2012
DOI: 10.1007/s00410-012-0744-6
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Peralkaline magma evolution and the tephra record in the Ethiopian Rift

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Cited by 76 publications
(77 citation statements)
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References 66 publications
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“…In some models, olivine crystallises considerably earlier than plagioclase, which might explain the high CaO and Al 2 O 3 in the olivine inclusions relative to the plagioclase ones. The challenges of modelling alkaline rocks are discussed by Gleeson et al (2017) and Rooney et al (2012a). Rooney et al (2012a) particularly note the problem that MELTS is not well calibrated for fluorapatite, something also evident in our results.…”
Section: Melts Modellingmentioning
confidence: 70%
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“…In some models, olivine crystallises considerably earlier than plagioclase, which might explain the high CaO and Al 2 O 3 in the olivine inclusions relative to the plagioclase ones. The challenges of modelling alkaline rocks are discussed by Gleeson et al (2017) and Rooney et al (2012a). Rooney et al (2012a) particularly note the problem that MELTS is not well calibrated for fluorapatite, something also evident in our results.…”
Section: Melts Modellingmentioning
confidence: 70%
“…The challenges of modelling alkaline rocks are discussed by Gleeson et al (2017) and Rooney et al (2012a). Rooney et al (2012a) particularly note the problem that MELTS is not well calibrated for fluorapatite, something also evident in our results. Overall, however, modelling suggests that the magmas experienced a combination of isobaric cooling and degassing during decompression.…”
Section: Melts Modellingmentioning
confidence: 70%
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“…Metal analyses of samples for cores Y71-09-115 and Y71-07-47 were performed using a Bruker Pioneer S4 XRF at Michigan State University (MSU) (34). The relative standard deviation for major elements in external standards USGS BHVO-1 and RGM-1 is <0.3%.…”
Section: Metal Concentrationsmentioning
confidence: 99%
“…Fractional crystallization of basaltic magma rather than anatexis of continental crust was the major source for the silicic magmas of the Afar and rift valley margins Peccerillo et al, 2003;Peccerillo et al, 2007;Ayalew and Gibson, 2009;Rooney et al, 2012b). A lessened magma supply rate, resulting in magmatic intrusion at greater depths and slower cooling (Behn et al, 2006), fostered crystal fractionation processes together with lithospheric assimilation.…”
Section: Stage 2: Tectonic Stretchingmentioning
confidence: 99%