CONGLOMERATE ROCKS. 583 



a. The fragments of granite imbedded. 



b. An aggregation of fragments of granite 



and of micaceous schist or gneiss. 



These occur in Scotland near granite. 



E. Granite uniting fragments of the same rocks, 

 and presenting similar modifications. 



Where micaceous schist or gneiss approxi- 

 mate to granite, the latter often contains frag- 

 ments of those rocks in such abundance as to put 

 on the appearance of a conglomerate. This is 

 common in Rannoch and in Aberdeenshire. 



F. Quartz imbedded in limestone: local. 



a. In angular fragments. 



b. In rounded pebbles. 



These occur both among the primary and the 

 secondary rocks ; in the latter, in Arran and 

 elsewhere. 



G. Trap imbedded in limestone, and in the accom- 

 panying shale ; local. 



The trap is in rounded nodules, generally 

 bearing the marks of weathering on the surface. 

 These occur with the secondary limestones, in 

 Sky and elsewhere. 



H. An aggregate of fragments of argillaceous 

 schist and chlorite schist : local. 



