amygdaloidal lava
常见例句
- Although the amygdaloidal native copper aggregate was known in vesiculate lava at the top of the Emeishan basalts, economic copper ore deposits had not been discovered until two years ago.
过去已知在峨眉山玄武岩顶部气孔状熔岩中含有杏仁状自然铜，但很少构成连续的铜矿体。 返回 amygdaloidal lava