| c. BC) [18]. In Jiudian (Xiping county, Henan province, China), a blast furnace was excavated, and its...49 of Amallobriga, ca. 3rd c. AD, in Tiedra, province of Valladolid, Castile and León, Spain [45]. Different...corresponding to FeSi2 , is found trapped in natural moissanite (SiC) grains from the Mir kimberlite pipe sites...112◦ 190 000 E) and limestones in northwestern Bulgaria, attributed to the Triassic (251.902 ± 0.024–201...121]. The grains have sizes of between 1 mm (NW Bulgaria) and 100 microns (Mir, Yakutia). In one SiC grain |
