Breyite inclusions in diamond: experimental evidence for possible dual origin

Woodland, Alan B.; Girnis, Andrei V.; Bulatov, Vadim K.; Brey, Gerhard P.; Höfer, Heidi E.

doi:https://doi.org/10.5194/ejm-32-171-2020

Articles | Volume 32, issue 1

Eur. J. Mineral., 32, 171–185, 2020

https://doi.org/10.5194/ejm-32-171-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Eur. J. Mineral., 32, 171–185, 2020

https://doi.org/10.5194/ejm-32-171-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 32, issue 1

Research article 11 Feb 2020

Research article | 11 Feb 2020

Breyite inclusions in diamond: experimental evidence for possible dual origin

Alan B. Woodland et al.

Viewed

Total article views: 1,375 (including HTML, PDF, and XML)

HTML	PDF	XML	Total	BibTeX	EndNote
1,093	266	16	1,375	16	15

HTML: 1,093
PDF: 266
XML: 16
Total: 1,375
BibTeX: 16
EndNote: 15

Views and downloads (calculated since 11 Feb 2020)

Month	HTML	PDF	XML	Total
Feb 2020	66	31	1	98
Mar 2020	32	14	2	48
Apr 2020	19	6	0	25
May 2020	35	9	0	44
Jun 2020	108	29	0	137
Jul 2020	56	25	7	88
Aug 2020	130	7	2	139
Sep 2020	57	4	0	61
Oct 2020	42	8	1	51
Nov 2020	68	12	1	81
Dec 2020	59	6	0	65
Jan 2021	31	15	0	46
Feb 2021	13	3	0	16
Mar 2021	14	11	1	26
Apr 2021	8	8	0	16
May 2021	9	7	0	16
Jun 2021	13	13	0	26
Jul 2021	9	8	0	17
Aug 2021	8	9	0	17
Sep 2021	11	8	0	19
Oct 2021	9	16	0	25
Nov 2021	296	17	1	314

Cumulative views and downloads (calculated since 11 Feb 2020)

Month	HTML	PDF	XML	Total
Feb 2020	66	31	1	98
Mar 2020	32	14	2	48
Apr 2020	19	6	0	25
May 2020	35	9	0	44
Jun 2020	108	29	0	137
Jul 2020	56	25	7	88
Aug 2020	130	7	2	139
Sep 2020	57	4	0	61
Oct 2020	42	8	1	51
Nov 2020	68	12	1	81
Dec 2020	59	6	0	65
Jan 2021	31	15	0	46
Feb 2021	13	3	0	16
Mar 2021	14	11	1	26
Apr 2021	8	8	0	16
May 2021	9	7	0	16
Jun 2021	13	13	0	26
Jul 2021	9	8	0	17
Aug 2021	8	9	0	17
Sep 2021	11	8	0	19
Oct 2021	9	16	0	25
Nov 2021	296	17	1	314

Viewed (geographical distribution)

Total article views: 1,251 (including HTML, PDF, and XML) Thereof 1,214 with geography defined and 37 with unknown origin.

Country	#	Views	%

1

1

Cited

Latest update: 27 Nov 2021

Short summary

We experimentally explored direct entrapment of breyite (CaSiO₃) by diamond at upper-mantle conditions in a model subducted sediment rather than formation by retrogression of CaSiO₃ perovskite, implying a deeper origin. Anhydrous low-T melting of CaCO₃+SiO₂ precludes breyite formation. Under hydrous conditions, reduction of melt results in graphite with breyite. Thus, breyite inclusions in natural diamond may form from aragonite + coesite or carbonate melt at 6–8 GPa via reduction with water.


Total:	0
HTML:	0
PDF:	0
XML:	0

Breyite inclusions in diamond: experimental evidence for possible dual origin

Viewed

Viewed (geographical distribution)

Cited

6 citations as recorded by crossref.