lavas
英 [ˈlɑːvəz]
美 [ˈlɑvəz]
n. (火山喷出的)熔岩，岩浆; 火山岩
lava的复数
柯林斯词典
- （火山）熔岩
Lavais the very hot liquid rock that comes out of a volcano.
双语例句
- A Study on the Middle Proterozoic Pillow Lavas in Yuanqu, Shanxi
山西垣曲中元古代枕状熔岩的研究 - It is producing Boninite lavas, believed to be among the hottest erupting on Earth in modern times.
而爆发时产生的玻安岩熔岩相信是当今地球上温度最高的熔岩之一。 - Platinum-group element ( PGE) data for global arc lavas are very scarce.
全球岛弧火山岩的铂族元素数据非常少。 - These results raise the question whether there are true slab-derived melts and whether Nb-enriched arc lavas are due to metasomatism of the mantle wedge by such melts in southern Philippines.
这些结果提出了如下问题：南菲律宾是否存在真正的板片来源的熔体？这里的富铌岛弧熔岩是否起因于地幔楔被这种熔体交代？ - Such lavas also once came from the volcanoes in the Cascade Range in Washington.
在华盛顿州的喀斯喀特山脉的火山也喷出过这样的熔岩。 - Detailed studies of the petrography, petrochemistry and geochemistry, indicate these volcanic rocks have high contents of aluminum and potassium and are intermediate to acid lavas and homoplasmic tufts. Influence of Weak Mudstone Intercalated Layer on Mechanical Properties of Laminated Salt Rock
通过对该组火山岩的岩石学、岩石化学和元素地球化学研究，确认该火山岩为中性。软弱泥岩夹层对层状盐岩体力学特性影响研究 - Metavolcanic rocks of Ordovician tectonic terrane mainly make up blueschists, greenschists, lavas and tuffs in the Sunan county.
甘肃肃南县奥陶系构造地体中变质火山岩主要指蓝片岩、绿片岩及熔岩、凝灰岩。 - The higher alkali volcanic lavas are the results of twice cyclic volcanic activities, the grey purple lava dominating in the early cycle and the grey green in the late cycle. The two kinds of lava are similar in mineral aggregate and texture and structure.
偏碱性火山熔岩为两次火山活动旋回产物，早期火山旋回以灰紫色火山熔岩为主，晚期火山旋回以灰绿色火山熔岩为主，二者在矿物或分、结构构造上均相似。 - Petrographic and geochemical characteristics of lavas reflect the change in style of ex-tension, with typical back-arc basin basic lavas in the north passing southward to arc lavas.
熔岩的岩相学和地球化学特点反映了拉伸方式的改变，北部是典型的弧后盆地基性熔岩，向南则逐渐向岛弧熔岩过渡。 - For the basic lavas with subduction-type signatures, we can judge whether they are really island-arc or active continental margin basalts by studying Zr contents and Zr/ Y ratios or Zr/ Y-Zr diagram.
对于那些具有消减带信号的基性熔岩，可以根据Zr含量和Zr/Y比值，或利用Zr/Y-Zr图解，判断它们是否真正是岛弧或活动大陆边缘玄武岩。