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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 ...
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 ...
Colorado's base hour wage is rising to $14.81, up 39 cents, due to inflation.Connecticut workers will make an hourly minimum of $16.35, up 66 cents, and adjusted for inflation.Delaware's minimum ...
UPDATED with new start time for the postponed Sugar Bowl. The Sugar Bowl, a college football tradition for 90 years, has been postponed for one day following the horrific attack on a crowd in New ...
The MLB world lost its all-time leader in stolen bases on Saturday with the death of Rickey Henderson, who was among baseball's brightest stars of the 1980s and '90s.. Henderson will always be ...
Al-Ca composite is a high-conductivity, high-strength, lightweight composite consisting of sub-micron-diameter pure calcium metal filaments embedded inside a pure aluminium metal matrix. The material is still in the development phase, but it has potential use as an overhead high-voltage power transmission conductor . [ 1 ]
The loss means Alabama finishes coach Kalen DeBoer's first season at 9-4. It's the first time the Crimson Tide have ended a season with fewer than 10 wins since a 7-6 campaign in 2007.