CONTENTS. 



INTRO bixi'OKY NOTICE 



PART I. THE DISTINCTIVE CHARACTERS OF MINERALS 3 



Preliminary Remarks (3). PHYSICAL CHARACTERS (4-18). Aspect or 

 Lustre (4). Colour (5). Streak (6). Form (7). Structure and 

 Cleavage (13). Hardness (14). Specific Gravity (16). Malleability 

 (17). Taste (18). 



CHKMICAL CHARACTERS (18-48). Nomenclature (18). Actions of 

 Acids (20). Application of the Blowpipe (22-48). Blowpipe apparatus 

 (22). Blowpipe Flames (25-27). Fusion Trial (28). Water Test (30). 

 Treatment with cobalt nitrate (31). Roasting (31). Formation of 

 glasses on platinum wire (32). Table or Borax, Phosphor-salt, and 

 Soda Beads (34, 35). Reduction (36). Cupellation (38). Blowpipe 

 Analysis (41, 44). 



PART II. THE MINERALS OF CENTRAL CANADA 49 



Analytical Key (50). Simplified Key (57). Systematic Arrangement 

 (59, 60). Simple Substances (61). Arsenides and Sulphides (67). 

 Oxygen Compounds: Copper Oxides (SO). Iron Oxides (81). Man- 

 ganese Oxides (87). Uranium, Tungstenum, and Titanium Oxides 

 > Alumina and Aluminates (90). Silica and Silicates (91-122). 

 Carbonates (122). Sulphates (129). Phosphates and Arseniates (134). 

 Fluorides and Chlorides (IS" 7 ). Bodies of Assumed Organic Origin 

 (141). 



PART III. ROCKS AND HOCK-PRODUCING AGENCIES 147 



General Classification of Rock Masses (147). Sedimentary Rocks (150- 

 166). Composition of Sedimentary Rocks (150). Formation of Sedi- 

 mentary Rocks (153). Derivation, Deposition, and Consolidation of 

 Sediments (154, 156, 157). Elevation above sea-level (158). Denu- 

 dation (161). Tilting and Fracturing (162). Production of Faults 

 (164). Metamorphism (165). 



Metamorphic or Crystalline-stratiform Rocks (167-174). 



Massive cr Un stratified Rocks (174-191). Granites (177) Anortho- 

 sites (181). Traps and Greenstones (182). Obsidians and Pitchstones 

 (191). Lavas (191). 



Mineral Veins (191-198). 



Classification of Rocks in accordance with their relative periods of 

 formation (199-207). Table of Geological Ages and Periods (201). 

 General Outline of the Earth's history : Archaean Age (203) ; Palaeo- 

 zoic Age (204) ; Mesozoic Age (205) ; Cainozoic Age (206) ; Androzoic 

 or Existing Age (206, 207). 



