Lower Cretaceous (Aptian-Albian) Bisbee Group, Arizpe area, northern Sonora, Mexico: Integrated biostratigraphy, age and provenance from U-Pb and Hf isotopes
New data on the stratigraphy, biostratigraphy, detrital zircon U-Pb, and Hf isotope geochronology of a Lower Cretaceous succession of the Bisbee Group in northern Sonora, Mexico that accumulated in the Altar-Cucurpe sub-basin help to constrain ages of their formations and documents the detrital pro...
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Universidad Nacional Autónoma de México
2023-11-01
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| Series: | Revista Mexicana de Ciencias Geológicas |
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| Online Access: | https://rmcg.unam.mx/index.php/rmcg/article/view/1759 |
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| author | Carlos M González-León María Isabel Sierra-Rojas Robert W. Scott Luigi A. Solari Timothy F. Lawton Mélanie Noury Michelle Vásquez-Salazar |
| author_facet | Carlos M González-León María Isabel Sierra-Rojas Robert W. Scott Luigi A. Solari Timothy F. Lawton Mélanie Noury Michelle Vásquez-Salazar |
| author_sort | Carlos M González-León |
| collection | DOAJ |
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New data on the stratigraphy, biostratigraphy, detrital zircon U-Pb, and Hf isotope geochronology of a Lower Cretaceous succession of the Bisbee Group in northern Sonora, Mexico that accumulated in the Altar-Cucurpe sub-basin help to constrain ages of their formations and documents the detrital provenance. These tectonically shortened strata, studied in the Arizpe area, crop out in the Cerro La Ceja block (CCB) composed of the upper Morita Formation, the complete Mural Limestone, and Cintura Formations, and the lower part of La Juana Formation. The Sierra Los Azulitos block (SAB), composed of the Mural Limestone, is thrust eastward over the CCB. A measured section of the Mural Limestone in the SAB block includes the upper Tuape Shale, Los Coyotes, Cerro La Puerta, and part of the Cerro La Espina members whose age is constrained as upper Aptian to lower Albian based on benthic and planktonic foraminifera, bivalves and echinoderms. The age of the boundary between the Morita and Tuape Shale Member is constrained by detrital zircon maximum depositional ages (MDA) of 115.8 ± 1.1 Ma and 113.9 ± 0.8 Ma, respectively. The MDA of the upper Mural is 111.6 ± 1.6 Ma and the MDA of basal Cintura Formation is 108.8 ± 1.1 Ma. The La Juana Formation has upper Albian bivalves and echinoderms.
About one-quarter of the detrital zircon grains dated from the five sandstone samples have Proterozoic ages with age peaks that clearly indicate provenance from basement rocks of southwestern Laurentia. More than two-thirds of the grains are of Jurassic and Early Cretaceous age in about the same proportions, and have main peaks at 166, 150, and 118 Ma. The Jurassic grains may have sources in rocks of the Jurassic Cordilleran continental magmatic arc of southwestern North America, and the most probable sources for the Cretaceous grains are arcs of the Peninsular Ranges batholith that by that time were located adjacent to coastal Sonora. Jurassic and the Early Cretaceous zircons dated from 195.3 to 106.8 Ma both have mixed εHf(t) values that range from 9.53 to -21.28, and TDM model ages between 0.4 to 0.8 Ga for the primitive grains, and 0.8 to 1.3 Ga for the more evolved zircons. The probable source for the Jurassic grains with negative εHf values might be local granites of that age in northern Sonora that have Neoproterozoic TDM model ages. In contrast, sources for the Jurassic zircon with positive Hf values may be Jurassic igneous and metaigneous rocks of the Peninsular Ranges Batholith of the Californias, although data reported are scarce. Similarly, the Early Cretaceous detrital zircon grains with mixed positive and negative εHf values may have provenance from igneous rocks of the Peninsular Ranges Batholith-Sierra Nevada magmatic arc.
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| format | Article |
| id | doaj-art-5c34c77cbf334a569a428dc6e4d0c564 |
| institution | Kabale University |
| issn | 1026-8774 2007-2902 |
| language | English |
| publishDate | 2023-11-01 |
| publisher | Universidad Nacional Autónoma de México |
| record_format | Article |
| series | Revista Mexicana de Ciencias Geológicas |
| spelling | doaj-art-5c34c77cbf334a569a428dc6e4d0c5642025-08-20T03:44:52ZengUniversidad Nacional Autónoma de MéxicoRevista Mexicana de Ciencias Geológicas1026-87742007-29022023-11-0140310.22201/cgeo.20072902e.2023.3.1759Lower Cretaceous (Aptian-Albian) Bisbee Group, Arizpe area, northern Sonora, Mexico: Integrated biostratigraphy, age and provenance from U-Pb and Hf isotopesCarlos M González-León0https://orcid.org/0000-0002-4982-8015María Isabel Sierra-Rojas1https://orcid.org/0000-0001-7055-5763Robert W. Scott2Luigi A. Solari3https://orcid.org/0000-0002-9769-6846Timothy F. Lawton4https://orcid.org/0000-0001-6828-5047Mélanie Noury5https://orcid.org/0000-0002-8716-1370Michelle Vásquez-Salazar6https://orcid.org/0000-0002-6646-9202Estación Regional del Noroeste, Instituto de Geología, Universidad Nacional Autónoma de México, Hermosillo, Sonora, 83000, Mexico.Estación Regional del Noroeste, Instituto de Geología, Universidad Nacional Autónoma de México, Hermosillo, Sonora, 83000, Mexico. Present Address: Departamento de Geociencias, Universidad de Los Andes, Bogotá, 111711, Colombia.Precision Stratigraphy Associates, 149 W. Ridge Road, Cleveland Oklahoma 74020, USA.Centro de Geociencias, Universidad Nacional Autónoma de México, Campus Juriquilla, Santiago de Querétaro, QRO, 76001, Mexico.Bureau of Economic Geology, Jackson School of Geosciences, The University of Texas at Austin, Austin, Texas 78758, USA.Estación Regional del Noroeste, Instituto de Geología, Universidad Nacional Autónoma de México, Hermosillo, Sonora, 83000, Mexico.Universidad de Sonora, Departamento de Geología, Hermosillo, 83000, Mexico. New data on the stratigraphy, biostratigraphy, detrital zircon U-Pb, and Hf isotope geochronology of a Lower Cretaceous succession of the Bisbee Group in northern Sonora, Mexico that accumulated in the Altar-Cucurpe sub-basin help to constrain ages of their formations and documents the detrital provenance. These tectonically shortened strata, studied in the Arizpe area, crop out in the Cerro La Ceja block (CCB) composed of the upper Morita Formation, the complete Mural Limestone, and Cintura Formations, and the lower part of La Juana Formation. The Sierra Los Azulitos block (SAB), composed of the Mural Limestone, is thrust eastward over the CCB. A measured section of the Mural Limestone in the SAB block includes the upper Tuape Shale, Los Coyotes, Cerro La Puerta, and part of the Cerro La Espina members whose age is constrained as upper Aptian to lower Albian based on benthic and planktonic foraminifera, bivalves and echinoderms. The age of the boundary between the Morita and Tuape Shale Member is constrained by detrital zircon maximum depositional ages (MDA) of 115.8 ± 1.1 Ma and 113.9 ± 0.8 Ma, respectively. The MDA of the upper Mural is 111.6 ± 1.6 Ma and the MDA of basal Cintura Formation is 108.8 ± 1.1 Ma. The La Juana Formation has upper Albian bivalves and echinoderms. About one-quarter of the detrital zircon grains dated from the five sandstone samples have Proterozoic ages with age peaks that clearly indicate provenance from basement rocks of southwestern Laurentia. More than two-thirds of the grains are of Jurassic and Early Cretaceous age in about the same proportions, and have main peaks at 166, 150, and 118 Ma. The Jurassic grains may have sources in rocks of the Jurassic Cordilleran continental magmatic arc of southwestern North America, and the most probable sources for the Cretaceous grains are arcs of the Peninsular Ranges batholith that by that time were located adjacent to coastal Sonora. Jurassic and the Early Cretaceous zircons dated from 195.3 to 106.8 Ma both have mixed εHf(t) values that range from 9.53 to -21.28, and TDM model ages between 0.4 to 0.8 Ga for the primitive grains, and 0.8 to 1.3 Ga for the more evolved zircons. The probable source for the Jurassic grains with negative εHf values might be local granites of that age in northern Sonora that have Neoproterozoic TDM model ages. In contrast, sources for the Jurassic zircon with positive Hf values may be Jurassic igneous and metaigneous rocks of the Peninsular Ranges Batholith of the Californias, although data reported are scarce. Similarly, the Early Cretaceous detrital zircon grains with mixed positive and negative εHf values may have provenance from igneous rocks of the Peninsular Ranges Batholith-Sierra Nevada magmatic arc. https://rmcg.unam.mx/index.php/rmcg/article/view/1759Bisbee GroupAptian-Albian biostratigraphyMDA formational boundariesU-Pb detrital zirconHf isotopedetrital provenance |
| spellingShingle | Carlos M González-León María Isabel Sierra-Rojas Robert W. Scott Luigi A. Solari Timothy F. Lawton Mélanie Noury Michelle Vásquez-Salazar Lower Cretaceous (Aptian-Albian) Bisbee Group, Arizpe area, northern Sonora, Mexico: Integrated biostratigraphy, age and provenance from U-Pb and Hf isotopes Revista Mexicana de Ciencias Geológicas Bisbee Group Aptian-Albian biostratigraphy MDA formational boundaries U-Pb detrital zircon Hf isotope detrital provenance |
| title | Lower Cretaceous (Aptian-Albian) Bisbee Group, Arizpe area, northern Sonora, Mexico: Integrated biostratigraphy, age and provenance from U-Pb and Hf isotopes |
| title_full | Lower Cretaceous (Aptian-Albian) Bisbee Group, Arizpe area, northern Sonora, Mexico: Integrated biostratigraphy, age and provenance from U-Pb and Hf isotopes |
| title_fullStr | Lower Cretaceous (Aptian-Albian) Bisbee Group, Arizpe area, northern Sonora, Mexico: Integrated biostratigraphy, age and provenance from U-Pb and Hf isotopes |
| title_full_unstemmed | Lower Cretaceous (Aptian-Albian) Bisbee Group, Arizpe area, northern Sonora, Mexico: Integrated biostratigraphy, age and provenance from U-Pb and Hf isotopes |
| title_short | Lower Cretaceous (Aptian-Albian) Bisbee Group, Arizpe area, northern Sonora, Mexico: Integrated biostratigraphy, age and provenance from U-Pb and Hf isotopes |
| title_sort | lower cretaceous aptian albian bisbee group arizpe area northern sonora mexico integrated biostratigraphy age and provenance from u pb and hf isotopes |
| topic | Bisbee Group Aptian-Albian biostratigraphy MDA formational boundaries U-Pb detrital zircon Hf isotope detrital provenance |
| url | https://rmcg.unam.mx/index.php/rmcg/article/view/1759 |
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