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A calcium–aluminium-rich inclusion or Ca–Al-rich inclusion (CAI) is a submillimeter- to centimeter-sized light-colored calcium- and aluminium-rich inclusion found in carbonaceous chondrite meteorites. The four CAIs that have been dated using the Pb-Pb chronometer yield a weighted mean age of 4567.30 ± 0.16 Myr.
The following inclusion types can also be found in aluminium alloys: alumina needles (Al 2 O 3), nitrides (AlN), iron oxides (FeO), manganese oxides (MnO), fluorides (Na 3 AlF 6, NaF, CaF 2, …), aluminium borides (AlB 2, AlB 12), borocarbides (Al 4 C 4 B). Bone ash (Ca 3 (PO 4) 2) sometimes added to patch cracks in the trough can be found as ...
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Krotite was reported in 2011 [3] in a calcium-aluminium-rich inclusion (CAI) in the carbonaceous chondrite meteorite NWA (North West Africa) 1934, which landed in Morocco. [4] The mineral name was approved by the International Mineralogical Association (IMA 2010-038) [ 5 ] and honors Alexander N. Krot, a researcher in cosmochemistry at the ...
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Abar al' Uj 012, Saudi Arabia [5] NWA 10309 2015 16520 feldspathic breccia. Largest known lunar meteorite as of October 2018. [6] NWA 11789: 2017 5492 feldspathic breccia NWA 11228 2017 140 feldspathic breccia : NWA 14685 2020 8000 fragmental breccia NWA 11444 2017 1323 melt breccia [7] NWA 11182 2017 60 feldspathic breccia
(1:12:30) - Prop it up: Harmon and Pianowski's four favorite props of the weekend It's divisional weekend in the NFL and there's so many juicy matchups to sink our teeth into.
Compared to the average death rate of Alzheimer's disease — 3.88% — taxi and ambulance drivers exhibited a significantly lower risk, the study found, with death rates of taxi drivers at 1.03% ...