The results of geochemical, geological and petrological studies suggest that the MC be formed through altera-tion, filling and crystallization beneath the basin during the Devonian period.

• 地球化学研究与地质、岩石学研究结果一致,支持乳房状燧石是泥盆系的热水在近盆地底面附近由交代、充填、结晶作用而形成。