Fluid inclusions are commonly observed in various stages during the diage-netic evolution and the generation,migration a......

This report describes the first occurrence of the rare mineral mandarinoite (Fe3+2 Se3 O9@ 6H2O) in China. Itoccurs in t......

与轴相连的苏铁大孢子叶第一次发现于太原东山的下二叠系地层中。它出现如此之早，表明这种球果状的结构可能是所有苏铁类雌性生殖器......