Geochemistry of sands along the San Nicolás and San Carlos beaches, Gulf of California, Mexico: implications for provenance and tectonic setting

Armstrong‐Altrin, John S.; Nagarajan, R.; Lee, Yong Il; Kasper‐Zubillaga, Juan José; CÓRDOBA-SALDAÑA, Leslie P.

doi:10.3906/yer-1309-21

Cited by 114 publications

(38 citation statements)

References 88 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Geochemistry of sedimentary rocks is influenced by hydraulic sorting, which controls the distribution of some trace elements (Armstrong‐Altrin, Nagarajan, Lee, & Kasper‐Zubillaga, ). Sc is concentrated in mafic components, and Zr is concentrated in zircon.…”

Section: Discussionmentioning

confidence: 99%

Provenance and tectonic setting of the Early and Middle Devonian Xueshan Formation, the North Qilian Belt, China

et al. 2017

View full text Add to dashboard Cite

The North Qilian orogenic belt is the key in the exploration of the formation and assembly of Asia. The Early–Middle Devonian Xueshan Formation, which is deposited in the north area of North Qilian Orogenic Belt, is the most important for revealing the evolution basin–mountain transition of the North Qilian Belt. In order to reveal the tectonic evolution of the central orogenic belt in China and Paleozoic global plate reconstruction, it is necessary to perform provenance analysis of the Xueshan Formation. Eighteen samples were collected from Yumen and Yongchang profiles in the west of North Qilian Belt (WN), and 16 samples were obtained from Gulang and Jingtai profiles in the east of North Qilian Belt (EN). The compositions of clastic conglomerates and the sandstones suggested that felsic volcanic was the main source of the WN Xueshan Formation deposits and that the sedimentary and metamorphic rocks were the main source of the EN sediments. According to major geochemistry indexes, such as Al2O3/SiO2 ratio ranging from 0.08 to 0.37 and the chemical index of alteration less than 80, the source rocks were moderately weathered and of moderately matured. The samples from the EN were relatively enriched in Cr, Ni, Sc, and V elements and depleted in Hf element. However, those from the WN were enriched in Hf without the enrichment of Cr, Ni, Sc, or V. The samples from WN showed a strong negative Eu anomaly, but the samples from EN showed a weak negative Eu anomaly or a positive Eu anomaly. All the above geochemical characteristics suggested the prominent input of felsic clasts with granitic rocks into the WN. Meanwhile, the discrimination diagrams of trace elements implied that WN rocks were derived from continental island arc and that the EN rocks were derived from orogenic belt and the passive continental margin. The North China Plate subducted southwards and formed subduction‐related arc magmatism along the southern margin of the North Qilian Terrane during the Early–Middle Devonian. In conclusion, the WN is a fore‐arc basin, but EN is a foreland basin.

show abstract

Section: Discussionmentioning

confidence: 99%

Provenance and tectonic setting of the Early and Middle Devonian Xueshan Formation, the North Qilian Belt, China

et al. 2017

View full text Add to dashboard Cite

show abstract

“…Recently, these diagrams were evaluated by ArmstrongAltrin (2015) and identified a good functioning of these diagrams for discriminating the tectonic of setting of older sedimentary basins. Similarly, these diagrams were used in recent studies to discriminate the tectonic setting of a source region, based on sediment geochemistry (Armstrong-Altrin et al 2014;Zaid and Gahtani 2015). These new discriminant-functionbased major-element diagrams (Fig.…”

Section: Tectonic Settingmentioning

confidence: 98%

“…The major element-based provenance discriminant function diagram of Roser and Korsch (1988) is frequently used by many researchers to identify the provenance of terrigenous sediments (Hofer et al 2013;Khanchuk et al 2013;Vdacny et al 2013) and to reflect the source rock composition (Shadan and Hosseini-Barzi 2013;Armstrong-Altrin et al 2014). This discriminant function diagram favors a felsic source for RG sands and intermediate source for AS sands (Fig.…”

mentioning

confidence: 99%

Geochemistry of sands along the Ain Soukhna and Ras Gharib beaches, Gulf of Suez, Egypt: implications for provenance and tectonic setting

Zaid

2015

Arab J Geosci

View full text Add to dashboard Cite

Provenance, tectonic setting, and weathering condition of sands from the Ain Soukhna (AS) and Ras Gharib (RG) beaches along the Gulf of Suez, Egypt, have been studied using mineralogy and major and trace element data. The textural study reveals that the proportion of quartz is higher in RG (65-81 %) than in AS (47-54 %) sands. The compositional similarity between the AS and RG sands is tested statistically by the application of analysis of variance (ANOVA) at 95 % confidence level to avoid misinterpretation. The analyses of heavy minerals reveal that the AS sands are higher in ultrastable minerals (zircon, rutile, and tourmaline) than in RG sands. All sand samples of AS are classified as intermediate using (SiO 2 ) adj content, while samples of RG are felsic in composition. The variations in SiO ratios among the two study areas reflect differences in source rock characteristics. The low Chemical Index of Alteration values in the AS and RG sands (CIA; 43.16-51.54) indicate low degree of chemical weathering, which may reflect cold and/ or arid climate conditions in the source area. The A-CN-K diagram for AS and RG sands define a non-steady stateweathering trend, which indicates balanced rates of chemical weathering and erosion and indicates that AS and RG sands derived from granodioritic and granitic sources, respectively. The tectonic discriminate diagrams provide a good evidence for the rifting of Gulf of Suez, which is consistent with the general geology of Egypt.

show abstract

“…Sedimen merupakan salah satu bahan yang dapat digunakan untuk menggambarkan kondisi perairan teluk, seperti proses transpor sedimen oleh agen pengangkut, tingkat pencemaran lingkungan, dan proses geologi sehingga membentuk lingkungan tersebut (Adams et al, 1992;Fuller et al, 1999;Maranho et al, 2010;Barnard et al, 2013;Armstrong Altrin et al, 2014). Sebaran sedimen di pantai terjadi berdasarkan proses interaksi antara proses di laut dan darat.…”

Section: Pendahuluanunclassified

Sediment Distribution Analysis in Balohan Bay, Sabang

Purnawan

Alamsyah

Setiawan

et al. 2017

J. Ilmu dan Teknologi Kelautan Tropis

View full text Add to dashboard Cite

We investigated the sediment properties and distribution in Balohan Bay ABSTRAKKajian ini menelaah sifat dan distribusi sedimen di Teluk Balohan, yang terletak di selatan Pulau Weh, Provinsi Aceh. Tujuan dari penelitian ini adalah untuk menjelaskan mekanisme distribusi sedimen di Teluk Balohan melalui pendekatan statistik. Pengambilan sampel dilakukan pada Bulan Januari 2016 menggunakan metode coring. Data ukuran butir sedimen dari 14 stasiun dihasilkan menggunakan analisis ayakan basah. Fraksi pasir halus dan pasir sangat halus banyak ditemukan di sisi barat Teluk Balohan, dimana sedimen halus terbawa dari sejumlah aliran sungai kecil yang bermuara di daerah tersebut. Sedimen pada sisi timur Teluk Balohan memiliki ciri ukuran butiran rata-rata yang lebih kasar dan sortasi yang lebih buruk, disebabkan lokasi yang berdekatan dengan tebing curam.Kata kunci: analisis granulometri, Teluk Balohan, phi, sedimen, ukuran butir

show abstract

Geochemistry of sands along the San Nicolás and San Carlos beaches, Gulf of California, Mexico: implications for provenance and tectonic setting

Cited by 114 publications

References 88 publications

Provenance and tectonic setting of the Early and Middle Devonian Xueshan Formation, the North Qilian Belt, China

Provenance and tectonic setting of the Early and Middle Devonian Xueshan Formation, the North Qilian Belt, China

Geochemistry of sands along the Ain Soukhna and Ras Gharib beaches, Gulf of Suez, Egypt: implications for provenance and tectonic setting

Sediment Distribution Analysis in Balohan Bay, Sabang

Contact Info

Product

Resources

About