White Limestone Formation

The White Limestone Formation is a Bathonian geologic formation in the United Kingdom, dating to the Middle Jurassic, 168.3 to 166.1 million years ago.[1] Fossil sauropod tracks have been reported from the formation.[2] It is the lateral equivalent of the Blisworth Limestone. It predominantly consists of grey-yellow limestone, typically wackestone and packstone with subordinate ooidal grainstone. The Woodeaton Quarry locality has yielded microvertebrates.[3]

White Limestone Formation
Stratigraphic range:
White Limestone Formation exposed at Kirtlington Quarry
TypeGeological formation
Unit ofGreat Oolite Group
Sub-unitsShipton Member, Ardley Member, Bladon Member
UnderliesForest Marble Formation
OverliesHampen Formation, Rutland Formation
ThicknessUp to 30 m
Lithology
PrimaryLimestone
OtherMudstone Clay Marl
Location
RegionEngland
Country UK
ExtentGloucestershire
Type section
LocationShipton-on-Cherwell Quarry
Thickness at type sectionApproximately 20 m

Paleobiota

Dinosaurs

Dinosaurs reported from the White Limestone Formation
Genus Species Location Stratigraphic position Material Notes Images
Dromaeosauridae Indeterminate Woodeaton Quarry Bed 26, Bladon Member Teeth
Thyreophora
cf. Paronychodon

Mammaliamorphs

Mammaliamorphs reported from the White Limestone Formation
Genus Species Location Stratigraphic position Material Notes Images
Amphitheriidae Indeterminate Woodeaton Quarry Bed 26, Bladon Member Tooth
Phascolotherium P. bucklandi Eutriconodont
Hahnotherium H. antiquum Multituberculata
Simpsonodon S. oxfordensis Docodont
Woodeatonia[4] W. parva Allotherian
Butlerodon[4] B. quadratus Allotherian
Kermackodon[4] K. oxfordensis Allotherian, formerly placed in Eleutherodon[4]
Stereognathus Indeterminate Tritylodontid

See also

Footnotes

  1. "The BGS Lexicon of Named Rock Units — Result Details White Limestone Formation". British Geological Survey. Retrieved 17 April 2017.
  2. Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
  3. Wills, Simon; Bernard, Emma Louise; Brewer, Philippa; Underwood, Charlie J.; Ward, David J. (1 April 2019). "Palaeontology, stratigraphy and sedimentology of Woodeaton Quarry (Oxfordshire) and a new microvertebrate site from the White Limestone Formation (Bathonian, Jurassic)". Proceedings of the Geologists' Association. 130 (2): 170–186. doi:10.1016/j.pgeola.2019.02.003. ISSN 0016-7878. S2CID 135409990.
  4. Mao, Fangyuan; Brewer, Philippa; Hooker, Jerry J.; Meng, Jin (31 December 2022). "New allotherian specimens from the Middle Jurassic Woodeaton Quarry (Oxfordshire) and implications for haramiyidan diversity and phylogeny". Journal of Systematic Palaeontology. 20 (1): 1–37. doi:10.1080/14772019.2022.2097021. ISSN 1477-2019. S2CID 251708147.

References

  • Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.


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