1) basalts
海槽玄武岩
1.
At the same time,the ages of basalts become older and older from south to north.
同时 ,海槽玄武岩年龄在空间上具有从南到北逐渐变新的演化规律。
2) trough
海槽
1.
Preliminary study of the boundary of Kaijiang - Liangping trough in northern Sichuan basin and its characteristics;
四川盆地北部开江-梁平海槽边界及特征初探
2.
There is obvious difference in reservoir characteristics on both sides of the Kaijiang-Liangping trough in the northeast Sichuan basin.
川东北地区开江—梁平海槽两侧的飞仙关组储层有着明显的差异。
3.
Based on the features of deposition,several sedimentary facies are recognized in Changxing Formation,including deep carbonate ramp,open platform,trough,shelf(platform) margin,and a sedimentary model was established for the Changxing Formation.
四川盆地北部地区晚二叠世长兴期沉积环境发生了明显分异,依据沉积特征可将其划分为碳酸盐深缓坡相、开阔台地相、海槽相、陆棚(台地)边缘相等单元,并以此建立了川北地区长兴期沉积模式。
3) ocean trough
海槽
1.
A discussion on Kaijiang-Liangping ocean trough;
关于开江-梁平海槽的认识
2.
In this paper we discuss spatial distribution of the sedimentary facies belts, and argues that the Kaijiang-Liangping ocean trough does not exist.
在详细研究分析各沉积体系的沉积特点的基础上,探讨了该期沉积相带的空间分布,提出了不存在“开江—梁平”海槽的认识。
3.
The oolite beach of the lower Triassic Feixianguan Formation in eastern Sichuan basin developed in themargin of carbonate platform, and platform margins are always related to ocean trough.
四川盆地东部下三叠统飞仙关组鲕滩主要发育在碳酸盐岩台缘带上,而台缘带与海槽密切相关,找到了海槽就意味着找到了鲕滩。
4) Okinawa Trough
冲绳海槽
1.
Computation of Thickness of Hydrate Stability Zone in Okinawa Trough;
冲绳海槽天然气水合物稳定带厚度的计算
2.
Development and distribution of natural gas hydrate in the Okinawa trough;
冲绳海槽天然气水合物的发育与分布
3.
The physico-chemical features and their geological implications of magma in the Okinawa Trough;
冲绳海槽岩浆物理化学性质及其地质意义
5) Guangwang trough
广旺海槽
6) the Xisha trough
西沙海槽
1.
Geochemical Anomalies and Their Implication from Site 14, the Xisha Trough, the South China Sea;
南海西沙海槽S14站位的地球化学异常特征及其意义
2.
Previous studies show that the temperature, pressure, topographical feature and geological condition in the Xisha trough are favorable for the formation and accumulation of gas hydrates.
西沙海槽具有适合天然气水合物形成和赋存的地形地貌及地质条件 ,是中国海洋天然气水合物资源勘查的远景区。
3.
In this paper,the Xisha trough of the South China Sea is taken as a known area for gas hydrate to occur because there exist a lot of indicators such as Bottom Simulating Reflectors(BSRs).
选择西沙海槽水合物潜在富集区作为已知区 ,利用陆上油气地球化学勘查方法 (酸解烃、热释烃、蚀变碳酸盐方法 )开展了试验性研究。
参考词条
补充资料：玄武岩
| 玄武岩 basalt 基性喷出岩的一种。成分相当于辉长岩。灰黑色。常具气孔状、杏仁状构造和斑状结构。斑晶为橄榄石、辉石、基性长石等；基质一般为细粒或隐晶质。按次要矿物的不同，可划分为橄榄玄武岩、紫苏辉石玄武岩等；按结构构造，可分为气孔状玄武岩、杏仁状玄武岩等；按化学成分和矿物成分，可分为高铝玄武岩、碱性玄武岩和拉斑玄武岩等。由于玄武岩浆粘度小，流动性大，喷溢地表易形成大规模熔岩流和熔岩被，但也有呈层状侵入体的，如岩床等。在高原地区常形成面积达数千至数十万平方千米的熔岩台地，有人称其为高原玄武岩，如印度的德干高原玄武岩。在海洋则构成海岭和火山岛。与之有关的矿产有铜、钴、硫黄、冰洲石、宝石等，其本身亦可作耐酸铸石原料。
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