Hydrous origin of the continental cratonic mantle

Matsukage, Kyoko N; Kawasaki, Toshisuke

doi:10.1186/1880-5981-66-29

Earth, Planets and Space

Table 3 Modal and chemical compositions of experimental liquid and residual mineral phases in pyrolite + 2 wt.% H ₂ O

From: Hydrous origin of the continental cratonic mantle

Run no.		Mode (wt.%)	SiO₂(wt.%)	TiO₂	Al₂O₃	Cr₂O₃	FeO^*	MgO	CaO	Na₂O	K₂O	Total	Mg#
3.0 GPa
OD1085	Ol	32	40.3	0.0	0.0	0.1	8.0	50.0	0.1	0.7	0.0	99.4	0.917
	MgPx	21	56.1	0.0	1.4	0.9	5.1	35.1	0.3	0.8	0.0	99.7	0.925
	L (100%)	48	43.7	1.1	7.8	0.5	9.9	28.8	6.6	1.3	0.3	100.0	0.838
OD1083	Ol	31	40.6	0.0	0.0	0.2	6.1	52.3	0.1	0.7	0.0	100.1	0.938
OD1083	L (100%)	69	47.1	0.8	5.6	0.5	8.9	30.9	4.6	1.3	0.4	100.0	0.861
OD1094	Ol	29	42.1	0.0	0.0	0.1	5.9	53.3	0.1	0.0	0.0	101.5	0.942
OD1094	L (100%)	71	46.9	0.7	5.6	0.5	9.3	31.6	4.6	0.4	0.3	100.0	0.858
OD1084	L (100%)	100	46.1	0.6	5.5	0.4	4.6	37.4	3.8	1.4	0.3	100.0	0.935
4.5 GPa
OD1022	Ol	39	40.3	0.0	0.0	0.1	8.4	48.9	0.0	0.2	0.0	97.9	0.912
	MgPx	30	56.9	0.1	1.1	0.4	5.2	34.7	0.8	0.2	0.0	99.3	0.923
	Gt	9	41.1	0.7	19.8	2.0	8.1	20.6	5.2	0.1	0.0	97.6	0.818
	L (100%)	22	38.6	3.5	5.9	0.4	13.8	25.3	11.1	0.5	0.9	100.0	0.766
OD1053	Ol	36	41.1	0.0	0.0	0.1	7.4	49.6	0.0	0.0	0.0	98.3	0.922
	MgPx	31	55.3	0.0	2.2	0.4	5.0	33.0	0.6	0.1	0.0	96.8	0.921
	Gt	4	42.3	0.3	19.5	2.9	7.1	23.0	3.6	0.0	0.1	98.8	0.852
	L (100%)	29	38.1	1.8	6.5	0.4	12.7	27.0	11.1	1.4	1.0	100.0	0.792
OD1050	Ol	29	41.4	0.0	0.0	0.1	7.1	50.3	0.1	0.1	0.0	99.1	0.927
	MgPx	19	57.9	0.0	1.3	0.6	4.0	35.3	0.4	0.1	0.0	99.6	0.941
	L (100%)	52	43.2	0.9	6.2	0.6	11.1	31.1	5.7	0.7	0.4	100.0	0.833
OD1045	Ol	28	42.1	0.0	0.0	0.2	5.7	52.3	0.0	0.2	0.0	100.6	0.943
	MgPx	2	58.6	0.1	1.1	0.5	3.4	36.5	0.4	0.2	0.0	100.8	0.950
	L(100%)	70	46.8	0.7	4.5	0.6	9.5	31.7	4.6	1.3	0.2	100.0	0.856
OD1082	Ol	29	40.8	0.0	0.0	0.2	5.3	51.9	0.1	0.7	0.0	99.0	0.946
OD1082	L (100%)	71	46.3	0.8	5.5	0.6	9.0	31.5	4.5	1.6	0.3	100.0	0.862
OD1087	L (100%)	100	43.5	0.7	5.5	0.4	9.6	35.7	3.7	0.6	0.2	100.0	0.869
6.0 GPa
OD1080	Ol		42.4	0.1	0.0	0.0	6.4	52.4	0.0	0.7	0.0	102.1	0.936
	MgPx		58.7	0.1	0.2	0.1	4.5	36.7	0.5	0.8	0.1	101.5	0.936
	Gt		42.4	0.4	18.1	1.2	10.7	20.7	6.4	0.7	0.0	100.6	0.775
	CaPx		55.4	0.2	1.2	0.3	4.5	18.1	19.0	2.4	0.0	101.2	0.879
	FeTi		1.2	15.3	0.8	2.2	62.0	3.8	0.2	0.4	0.0	86.0
	L	<5
OD1065	Ol	21	40.7	0.0	0.2	0.1	7.2	50.6	0.0	0.7	0.0	99.5	0.926
	MgPx	41	57.0	0.0	1.0	0.2	4.7	36.0	0.5	0.8	0.0	100.3	0.932
	Gt	9	42.2	0.3	18.7	2.3	8.1	24.9	2.1	0.7	0.0	99.2	0.847
	L (100%)	29	33.0	1.4	3.8	0.3	14.5	34.3	9.7	2.2	0.9	100.0	0.808
OD1079	Ol	21	41.0	0.0	0.0	0.1	6.7	51.0	0.0	0.7	0.0	99.5	0.932
	MgPx	26	57.9	0.1	0.9	0.3	4.1	36.4	0.5	0.8	0.0	100.9	0.941
	Gt	2	43.1	0.3	19.7	2.7	5.4	25.4	1.9	0.7	0.0	99.2	0.893
	L (100%)	52	41.3	1.2	5.2	0.5	11.2	33.2	5.7	1.4	0.2	100.0	0.841
OD1063	Ol	28	40.9	0.0	0.0	0.0	6.7	51.2	0.1	0.6	0.0	99.6	0.932
	MgPx	21	57.7	0.0	1.0	0.3	3.7	36.0	0.6	0.8	0.0	100.2	0.946
	Gt	1	43.4	0.5	19.3	2.7	5.9	24.6	3.2	0.6	0.0	100.2	0.881
	L (100%)	50	43.2	0.9	5.1	0.5	11.1	30.6	7.0	1.2	0.3	100.0	0.831
OD1095	Ol	16	42.1	0.0	0.0	0.1	4.7	53.7	0.0	0.0	0.0	100.7	0.953
OD1095	L (100%)	84	45.5	0.5	4.7	0.6	8.7	34.6	4.0	1.3	0.2	100.0	0.877
OD1092	L (100%)	100	41.7	0.7	4.9	0.6	9.1	37.5	3.6	1.6	0.2	100.0	0.880
OD1088	L (100%)	100	47.3	0.4	4.0	0.5	8.0	35.4	2.7	1.6	0.1	100.0	0.887
8.0 GPa
OD1086	Ol		40.8	0.1	0.0	0.1	8.6	49.9	0.0	0.7	0.0	100.2	0.912
	MgPx		56.5	0.0	0.7	0.2	5.1	33.3	1.6	1.1	0.1	98.6	0.920
	Gt		43.7	1.3	17.3	1.9	7.4	23.3	4.6	0.7	0.0	100.2	0.848
	CaPx		56.1	0.1	1.6	0.4	5.3	23.6	11.2	1.9	0.1	100.2	0.889
	L	<5
OD1058	Ol	14	42.4	0.0	0.0	0.1	4.9	52.8	0.1	0.1	0.0	100.4	0.950
	MgPx	6	59.2	0.0	0.7	0.2	3.1	36.8	0.5	0.1	0.0	100.6	0.955
	Gt	4	45.5	0.6	16.9	1.9	5.7	26.5	2.3	0.1	0.0	99.5	0.892
	L (100%)	76	45.5	0.6	3.3	0.4	9.5	35.9	3.9	0.6	0.2	100.0	0.871

Ol, olivine; MgPx, Mg-rich orthopyroxene; Gt, garnet; CaPx, clinopyroxene; FeTi, Fe- and Ti-bearing hydroxide; L, liquid; (100%), 100% normalized chemical composition. FeO*, total iron is listed as FeO.

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