














































INTRODUCTION 5 
Eras | “Periods. | Epochs 
| | 
| Alluvium | Recent Deposits 
Quarternary | ami Pons: ee : 
System Diluvium | One ae Series 
(Pleistocene) pees ” 
2] oes + Preglacial 
= | A Sicilian Series (Sicilien 
S 2 uecr ag J Astian 5, | ney 
a Pontian Series “ar (Pontien) 
1) a < | Sarmatian ,, (Sarmatien) 
) MS Miocene | Tortonian ,, (Lortonien) 
o Helvetian ,, _ (Helvetien) 
N Tertiary System a ke! | Burdigalian Series ei (Burdigalien) 
e > Oligocene | Aquitanian Series (Aquitanien) 
BS} oF | Tongrian Se _ (Tongrien) 
5 | Ligurian Series (Ligurien) x) 
| gp = | Bartonian (Bartonien) 
as. Eocene | Parisian. e (Lutetien) 
| a Suessonian ,, (Suessonien) 
oll zs —. Thanetian ,, ___ (Thanetien) 
“Danian Series (Danien) = 
Upper Cretaceous | Senonian ,, (Senonien) 
Creta pies 3 (Turonien) 
ceous | | Cenomanian Series (Cenomanien) 
| System Gault Series (Albien) 
Lower Cretaceous | Aptian and Urgonian Series (Aptien, Urgonien) 
, Barremian Series (Barrémien) 
2, a a et ae Neocomian ,,, (Neocomien) 
= 4 | Tithonian and Portland Series (Portlandien) 
2 Upper Jurassic | Kimineridgian (Kimmeridgien) 
ro] (Malm) Oxfordian (Oxfordien) 
3 idaie 3 Kellaway ae (Callovien) 
a) : | iddle Jurassic Bath or Great Oolite Series (Bathonien) 
= Jurassic System penaet (Dogger) n Bajeux or Inferior Oolite Series (Bajocien) 
S . Toarcian Series ' ~ (Toarcien) 
o Lower Jurassic | Charmouthian Series (Liasien) 
i = (Lias) ee 5 (Sinemurien) 
| Hettangian ,, (Hettangien) 
= = =| a = 
Upper Triassic Rhaetic Series (Rhaetien) 
Pieeuren Carniolan ,, (Carnien) 
; : Norian 5 (Norien) 
Triassic System Middle Triassic Ladinian Series (Ladinien) 
_____ (Muschelkalk) | Virglorian ,, (Virglorien) 
(Bunter Sandstein) oer SEneS CN iereteny 
Permian System Saari ipaehatein } Dineen Series (Thuringien) a 
| thli unjabian —,, (Punjabien) 
(Dyas) Rothliegendes Autunian es (Autunien) 
| A Uralian Series (Uralien) 
Parpontereys Coal Measures ce Muscovian Ff (Moscovien) 
ystem Carboniferous Limestone Di Poy AM = : 
inantian Series (Dinautien) 
2, (Culm) Linfray pagent te? 
5 j Famennian Series “(Famennien) 
& RANI Upper Devonian Frasnian v (Frasnien) 
onian Givetian 3 (Givetien) 
2 System Middle Devonian Eifelian Series — (Bifelien) 
So : | Coblenzian Series (Coblenzien) 
= Lower Devoplan Hs Gedinnian a (Gedinnien) 
o : | Ludlow Series 
Ss Silurian | Wenlock ,, (Gothlandien) 
Ss ' f | | Upper Llandovery Series 
Ay Silurian System -| 
Ordovician | Bala or Caradoc Series 
(Lower Silurian) | eee ne (Ordovicien) 
3 enig 
: Tremadoc Series me : 
Cambrian ups no aeen Bastion oj, (Potsdamien) 
System Middle Cambrian Menevian Series (Acadien) 

Lower Cambrian 
Harlech Series 
(Georgien) 



Arch- 
aean 
Group 
Primitive Schist | 
System 
Gneiss System 
Phyllite (Primitive Schists, 
Mica and Chlorite Schists, 
etc.) 
Gneiss 

Precambrian Series 
(Algonkien) 


