THE DEPOSITS OF THE SEA-BOTTOM. 



5* 



In the next table is noted the nature of the double refracting, clear grains; as many minerals, 

 as can be recognized, are enumerated and calculated in per ct. There is everywhere a remnant left 

 almost exclusively consisting of quartz and feldspar, especially of the former mineral. The minerals 

 not found in the enumerated part of the specimen, are also here marked with a -f-. 



Table II showing the Nature of the Sandy Ingredients. 



7* 



