Foraminiferal assemblages, 14C ages, and compositional variations in two sediment cores in the western Gulf of Mexico

Ramos-Vázquez, Mayla A.; Armstrong‐Altrin, John S.; Machain-Castillo, M. L.; Gío-Argáez, F. Raúl

doi:10.1016/j.jsames.2018.08.025

Cited by 44 publications

(3 citation statements)

References 105 publications

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“…The oxides and hydroxides of Al and Ti have low solubility in aqueous medium and can be considered as immobile elements (Ayers & Watson, 1993;Wesolowski, 1992). Thus, their ratio (Al 2 O 3 /TiO 2 ) is similar to their source rocks (Andersson, Worden, Hodgson, & Flint, 2004;Galindo-Ruiz, Madhavaraju, Grijalva-Noriega, Monreal, & Espinoza-Maldonado, 2018;Garcia et al, 1994;Girty, Ridge, Knaack, Johnson, & Al-Riyami, 1996;Madhavaraju et al, , b, 2019Parthasarathy, Madhavaraju, Ramirez-Montoya, & Ramasamy, 2020;Ramos-Vázquez, Armstrong-Altrin, Machain-Castillo, & Gío-Argáez, 2018). Al 2 O 3 /TiO 2 ratio <8 suggests a mafic source rocks, ratios between 8 and 21 indicates an intermediate source rocks and Al 2 O 3 /TiO 2 ratio >21 suggests a felsic source rocks (Hayashi, Fujisawa, Holland, & Ohmoto, 1997 due to the presence of higher proportion of ilmenite than other samples.…”

Section: Provenancementioning

confidence: 99%

Geochemistry of sands from the Huatabampo and Altata beaches, Gulf of California, Mexico

Madhavaraju

Armstrong‐Altrin

Pillai³

et al. 2020

Geological Journal

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Grain size, heavy minerals, mineralogical, and geochemical analyses were undertaken on the sand samples from Huatabampo (HB) and Altata (AA) beaches to infer palaeoweathering conditions and source rock characteristics. The mean grain size of HB and AA sands is fine-grained and fine-to medium-grained, respectively.Magnetite and hypersthene are the common heavy minerals identified in HB sands, whereas magnetite and ilmenite are the dominant heavy minerals in AA sands. HB sands have a high proportion of quartz and plagioclase followed by K-feldspar and zeolite. Quartz is the dominant mineral in the AA sands, followed by plagioclase and K-feldspar. Geochemically, the sand samples from HB are classified as wacke, whereas AA sands are classified as wacke and arkose. In chondrite-normalised REE plot, HB and AA sands show LREE enriched and HREE depleted pattern with negative Eu anomaly. Chemical index of alteration (CIA), plagioclase index of alteration (PIA) values and Th/U ratios of HB and AA sands suggest a low intensity of chemical weathering in the source area. The tectonic discriminant function diagram suggestsan arc setting for HB sands, whereas a rift setting for AA sands. The chondrite-normalised REE patterns, Eu anomaly, Al 2 O 3 / TiO 2 ratio, trace elemental ratios, discriminant function, and ternary diagrams suggest that the HB and AA sands were dominantly derived from felsic source rocks.The comparison of REE patterns of HB and AA sands with the source rocks exposed near to the study area suggest that the central granites of Laramide plutonic rocks exposed in Sonora were contributing sediments to the HB beach, whereas AA sands received sediments mainly from the felsic Francisco gneiss in the western Sonobari Complex of Sinaloa.

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Section: Provenancementioning

confidence: 99%

Geochemistry of sands from the Huatabampo and Altata beaches, Gulf of California, Mexico

Madhavaraju

Armstrong‐Altrin

Pillai³

et al. 2020

Geological Journal

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“…Textural characteristics and geochemical compositions of beach sediments along the Gulf of Mexico have been studied by some authors (Rosales-Hoz et al 2008;Tapia-Fernandez et al 2017;Hernández-Hinojosa et al 2018;Ramos-Vázquez et al 2018). And many studies have been focussed on the zircon U-Pb ages of volcanic rocks from various terranes in Mexico, like Chiapas, Oaxaca, Zacatecas, and Xolapa, with little consideration to the detrital zircons in beach sediments (Keppie et al 2003;Weber et al 2009Weber et al , 2018Talavera-Mendoza et al 2013;Escalona-Alcázar et al 2016;Cisneros de León et al 2017;Peña-Alonso et al 2017Ramírez-Peña and Chávez-Cabello 2017).…”

Section: Introductionmentioning

confidence: 99%

Detrital zircon U–Pb geochronology and geochemistry of the Riachuelos and Palma Sola beach sediments, Veracruz State, Gulf of Mexico: a new insight on palaeoenvironment

Armstrong‐Altrin

2020

J. Palaeogeogr.

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Zircons are abundant in the beach sediments. In this study, surface microtexture, mineralogy, bulk sediment geochemistry, trace element composition and U–Pb isotopic geochronology of detrital zircons collected from the Riachuelos and Palma Sola beach areas, southwestern Gulf of Mexico were performed to infer the sediment provenance and palaeoenvironment. The zircon microtexture was categorized as mechanically- and/or chemically-induced features. The weathering index values for the Riachuelos (~ 72–77) and Palma Sola (~ 71–74) beach sediments indicated moderate weathering of both of the two source areas. The major and trace element data of bulk sediments suggested passive margin settings for the two areas. The trace elemental ratios and chondrite-normalized rare earth element (REE) patterns of bulk sediments revealed that the sediments were likely sourced by felsic and intermediate igneous rocks. And the zircon Th/U ratios (mostly more than 0.2) and zircon REE patterns (with negative Eu and positive Ce anomalies) suggested a magmatic origin for both of the beach sediments from these two areas. Two distinct zircon age peaks respectively belonging to the Paleozoic and the Cenozoic were identified both in the Riachuelos and Palma Sola beach sediments. Zircon geochronology comparison research between the Riachuelos–Palma Sola beach sediments and potential source areas in SW Gulf of Mexico revealed that the source terrane supplied the Paleozoic zircons of this study was identified as the Mesa Central Province (MCP), and the Cenozoic zircons were transported from the nearby Eastern Alkaline Province (EAP). Moreover, although the Precambrian zircons were very few in the studied sediments, their geochronology and geochemistry results still could infer that they were contributed by the source terranes of Grenvillian igneous suites in the Oaxaca and the Chiapas Massif Complexes.

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“…carbon and clay contents and anthropogenic activities (Tyler, 2004;Morgan et al, 2012;Anaya-Gregorio et al, 2018;Ramos-Vázquez et al, 2018). The distribution and fractionation patterns of rare earth elements (REE) in sediments relative to those in local source rocks may be related to these factors (Santos et al, 2007).…”

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confidence: 99%

Distribution of rare earth elements in core sediments of Kolakkudi Lake, Southern India

Sivasamandy.¹

2019

Acta Geodynamica Et Geomaterialia

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The lake Kolakkudi represents a small, isolated and fresh water lake situated in southern part of TamilNadu, India and it surrounded by fluvial placer deposits of garnet rich sands. In the study area to obtain information about rare earth elements (REEs) of core sediments and conceded sediment composition and distribution of rare earth elements as well as surrounding soil was investigated. The concentration of REEs in core sediments varies from 0.42 to 49.1 ppm. The higher REE content in the core sediments samples from various locations whichsignificance the plethora of clay and/or quartz with less significant effect caused by sedimentary sorting. According to the difference in the levelsof the rare earth elements, the rare earth elements normalized patterns and associated fractionation parameters (SLREE/SHREE, (La/Yb)N, and (NdYb) N) showed similarities between the lake sediments and the surrounding clays, confirming a widespread influence of nearby local lithology on the lake sediment composition. On the other hand, the results of the statistical analysis suggest the contribution of both clay rich soils and garnet rich sands in the lake sediments to the total content of rare earth elements.

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Foraminiferal assemblages, 14C ages, and compositional variations in two sediment cores in the western Gulf of Mexico

Cited by 44 publications

References 105 publications

Geochemistry of sands from the Huatabampo and Altata beaches, Gulf of California, Mexico

Geochemistry of sands from the Huatabampo and Altata beaches, Gulf of California, Mexico

Detrital zircon U–Pb geochronology and geochemistry of the Riachuelos and Palma Sola beach sediments, Veracruz State, Gulf of Mexico: a new insight on palaeoenvironment

Distribution of rare earth elements in core sediments of Kolakkudi Lake, Southern India

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