CO Carbonaceous Chondrites

ID	Location	Date	Class.	Mass (g)	State	Fa	Comments
NWA 2083	Rissani, Morocco	10/2003	CO3	144	S1, W2	3.8-57.6	(photograph below)
NWA 2090	Rissani, Morocco	10/2003	CO3	875	S1, W1	12.2-53.2	(photograph below)
NWA 2121	Erfoud, Morocco	2003	CO3.2	24.5	S1, W1	34.0-54.0	Cr₂O₃ in olivine = 0.05-0.18 wt. %; mean = 0.14 (photograph below)
NWA 2131	Rissani, Morocco	2003	CO3	596	S2, W2	25.6-39.7	-
NWA 2398	Morocco	2004	CO3.1	718	S2, W2	18.6-49.7	Cr₂O₃ in olivine = 0.08-0.37 wt. %; mean = 0.28
NWA 2431	Erfoud, Morocco	2004	CO3.3	36	S2, W2	37.2-41.4	Cr₂O₃ in olivine = 0.06-0.10 wt. %
NWA 2633	Erfoud, Morocco	2004	CO3.2	600	S2, W2	4.2-48.2	Cr₂O₃ in olivine = 0.07-0.23 wt. %; olivine FeO/MnO = 108-134
NWA 2647	Erfoud, Morocco	2004	CO3.3	71	S1, W2	38.4-40.2	Cr₂O₃ in olivine = 0.05-0.10 wt. %
NWA 2664	Erfoud, Morocco	2004	CO3.6	78	S2, W3	39.4 (37.9-39.8 N=17)	-
NWA 4540	Erfoud, Morocco	2006	CO3.5	1310	S2, W2	38.3	FeO/MnO = 121 g/g
NWA 4542	Erfoud, Morocco	2006	CO3.6		S2, W3	36.7	-
NWA 4551	Erfoud, Morocco	2006	CO3.5	104	S2, W2	37.7-38.7	FeO/MnO = 110 g/g

Photographs of CO Chondrites