Table T1. Occurrence of high-temperature microscopic veins.

	Troctolite	Olivine gabbro and gabbro	Oxide-rich gabbros	Microgabbros	Felsic veins	All samples
Presence	3 (27.3%)	26 (15.8%)	2 (12.5%)	0 (0.0%)	0 (0.0%)	31 (14.3%)
Absence	8 (72.7%)	139 (84.2%)	14 (87.5%)	24 (100.0%)	1 (100.0%)	186 (85.7%)
Total	11	165	16	24	1	217