Courtesy British Geological Survey. Copyright: HMSO. List of Systematic Series and Geological Photographs: UKRI. Wilson, G.V., Edwards, W.N., Knox, J., Jones, R.C.B., Flett, J.S., Lang, W.H., Stephens, J.V. and Watson, D.M.S. The geology of the Orkneys (Explanation of sheets 117 to 122) (with chapters on the fossil fishes by DMS Watson, fossil plants by WH Lang and petrography by JS Flett) Mem Geol Surv G B (Scotl) (Dist) (Edinburgh)
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The geology of the Orkneys, contents

By G. V. Wilson, B.Sc. and Wilfrid Edwards, M.A. John Knox, B.Sc. R. C. B. Jones, M.C., M.Sc. J. V. Stephens, B.Sc. With chapters on the fossil fishes By Prof. D. M. S. Watson, F.R.S. Fossil plants By Prof. W. H. Lang, F.R.S. Petrography By Sir John S. Flett, F.R.S.

(Front cover) Whitaloo Point, Birsay. Contorted flagstones, adjacent to a fault.

(Title page)

(Plate 1). (Frontispiece.) The Old Man of Hoy. A stack of Upper Old Red Sandstone, 450 feet high.

Contents

Title page

Preface by The Director

List of illustrations

Chapter 1 Introduction, historical notes, topography, coastal features, by G. V. Wilson

Chapter 2 The geology of the islands as a group, by G. V. Wilson

Structure

Sequence of rocks

Granite-Schist Complex

Middle Old Red Sandstone

Upper Old Red Sandstone

Chapter 3 The geology of the islands as a group (continued), by G. V. Wilson

Glaciation and glacial deposits

Recent changes in level

Chapter 4 The geology of the islands as a group (continued), by G. V. Wilson

Relations of the beds with those in Caithness

Lithology and conditions of deposition

Chapter 5 The West Mainland and Graemsay, by G. V. Wilson, J. V. Stephens and J. Knox

The South-western District

The Northern District

The Eastern District

Intrusive igneous rocks

Superficial deposits.

Chapter 6 The East Mainland, by J. Knox

Contemporaneous igneous rocks

Intrusive igneous rocks

Superficial deposits

Chapter 7 Rousay and adjacent small islands, by G. V. Wilson

Rousay

Intrusive igneous rocks

Eynhallow

Viera

Egilsay

Superficial Deposits

Chapter 8 Westray and Papa Westray, by G. V. Wilson

Intrusive igneous rocks

Superficial deposits

Chapter 9 Eday, Sanday and North Ronaldsay, by R. C. B. Jones

Eday

Sanday

Superficial deposits

North Ronaldsay

Superficial deposits

Chapter 10 Stronsay and Shapinsay, by R. C. B. Jones

Stronsay

Superficial deposits

Shapinsay

Contemporaneous igneous rocks

Intrusive igneous rocks

Superficial deposits

Chapter 11 South Ronaldsay, Burray and adjacent small islands, by Wilfrid Edwards

South Ronaldsay and Burray

Intrusive igneous rocks

Swona

Pentland Skerries.

Stroma

Superficial deposits

Chapter 12 South-East Hoy and adjacent small islands, by Wilfrid Edwards and J. V. Stephens

Hoy and South Walls

Flotta

Intrusive igneous rocks

Cava

Risa

Fara

Switha

Superficial deposits

Chapter 13 North-West Hoy, by Wilfrid Edwards and J. V. Stephens

Middle Old Red Sandstone

Upper Old Red Sandstone

Intrusive Igneous Rocks

Superficial deposits

Chapter 14 Economic geology, soils, etc., by G. V. Wilson

Water Supply

Soils

Chapter 15 Fossil fishes of the Orcadian Old Red Sandstone, by Professor D. M. S. Watson, F.R.S.

Chapter 16 Fossil plants of the Orkneys, by Professor W. H. Lang, F.R.S.

Works containing illustrations of Orkney fossil plants

Chapter 17 Petrography, by Sir John S. Flett, F.R.S.

Camptonites

Bostonites, etc.

Olivine-basalts

Monchiquites

Nepheline-monchiquites

Biotite-monchiquites (and Alnoites)

Description of (Plate 8)

Appendix 1 Bibliography

Appendix 2 Glossary of certain Orkney place-names

Figures and plates

BGS County series maps

BGS Geoscenic photographs

BGS Systematic Series rock images

(Plate 1) (Frontispiece.) The Old Man of Hoy. A stack of Upper Old Red Sandstone, 450 feet high.

Title page

Title page