432 GEOLOGICAL EXCURSION TO THE ROCKY MOUNTAINS. 



Pikes Peak known the world over, the mountain proper has yielded but 

 few specimens of note. The chief interest in ascending Tikes Peak 

 centers in the magnificent view of mountain and of plain to be obtained 

 from its summit and from the cars in making the ascent. A beautiful 

 alpine tlora may be found below the debris of the summit, and espe- 

 cially on the southern slope. 



Pig. 25. — Pikes Peak railway. 



The above sketch by M. Eysseric, of the visiting geologists, was 

 taken on the southern slope above timberline. 



The list of minerals found in the granite of the Pike's Peak region 

 embraces orthoclase, microcline, albite, biotite, muscovite, quartz (smoky 



