OR/13/001 Model limitations: Difference between revisions
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* The model is not snapped between envelopes and sections | * The model is not snapped between envelopes and sections | ||
[[Category:OR/13/001 Model metadata summary report for the Colchester LithoFrame 10-50 model | | [[Category:OR/13/001 Model metadata summary report for the Colchester LithoFrame 10-50 model | 10]] | ||
Revision as of 10:30, 4 August 2021
· Head in most forms excluded from the calculation of the model
- Artificial deposits not modelled sufficiently to produce 3D volumes but inserted in some sections and polygons have been included in geological units.
- Chalk Group, Lower London Tertiaries and Thames Group are not subdivided in the model at this stage.
- No attempt has been made to classify levels of the River Terrace Deposits or the Kesgrave Sand and Gravel into distinct terrace levels.
- The model is suitable for use at resolutions higher than 100K but not beyond 5K or for any detailed site specific investigations.
- The model extends to the base of the Cretaceous across the whole area, in this area the Cretaceous rests with marked angular unconformity on Palaeozoic basement rocks.
- The model is not snapped between envelopes and sections