Talk:Geological Commission of the Cape of Good Hope

The Geological Commission as a division of the Department of Agriculture

G81 '97 1ST ANNUAL REPORT, FOR 1896. 52 pp., 2 pl.

Members of the Geological Commission of the Colony of the Cape of Good Hope.

1. Commissioners' Report [J.X. Merriman] 1, 1 2. Geologist's Report [G.S. Corstorphine] 4, 4 a. Office and Appointments 4, 4 b. Progress of the Survey 5, 5 (1) General mapping 5, 5 (2) Economic questions 7, 8 (a) Coal, (b) Water 7, 8 c. Specimens collected 10, 12 d. The Bibliography 11, 13 e. Economic Statistics 11, 13 3. Report on the Laingsburg Coal 12, 14 4. Summary of work in the South West Districts - A.W. Rogers 13, 15 5. Geological Survey of Beaufort West District - E.H.L. Schwarz. 15, 18 a. Sedimentary Beds. 15, 18 b. The Igneous Rocks. 18, 22 c. The Coal of Leeuw River's Poort. 24, 30 6. Summary of work done in the Tulbagh and Worcester District - E.H.L. Schwarz. 27, 34 7. Report of a Sub-Committee on Deep Artesian Well Boring. 30, 38 8. Report of a Preliminary Geological Survey of the Oudtshoorn and Prince Albert Districts, by G.S. Corstorphine & A.W. Rogers. 31, 39 9. Notes on the Cango Cave, by G.S. Corstorphine. 34, 42 Appendix: List of Reports, &c., presented to the Library. 37, 47

Maps The Dolerites of the Eastern Nieuweveld, monochrome, by E.H.L. Schwarz., to face page 26, 32 N.B. Corrigendum in Map of the Dolerites of the Eastern Nieuweveld: the scale is 1 inch equals 2.817 miles, equal 1,200 Cape roods. Sketch Plan of the Cango Cave, in colour, by H.M. Luttman-Johnson., to face page 36, 44

G77 '98 2ND ANNUAL REPORT, FOR 1897. 83 pp.

1. Commissioner's Report. 1 2. Report of the Geologist. [G.S. Corstorphine]. 3 a. Malmesbury Beds. 5 Granite. 6 b. Table Mountain Sandstone Series. 12 c. Bokkeveld Beds. 15 d. The Witteberg Quartzites. 18 e. Dwyka Conglomerate. 20 f. Ecca Beds. 24 g. Superficial Deposits. 25 h. Geological Sequence. 28 3. Appendix I. Survey of Stellenbosch District - A.W. Rogers. 45 4. Appendix II. Survey of Robertson and Swellendam Divisions - E.H.L. Schwarz. 51 5. Appendix III. Survey of the country between the Karroo and the Langebergen, by A.W. Rogers & E.H.L. Schwarz. 59 6. Appendix IV. Lists of books and papers presented to the Library of the Commission. 71 Plate I. Geological Map of the South-Western Districts of the Colony of the Cape of Good Hope. In colour. Scale 1:800 000. Reduced from the field maps of A.W. Rogers & E.H.L Schwarz, Assistant Geologists, by M. Wilman. Plate II. 4 sections. In colour.

G67 '99 3RD ANNUAL REPORT, FOR 1898. 97 pp. Report G67, 1899, but presented to parliament in 1900.

1. Chairman's Letter. 1 2. Geologist's Report. [G.S. Corstorphine]. 3 3. Appendix I. Report on the country round Vogel Vley, Piquetberg (Porterville) Road, Saron, French Hoek and Pniel, by E.H.L. Schwarz. 23 4. Appendix II. Report on Caledon, Bredasdorp, Swellendam and the Southern part of Worcester, by A.W. Rogers & E.H.L. Schwarz. 37 5. Appendix III. Report on the Southern Districts between the Breede River and George, by A.W. Rogers & E.H.L. Schwarz. 53 6. Appendix IV. Report on Oudtshoorn, by A.W. Rogers & E.H.L. Schwarz. 65 7. Appendix V. Supplementary Notes on the Geology around Worcester, by A.W. Rogers & E.H.L. Schwarz. 81 8. Appendix VI. List of books and papers presented to the Library of the Commission during 1898.

G71, '00 4TH ANNUAL REPORT, FOR 1899. 110 pp.

1. Chairman's Letter. 1-2 2. Geologist's Report. [G.S. Corstorphine]. 3-29 The Dwyka Conglomerate. 3. Appendix I. Detailed description of the Bokkeveld Beds at the Gamka Poort, Prince Albert, by E.H.L. Schwarz. 31-49 4. Appendix II. Knysna, between the Gouwkamma and the Blue Krantz Rivers, by E.H.L. Schwarz. 51-63 5. Appendix III. Geology of the Orange River Valley in the Hope Town and Prieska Districts, by A.W. Rogers & E.H.L. Schwarz. 65-97 6. Appendix IV. Lists of books and papers presented to the Library of the Commission during 1899. 99-110

G60 '01 5TH ANNUAL REPORT, FOR 1900. 93 pp.

1. Chairman's Letter. v 2. Director's Report. [G.S. Corstorphine]. vii 3. Appendix I. Report on the Survey of parts of the Uitenhage and Port Elizabeth Divisions, by A.W. Rogers & E.H.L. Schwarz. 1 4. Appendix II. Report on the Survey of parts of Clanwilliam, Van Rhyn's Dorp and Calvinia Divisions, by A.W. Rogers & E.H.L. Schwarz. 19 5. Appendix III. Report on Geological Route Survey from Beaufort West to Calvinia, by A.W. Rogers & E.H.L. Schwarz. 55 6. Appendix IV. Report on the Cederbergen and adjoining country, by A.W. Rogers & E.H.L. Schwarz. 65 7. Appendix IV. List of books and papers presented to the Library of the Commission during 1900. 83

G48 '02 6TH ANNUAL REPORT, FOR 1901. 67 pp.

1. Chairman's Letter. 1 2. Director's Report. [G.S. Corstorphine]. 3 3. Appendix I. Report on a journey from Swellendam to Mossel Bay, by A.W. Rogers & E.H.L. Schwarz. 7 4. Appendix II. General Survey of the Rocks in the Southern part of the Transkei and Pondoland, including a description of the Cretaceous Rocks of Eastern Pondoland, by A.W. Rogers & E.H.L. Schwarz. 23 5. Appendix III. The Geological Survey of the Division of Kentani by A.W. Rogers & E.H.L Schwarz. Section. 48 "Map of the Division of Kentani shewing the distribution of the igneous rocks. Based on the Map of Mr C. Neumann Thomas, Cape Town, 1892. from the work of Messrs. A.W. Rogers, M.A., F.G.S and E.H.L. Schwarz, A.R.C.S., F.G.S." Scale 1 mile = 1 inch.

G 6 '03 7TH ANNUAL REPORT, FOR 1902. 128 pp.

1. Chairman's Letter. 2. Report of the Acting Geologist. [A. W. Rogers]. 3 3. Report on Part of the Matatiele Division with an account of the Petrography of the volcanic rocks, by E.H.L. Schwarz. A monochrome map at 2 miles = 1 inch to illustrate the Geology of Matatiele. 11 4. Report on Parts of the Divisions of Beaufort West, Prince Albert and Sutherland by A.W. Rogers & E.H.L. Schwarz. 97

G46 '04 8TH ANNUAL REPORT, FOR 1903. 205 pp.

1. Chairman's Letter. 2. Report of the Director. [A. W. Rogers]. 3 3. Geological Survey of Parts of Ceres, Sutherland and Calvinia, by A.W. Rogers & A.L. du Toit. with 4 maps and 4 sections, incl. a maps of the Sutherland pipes (300 ft = 1 inch), Saltpetre Kop (1000 ft = 1 inch), sketch-map of Agglomerate sheet on Blaauw Blommetjies Kop & Map to illustrate report on Sutherland Calvinia & Ceres (5 miles = 1 inch). 9 4. Geological Survey of Prince Albert, Willowmore and Uniondale, by E.H.L. Schwarz. Map at 4 miles = 1 inch. 72 5. Geological Survey of Parts of Piquetberg, Clanwilliam and Van Rhyn's Dorp, by A.W. Rogers. 140 6. Geological Survey of Elliot and Xalanga, Tembuland, by A.L. du Toit. 169

G26 '05 9TH ANNUAL REPORT, FOR 1904. 181 pp.

1. Chairman's Letter. 1 2. Report of the Director. [A. W. Rogers]. Diagram showing areas mapped by the Geological Survey 1896-1904. 3 Table of Strata. 8 3. Geological Survey of the North-Western Part of Van Rhyn's Dorp, by A.W. Rogers, with a map & 5 Diagrams. 9 4. Geological Survey of the Long Kloof, by E.H.L. Schwarz, with 2 Maps & 4 Diagrams. 47 5. Geological Survey of Aliwal North, Herschel, Barkly East and Part of Wodehouse, by A.L. du Toit, with a map & 12 Diagrams. 71 6. Index.

G24 '06 10TH ANNUAL REPORT, FOR 1905. 296, vi pp.

1. Chairman's Letter. 1 2. Report of the Director. [A. W. Rogers]. 3 2A. Statement of Receipts and Disbursements. 3. Geological Survey of Parts of the Divisions of Uitenhage and Alexandria, by A.W. Rogers, Map & 6 sections. 9 Contents: Topographical features. Geological structure of the area. The Table Mountain Series. The Witteberg Series. The Dwyka Series. The Uitenhage Series. The Enon beds. The Wood beds. The Sunday’s River beds. (a) Coega Valley (b) The Sunday’s River Valley. The Zwartkops Salt Pan. The Volcanic Rocks. The Warm Springs at Balmoral. The Marine beds of Tertiary or recent age. The gravels. Appendix.- The occurrence of Wood beds on the Loerie and Gamtoos Rivers. 4. Geological Survey of the Coastal Plateau in the Divisions of George, Knysna, Uniondale and Humansdorp, by E.H.L. Schwarz, with a Map & 15 Illustrations. Appendix: The mineral deposits of Knysna, Return of Gold Registered at Millwood. 47 5. Geological Survey of Glen Grey and Parts of Queenstown and Wodehouse, including the Indwe Area, by A.L. du Toit, with a Map & 7 Diagrams. 95 6. Geological Survey of Parts of Hay and Prieska, with some Notes on Herbert and Barkly West, by A.W. Rogers, with a Map & 5 Diagrams. 141 7. Geological Survey of Portions of the Divisions of Vryburg and Mafeking, by A.L. du Toit with a Map & 4 Diagrams. 205 8. Geological Survey of the Divisions of Tulbagh, Ceres and Worcester, by E.H.L. Schwarz, with 16 Illustrations (on Field Work mainly done in 1896). 259 9. A Raised Beach Deposit near Klein Brak River, by A.W. Rogers, with a Plan. 291 10. Index.

G10 '07 11TH ANNUAL REPORT, FOR 1906. 176, iv pp. [8vo:1400].

1. Chairman's Letter. 1 2. Report of the Director. [A. W. Rogers]. Includes index to Geological Maps at 100 miles = 1 inch. 3 3. Geological Survey of Parts of Bechuanaland and Griqualand West, with 12 Figures, by A.W. Rogers. 7 4. Geological Survey of the Eastern Portion of Griqualand West, with 13 Figures, by A.L. du Toit. 87 5. Index.

G17 '08 12TH ANNUAL REPORT, FOR 1907. 192 pp. [1300].

1. Chairman's Letter. 3 2. Report of the Director. [A. W. Rogers]. 5 3. Geological Survey of Parts of Vryburg, Kuruman, Hay and Gordonia. Two Maps & 13 Figures. By A.W. Rogers. 11 4. Geological Survey of Portions of Mafeking and Vryburg. Three Figures. By A.L. du Toit. 123 5. Geological Survey of Portion of Hopetown, Britstown, Prieska and Hay. With One Figure. By A.L. du Toit. 159 Index

G16 09 13TH ANNUAL REPORT, FOR 1908. 139, iii pp. [8vo:1475].

1. Chairman's Letter. 3 2. Report of the Director. [A. W. Rogers]. 4 3. Report on the Geology of Parts of Prieska, Hay, Britstown, Carnarvon and Victoria West. With 14 Figures, by A.W. Rogers & A.L. du Toit. 9 4. The Kimberlite and Allied Pipes and Fissures in Prieska, Britstown, Victoria West and Carnarvon. With 3 Figures, by A.L. du Toit. 111 5. Notes on a Journey to Knysna. With 1 Plan, by A.W. Rogers. 129 6. The Tygerberg Anticline in Prince Albert, by A.W. Rogers. 135 Index

G34 '10 14TH ANNUAL REPORT, FOR 1909. 116, vi pp. [8vo:1600].

1. Chairman's Letter. 2 2. Report of the Director. [A. W. Rogers]. 3 3. Report on the Geology of parts of Kenhardt, Prieska, and Carnarvon. With 10 Figures, by A.W. Rogers & A.L. du Toit. 7 4. The Zwartkops bore-hole, by A.W. Rogers. 109 Index i-vi

The Geological Commission as a division of the Department of Mines of the Union of South Africa

UG31 '11 15TH ANNUAL REPORT, FOR 1910. 142 pp. [1700].

1. Chairman's Letter. 1 2. Director's Report. [A. W. Rogers]. 3 3 Report on the Geological Survey of Parts of the Divisions of Beaufort West, Fraserburg, Victoria West, Sutherland and Laingsburg. By A.W. Rogers, with a map and 6 diagrams. 9 4. Report on the Geological Survey of Maclear, and Portions of Engcobo, Mount Fletcher, Qumbu, and Mount Frere. With 2 maps and 2 figures. By A.L. du Toit. Geological Map of Part of the Drakensberg, and Geological Map of the Gubenxa Coalfield, both at a scale of 1 mile = 1 inch. 69 5. Report on the Copper-Nickel Deposits of the Insizwa, Mount Ayliff, East Griqualand. With 1 map and 4 figures. Shows localities of shafts, adits and claims. Scale 1½ miles = 1 inch. By A.L. du Toit. 111 6. Index I

UG41 '12 16TH ANNUAL REPORT, FOR 1911. 136 pp. [1450].

1 Chairman's Letter 2 2 Report of the Director [A. W. Rogers]. 3 3 Report on the Geological Survey of Parts of the Divisions of Van Rhyn's Dorp and Namaqualand. With figures. By A.W. Rogers. 7 4 Report on the Geological Survey of Part of the Transkei. With 1 map & figures. By A.L. du Toit. Geological Map at 5000 Cape Roods = 1 inch. 86 5 Report on the Geological Survey of Part of the Stormbergen. With 1 Map and 1 Figure. By A.L. du Toit. Geological Map of the Area adjoining Telemachus Kop at 300 Cape Roods = 1 inch. 112 6 Index. Index map to 1:238 000 Geological Maps of the Cape. 137

INDEX

Index to the Annual Reports of the Geological Commission for the years 1896 - 1903. Compiled by E.H.L. Schwarz, Cape Town. 52 pp. 1904.