Interesting stuff Dustin. I need to read more...if I find other info or studies I let you know. Helping at the moment with materials for a parent body study but it does not include CVs or CKs at present.
On Sat, 5 Jan 2019, 17:08 Dustin Dickens via Meteorite-list < [email protected] wrote: > Hello dear meteorite mavericks and mavens, > > It has been a while since I have posted to the list. I needed to test > to see if my account was working before I posted an ad, but thought > why waste the electrons and decided to test it with a topic I have > been intrigued with lately; the relationship of the CK to the CV > carbonaceous chondrites. > > Is anyone currently working on this? I would enjoy learning what > direction you think the latest data / research is pointing. Based on a > recent 2016 paper, see ref below, what I had thought was a relatively > well established isotopic relationship between the CV and CK > chondrites, pegging them to the same parent body, now seems to be in > question. > > This paper raises significant issues with magnetite compositional > differences in the unequilibrated CK and the CV, as well as "Oxygen > fugacities and temperatures in the CV-ox - CK". This seems difficult > to reconcile with some of the previous research I have read on this > topic. I am hoping others might be interested in learning more about > this, and discussing it a bit. > > "Magnetite in the unequilibrated CK chondrites: Implications for > metamorphism and new insights into the relationship between the CV and > CK chondrites Tasha L. DUNN1*, Juliane GROSS2,3, Marina A. IVANOVA4 , > Simone E. RUNYON5 , and Andrea M. BRUCK6" Meteoritics & Planetary > Science 1–20 (2016) doi: 10.1111/maps.12691 > > > https://geology.rutgers.edu/images/Dunn_et_al-2016-Meteoritics__Planetary_Science.pdf > > Kindest regards, > > Dustin Dickens > TOP Meteorite > [email protected] > https://topmeteorite.com > ______________________________________________ > > Visit our Facebook page https://www.facebook.com/meteoritecentral and the > Archives at http://www.meteorite-list-archives.com > Meteorite-list mailing list > [email protected] > https://pairlist3.pair.net/mailman/listinfo/meteorite-list >
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