First Report On The Geology And Mineral Resources Of British Somaliland With Map

Book: First Report On The Geology And Mineral Resources Of British Somaliland (With Map)

By Robert Alexander Farquharson, M.A. (Oxon.), M.Sc., F.G.S., A.O.S.M.

Government Geologist.

Publication: London: Printed by Waterlow & Sons, 1924.

Description: 53 pages 1 map.

CONTENTS

I. INTRODUCTION

II. GENERAL GEOLOGY:

(A) Physiography

(B) Geology

1. 1. 1. 1. Crystalline Series (gneisses, schists, with intrusive dykes). Archaean and Pre-Cambrian mostly)

1. 1. 1. 2. Inda Ad Slate Series. Palaeozoic?
         3. Jurassic Limestone Series. (Jurassic (Kimmeridgian))
         4. Dubar Sandstone. Cretaceous
         5. Eocene Limestone Series. Eocene
         6. Gypsum Series. Miocene-Pliocene?
         7. Daban Series. Pliocene?
         8. Post-Daban Conglomerates. Pliocene?
         9. Coastal Limestone Series. Pliocene-Pleistocene?
         10. Lavas. Pre-Jurassic, Jurassic, and late Tertiary
         11. Pleistocene and Recent Deposits

(C) Faulting and Sequence of Geological Events

III. ECONOMIC GEOLOGY:

(A) Mineral Occurrences

1. 1. 1. 1. 1. Coal
            2. Lignite
            3. Petroleum
            4. Galena
            5. Salt
            6. Guano
            7. Mica
            8. Beryl
            9. Garnet
            10. Barite
            11. Celestite
            12. Molybdenite
            13. Gypsum
                1. Massive, Alabaster.
                2. Selenite, Satin Spar.
            14. Gold
            15. Clay
            16. Talc or Soapstone
            17. Marble
            18. Manganese Ore
            19. Kerogenous Shales
            20. Graphite
            21. Diamonds
            22. Sands

(B) Water Resources

(C) Soils

IV. CONCLUSIONS AND RECOMMENDATIONS

MAP

NOTES