The Precambrian Mafic Magmatic Record, Including Large Igneous Provinces of the Kalahari Craton and Its Constituents: A Paleogeographic Review

Kock, Michiel O. de; Gumsley, Ashley; Klausen, Martin B.; Djeutchou, Cedric

doi:10.1007/978-981-13-1666-1_5

Cited by 9 publications

(1 citation statement)

References 186 publications

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“…Remarkably, this pattern closely resembles that of the MMS for ages ≥2.4 Ga. Because Schröder et al (2016) did not find exposures of equivalent-age volcanic rocks on the Kaapvaal craton, they invoked the Woongarra Rhyolite (c. 2.45 Ga) in the Pilbara craton of Western Australia, which was allegedly joined to the Kaapvaal craton at the time (Cheney, 1996;de Kock et al 2009;Schröder et al 2016 and references therein). More recently, however, mafic volcanism and dyking of the c. 2.4 Ga Ongeluk event has been recognized in the Kaapvaal and Zimbabwe cores of the composite proto-Kalahari craton (de Kock et al 2018). A potential source for the 2.4 Ga detrital zircon, and other grains older than this, in the MMS can thus be found in Southern Africa.…”

Section: B3 Source Areas Of the Maz Metasedimentary Seriesmentioning

confidence: 99%

The Maz Metasedimentary Series (Western Sierras Pampeanas, Argentina). A relict basin of the Columbia supercontinent?

et al. 2021

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The Maz Metasedimentary Series is part of the Maz Complex that crops out in the sierras of Maz and Espinal (Western Sierras Pampeanas) and in the Sierra de Umango (Andean Frontal Cordillera), northwestern Argentina. The Maz Complex is found within a thrust stack of Silurian age, which later underwent open folding. The Maz Metasedimentary Series mainly consists of medium-grade garnet–staurolite–kyanite–sillimanite schists and quartzites, with minor amounts of marble and calc-silicate rocks. Transposed metadacite dykes have been recognized along with amphibolites, metagabbros, metadiorites and orthogneisses. Schist, quartzite and metadacite samples were analysed for SHRIMP U–Pb zircon dating. The Maz Metasedimentary Series is polymetamorphic and records probably three metamorphic events during the Grenvillian orogeny, at c. 1235, 1155 and 1035 Ma, and a younger metamorphism at c. 440–420 Ma resulting from reactivation during the Famatinian orogeny. The sedimentary protoliths were deposited between 1.86 and 1.33–1.26 Ga (the age of the Andean-type Grenvillian magmatism recorded in the Maz Complex), and probably before 1.75 Ga. The main source areas correspond to Palaeoproterozoic and, to a lesser magnitude, Meso-Neoarchaean rocks. The probable depositional age and the detrital zircon age pattern suggest that the Maz Metasedimentary Series was laid down in a basin of the Columbia supercontinent, mainly accreted between 2.1 and 1.8 Ga. The sedimentary sources were diverse, and we hypothesize that deposition took place before Columbia broke up. The Rio Apa block, and the Río de la Plata, Amazonia and proto-Kalahari cratons, which have nearby locations in the palaeogeographic reconstructions, were probably the main blocks that supplied sediments to this basin.

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Section: B3 Source Areas Of the Maz Metasedimentary Seriesmentioning

confidence: 99%

The Maz Metasedimentary Series (Western Sierras Pampeanas, Argentina). A relict basin of the Columbia supercontinent?

et al. 2021

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Large Igneous Province Record Through Time and Implications for Secular Environmental Changes and Geological Time‐Scale Boundaries

Ernst

Bond

Zhang

et al. 2021

Geophysical Monograph Series

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Large igneous provinces are voluminous (> 0.1 Mkm 3 ( = 10 6 km 3 ); frequently above 1 Mkm 3 ), mainly mafic (ultramafic) magmatic events of intraplate affinity (based on tectonic setting and/or geochemistry) that occur in both continental and oceanic settings, are often linked with mantle plumes, and are typically emplaced over a short time period ( < 5 myr; often < 2 myr) or in multiple short pulses with a maximum duration of a few tens of myr (e.g.,

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Tracing the Sveconorwegian orogen into the Caledonides of West Norway: Geochronological and isotopic studies on magmatism and migmatization

Wang

Wiest

Jacobs

et al. 2021

Precambrian Research

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The Precambrian Mafic Magmatic Record, Including Large Igneous Provinces of the Kalahari Craton and Its Constituents: A Paleogeographic Review

Cited by 9 publications

References 186 publications

The Maz Metasedimentary Series (Western Sierras Pampeanas, Argentina). A relict basin of the Columbia supercontinent?

The Maz Metasedimentary Series (Western Sierras Pampeanas, Argentina). A relict basin of the Columbia supercontinent?

Large Igneous Province Record Through Time and Implications for Secular Environmental Changes and Geological Time‐Scale Boundaries

Tracing the Sveconorwegian orogen into the Caledonides of West Norway: Geochronological and isotopic studies on magmatism and migmatization

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