1 IM o| II. I 



a Section of a burW lajd-orfaot ( De k Becbe) . M 



i. Section of inclined Carboniferous rocks. Joppa Quarry, new 



M. Section to show the superficial covering <>' . 9$ 



3* Section of a valley showing the outcrop of a junction of 



sandstone and thole marked by a foe of springs . . 97 

 4. Sbmoo* ouicropt o( b<>riooul Mrmu oVprndmf cm in}oaJi. 



ties of surface . . 103 



15. Trot dip conomled by superficial disturbance of the strata . 10$ 



Hoed strata appearing horizontal when exposed at 



Hf hi ancle to the dip . 106 



Man ahr^i m iKji rlat* frjun wtofK iMMinlaMl ^iilnaii ! 



/. *Mip oowinf UM <uui mm wnicn compmca JWJIOJKTII 



ifi ^ Bid ... 1 1 > 



S. Completed fcoloekml map and Mdion . 116 



ao. Section of an overlap . 119 



jo. Overlap and oncon/ormabilHy. Mendip HflU (De U Becfae) 



- w of Qotoaif. Sutherland . 



9*. Portion of a ecological aectkm with an impotable nncon. 



. 



33. Section of a portion of the Lower Old Red Samtoonr. Pent- 



land Hilb . . 124 



34. Double unconformability at Cullen. Banlbhire 



35. Section of Lia. and New Red Sandstone and marl, cut 



by faults near Watcbet. Bristol Channel (De la Beche) . 129 



36. Section of a fault ... .131 



37. Fatah marked by the rise of springs at the surface . . 133 

 3. Geological section showing bow a prominent feature at the 



surface may be caused by the outcrop of a hard rock 

 intercalated among softer strata 134 



tion of fault with inverted beds on the down-throw side . 137 

 40. View of north face of Beinn a' Mhumidh. Loch Maree. 

 showing bow a cake of Lvwisian gneiss, etc.. has been 

 pushed along a thrust-plane, and now lies above (ancient 

 PalBoaoic) limestone and quaruite 14 J 



trough Betnn a* Mhuinidh. Loch Maree. from north 

 to south . 



