oolite

简明释义

英[ˈəʊəlaɪt]美[ˈoəˌlaɪt]

n. 鲕粒岩；鱼卵石

英英释义

单词用法

同义词

反义词

例句

1.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。

2.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。

3.Oolite beach carbonate reservoir of Feixianguan Formation in Luojiazhai, NW Sichuan Basin is a platform edge facies sediment with massive thickness and uniform distribution.

川东北地区罗家寨飞仙关组鲕滩储集层为碳酸盐岩台地边缘相沉积，具有厚度大、分布稳定的特点。

4.Oolite lime of Cambrian Zhangxia group emerged widely in Loucun area north beyond the fault and oolite deformation is widely developed.

断裂带北侧楼村地区广泛出露寒武系张夏组鲕粒灰岩，鲕粒变形普遍发育。

5.But no organic reefs were developed in the Upper Permian and the Feixianguan Formation is lack of oolite.

但在海槽相区上二叠统不发育生物礁，飞仙关组缺乏鲕粒岩。

6.The thin-beded siliceous -rocks include chert and depositional quartz with textures of oolite and pebble.

矽质岩包括燧石和沈积石英岩，呈薄层状产出，沈积石英岩具鲕状、砾状结构。

7.A small rounded accretionary mass, usually of calcium carbonate, larger and less regular than an oolite.

豆岩一种小的圆形沉积岩，常为碳酸钙，比鲕状岩大且不规则。

8.Oolite lime sand packs naturally with 40 % porosity because the particles are essentially spheroides.

自然堆积的灰质鲕粒砂具有40%的孔隙度，因为其颗粒其本上都是球状的。

9.Oolite lime sand packs naturally with 40% porosity because the particles are essentially spheroides.

自然堆积的灰质鲕粒砂具有40％的孔隙度，因为其颗粒其本上都是球状的。

10.The types of reservoir rocks mainly are oolite dolomite and dissolved porous oolite limestone.

其储集岩类型主要为鲕粒云岩和溶孔鲕粒灰岩两大类。

11.The rock formation is primarily composed of oolite, which is a sedimentary rock made of small spherical grains.

这块岩层主要由鱼卵石组成，鱼卵石是一种由小球形颗粒构成的沉积岩。

12.In the coastal areas, you can often find oolite deposits that indicate past marine environments.

在沿海地区，你常常可以找到鱼卵石沉积，这表明过去的海洋环境。

13.Geologists study oolite to understand the conditions under which these sediments were formed.

地质学家研究鱼卵石以了解这些沉积形成的条件。

14.The presence of oolite in the limestone suggests that it was formed in shallow, warm waters.

石灰岩中存在的鱼卵石表明它是在浅水温暖的环境中形成的。

15.Some types of fish are known to spawn in areas rich in oolite because of the protective environment it provides.

一些鱼类已知会在富含鱼卵石的区域产卵，因为这里提供了保护性的环境。

作文

Oolites are fascinating geological formations that provide insight into the processes of sedimentation and the ancient environments of our planet. These small, spherical grains, typically composed of calcium carbonate, are formed in warm, shallow marine waters where conditions allow for the precipitation of minerals around a nucleus, usually a tiny particle like a shell fragment or a grain of sand. The term oolite (鱼卵石) is derived from the Greek word 'ooid,' which means 'egg,' reflecting the rounded shape of these grains. Understanding oolites can help us decipher the history of Earth's oceans and the life forms that inhabited them. The formation of oolite (鱼卵石) occurs in specific environments, typically in tropical regions where water temperatures are warm and circulation is good. As water moves over the seabed, it can pick up dissolved minerals, which precipitate out as the water becomes supersaturated. Over time, layers of these minerals build up around a nucleus, creating the characteristic layered structure of oolite (鱼卵石). This process can take thousands to millions of years, resulting in significant deposits that are often found in limestone formations. Geologists study oolite (鱼卵石) deposits to gain insights into past environmental conditions. The presence of these grains can indicate a shallow, warm marine environment, which was likely conducive to diverse marine life. For example, large deposits of oolite (鱼卵石) are often associated with ancient coral reefs, suggesting that these areas were once vibrant ecosystems teeming with life. By analyzing the composition and distribution of oolite (鱼卵石), scientists can reconstruct ancient coastlines and understand how sea levels have changed over geological time. In addition to their geological significance, oolites (鱼卵石) also have practical applications. They are used in various industries, including construction and agriculture. Oolitic limestone, for example, is a popular building material due to its durability and aesthetic appeal. Furthermore, oolite (鱼卵石) can enhance soil quality in agricultural settings, providing essential minerals that promote plant growth. As we continue to explore and understand the significance of oolite (鱼卵石), we gain a deeper appreciation for the intricate processes that shape our planet. These tiny grains serve as a reminder of the dynamic nature of Earth's environments and the constant changes that occur over millions of years. Through the study of oolite (鱼卵石), we not only learn about the past but also gain valuable insights into the future of our planet's ecosystems. In conclusion, oolites (鱼卵石) are more than just geological curiosities; they are key to understanding the history of life on Earth and the ongoing processes that continue to shape our world.