Geology, Vol.
章节目录
共 22 章- CHAPTER I.
- CHAPTER II.
- CHAPTER III.
- CHAPTER IV.
- CHAPTER V.
- CHAPTER VI.
- CHAPTER VII.
- CHAPTER VIII.
- CHAPTER IX.
- CHAPTER X.
- CHAPTER XI.
- _The Development of Valleys._
- Horizontal strata expose fewer cleavage
- =Flood-plain terraces due to other cause
- =Varied nature of glacial débris.=—From
- The processes which develop coastal inde
- =Organic rocks.=—While most limestones,
- =Tachylite= (hyalomelane, basaltic glass
- _General Considerations._
- =Depth of source.=—Attempts have been ma
- The physical plane of demarkation betwee
- Onyx, 471