First Report On The Geology And Mineral Resources Of British Somaliland With Map
British Somaliland MAP: Route and mineral occurrence map: scale, 1:1,000,000, showing the route followed, the positions of the mineral occurrences dealt with, and the areas worthy of further prospecting


[1] See later.

[2] Streams which rise in a tug, flow for a short distance along it and then disappear beneath the sand.

[3] In the Gadabursi district.


[4] See footnote to Contents.

[5] In view of the great apparent thickness of the slates and the high angle of dip, careful mapping may ultimately show the series to have an “isoclinal” structure.

[6] See Gregory: The Rift Valleys and Geology of East Africa, p. 41.

[7] Gregory: Geol. Mag. Vol. III., 1896, pp. 289-296.

[8] Gregory: loc. cit.

[9] 2,000 feet according to Wyllie and Smellie

[10] The name “Daban Series” was given to these rocks by Drs. Wyllie and Smellie, who first recognized them.

[11] Gregory: Geol. Mag. 1896, loc. cit.

[12] Mineral Survey of Southern Nigeria 1908-09, p. 19.

[13] Now Sir H. A. Byatt.

[14] Another, however, is stated by Wyllie and Smellie to have been found by them under the Jurassic at Bihen Gaha Pass.

[15] Bull. Imper. Instit. Vol. IX., 1911, p. 39.

[16] The writer of the article referred to.

[17] England.

[18] 1920, No. 97, p. 32.

[19] Together equivalent to 8.42 percent of metallic manganese.

[20] Together equivalent to 8.42 percent of metallic manganese.

[21] In the sand from the bank of Amud Tug near Borama, assay returns gave 1 dwt. of silver per ton (see Gold).

[22] On the Guban.

[23] In default of other private enterprise. One firm has already expressed an interest in the deposits.

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