Figure 8:

Histograms of host Δ¹⁷O values from chondrules in Kaba and further carbonaceous chondrites. Like Kaba, all listed carbonaceous chondrites contain abundant type I chondrules with Δ¹⁷O values in the range of ~ −6‰ and −4‰, though no type I chondrules in Kaba show Δ¹⁷O values > −3‰ that are common in the other carbonaceous chondrites except Yamato 82094. Because Allende experienced significant thermal metamorphism, Mg#’s of chondrules are disturbed and no distinction is being made between type I chondrules with Mg#<98 or >98. Literature data are from [1] Rudraswami et al. (2011), [2] Tenner et al. (2013), [3] Tenner et al. (2015), [4] Tenner et al. (2017), [5] Ushikubo et al. (2012).