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Insoluble Residues Of The Lower Mississippian Limestones Of The Madison Group, Fred G. Lines
Insoluble Residues Of The Lower Mississippian Limestones Of The Madison Group, Fred G. Lines
Bachelors Theses and Reports, 1928 - 1970
The correlation of non-fossiliferous drill samples is one of the difficult problems that is enÂcountered in sub-surface stratigraphy. In order to truly correlate a formation, it must have some dis tinctive features and have an areal persistence of these features. These requirements are probably met best by limestone.
A Study On The Origin Of Banded Agate, James E. Driscoll
A Study On The Origin Of Banded Agate, James E. Driscoll
Bachelors Theses and Reports, 1928 - 1970
Agate in any of its varieties presents numerous problems in regard to its origin. Many types have been described and their beauty elaborated upon, but little has been written concerning their formation and the problems involved. The genesis of agate implicates an amazing complexity of physical and colloidÂal chemistry, as well as, various principles of geology.