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

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Index

Document type:: Monograph

Structure type:: Index

Title:: Subject index

Collection:: Economics Books

SUBJECT INDEX ALITE, 187. Alluvial deposits, 71, 128. Alluvial goldfields, 53; ores re deposited, 32, 37, 110, 147 ; cop: per, 95; lead, 107; zinc, 110. Aluminium, 152-6; production of, 153; uses and separation, 152; (cf. Bauxite). Anthracite, 261, 264-5, 268, 271-2, Antimony, price, 125; qualities, 125; ores of, 125-7; China, chief producing country, 125; distribution, 126; formation, 126-7; replacement deposits, 126-7. Apatite, 200-1. Arsenic, qualities, 127; ores of, 127-8; association, 127; pro- duction, 128. ‘“ Artesian ”’ wells, 231. Asbestos, 160-1 ; price, 161 ; varie ties and uses, 160, Asphaltic limestones, 32. BaNKET in South Africa, 57-63; in West Africa, 51, Barysphere, 16. Baum scale, 276. Bauxite, 30, 153-6; composition, 153 ; formation, 153-4 ; uses and qualities, 155-6. Bedded mineral deposits, 31, 154, 199, 201-5; bedded ores—cop- per, 82, 93-5 ; ironstones, 144-7 ; lead, 108; tin, 74-5. Bentonite, 174. Block-lode, 8. Bismuth, 129 ; mainly alluvial, 128; price, 128 ; uses, 128. Bittern, 31. Bitumen veins, 183, 280 (see Coa and Oil). Bog iron ores, 31, 147. Bonanzas, 102. Bort, 165. Brea, 280, 282, 289. Building stones, 175-82 ; air, effect of, 176; baryta method of pre- servation, 181-2; changes of temperature, effect of, 176; de- cay, causes of, 175; dolomite, 180; Hirschwald’s test of weaken- ing by frost, 178; limestones, 180; microscopic examination of, 179; organic agencies, attack by, 176; Panama ‘ breaks,” 179; Parliament House, decay of stone, 175, 180; resistance to shearing, 177; sandstone, 180; slate, 181; specific gravity of, 178; stone preservation, 181; tests of durability, 177-8; varie- ties of, 180 ; water, effect of, 176 ; of Westminster Abbey, 175, 181 ; wind, cutting action of, 176. CAPEL, 28. Carbonado, 165. Cassiterite, 52, 71. Celite, 187. Cements, 185-9; alite, 187 ; celite, 187 ; classification, 185; defini- tion, 185 ; meaning of name, 185 ; hydraulic cement, 186; its redis- covery, 185; its nature, 187; origin of, 188; qualities, 189. Gypsum, 188 ; hard plaster, 189; plaster of Paris, 188. Portland cement, 187 ; price of, 188. Chromium, 150-1; distribution, 150-1 ; price, ISI; qualities, 150; secondary origin of, 151. Clay, 168-74, 191-4, composition of, 168; essential properties of, -

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