Hidden Lake Formation

Hidden Lake Formation
Stratigraphic range: Coniacian[1]
TypeGeological formation
Unit ofGustav Group
UnderliesSanta Marta Formation
OverliesWhisky Bay Formation
Lithology
PrimarySandstone
OtherSiltstone
Location
Coordinates63°00′S 57°00′W / 63.0°S 57.0°W / -63.0; -57.0
Approximate paleocoordinates63°06′S 63°54′W / 63.1°S 63.9°W / -63.1; -63.9
RegionJames Ross Island, James Ross Island group
CountryAntarctica
Type section
Named forHidden Lake

Map of James Ross Island group
James Ross Island is number 2

The Hidden Lake Formation is a Late Cretaceous geologic formation in Antarctica. The sandstones and siltstones of the formation were deposited in a deltaic environment.

Indeterminate megalosaur remains have been recovered from it.[2] Also many plant fossils and ichnofossils of Planolites sp. and Palaeophycus sp. have been found in the formation.[3]

  1. ^ Crame, J. A.; Pirrie, D.; Riding, J. B. (2006). "Mid-Cretaceous stratigraphy of the James Ross Basin, Antarctica". Geological Society, London, Special Publications. 258 (1): 7–19. Bibcode:2006GSLSP.258....7C. doi:10.1144/GSL.SP.2006.258.01.02. ISSN 0305-8719.
  2. ^ Weishampel, et al. (2004). "Dinosaur distribution" pp. 517–607. in Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2. " pp. 517–607.
  3. ^ Hidden Lake at Fossilworks.org