The BGS Lexicon of Named Rock Units — Result Details
Annandale Sandstone Beds
Computer Code: | ANSA | Preferred Map Code: | ANSD |
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Status Code: | Full | ||
Age range: | Courceyan Substage (CF) — Courceyan Substage (CF) | ||
Lithological Description: | Dark red, fine-grained to coarse-grained sandstone and locally derived conglomerate. | ||
Definition of Lower Boundary: | Conformable on Birrenswark Volcanic Formation. | ||
Definition of Upper Boundary: | Gradational, passing up into sequence characterised by thin dolomitic limestones (cementstones), sandstones and mudstones. | ||
Thickness: | 180m | ||
Geographical Limits: | Restricted to the Dalton area of Dumfriesshire (1:50000 Sheets 10 W, Lochmaben and 10 E, Ecclefechan [Scotland]). | ||
Parent Unit: | Kirkbean Cementstone Member (KICM) | ||
Previous Name(s): | Annandale Sandstone Member [Obsolete Name and Code: Use ANSA]
(-16)
Annandale Sandstone [Obsolete Name and Code: Use ANSA] (-4431) Annandale Sandstone Bed [Obsolete Name and Code: Use ANSA] (-2564) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Type Area | Sections exposed in river Annan between Rochell and Hoddom Castle, 4 km. SW of Ecclefechan. | ||
Reference(s): | |||
Nairn, A E M. 1956. The lower Carboniferous rocks between the rivers Esk and Annan Dumfriesshire. Transactions of the Geological Society of Glasgow, 22, p.80-93. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
S010 |