Detrital Zircon Geochemistry in the Morita Formation, Northern Sonora, Mexico: Implications for Origin and Source Rock Type

Ramírez-Montoya, Erik; Madhavaraju, Jayagopal; González–León, Carlos M.; Armstrong‐Altrin, John S.; Monreal, Rogelio

doi:10.1007/978-981-19-4782-7_12

Cited by 7 publications

(1 citation statement)

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“…The sorting of mineral grains and the degree of both chemical and physical weathering that sediments have undergone can be evaluated by the chemical composition of clastic sediments (McLennan, 1989;Cox and Lowe, 1996;Roddaz et al, 2006;Ramírez-Montoya et al, 2022;Ramos-Vázquez et al, 2022). To determine the impact of weathering and transport, the chemical index of alteration (CIA) values are calculated and are plotted in the Al2O3-(CaO+ Na2O)-K2O (A-CN-K; Fig.…”

Section: Weatheringmentioning

confidence: 99%

Texture and major element geochemistry of channel sediments in the Orsang and Hiren River Basins, Gujarat, India: Implications for provenance and weathering

Nikunj,

Shivam,

et al. 2023

JIAS

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Size, shape, degree of sorting, and composition of sediments in the river channels are controlled by climate, lithology, weathering, sorting, and medium of transportation. The present investigation is focused on the grain-size and geochemical analysis of the channel sediments of the Orsang and Hiren river basins. Major outcrops in the study area are Archaean granites, granitic gneisses, Upper Cretaceous to lower Eocene Deccan Volcanic Basalts (DVB), Quaternary sediments and minor proportion of Proterozoic low grade metamorphic rocks. The sediments are poorly to moderately sorted, very finely skewed, suggesting its derivation from heterogenous sources, while the kurtosis value indicates a high-energy depositional environment. The sediments are with gravelly sand texture and the mean grain size is varying from 581.9µm to 1284.2µm. The DVB provenance of the Hiren river basin and granitic provenance of the Orsang river basin is clearly reflected in the texture and geochemical composition of sediments. The TiO2 and Fe2O3 contents of sediments from the Hiren river basin are distinctly higher and are comparable to the basalts of the Saurashtra region of the Deccan Province. Sediments collected after Orsang and Hiren rivers confluence and from Narmada river show higher concentration of felsic sources, indicating that Orsang river's sediment supply significantly outweighs Hiren rivers. The arkosic-litharenite nature points towards less transportation and moderate chemical weathering for the Orsang river sediments. The low Chemical Index of Alteration (CIA) values (Avg. 48.45 and 56.99 for Orsang and Hiren rivers, respectively) and A-CN-K plot also suggest the supply of sediments from minimally weathered detritus under a semi-arid condition.

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Section: Weatheringmentioning

confidence: 99%

Texture and major element geochemistry of channel sediments in the Orsang and Hiren River Basins, Gujarat, India: Implications for provenance and weathering

Nikunj,

Shivam,

et al. 2023

JIAS

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Sediment composition and U–Pb ages of detrital zircons in the Salina Cruz and Puerto Ángel beaches along the Gulf of Tehuantepec, Mexican Pacific

Ramos‐Vázquez,

Armstrong‐Altrin,

Verma

et al. 2024

Geological Journal

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The Salina Cruz and Puerto Ángel beach areas in the Gulf of Tehuantepec, Mexican Pacific coast represent an important economic sector of the region. In this study, the mineralogy and geochemistry of bulk sediments, and geochronology of 400 detrital zircons recovered from the beach sediments were analysed to investigate their origin. The sediments are abundant in quartz, feldspar, ilmenite, cordierite, aragonite and anorthite. The chemical index of weathering revealed a moderate to intense weathering in the source area. The chondrite normalized REE patterns of bulk sediments are similar to the found in the Upper Continental Crust, suggesting the derivation of sediments from felsic igneous rocks. The REE patterns of zircons and the trace elemental ratios reveal a continental crust origin. Zircon U–Pb ages in the Salina Cruz beach were represented by Proterozoic (~545.1–1314.1 Ma; n = 170) and Cenozoic (~0.01–66 Ma; n = 20). The Puerto Ángel beach was abundant in Proterozoic zircon grains (~600.9–1171.4 Ma; n = 109) and followed by Mesozoic grains (~73.78–246.9 Ma; n = 40). The comparison of zircon U–Pb ages of this study with probable source rocks reveals that the Oaxaquia Terrane and Chiapas Massif Complex were the major contributors of Proterozoic zircons to the coastal areas. Similarly, the results indicate that the Cenozoic zircons were contributed by the Chiapas Massif Complex, coastal batholith and Cuicateco Terrane. The Mesozoic zircons are very few, derived from the nearby Xolapa Complex and the Chuacús Terrane.

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Provenance, weathering, and tectonic setting of the Yoyo, Kribi, and Campo beach sediments in the southern Gulf of Guinea, SW Cameroon

Temgo Sopie,

Ngueutchoua,

Armstrong-Altrin

et al. 2023

J Earth Syst Sci

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Detrital Zircon Geochemistry in the Morita Formation, Northern Sonora, Mexico: Implications for Origin and Source Rock Type

Cited by 7 publications

References 50 publications

Texture and major element geochemistry of channel sediments in the Orsang and Hiren River Basins, Gujarat, India: Implications for provenance and weathering

Texture and major element geochemistry of channel sediments in the Orsang and Hiren River Basins, Gujarat, India: Implications for provenance and weathering

Sediment composition and U–Pb ages of detrital zircons in the Salina Cruz and Puerto Ángel beaches along the Gulf of Tehuantepec, Mexican Pacific

Provenance, weathering, and tectonic setting of the Yoyo, Kribi, and Campo beach sediments in the southern Gulf of Guinea, SW Cameroon

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