Fig. 4From: Enstatite chondrites: condensation and metamorphism under extremely reducing conditions and contributions to the EarthOccurrences of schreibersite (Sch) in EH3s. a A large grain enclosed in kamacite (Ka) and numerous micron-spherules (arrows) enclosed in djerfisherite (Dj) in Qingzhen; b small spherules in an oldhamite (Old) fragment in Almahata Sitta MS-17; c abundant schreibersite micron-spherules in troilite and niningerite in Sahara 97159; d the micron-spherules in troilite and sphalerite in the center of metal-rich nodule in Sahara 97159. Note a mantle enriched in fine-grained troilite and silicates (dark)Back to article page