The BGS Lexicon of Named Rock Units — Result Details

Gilmerton Limestone [Obsolete Name And Code: Use HUR]

Computer Code: GILS Preferred Map Code: notEntered
Status Code: Index Level
Age range: Brigantian Substage (CX) — Brigantian Substage (CX)
Lithological Description: Blue-grey limestone; the lower part is coarsely crinoidal and the beds above are finer-grained and evenly bedded.
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: c.18m. Lower 3m coarse-grained, remainder finer-grained.
Geographical Limits: Midlothian "basin" (and beyond under other names. See Hurlet Limestone).
Parent Unit: Lower Limestone Formation (LLGS)
Previous Name(s): none recorded or not applicable
Alternative Name(s): Upper Longcraig Limestone
Stratotypes:
none recorded or not applicable
Reference(s):
Lexique Stratigraphique International. 1971. Volume 1, Europe, Fascicule 3a, England, Wales and Scotland, Part 3a VII, Lower Carboniferous (Dinantian). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S025 S024 S024 S032