The Elements of economic geology

Bibliographic data

Monograph

Identifikator:: 1773832379

URN:: urn:nbn:de:zbw-retromon-172798

Document type:: Monograph

Author:: Gregory, John W. http://d-nb.info/gnd/11683014X

Title:: The Elements of economic geology

Place of publication:: London

Publisher:: Methuen

Year of publication:: 1928

Scope:: XIV, 312 S.; graph. Darst.

Digitisation:: 2021

Collection:: Economics Books

Usage license:: Get license information via the feedback formular.

Document type:: Monograph

Structure type:: Contents

Collection:: Economics Books

THE ELEMENTS OF ECONOMIC GEOLOGY CHAPTER XV PAGE THE GEOLOGY OF CEMENTS . . 185 Definition and Groups of Cements. Hydraulic and Portland Cements. Price. Gypsum Cements— Plaster of Paris. CHAPTER XVI THE SoIL . . 19 Definition and Function. Soil Constitution—Sand, Clay, and Silt. Soil Composition. Soil Texture and Water Capacity. Soil Composition and Surveys. CHAPTER XVII MINERAL FERTILIZERS—NITRATES AND PHOSPHATES . . I Nitrates characteristic of Arid Areas. Theories of Formation. Phosphates—Value and Use of Phosphorus. Apatite Veins. Guano. Rock Phosphates. Lagoon Phosphate. Granular Phosphates and Phosphatic Chalk. CHAPTER XVIII THE SALT DEPOSITS 3 . . 206 Composition of Sea-water. Concentration in Salt Lakes, The German Salt Fields. Intrusive Salt Deposits and Salt Domes. Potash Salts—value in Agriculture, Derived from Sea-water. Secondary Concentrations. ENGINEERING GEOLOGY CHAPTER XIX PART 1V WATER SUPPLY ; . 2I¢ Three Sources of Water—Meteoric, Connate, Plutonic or Juvenile, Disposal of Rainfall—Run-off, Evaporation, Percolation, Circulation of Subterranean Water— Piezometers. The Yield of Wells—Water-storage. Wells and Springs. Flowing Wells. Rock Pressure. Gas Pressure. Town Supplies and Settlement. Reservoir Sites, CHAPTER XX CoAST DEFENCE, COASTAL WORKS, AND RECLAMATION . . 238 Waves and Wave Action. Recession of the Land. Transport of Beach Material, Continental Shelf. Rate of Marine Abra. sion, Coastal Accretion. Warping—the Silting of Estuaries. Coastal Protection by Planting and Groynes. Sea Walls, Estuary Works and Models.

Access restriction

Copyright

fullscreen: The Elements of economic geology

Monograph

Contents

Table of contents

Download

Monograph

Chapter

This page

Image fragment

Citation links

Citation recommendation