The basalts were intruded by numerous silica dykes, some of which terminate in the sedimentary layers.玄武岩被无数的二氧化硅矿脉侵入, 其中一些终止于沉积岩层.The dykes were built as a protection against the sea.建筑堤坝是为了防止海水泛滥.Stocks , dykes etc. ca...
The dykes were built as a protection against the sea.建筑堤坝是为了防止海水泛滥.I never enjoy meeting Nigel Dykes.我就怕遇到奈杰尔. 戴克斯.Stocks , dykes etc. can be placed in simple sequence with the sedimentary rocks.岩株, 岩墙等可以按其与沉积岩的简单顺序放在图中....