KRIEGERS FLAK OWF GEOPHYSICAL SURVEY ... - Energinet.dk
KRIEGERS FLAK OWF GEOPHYSICAL SURVEY ... - Energinet.dk
KRIEGERS FLAK OWF GEOPHYSICAL SURVEY ... - Energinet.dk
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<strong>KRIEGERS</strong> <strong>FLAK</strong> <strong>OWF</strong> <strong>GEOPHYSICAL</strong> <strong>SURVEY</strong> RESULTS<br />
18<br />
A second internal reflector within the LT unit (Horizon B) is intermittently observed across the site,<br />
within isolated pockets where the Holocene sediment cover is thin and in particular towards the<br />
Swedish Sector to the east of the site. When observed it is generally of a low amplitude and not easily<br />
discerned in the record. The horizon does mark a slight increase in the intensity of the bounding units.<br />
Examples of both the Horizon A and B are seen in Figure 10-4 and Figure 10-6.<br />
It is unclear whether the Eemian marine clay or the Kriegers Flak Clay are connected the two internal<br />
reflectors or if the reflectors represent e.g. old glacial landscapes from different ice stream advances.<br />
Below the Lower Till unit an internal reflector is evident within the Cretaceous unit. The reflector is not<br />
at sufficient depth to correlate with the base of the Cretaceous Chalk, while the unit is expected to be<br />
at least 200m thick.<br />
Figure 10-4 Representative of the Glacial Units, Seismic Section, Line 6101100<br />
Figure 10-5 Representative of the Glacial Units with the internal Upper Till unit, Seismic Section, Line 6103600<br />
KF_<strong>OWF</strong>_Geophysical_Survey_Results_v4.docx
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