| Computer Code: |
BRUQ |
Preferred Map Code: |
BQ |
| Status Code: |
Index Level |
| Age range: |
Duckmantian Substage (CB)
— Duckmantian Substage (CB) |
| Lithological Description: |
Coal. |
| Definition of Lower Boundary: |
none recorded or not applicable
|
| Definition of Upper Boundary: |
none recorded or not applicable
|
| Thickness: |
none recorded or not applicable
|
| Geographical Limits: |
Used on 10k sheet NZ27SW (Jackson, Lawrence and Frost, 1985, page 20). |
| Parent Unit: |
Pennine Middle Coal Measures Formation (PMCM)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Jackson, I, Lawrence, D J D, and Frost, D V. 1985. Geological notes and local details for sheet NZ27 Cramlington, Killingworth and Wide Open (SE Northumberland), part of 1:50k sheets 14 (Morpeth) and 15 (Tynemouth). British Geological Survey Technical Report, (Unnumbered). |
| Lawrence, D J D and Jackson I. 1990. Geology and land-use planning: Morpeth-Bedlington_Ashington. Part 2: Geology. British Geological Survey Technical Report WA/90/19. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
