeidae: Scarabaeinae) taxa from arid south-western Africa" (PDF). Insect Systematics & Evolution. 42 (3): 277–294. doi:10.1163/187631211X568173. hdl:2263/19586.

Allikas: http://en.wikipedia.org/wiki/Mount_Erongo
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