

fcni ODS 



HIMALAYAS 



SWISS ALPS 

 PVRENEES 



EASTERN ALPS 

 (Partly) 



S-M;iacE«©?$^ 



^Mt&Slif^if^i206^: 



itOtFlNESSis 



[ M I I M )■' 



<?RE|TA9E'0fJI 



S'i T' 



1 1 



s 



^^ 



I ' :i4000 



I . JURA|SS\Ci j_|. 



I i !i| i l 



ih 1 1 1 1 II . I , 



'i! I , I ! I .-iJ. 



OOQ 



THE HERCYNIAN BELT OF 



i! M I I jj i.iigoop. 



CENTRAL EUROPE? 



''r^//<'^. 



>„<./-, 



'/.CAJ^BOI^IEERppS' 





/^/ 





'//// 



Yy////////Aim\ 





SCOTTISH HIGHLANDS/ 



SILURIAN 



FINLAND 



E.SCANDINAVIA 



S.BOHEMIA 



15000 



ORDOVICIAN 



17000 



CAMBRIAN 



16000 



ALGONKIAN 



ARCHAEAN 



ys^ 



ROCKY 

 MOUNTAIN 



■ I I I I I , 



I I I N I I I . 



TV (LARAMIE) 



T^ 



lie 



' I ' I 



ll I ll ll 



iTf'f^f'F 

 I ■ I i I ! I , I : I i 



ili'i 



1^ 



iRMl, 



I I 



IAN 



SIERRA NEVADA 



PALISADE 



APPALACHIAN 



/////.->/■>// 



yv/////^^^;^ 



l/S 



k/C^5B0NIF|R0-lJ(^/ / I 





ACADIAN 



TACONIC 



? PRE-CAMBRIAhJ 



? ARCHAEAN 



Pig. 7. — Main divisions of geologic time. The notches at the sides of the scale rep- 

 resent chiefly the periods of mountain uplift in the northern hemisphere of the Old 

 World (left) and the New World (right). (From Osborn's " The Age of Mammals.") 



29 



