Computer Code: |
PHG |
Preferred Map Code: |
notEntered |
Status Code: |
Index Level |
Age range: |
Marsdenian Substage (CZ)
— Marsdenian Substage (CZ) |
Lithological Description: |
Coarse- to fine-grained sandstone. |
Definition of Lower Boundary: |
none recorded or not applicable
|
Definition of Upper Boundary: |
none recorded or not applicable
|
Thickness: |
To c.15m |
Geographical Limits: |
West Yorkshire [Pule Hill, near Marsden] and westwards into Lancashire. |
Parent Unit: |
Millstone Grit Group [See Also MIGR] (MG)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
Midgley Grit
|
Stratotypes: |
none recorded or not applicable |
Reference(s): |
none recorded or not applicable |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E086
|