Aurora Limestone Explained

Aurora Limestone
Type:	Formation
Period:	Cretaceous
Age:	Early Cretaceous
Prilithology:	Limestone
Otherlithology:	Shale
Namedfor:	Aurora Mine
Namedby:	R.H. Burrows^[1]
Region:	South North America
Country:	Mexico
Unitof:	Chihuahuan Basin
Underlies:	Cuchillo Formation
Overlies:	Benavides Formation
Thickness:	128 - 1500 m.

The Aurora Limestone is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period.

Vertebrate paleofauna

• Hadrosauridae indet.^[2]

Invertebrate paleofauna

• Orbitolina texana
• Dicyclina schlumbergeri^[3]
• Dictyoconus sp.
• Oxytropidoceras sp.
• Lunatia sp.
• Colomiella recta
• Colomiella mexicana
• Enallaster cf. bravoensis^[4]
• Ostrea carinata
• Pithonella ovalis^[5]
• Stomiosphera sphaerica
• Calcispherula walnutensis

See also

• List of fossiliferous stratigraphic units in Mexico

External links

• Web site: Fossilworks: Gateway to the Paleobiology Database . ((Various Contributors to the Paleobiology Database)) . 17 December 2021 .

Notes and References

1. Burrows, R.H., 1910. Geology of Northern Mexico Geological Society of American Bulletin, 7(1), 85–103. https://doi.org/10.18268/BSGM1910v7n1a12
2. Ramírez Velasco, A. A. (2021). THE MEXICAN HADROSAURS (ORNITHOPODA, HADROSAUROIDEA): A CRITIC REVISION. Revista Latinoamericana De Herpetología, 4(1), 105–147. https://doi.org/10.22201/fc.25942158e.2021.1.240
3. PEMEX, 1988a, Estratigrafía de la República Mexicana: Mesozoico, Subdirección de Producción Primaria, Coordinación Ejecutiva de Exploración, pp. 229.
4. Humphrey, W. E. and Diaz, G. T., 1956, Jurassic and lower Cretaceous stratigraphy and tectonics of northeast Mexico. Informe geológico NE-M-799.
5. Montañez-C. A., Ramírez-G. J.G., Escalante-M. J. C., Luévano A., López-L. M., 2000 Carta Geológico-Minera Concepción del Oro, G14-10, Escala 1:250,000, Estados de Coahuila y Nuevo León, Informe técnico.