The Toro Toro Formation is a Late Campanian geologic

formation Formation may refer to: Linguistics * Back-formation, the process of creating a new lexeme by removing or affixes * Word formation, the creation of a new word by adding affixes Mathematics and science * Cave formation or speleothem, a secondar ...

pertaining to the

Puca Group Puca or PUCA may refer to * Púca, faery creature of Celtic folklore. * Puka (Peru), also spelled ''Puca'', a mountain in Peru * Puck (mythology), fairy or mischievous nature sprite in English folklore (possibly related to Púca) *Florin Pucă (1932 ...

of central Bolivia. The porous yellowish medium-to-coarse grained ferruginous ( iron-containing) sandstones and

mudstone Mudstone, a type of mudrock, is a fine-grained sedimentary rock whose original constituents were clays or muds. Mudstone is distinguished from '' shale'' by its lack of fissility (parallel layering).Blatt, H., and R.J. Tracy, 1996, ''Petrology. ...

s with gypsum intercalations, deposited in a beach

environment Environment most often refers to: __NOTOC__ * Natural environment, all living and non-living things occurring naturally * Biophysical environment, the physical and biological factors along with their chemical interactions that affect an organism or ...

, preserve many ichnofossils of '' Ligabueichnium bolivianum'', '' Dromaeopodus sp.'',Apesteguía et al., 2011, p.663 Ornithopoda indet., Theropoda indet. and Titanosauridae indet.Toro Toro, Pista de Danzas
at

Fossilworks Fossilworks is a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database The Paleobiology Database is an online resource for information on the distribution and classification of fossil animals ...

.org The formation has provided the earliest known tracksite of dinosaurs in Bolivia.Lockley et al., 2002, p.389 The Toro Toro Formation represents part of the postrift stage in an alluvial to deltaic

within the Potosí Basin. The formation is a local equivalent of the

Chaunaca Formation The Chaunaca Formation is a Campanian geologic formation of Bolivia. Fossil sauropod tracks have been reported from the formation.Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.Cal Orcko Cal Orck’o is a fossil bed in Bolivia. It is located in a quarry approximately 4.4 km northwest of Sucre ( Chuquisaca Department, Bolivia) in the Altiplano/Cordillera Oriental, in the El Molino Formation ( Middle Maastrichtian). The be ...

, however these are in the El Molino Formation

References

Bibliography

* * {{cite LSA , last=Lockley , first=M.G. , last2=Schulp , first2=A.S. , last3=Meyer , first3=C.A. , last4=Leonardi , first4=G. , last5=Mamani , first5=D.K. , year=2002 , title=Titanosaurid trackways from the Upper Cretaceous of Bolivia: evidence for large manus, wide-gauge locomotion and gregarious behaviour , url=https://www.researchgate.net/publication/222695396_Titanosaurid_trackways_from_the_Upper_Cretaceous_of_Bolivia_Evidence_for_large_manus_wide-gauge_locomotion_and_gregarious_behaviour , journal=

Cretaceous Research ''Cretaceous Research'' is a bimonthly peer-reviewed scientific journal published by Elsevier. The journal focuses on topics dealing with the Cretaceous period and the Cretaceous–Paleogene boundary. Abstracting and indexing The journal is abst ...

, volume=23 , pages=383–400 , accessdate=2019-03-03 Geologic formations of Bolivia Upper Cretaceous Series of South America Cretaceous Bolivia Campanian Stage Sandstone formations Mudstone formations Alluvial deposits Beach deposits Deltaic deposits Paleontology in Bolivia Formations

See also

References

Bibliography