The BGS Lexicon of Named Rock Units — Result Details

Park Hill Limestone Member

Computer Code: PAL Preferred Map Code: PaL
Status Code: Full
Age range: Chadian Substage (CI) — Arundian Substage (CJ)
Lithological Description: Limestone and dolostone, fine-grained grainstone and packstone, dark grey to buff, wavy bedded, interbedded with sandstone, siltstone and mudstone. The limestone lacks the common occurrence of corals typical of the overlying Coupland Sike Limestone.
Definition of Lower Boundary: The base of the Member coincides with the top of the "Algal Layer" (Coldbeck Limestone Formation) in the Ravenstonedale area.
Definition of Upper Boundary: The top occurs beneath the more regularly bedded and fossiliferous overlying Coupland Sike Limestone Member. The junction is marked by a 5m interbedded sandstone and mudstone unit that forms a topographical depression.
Thickness: 50-75m.
Geographical Limits: Ravenstonedale, Cumbria between the M6 and the Dent Fault zone, south of Kirkby Stephen.
Parent Unit: Scandal Beck Limestone Formation (SCBL)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Partial Type Section  The course of the Raisbeck, north of Fawcett Mill, by Orton village, Cumrbria. Pattison, 1990. 
Type Area  Scandal Beck and Stone Gill, Ravenstonedale, Cumbria. 
Reference(s):
Pattison, J. 1990. Geology of the Orton and Sunbiggin Tarn districts. Geological notes and local details for 1:10,000 Sheets NY60NW and NY60NE and part of 1:50,000 Sheets 30 (Appleby), 31 (Brough), 39 (Kendal) and 40 (Kirkby Stephen). British Geological Survey Onshore Geology Series, Technical Report, WA/90/12. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E039 E040