| Computer Code: |
KHT |
Preferred Map Code: |
KHT |
| Status Code: |
Full |
| Age range: |
Ediacaran Period (AD)
— Ediacaran Period (AD) |
| Lithological Description: |
Massive to flaggy, thick to thinly bedded lapilli tuffs and volcanic breccias. |
| Definition of Lower Boundary: |
Not exposed, but believed to be a sharp, apparently conformable contact with underlying grey-green, finely laminated volcaniclastic mudstones and siltstones of the Blackbrook Reservoir Formation. |
| Definition of Upper Boundary: |
Upwards conformable, gradation into stratified volcanic breccias and tuffs of the undivided Charnwood Lodge Volcanic Formation; contact not exposed, but defined at first occurrence of very coarse or lapilli-grade tuffs. |
| Thickness: |
About 330m, Grades laterally south-eastwards into Benscliffe Breccia Member. |
| Geographical Limits: |
Outcrops in northwest of Charnwood Forest between Charnwood Nature Reserve (SK 4670 1620) and Strawberry Hill Plantation (SK 4550 1718). |
| Parent Unit: |
Charnwood Lodge Volcanic Formation (CMCL)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Partial Type Section |
Crags in coppice south of Charnwood Towers. |
| Reference Section |
Strawberry Hill Plantation, 220m southwest of Blackbrook Reservoir. |
| 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. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E141
|
