Geologic Units

Hydrogeologic Units

Nomenclature SPC

Thickness range, in meter

Model layer

System

Series

Formation

Tertiary

Distal accretion

Plio-quaternary

Model Top

Sables

~0 or 5

1

Lower Miocene

Upper aquifer

(Unconfined)

Coarse sand ferruginous series

5 to 21

Aquitanian

Oligocene

21 to 43

Eocene-Paleocene

43 to 65

Quaternary

Proximal accretion

Maestrichtian

65 to 83

Senomien

Campanian

Santonian

Coniacien

83 to 94

Turonian

Cenomanian

94 to 100

Albian

Transition

Upper and lower confining units

(Not simulated)

Clay-gresco-dolomitic series

100 to 106

Impervious

Dolomitic calcaro series

Lagoon evaporitic

Aptian

Anhydritic series

106 to 113

Salifere

Chela

Limnic

lacustrine

Neocomian Barremian

Lower aquifer

(Convertible)

Infrasalifere series

Series of arkoses and psammites at the edge of the base

113 to 118

2

Neocomian

118 to 131

Base of model