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Aurora Limestone

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Series: GSA Memoirs
Published: 01 January 1960
DOI: 10.1130/MEM83-p1
... The biostratigraphic relationships of the Aurora limestone in the Sierra de Tlahualilo of southwestern Coahuila to the type Aurora near Ojinaga, Chihuahua and to the type Lower Cretaceous (Comanche) series of northern Texas are discussed. Stratigraphic sections of the Fredericksburg...
Journal Article
Journal: GSA Bulletin
Published: 01 December 1977
GSA Bulletin (1977) 88 (12): 1793–1807.
...GIAN PAOLO LOZEJ; FRANK BEALES Abstract At La Encantada, three mines produce Pb-Ag ores from deposits that occur in fracture zones in the Cretaceous Aurora limestone, within the north-northwest–trending Sierra Madre Oriental of northern Mexico. The host limestone is remarkably monotonous, almost...
Journal Article
Journal: GSA Bulletin
Published: 01 January 1949
GSA Bulletin (1949) 60 (1): 89–176.
... the Zuloaga limestone of Oxfordian age and La Casita formation of Kimmeridgian-Portlandian age. The Cretaceous from the base upward includes the Taraises formation of lower Neocomian age, the Cupido limestone of upper Neocomian-lower Aptian age, the La Peña formation of upper Aptian age, the Aurora limestone...
Journal Article
Journal: GSA Bulletin
Published: 01 March 1946
GSA Bulletin (1946) 57 (3): 275–294.
... to be Paleozoic. Above follow the Upper Jurassic La Casita shale and a thick Cretaceous section, divided into the Las Vigas red and gray clastic rocks, the Cuchillo shale, gypsum, and limestone, the Aurora limestone, and the Chispa Summit flaggy limestone, shale, and sandstone. Early Tertiary volcanic rocks lie...
Journal Article
Journal: GSA Bulletin
Published: 01 November 1938
GSA Bulletin (1938) 49 (11): 1651–1694.
... south, is ascribed (1) to the presence of the thick rudistid-bearing Aurora limestone, and (2) perhaps to less intense orogeny with consequent less effective erosion. University of Michigan, Ann Arbor, Mich. Read before the Geological Society, December 30, 1937. Project Grant 167-36...
Journal Article
Journal: AAPG Bulletin
Published: 01 April 1981
AAPG Bulletin (1981) 65 (4): 766.
... encrustations and sponge borings ( Clinos ) are also recorded. These limestones have been described as basinal facies of the Aurora Limestone. A significant portion of the megafauna has apparently not been transported. Shallow-water deposition is also indicated by the presence of rudists in apparent growth...