SECOND EDITION, Revised. 



PRACTICAL GEOLOGY 



WITH A SECTION ON PALAEONTOLOGY. 



BY 



GRENVILLE A. J. COLE, F. G.S., 



Professor of Geology in the Royal College of Science for Ireland. 

 With Numerous Illustrations and Tables. Large Crown 8vo. Cloth, xos. 6cl. 



GENERAL CONTENTS. 

 PART I. SAMPLING OF THE EARTH'S CRUST. 



Observations in the field. I Collection and packing of specimens. 



PART II. EXAMINATION OF MINERALS. 



Some physical characters of minerals. 

 Simple tests with wet reagents. 

 Examination of minerals with the blowpipe. 

 Simple and characteristic reactions. 



Blowpipe-tests. 



Quantitative flame reactions of the felspars 



and their allies. 

 Examination of the optical properties of 



minerals. 



PART III. EXAMINATION OF ROCKS. 



Introductory. 



Rock-structures easily distinguished. 

 Some physical characters of rocks. 

 Chemical examination of rocks. 

 Isolation of the constituents of rocks. 

 The petrological microscope and microscopic 

 preparations. 



The more prominent characters to be ob- 

 served in minerals in rock-sections. 



Characters of the chief rock-forming minerals 

 in the rock -mass and in thin sections. 



Sedimentary rocks. 



Igneous rocks. 



Metamorphic rocks. 



Introductory. 



Fossil generic types. Rhizopoda ; Spongiae 



Hydrozoa ; Actirozoa. 

 Polyzoa ; Brachiopoda. 

 Lamellibranchiata. 



Pteropoda 



PART IV. EXAMINATION OF FOSSILS. 



Scaphopoda ; Gastropoda ; 



Cephalopoda. 

 Echinodermata ; Vermes. 

 Arthropoda. 

 Suggested list of characteristic invertebrate 



fossils. 



"Prof. Cole treats of the examination of minerals and rocks in a way that has never 

 been attempted before . . . DESERVING OF THE HIGHEST PRAISE. Here indeed are 

 'aids' INNUMERABLE and INVALUABLE. All the directions are given with the utmost clear- 

 ness and precision. Prof. Cole is not only an accomplished Petrologist, he is evidently also 

 a thoroughly sympathetic teacher, and seems to know intuitively what are stumbling-blocks 

 to learners a rare and priceless quality." Athenceum. 



"To the younger workers in Geology, Prof. Cole's book will be as INDISPENSABLE as a 

 dictionary to the learners of a language." Saturday Review. 



"That the work deserves its title, that it is full of ' AIDS,' and in the highest degree 

 ' PRACTICAL,' will be the verdict of all who use it." Nature. 



" A MOST VALUABLE and welcome book . . . the subject is treated on lines wholly 

 different from those in any other Manual, and is therefore very ORIGINAL." Science Gossip. 



" A more useful work for the practical geologist has not appeared in handy form.' 1 

 Scottish Geographical Magazine. 



" This EXCELLENT MANUAL . . . will be A VERY GREAT HELP. . . . The SCCtion 



on the Examination of Fossils is probably the BEST of its kind yet published. . . . FULL 

 of well-digested information from the newest sources and from personal research." Annals 

 of Nat. History. 



LONDON: CHARLES GRIFFIN & CO., LTD., EXETER STREET, STRAND. 



