Progress in Earth and Planetary Science

Table 1 Bulk (silicate) chemical compositions of chondrites and average chemical compositions of chondrules (mol%)

From: Bubbles to Chondrites-II. Chemical fractionations in chondrites

Chondrite
Type	NaO _0.5	MgO	AlO _1.5	SiO₂	KO _0.5	CaO	TiO₂	CrO _1.5	MnO	FeO	Total
Bulk chondrite
L	1.917	38.366	2.760	41.335	0.146	2.063	0.094	0.436	0.300	12.584	100
H	1.921	39.938	2.905	42.155	0.132	2.147	0.104	0.474	0.302	9.921	100
LL	1.838	37.512	2.634	40.508	0.127	2.053	0.098	0.426	0.296	14.510	100
CV	0.518	39.356	4.243	36.656	0.041	3.045	0.137	0.465	0.172	15.368	100
E	1.956	39.890	3.811	49.636	0.119	1.595	0.098	0.387	0.259	2.248	100
CO	1.369	36.873	3.629	35.612	0.084	2.431	0.105	0.391	0.221	19.285	100
CM	1.422	35.450	3.188	35.180	0.082	2.383	0.112	0.403	0.244	21.536	100
CI	1.835	33.208	2.653	31.931	0.114	1.906	0.077	0.419	0.293	27.563	100
CI ^∗	2.128	38.517	3.077	37.035	0.133	2.210	0.090	0.486	0.340	15.984	100
Chondrule
L	1.765	39.358	2.631	42.223	0.134	1.864	0.089	0.456	0.284	11.197	100
H	1.913	39.393	2.735	43.740	0.147	2.023	0.104	0.435	0.301	9.208	100
LL	1.763	41.238	2.415	42.859	0.175	1.654	0.097	0.627	0.295	8.878	100
CV	0.485	51.884	2.814	40.330	0.041	2.782	0.145	0.228	0.058	1.233	100
E	1.237	43.853	1.939	48.802	0.129	1.373	0.046	0.257	0.155	2.208	100
CO	1.386	41.717	4.240	40.456	0.047	3.689	0.145	0.440	0.167	7.712	100
CM	0.039	52.775	1.422	41.518	0.000	2.161	0.203	0.328	0.087	1.467	100

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