The BGS Lexicon of Named Rock Units — Result Details

Tempar Dolomitic Member

Computer Code: TEDO Preferred Map Code: Temp
Status Code: Full
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: Calcareous and non-calcareous semipelite at base passes upwards into well-bedded tremolitic dolomite. At top dolomite passes upward into semipelite and fine-grained psammite before upper boundary with Schiehallion Quartzite is reached.
Definition of Lower Boundary: Sharp change from quartzite to calc-semipelite and non-calcareous semipelite.
Definition of Upper Boundary: Change from finely-bedded semipelite to well-bedded quartzite.
Thickness: 0 - 50m
Geographical Limits: Discontinuous occurrence from closure of Errochty Synform [NN 7131 6655] to near Loch Kinardochy [NN 7750 5440]. Occurs sporadically east of Loch Tay Fault near Loch Tummel [NN 8334 6005] and Kincraigie [NN 892 678].
Parent Unit: Schiehallion Quartzite Formation (DBSQ)
Previous Name(s): Dolomitic Beds (-3720)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Tempar Burn 800m south of East Tempar. 
Reference(s):
Treagus, J E. 2001. Solid geology of the Schiehallion district. Memoir of the British Geological Survey, Sheet 55W (Scotland). 
Stephenson, D and Gould, D , 1995. British Regional Geology: the Grampian Highlands (4th edition). (London: HMSO for the British Geological Survey), 67-68. 
Barrow, G, Grant Wilson, J S and Cunningham Craig, E H, 1905. The geology of the country around Blair Atholl, Pitlochry and Aberfeldy. Memoir of the British Geological Survey, Scotland (Sheet 55). 
Harris, A L, Haselock, P J, Kennedy, M J and Mendum, J R, 1994. The Dalradian Supergroup in Scotland, Shetland and Ireland. 33-53 in Gibbons, W E and Harris, A L (editors). A revised correlation of Precambrian rocks in the British Isles. Special Report of the Geological Society, London, No.22. 
Bailey, E B and McCallien, W J, 1937. Perthshire tectonics: Schiehallion to Glen Lyon. Transactions of the Royal Society of Edinburgh, Vol.59, 79-117. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S055 S055