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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 ...
Bishop Amat Memorial High School, [18] La Puente; Bishop Montgomery High School, [19] Torrance; Cantwell-Sacred Heart of Mary High School, [20] Montebello; Damien High School [21] (boys), La Verne, previously Pomona Catholic Boys High School; Don Bosco Technical Institute [22] (boys), Rosemead; Flintridge Sacred Heart Academy [23] (girls), La ...
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 ...
Robert Ward found a small CM chondrite fragment in the Henningsen Lotus Park just west of Coloma, CA on 24 April 2012. [17] Later that day, Peter Jenniskens found a crushed 4 g meteorite in the parking lot of that same park and Brien Cook found a 5 g meteorite off Petersen Road in Lotus. These were the only meteorites found before rain hit the ...
Cal vs. UNLV: Predictions, odds, how to watch Art of Sport LA Bowl today. James H. Williams, USA TODAY. Updated December 18, 2024 at 3:08 PM.
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City Date incorporated Population as of (2020 Census) Agoura Hills: December 8, 1982: 20,299 Alhambra: July 11, 1903: 82,868 Arcadia: August 5, 1903: 56,681 Artesia ...