Twenhofel, W. H.  <br/><br/>
Methods of study of sediments /   
W. H. Twenhofel and S. A. Tyler. 
 - New York :   McGraw-Hill,   1941. 
 - 183 p. 
<br/><br/> Introduction - The field study of sediments - Collection of samples and specimens - Preparation of sediments for analysis - Mechanical analysis of sediments - Separation of minerals of sediments - Quantitative determination of mineral content - Graphical representation of sediments - Chemical methods of mineral separation - Various physical properties of sediments - Coals - Thin sections, mounting of mineral grains and peels. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SEDIMENTOS
<br/><br/><label>Universal Decimal Class. No.: </label>556.535.6