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Table 3 Seismic horizons mapped in the new Groß-Schönebeck 3D seismic data set, calibrated with borehole data
Reflector | Horizon | Reflector quality | Stratigraphy |
|---|---|---|---|
B2 | Near base of Upper Cretaceous | Weak (uncertain) | CRETACEOUS |
BLC | Near base of Lower Cretaceous | Weak | |
L2 | Within Jurassic (Pliensbachian) | Variable | JURASSIC Lias |
L4 | Near base of Lower Jurassic | Strong | |
K2 | Near top of Weser Formation | Variable (uncertain) | TRIASSIC Keuper |
K3 | Near top of Grabfeld Formation | Well developed | |
M1 | Near top of Middle Muschelkalk | Strong | TRIASSIC Muschelkalk |
M2 | Within Middle Muschelkalk (anhydrite) | Well developed | |
M3 | Near base of Mittlerer Muschelkalk | Strong | |
S1 | Within Röt Formation (top of anhydrite) | Strong | TRIASSIC Buntsandstein |
S2 | Near base of Röt Formation | Strong | |
X1 | Near top of Zechstein | Strong | PERMIAN Zechstein |
X3 | Near basal anhydrite (Leine Formation) | Strong | |
Z1 | Near top of basal anhydrite (Staßfurt Fm.) | Very strong | |
Z3 | Near base of Zechstein | Well developed | |
R3 | Within Dethlingen Formation | Variable (uncertain) | PERMIAN Rotliegend |
Top ERS | Near top of Elbe reservoir sandstone | Variable (uncertain) | |
Base ERS | Near base of Elbe reservoir sandstone | Well developed | |
R6 | Near base of sedimentary Rotliegend | Well developed | |
R8 | Near base of volcanic succession | Very weak (uncertain) | PERMOCARBONIFEROUS |