MINERALOGICAL QUERIES. 



3. If a general direction and dip occurs amongst 

 the strata oi which the crust of the earth 

 is composed, is it the same in the three great 

 classes of rocks, — in primitive, transition, and 

 flcetz ? 



4. Is it probable that iron, and other metals al- 

 lied to it, occur in greater quantity in the 

 north-polar, than the equatorial regions ; and 

 does it appear probable, from the observations 

 hitherto made, that silver and other metals 

 oryctognostically and geognostically allied to 

 it, occur far more abundantly in the equato- 

 rial than the polar regions ? 



g. Is it probable that quartz will be found to be 

 the oldest rock of the crust of the earth ? 



II. Particular Queries. 



A. Geognostical Queries. 

 a. Scotland. 



I. Does the granular rock, of Fassney- 

 burn in East Lothian^ belong to the trari- 



