|
Spinel |
 |
Lenaz D, Youbi N, Min A D, Boumehdi M A, Abbou M B |
|
American Mineralogist 99 (2014) 267-275 |
|
Low intra-crystalline closure temperatures of Cr-bearing spinels from the mantle xenoliths of |
|
the Middle AtlasNeogene-Quaternary Volcanic Field (Morocco):Mineralogical evidence of a cooler |
|
mantle beneath the West African Craton. |
|
Note:Sample MAR-BI24 |
|
Locality:Middle Atlas Neogene-Quaternary Volcanic Field of Morocco |
|
_database_code_amcsd 0020064 |
|
8.1727 8.1727 8.1727 90 90 90 *Fd3m |
|
.125 .125 .125 |
|
atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
|
MgT .125 .125 .125 .694 .0079 .0079 .0079 .0079 0 0 0 |
|
FeT .125 .125 .125 .306 .0079 .0079 .0079 .0079 0 0 0 |
|
AlM .5 .5 .5 .69 .0054 .0054 .0054 .0054 -.00042 -.00042 -.00042 |
|
CrM .5 .5 .5 .31 .0054 .0054 .0054 .0054 -.00042 -.00042 -.00042 |
|
O .26274 .26274 .26274 .0078 .0078 .0078 .0078 -.0006 -.0006 -.0006 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink)
|
| |
