Computer Code: |
FPHS |
Preferred Map Code: |
notEntered |
Status Code: |
Full |
Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
Lithological Description: |
Semipelite, mainly gneissose but locally schistose, dominantly biotite- (but subsidiary muscovite-garnet-) bearing, with local lenses of micaceous psammite. |
Definition of Lower Boundary: |
Top of the Feshiebridge Psammite Formation (Etteridge Lodge Psammite and Pelite Formation), where interbedded psammite and subordinate semipelite and pelite is overlain by predominantly gneissose biotite-rich semipelite of the Falls of Phones Semipelite Formation. |
Definition of Upper Boundary: |
Base of the Gaick Psammite Formation, where predominantly quartzose and feldspathic psammites overlie the predominantly gneissose biotite-rich semipelite of the Falls of Phones Semipelite Formation |
Thickness: |
c.100m |
Geographical Limits: |
Southeast of the Ericht-Laidon Fault, south of Newtonmore, extending from Crubenmore to Phones Lodge on Sheet 64W. |
Parent Unit: |
Strathtummel Subgroup (STEL)
|
Previous Name(s): |
Moine Series [Obsolete Name and Code: Use FESP, FPHS, OSHP, TTRS]
(-4042)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Section |
Outcrop in the Allt Phoineis, south of Phones Lodge, Newtonmore. Leslie, A G et al., BGS Internal Report IR/03/048. |
Reference(s): |
Leslie, A G, Krabbendam, M and Smith, R A, 2003. Progress Report on the Geology of 1:50 k Sheet 64W (Newtonmore) British Geological Survey Internal Report, IR/03/048. 23pp. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |