Proterozoic的例句大全

Before Later Proterozoic era , in this area more than two times of thermodynamic metamorphism took place.

在晚元古代以前该地区至少发生过两次热动力变质作用.

Wengquangou boron-iron deposit occurred within the rocks of Lieryu Formation in Liaohe Group, early Proterozoic.

翁泉沟硼铁矿床赋存于早元古宙辽河群里尔峪组.

Metamorphic basement of the jiangnan Proterozoic Paleo-island arc mainly consists of low-grade metamorphic volcanic sedimentary rocks.

江南元古宙古岛弧的基底变质岩主要由浅变质的岛弧火山—沉积岩系组成.

Wangjiawaizi gold deposit occurs in Lower Proterozoic opimetamorphic rock series.

王家崴子金矿床赋存于辽南古元古代浅变质岩系中.

The Middle Proterozoic granitoids was an intraplate type produced in transitional crystalline basement before plate collision.

中元古界的花岗岩类是板块碰撞前过渡性结晶基底上局部熔融花岗岩类.

The Proterozoic and Palaeozoic are two main metallogenic periods in the region.

西北地区以元古宙-古生代金属成矿为显著特色.

GLOBAL DISTRIBUTION OF THE PROTEROZOIC SPHAEROMORPH ACRITARCH Valeria lophostriata ( JANKAUSKAS )

元古代光球疑源类Valerialophostriata ( Jank. )的全球分布(英文 )

Massif-type anorthosite is the most common type of anorthosite and with distinct characteristics. Most massif-type anorthosite bodies are Proterozoic ranging from 2.1 Gato 0.9 Ga in formation ages, representing an important tectono-thermal event in the earth evolution.

其中，岩体型斜长岩仅赋存于前寒武纪变质地体中，形成时代主要为元古宙（2.1~0.9Ga），代表地球演化史上很重要的构造-热事件。

In recent years, Proterozoic and Archaeozoic buried hill reservoirs have been explored and developed in Liaohe Oilfield, but it is a problem to interpret these fracture-cavity reservoirs.

近年来，辽河油田元古界、太古界古潜山油气藏得到了比较好的勘探与开发，但对这些缝洞性储层的解释一直是一个难题。

The ore bed hosts in boracic granulite of Lieryu formation, Liaohe group of lower proterozoic.

矿层赋存于早元古界辽河群里尔峪组含硼变粒岩段。

The Proterozoic climate was still warm and wet, but compared with that of the Archaeozoic Eon, the temperature fell a little.

元古宙的气候仍是温暖而潮湿的，但较太古宙温度有所降低。

The former two types belong to the Proterozoic greenstone type gold deposit, and the latter three types belong to the Archeozoic greenstone type gold deposit.

前两种属于元古宙绿岩型金矿，后三种属于太古宙绿岩型金矿，目前，该区已发现70余处金矿床（点）。

They indicate that the Archeozoic tectonic environment is continental nucleus development and crustal block formation, and the Early Proterozoic tectonic environment is represented as rift.

分别代表了太古宙的陆核发展及地块形成和早元古宙的裂谷构造等大地构造环境。

Ankerite microclinite, a special type of rock, is closely related to the ore-forming process of massive sulfide deposits in the East Liaoning Proterozoic rift.

铁白云石微斜长石岩作为一种特殊岩石类型，在辽东元古宙裂谷块状硫化物矿床中与成矿关系密切。

Three tectonic characteristics in connection with gold metallogenesis in China are given in the present paper: the stratigraphic era ( the Proterozoic) of the first metallogenetic culmination for lode gold in China is later than that ( the Late Archaeozoic) of the world as a whole;

指出中国金成矿的三个大地构造特征：中国第一个岩金成矿高潮的地层时代（古元古代）晚于全球第一个岩金成矿高潮的地层时代（新太古代）；

The early Proterozoic atmosphere and hydrosphere are similar to those of Archaeozoic in being still absent in oxygen. This is a very large circular collection of stars and gas that surrounds our Milky Way galaxy.

早元古代的大气圈、水圈与晚太古代相似，仍为缺氧性质。这是一个围绕银河系的恒星及大气圈群体。

In the end, the relation between the metallogenesis and the evolution of Archaeozoic and early Proterozoic earth crust is discussed basing upon the theory of rift.

最后采用裂谷理论讨论了成矿作用与太古代和早元古代地壳演化的关系。

Tectonic and geochemical development of Archaean and Proterozoic mobile belts in eastern China

中国东部太古和元古活动带的构造和地球化学的发展

PTt Path and Crustal Thermodynamic Model of Late Archaean Early Proterozoic High grade Metamorphic Terrain in North China

华北晚太古代－早元古代高级变质区的变质PTt轨迹及其地壳热动力学演化模式

The early Precambrian in Jilin province includes the Archaeozoic granite-greenstone belt, early Proterozoic Ji'an Group and mid Proterozoic Laoling Group.

吉林省早前寒武纪地质包括太古宙花岗&绿岩带、早元古代集安群和中元古代老岭群。