| Computer Code: |
PLD |
Preferred Map Code: |
PDB |
| Status Code: |
Full |
| Age range: |
Ediacaran Period (AD)
— Ediacaran Period (AD) |
| Lithological Description: |
Breccia consisting of enclaves of fine-grained, porphyritic dacite and green-grey microdiorite, in black medium-grained crystal-vitric matrix: locally rafts of volcaniclastic siltstone. |
| Definition of Lower Boundary: |
All exposed boundaries are faulted. |
| Definition of Upper Boundary: |
All exposed boundaries are faulted. |
| Thickness: |
0-650m |
| Geographical Limits: |
Extends from Whitwick Quarry northwards and is last seen in the railway cutting north-west of Whitwick Church. Occurs again in Bardon Quarry, to the south. |
| Parent Unit: |
Whitwick Volcanic Complex (WVO)
|
| Previous Name(s): |
Peldar-Type Porphyroid [Obsolete Name and Code: Use PLD]
(-1120)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Reference Section |
Bardon Quarry. |
| Type Area |
Whitwick Quarry. |
| Reference(s): |
| Carney, J N. 1994. Geology of the Thringstone, Shepshed and Loughborough districts (SK41NW, SK41NE and SK51NW). British Geological Survey Technical Report WA/94/08. |
| Watts, W W, 1947. Geology of the ancient rocks of Charnwood Forest, Leicestershire. Leicester: Leicester Literary and Philosophical Society. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E155
E141
|
