|
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-BI16 |
|
Locality:Middle Atlas Neogene-Quaternary Volcanic Field of Morocco |
|
_database_code_amcsd 0020063 |
|
8.2021 8.2021 8.2021 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 .714 .0046 .0046 .0046 .0046 0 0 0 |
|
FeT .125 .125 .125 .287 .0046 .0046 .0046 .0046 0 0 0 |
|
AlM .5 .5 .5 .603 .00325 .00325 .00325 .00325 -.00043 -.00043 -.00043 |
|
CrM .5 .5 .5 .397 .00325 .00325 .00325 .00325 -.00043 -.00043 -.00043 |
|
O .26275 .26275 .26275 .00615 .00615 .00615 .00615 -.00079 -.00079 -.00079 |
|
|
| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
|
|