在一个典型的造山期中,沿着一个稳定地块边缘的地槽中沉积的厚厚的沉积物遭到揉皱。
有专门放置临时垃圾的设施并保持其封闭,排污设施(地槽、抽油烟机和排风口等)保持畅通清洁;
在华北地台西缘与秦祁地槽东部的国家湾盆地和固关盆地中下白垩统砂岩中赋存铀矿。
在地槽活动带的边缘区的构造-岩浆岩带是钼矿床产出的有利场所;
1·The cycle of geosyncline formation and orogeny can be integrated with the plate tectonics concept of opening and closing oceans in a simple and natural way.
这种地槽的形成与造山作用的循环可以以一种简单和自然的方式与板块构造的海洋开合理论结合起来。
2·The walls are covered with tile, the ground with ribband materials. Have geosyncline and suspend ceiling.
墙面满铺瓷砖,用防滑材料满铺地面,有地槽、有吊顶;
3·In a typical mountain-building episode, a thick section of sediments, deposited in a geosyncline along the margin of a stable block, is crumpled.
在一个典型的造山期中,沿着一个稳定地块边缘的地槽中沉积的厚厚的沉积物遭到揉皱。
4·Since Jurassic period, deposit built, structural fades, geochemistry characteristic of rocks ect. at Gahai Basin were all different from geosyncline period of Early Jurassic.
侏罗纪以来,尕海盆地在沉积建造、构造型相、岩石地球化学等方面都与前侏罗纪地槽期有异。
5·Geosyncline is always controlled by deep fractures.
地槽常受深断裂控制。