Integrated detrital rutile and zircon provenance reveals multiple sources for Cambrian sandstones in North Gondwana

Zoleikhaei, Yousef; Mulder, Jack; Cawood, Peter A.

doi:10.1016/j.earscirev.2020.103462

Cited by 34 publications

(26 citation statements)

References 212 publications

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“…In the central Alborz Mountains, alongside the youngest, prominent (0.55-0.56 Ga) detrital zircon population, 0.9-1.0 Ga, 2.0-2.2 Ga, 2.5-2.7 Ga and 2.9-3.2 Ga age populations appear in the Neoproterozoic sandstones from the Kahar Formation (Etemad-Saeed et al 2015). In addition, Cambrian sandstones of the Lalun Formation reveal similar reoccurring age clusters as observed in the Kahar Formation, dominated by Cryogenian-Ediacaran ages, with pre-Neoproterozoic and Cambrian zircon grains a minor component (Zoleikhaei et al 2020). Some Neoproterozoic sandstones from the Kahar and Bayandor formations in Central Iran are dominated by 0.62-0.64 Ga zircon ages, with minor age populations at 0.82 Ga, 0.92-0.94 Ga, 1.9-2.3 Ga and 2.5-3.0 Ga (Honarmand et al 2016).…”

Section: Introductionmentioning

confidence: 60%

“…Taken together, the Arabian-Nubian shield is often referred to as the greatest potential source for the major Precambrian-Palaeozoic detrital zircons in the Iranian microcontinent (e.g. Moghadam et al 2017;Zoleikhaei et al 2020). However, we note that the Iranian microcontinent and South China block may have been geographically close, sharing a similar palaeoenvironment on the northern Gondwana margin.…”

mentioning

confidence: 58%

“…In addition, detrital zircon data from Neoproterozoic, Palaeozoic and Triassic clastic sediments have recently become available from many different portions of the Iranian microcontinent, such as from the central Alborz, Zagros, northwestern Central Iranian terrane and NE Iran (e.g. Horton et al 2008;Etemad-Saeed et al 2015;Honarmand et al 2016;Zhang et al 2017;Moghadam et al 2017;Meinhold et al 2020;Zoleikhaei et al 2020).…”

Section: Introductionmentioning

confidence: 99%

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New detrital zircon U–Pb insights on the palaeogeographic origin of the central Sanandaj–Sirjan zone, Iran

et al. 2021

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New detrital U–Pb zircon ages from the Sanandaj–Sirjan metamorphic zone in the Zagros orogenic belt allow discussion of models of the late Neoproterozoic to early Palaeozoic plate tectonic evolution and position of the Iranian microcontinent within a global framework. A total of 194 valid age values from 362 zircon grains were obtained from three garnet-micaschist samples. The most abundant detrital zircon population included Ediacaran ages, with the main age peak at 0.60 Ga. Other significant age peaks are at c. 0.64–0.78 Ga, 0.80–0.91 Ga, 0.94–1.1 Ga, 1.8–2.0 Ga and 2.1–2.5 Ga. The various Palaeozoic zircon age peaks could be explained by sediment supply from sources within the Iranian microcontinent. However, Precambrian ages were found, implying a non-Iranian provenance or recycling of upper Ediacaran–Palaeozoic clastic rocks. Trace-element geochemical fingerprints show that most detrital zircons were sourced from continental magmatic settings. In this study, the late Grenvillian age population at c. 0.94–1.1 Ga is used to unravel the palaeogeographic origin of the Sanandaj–Sirjan metamorphic zone. This Grenvillian detrital age population relates to the ‘Gondwana superfan’ sediments, as found in many Gondwana-derived terranes within the European Variscides and Turkish terranes, but also to units further east, e.g. in the South China block. Biogeographic evidence proves that the Iranian microcontinent developed on the same North Gondwana margin extending from the South China block via Iran further to the west.

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Section: Introductionmentioning

confidence: 60%

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confidence: 58%

Section: Introductionmentioning

confidence: 99%

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New detrital zircon U–Pb insights on the palaeogeographic origin of the central Sanandaj–Sirjan zone, Iran

et al. 2021

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“…Recently, Zoleikhaei et al (2021) suggest that Cadomian magmatic rocks are not the source for lower Cambrian strata of Iran. Detritus in these lower Palaeozoic formations originated (based on rutile geochemistry, zircon U–Pb data, and zircon ε Hf( t ) values) in Proterozoic–Archean basement exposed in the Arabian–Nubian Shield.…”

Section: Discussionmentioning

confidence: 99%

“…During the Silurian and Devonian, Alborz and Central Iran along with the Afghan Plate were attached to the Arabian Plate. At this time, they formed the northwestern margin of Gondwana and the southern margin of the Palaeotethys (Al‐Juboury & Al‐Hadidy, 2009; Berberian & King, 1981; Ruban, Al‐Husseini, & Iwasaki, 2007; Zoleikhaei, Mulder, & Cawood, 2021).…”

Section: Geological Settingmentioning

confidence: 99%

Tourmaline and rutile geochemistry in the Early–Middle Devonian sandstones of the Padeha Formation, Alborz Range, Northern Iran

et al. 2021

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The provenance of Devonian sandstones of the Padeha Formation (Fm.), Eastern Alborz in Iran, has been investigated by standard heavy‐mineral analysis and tourmaline and rutile geochemistry. Heavy‐mineral assemblage is dominated by the ultra‐stable tourmaline, zircon, and rutile, while unstable species are completely absent. The Padeha Fm. sandstones show a very high value of zircon‐tourmaline‐rutile index signalizing either strong weathering in source area(s) or their recycled origin in older Early Palaeozoic formations. Detrital tourmaline shows predominantly dravitic, lesser Mg‐foititic, and uvitic compositions and metasedimentary origin. Metapelitic source is also indicated by rutile geochemistry. Temperature estimates according to Zr‐in‐rutile thermometry show a wide range from 519 to 872°C and indicate the presence of low‐ to upper‐amphibolite and granulite facies metapelitic rocks. Based on chemical composition of detrital tourmaline and rutile, we inferred that the crystalline basement rocks of the Arabian–Nubian Shield were potential primary sources for the Padeha Fm. deposits. Shape of tourmaline and rutile as well as their microtexture surface features indicate long‐distance transport, storage, and recycled history.

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Detrital zircon and rutile geochronology, geochemistry and provenance of Cambrian sandstones of Iranian Azerbaijan: implications for the Neoproterozoic-Cambrian evolution of the northern Gondwana margin

Moazzen,

Mohammadi,

Topuz

et al. 2023

Int J Earth Sci (Geol Rundsch)

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Integrated detrital rutile and zircon provenance reveals multiple sources for Cambrian sandstones in North Gondwana

Cited by 34 publications

References 212 publications

New detrital zircon U–Pb insights on the palaeogeographic origin of the central Sanandaj–Sirjan zone, Iran

New detrital zircon U–Pb insights on the palaeogeographic origin of the central Sanandaj–Sirjan zone, Iran

Tourmaline and rutile geochemistry in the Early–Middle Devonian sandstones of the Padeha Formation, Alborz Range, Northern Iran

Detrital zircon and rutile geochronology, geochemistry and provenance of Cambrian sandstones of Iranian Azerbaijan: implications for the Neoproterozoic-Cambrian evolution of the northern Gondwana margin

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