OR/14/058 Modelled surfaces/volumes

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Arkley, S L B. 2014. Model metadata report for the Great Glen — Moray Firth GSI3D Faulted Bedrock Model. British Geological Survey Internal Report, OR/14/058.

The sedimentary sequence consists of 9 geological units:

Table 1 Geological units modelled
Units modelled Offshore equivalents
LOCR-SSML Lower Cretaceous CRKN-ARG Cromer Knoll Group
JURU-SDSM Upper Jurassic HMBG-ARSL Humber Group
JURM-MDSL Middle Jurassic FLDN-SMC & JURM-ARSM Fladen Group – Middle Jurassic Rocks
LI-MSLS Lias,Lower Jurassic LI-SDAR Lias Group
NRS-SDBC Permian-Triassic PRMT-SDAR Permian and Triassic Rocks (undifferentiated)
UDEV-SCON Upper Devonian UORS-SDST Upper Old Red Sandstone
MDEV-SCON Middle Devonian MDEV-COSD Middle Devonian (undifferentiated)
LORS-CSSM Lower Devonian
ORS-CSSM undifferentiated Devonian,slices within fault zones

The onshore geology is based on the BGS 625 000 geological map. The offshore geology is based on the BGS 250 000 map. All units are labelled with BGS LEX-RCS codes, see Figures 2 and 3.

Geological units modelled are as used in the GB_3D sections on which the model is based. Offshore units were merged into their onshore equivalents, as shown in Table 1.

Figure 2 Onshore geology based on the BGS 1:625 000 onshore geological map.


Figure 3 Offshore geology based on the BGS 1:250 000 offshore geological map.
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