2007
DOI: 10.1086/525527
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Dating the First Stage of Planet Formation

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Cited by 50 publications
(81 citation statements)
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References 22 publications
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“…At the bulk rock scale, carbonaceous chondrites exhibit 53 Cr and 54 Cr excesses (e.g., Trinquier et al 2007 (Moynier et al 2007;Shukolyukov & Lugmair 2006). These initial ratios are consistent with the best estimate initial ratio of the solar system ( 53 Mn/ 55 Mn ratio = (9.7 ± 1.1) × 10 −6 ) …”
Section: Introductionsupporting
confidence: 79%
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“…At the bulk rock scale, carbonaceous chondrites exhibit 53 Cr and 54 Cr excesses (e.g., Trinquier et al 2007 (Moynier et al 2007;Shukolyukov & Lugmair 2006). These initial ratios are consistent with the best estimate initial ratio of the solar system ( 53 Mn/ 55 Mn ratio = (9.7 ± 1.1) × 10 −6 ) …”
Section: Introductionsupporting
confidence: 79%
“…Nevertheless, the elemental 55 Mn/ 52 Cr ratio in the present data set is twice as high as in Yamashita et al (2005) and most probably is at the origin of the elevated 53 Cr/ 52 Cr of the bulk rock reflecting the past presence of 53 Mn. Figure 6 presents the linear correlation between the bulk rock ε 53 Cr values and elemental 55 Mn/ 52 Cr ratios for different carbonaceous chondrites (Moynier et al 2007;Shukolyukov & Lugmair 2006;Trinquier et al 2008b). Our Tagish lake value deviates somehow from the internal bulk 53 Mn-53 Cr carbonaceous chondrite isochron (Moynier et al 2007;Shukolyukov & Lugmair 2006;Trinquier et al 2008b).…”
Section: Heterogeneity At a Whole Rock Scale: Tagish Lakementioning
confidence: 99%
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“…The CAIs probably formed within 10 5 years of the beginning of MCC and are the oldest known solid materials in the solar system (see Montmerle et al 2006). Chondrules, the distinguishing petrological feature of chondritic meteorites, appear to have formed up to 2 million years after CAI formation (Connelly et al 2008), but possibly less according to Simon et al (2005) and Moynier et al (2007). The mean time of accretion of the Earth is believed to be in the range of 20-40 million years after CAI formation; Mars may have accreted earlier (cf.…”
Section: Comparisons To Nucleosynthetic Modelsmentioning
confidence: 99%
“…Respecting the age similarity between the Sun and M67, the age of the Sun has been determined in several studies (e.g., Guenther 1989;Bahcall et al 1995;Guenther & Demarque 1997;Dziembowski et al 1999;Bonanno et al 2002;Baker et al 2005;Moynier et al 2007;Houdek & Gough 2011). Its mean value is around 4.57 Gyr, with a small uncertainty (≈1 Myr) for the formation of the solar system, but for the Sun itself this uncertainty is ≈0.1 Gyr, or even larger, 0.2 Gyr, according to Dziembowski et al (1999).…”
Section: Introductionmentioning
confidence: 99%