INDEX. 



1251 



Page. 

 Carbonaceous rocks, occurrence of gold at intersec- 

 tion of quartz veins with 1094-1095 



Carbonate of lime. -See Calcium carbonate. 



Carbonate order of rocks, deposits of ... 791-843 



Carbonates, cement-forming, in belt of cementa- 

 tion, enumeration of__ 621 



character, occurrence, formation, and altera- 

 tions of 236-245 



chemical relations of, to silicates 173-177 



decomposition of, by silica 176-177 



deposition of, conditions of . 624-625 



formation of, extent of. 971-972 



in belt of cementation 165 



with decomposition of silicates 93 



gangue-f or ming, deposition of 1128-1129 



in waters of mineral springs, content of 611 



solubility of, increase of, by pressure 78 



Carbonation, alteration produced by.. 396 



definition of _ 204-205 



depth and pressure at which silication re- 

 places 180-181 



discussion of 47)3-480,608-612 



extent of 964-966 



as compared with extent of silication 971-972 



in belt of weathering . 163,479 



in belt of cementation 164 



methods of.. 475 



method and extent of, in zone of katamorphism. 161, 

 163, 164-165 



of silicates, discussion of.. 175-176 



relations of, to vegetation 477 



source of carbon dioxide for, in zone of kata- 

 morphism 161 



volume changes incident to 478-479 



Carbonation and defluoridation, alteration pro- 

 duced by 396 



Carbonation and dehydration, alterations pro- 

 duced by 396 



Carbonation and deoxidation, alterations produced 



by _. 396 



Carbonation and desilication, alterations produced 



by _ 396 



Carbonation and hydration, alterations produced 



by 397 



Carbonation, deoxidation, and dehydration, altera- 

 tions produced by 396 



Carbonation, dehydration, and desilication, altera- 

 tions produced by _ 396 



Carbonation, dehydration, and desulphation, altera- 

 tions produced by _ 396 



Carbonation, hydration, and dechloridation, altera- 

 tions produced by 398 



Carbonation, hydration, and desilication, altera- 

 tions produced by 398-399 



Carbonation, hydration, oxidation, and desilica- 

 tion, alterations produced by 399 



Carbonation, hydration, and desulphation, altera- 

 tions produced by 399 



Carbonation, hydration, and silication, alterations 



produced by 399 



Carbonation, oxidation, and hydration, discussion 



of 483-184 



Carbonation, oxidation, dehydration, and desilica- 

 tion, alterations produced by 399 



Carbonic acid, acids replaced by.. 205 



dissociation of, equation showing 85 



importance of, in metamorphism. 85 



Page. 



Carbonic acid, in ground water, presence of 93 



in ground-water solutions, work of 93 



in salts of sea wa*ter, percentage of 942 



replacement of, by silicic acid 94 



replacement of, by silicic acid, volume changes 



resulting from _ 93 



See also Carbon dioxide. 

 Carrara marble, deformation of, experiments in . 811-816 

 deformation of, photographs showing effects of. 814 

 Casehardening of rocks, an illustration of chemical 



action between solids 56 



discussion of _ 546-549 



Cassiterite, deposition of, from gaseous solutions... 1054 



formation of 1127-1128 



Caves in lead and zinc district of Missouri, features 



of 565 



Cavities containing liquid, cut showing . _ _ .' 746 



Cazin, P. M. F., on ore deposition 1111 



Cellulose, composition and geological effects of 452 



oxidation of, acids produced by... _ 46b462 



Cementation, belt of, aqueous solutions in, circula- 

 tion of _ 1024-1028 



belt of, boundaries of 565-566 



belt of weathering contrasted with 166-167 



carbonation in _. 164-165 



chemical changes in, variation of amount of, 



with varying porosity 655-6:56 



chemical reactions in.. 164-167,603-604 



thermal effects of 590 



circulation in, aqueous solutions. 571-593, 1024-1028 



gaseous solutions _._ 1019-1020 



water _. 571-593 



conditions and materials in, variability of _. 594 



definition of 162,164,562-565 



deoxidation in _ __ 164-165 



gaseous solutions in, circulation of 1019-1020 



hydration in _ 164-165,612 



igneous work in ■. 646-652 



limits of __ 43 



materials and conditions in, variability of.. 594 



metamorphic agents in.. 64 



name of, reasons for choosing. _ 563; 



oxidation in. _ 604-603 



processes at work in _ 562-563,594-652 



silicification in, dominance of 176,630' 



transfer of material from belt of weather- 

 ing to _ 53$ 



transition from belt of weathering to 560-561 



variable materials and conditions of 594 



water in, amount of 569-571 



circulation of _ 571-593 



condition of __ 566-569 



work in, chemical __ 602-646 ' 



igneous... 646-652 



mechanical _ ^_. 594-602 



causes of 629-640 



discussion of 617-640 



in zone of anamorphism, discussion of 681-682 



methods of 619-621 



methods and materials of 563-564 



operation of, by igneous injections.. 634 



in conjunction with metasomatism 654 



rate of _ 618-619 



relations of diffusion to __ 636-639 



time necessary for _ 618-619 



Cementing materials in belt of cementation, discus- 

 sion of 621-627 



