Gold Seeking in South Africa: A Handbook of Hints for Intending Explorers, Prospectors, and Settlers : with a Chapter on the Agricultural Prospects of South AfricaC. Griffin, 1902 - 134 Seiten |
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Seite 3
... containing such possibilities there must often be disastrous results owing to unwise speculation . These , in the main , are attributable to the short sightedness of investors , who purchase or peg out valueless ground , go to ...
... containing such possibilities there must often be disastrous results owing to unwise speculation . These , in the main , are attributable to the short sightedness of investors , who purchase or peg out valueless ground , go to ...
Seite 7
... contain specimens indicative of the mineral deposits and geological formations occurring within the river basin . By examining the large water - worn pebbles a general idea can be formed as to the places where the rocks they have been ...
... contain specimens indicative of the mineral deposits and geological formations occurring within the river basin . By examining the large water - worn pebbles a general idea can be formed as to the places where the rocks they have been ...
Seite 9
... containing the richest gold ; d , diorite dyke . Fig . 2. - Deposits on river banks . - a , The current of water turned aside n two places ; b , alluvial deposits in the bends of the river . Large boulders of hard rock turn the water ...
... containing the richest gold ; d , diorite dyke . Fig . 2. - Deposits on river banks . - a , The current of water turned aside n two places ; b , alluvial deposits in the bends of the river . Large boulders of hard rock turn the water ...
Seite 12
... containing fine gold , the sluices are made longer , and mercury is added , for the purpose of catching the gold , which blends with the mercury and forms " Amalgam . " 4 The nuggets and fine gold are collected and cleaned in 12 GOLD ...
... containing fine gold , the sluices are made longer , and mercury is added , for the purpose of catching the gold , which blends with the mercury and forms " Amalgam . " 4 The nuggets and fine gold are collected and cleaned in 12 GOLD ...
Seite 13
... contains gold in one place , and farther on none at all ; but , on closer examination , sometimes one finds the gold in the casing ( " casing " means the formation next to the usual gold - bearing body ) . Often outcrops cannot be ...
... contains gold in one place , and farther on none at all ; but , on closer examination , sometimes one finds the gold in the casing ( " casing " means the formation next to the usual gold - bearing body ) . Often outcrops cannot be ...
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Gold Seeking in South Africa: A Handbook of Hints for Intending Explorers ... Theo Kassner Keine Leseprobe verfügbar - 2016 |
Gold Seeking in South Africa: A Handbook of Hints for Intending Explorers ... Theo Kassner Keine Leseprobe verfügbar - 2017 |
Gold Seeking in South Africa: A Handbook of Hints for Intending Explorers ... Theo Kassner Keine Leseprobe verfügbar - 2017 |
Häufige Begriffe und Wortgruppen
African alluvial deposits amalgam April August auriferous Barberton basin CHAPTER CHARLES GRIFFIN chlorite chlorite schist chutes clay conglomerate reefs contains Creek Crown 8vo December decomposed Devil's Kantoor diorite diorite dykes district dwts dwts grs east EDITION Engineer EXETER STREET exposed farm February foot-wall gold-bearing Goldfield granite hanging-wall Hill igneous rock Illustrations inches Jamestown January Johannesburg July June Kaap river Kaap Valley Klein Letaba Klerksdorp kloofs Komati Krugersdorp layers limestone lodes Lydenburg main belt Main Reef leader Main Reef series miles mining Moodies mountains Murchison Range November nuggets numerous occur October ounces outcrops outputs overlying oxidised ozs dwts pebbles Pilgrim's Rest places Plate pockets Potchefstroom PROF prospecting prospectors pyrites quartz quartz reef quartzite quicksilver reef matter rich running sandstone schist sea level seam September shafts shale Sheba slate soil South Africa South Reef strata strike surface SWAZILAND SYND table-lands thin timber Transvaal veins Witwatersrand
Beliebte Passagen
Seite 48 - FGS, Borough Engineer and Surveyor, Fulham ; late Borough Engineer, Bacup, Lanes. GENERAL CONTENTS. Introduction. — Hydraulics. — Velocity of Water in Pipes. — Earth Pressures and Retaining Walls. — Powers. — House Drainage.- Land Drainage. — Sewers. — Separate System. — Sewage Pumping.— Sewer Ventilation. — Drainage Areas.— Sewers, Manholes, &c.— Trade Refuse.— Sewage Disposal Works.
Seite 25 - ENGINE-ROOM PRACTICE : A Handbook for Engineers and Officers in the Royal Navy and Mercantile Marine, including the Management of the Main and Auxiliary Engines on Board Ship. BY JOHN G. LIVERSIDGE...
Seite 44 - Review of the Cement Industry — The Early Days of Portland Cement — Composition of Portland Cement — PROCESSES OF MANUFACTURE — The Washmill and the Backs — Flue and Chamber Drying Processes — Calcination of the Cement Mixture — Grinding of the Cement — Composition of Mortar and Concrete — CEMENT TESTING — CHEMICAL ANALYSIS of Portland Cement, Lime, and Raw Materials — Employment of Slags for Cement Making — • Scott's Cement, Selenitic Cement, and Cements produced from Sewage...
Seite 36 - Societies — Loading of Ships — Shipping Legislation, 1884 to 1894 — Statistics of Shipping. THE PERSONNEL : Shipowners— Officers— Mariners — Duties and Present Position. EDUCATION : A Seaman's Education : what it should be — Present Means of Education — Hints. DISCIPLINE AND DUTY — Postscript — The Serious Decrease in the Number of British Seamen, a Matter demanding the Attention of the Nation.
Seite 28 - BY THE SAME AUTHOR. KITCHEN BOILER EXPLOSIONS: Why they Occur, and How to Prevent their Occurrence. A Practical Handbook based on Actual Experiment. With Diagram and Coloured Plate. Price 33.
Seite 40 - SHIP. BY THOMAS WALTON, NAVAL ARCHITECT. Specially arranged to suit the requirements of Ships' Officers, Shipowners, Superintendents, Draughtsmen, Engineers, and Others. This work explains, in a simple manner, such important subjects as: — Displacement. — Deadweight.— Tonnage. — Freeboard. —Moments. — Buoyancy.— Strain Structure. — Stability.— Rolling — Ballasting. — Loading. — Shifting Cargoes. — Admission of Water.— Sail Area.— &c.
Seite 46 - THE MEAN DENSITY OF THE EARTH : An Essay to which the Adams Prize was adjudged in 1893 in the University of Cambridge. By JH POYNTING, Sc.D., FRS, Late Fellow of Trinity College, Cambridge; Professor of Physics, Birmingham University. In Large 8vo, with Bibliography, Illustrations in the Text, and Seven Lithographed Plates. 12s. 6d. " Cannot fail to be of GREAT and GENERAL INTEREST."— Athenteum.
Seite 39 - General Contents. — The Qualification for the Position of Shipmaster — The Contract with the Shipowner — The Master's Duty in respect of the Crew : Engagement ; Apprentices ; Discipline ; Provisions, Accommodation, and Medical Comforts ; Payment of Wages and Discharge — The Master's Duty in respect of the Passengers — The Master's Financial Responsibilities— The Master's Duty in respect of the Cargo— The Master...
Seite 20 - In Quarto, Handsome Cloth. With Numerous Plates. 255. THE HEAT EFFICIENCY OF STEAM BOILERS (LAND, MARINE, AND LOCOMOTIVE). With many Tests and Experiments on different Types of Boilers, as to the Heating Value of Fuels, &c., with Analyses of Gases and Amount of Evaporation, and Suggestions for the Testing of Boilers.
Seite 35 - Quite the BEST PUBLICATION on this subject."— Shipping Gazette. Latitude and Longitude : How to find them. By WJ MILLAR, CE SECOND EDITION, Revised. 2s. " Cannot but prove an acquisition to those studying Navigation."— Marine Engineer, Practical Mechanics : Applied to the requirements of the Sailor.