The BGS Lexicon of Named Rock Units — Result Details
Burraton Formation
| Computer Code: | BTN | Preferred Map Code: | Btn |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Famennian Age (DA) — Famennian Age (DA) | ||
| Lithological Description: | Dark grey to black lustrous slaty mudstone with grey siltstone laminae, and subordinate thin to thick medium- to coarse-grained grey-green sandstone beds. | ||
| Definition of Lower Boundary: | Transitional with Tavy Formation. | ||
| Definition of Upper Boundary: | Not seen. | ||
| Thickness: | c.100m | ||
| Geographical Limits: | Mapped on Sheets 348, 337. | ||
| Parent Unit: | Tamar Group (TAMA) | ||
| Previous Name(s): | Hyner Shale, Trusham Shale [Obsolete Name and Code: Use BTN]
(-3251)
Yeolmbridge Formation (YF) South Brertor Formation (-93) California Quarry Formation [Obsolete Name and Code: Use BTN] (-2031) Yeolmbridge Formation (YF) |
||
| Alternative Name(s): | Yeolmbridge Formation |
||
| Stratotypes: | |||
| Reference Section | River cliffs. Hewton. | ||
| Reference Section | River cliffs. North Hooc Mine. | ||
| Reference(s): | |||
| Leveridge B E, Holder, M T, Goode, A J J, Scrivener R C, Jones N S and Merriman, R J. 2002. Geology of the Plymouth and south-east Cornwall area. Memoir of the British Geological Survey, Sheet 348 (England and Wales). | |||
| Selwood, E B, Edwards, R A, Simpson, S, Chesher, J A, Hamblin, R J O, Henson, M R, Riddolls, B W and Waters, R A. 1984. Geology of the countryside around Newton Abbot. Memoir of the British Geological Survey, Sheet 339 (England and Wales). | |||
| Stewart, I J, 1981a. The structure, stratigraphy and conodont biostratigraphy of the north eastern margin of Bodmin Moor and adjacent areas. Unpublished PhD Thesis, University of Exeter. | |||
| Stewart, I J, 1981b. Late Devonian and Lower Carboniferous conodonts from north Cornwall and their stratigraphical significance. Proceedings of the Ussher Society, Vol.5, 179-195. | |||
| Isaac, K P, 1983. The tectonic evolution of the eastern part of south-west England: Tectonothermal denudation and weathering histories. Unpublished PhD Thesis, University of Exeter. | |||
| Whiteley, M J. 1983. The geology of the St Mellion outlier, Cornwall and its regional setting. Unpublished PhD thesis, University of Exeter. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E337 E348 | |||