46 GEOLOGY. 



Are our means of information respecting the original 

 state and numerous changes of the earth, abundant or 

 scanty ? 



Is the history of our earth which is contained in the 

 first chapter of Genesis, corroborated or annulled by 

 its present state, as learned by Geologists? 



What was the state of the earth when ' it was without 

 form and void,' a liquid or solid ? 



What was probably the solvent power, heat or water, 

 or both? 



Have the changes the earth has undergone in coming 

 to its present state, been confined to a few periods, or 

 have they been constant? 



In the order of creation, which was formed first, the 

 mineral or vegetable kingdom? the vegetable or animal? 



What solid substance was first formed from the gene- 

 ral chaotic ocean? 



Of how many ingredients is granite composed, and 

 what their names ? 



Which is coarsest, the most ancient, or most recent 

 granite ? 



In what kind of granite is felspar the most abundant, 

 old or recent ? 



For what useful purpose in the arts, is quartz used ? 



Of what is porcelain made ? 



Which ingredient in granite has been used as a sub- 

 stitute for glass ? 



What is the origin of porcelain clay, or kaolin ? 



Which is coarsest, gneiss or granite ? 



Which is most of the character of slate ? 



How many ingredients in mica slate ? and are they 

 fine or coarse? 



Is mica slate usually even or undulating in its sur- 

 face ? 



When granite or gneiss passes into sienite, what sub- 

 stance takes the place of mica? 



Is hornblende harder or less hard than mica ? which 

 most easily divided into scales? 



Is hornblende of a dark or light color? 



In sienite, is it more or less abundant than felspar? 



In what part of the country does sienite abound? For 

 what purpose is it used ? 



