Most of the petrified wood found in the park is made up of quartz.

公园里发现的大部分化木都是用英组成的。

Silica, the mineral that makes up sand and quartz, also has lots of different polymorphs.

组成砂砾和英的二氧化硅也有许多同的多体。

One section of its walls of grey Delhi quartzite had collapsed.

其中一段灰色的德里英岩墙已经倒塌。

The arrangement of silicon and oxygen in quartz is very regular and rigid.

硅和氧在英体中的排列是非常严格且有规律的。

Shocked-quarts is a form of quartz that has a very different structure.

冲击英是英的一种形式，有很一样的结构。

Under incredible pressure, the crystals within the quarts are deformed and actually fractured.

在极高压下，英的内部结变现破裂。

For example, we have Quartz Crystal clocks and watches accurate to within one minute a year.

例，使用的每年误差超过1分钟的英水钟表和手表。

In fact the silica in sand is basically just tiny bits of quartz.

实际上沙子里的硅砂本质上就是细碎的英。

This paper is a bit like a beautiful handmade automatic timepiece in the era of quartz watches.

这篇论文有点像是英表时代里的一块精美的手工制作机械表。

At the temperatures and pressures humans find comfortable, silica makes the alpha, or so-called “low”, form of quartz.

在人类适宜的温压条件下，二氧化硅形成α-英，或者所说的低温英。

The form of the silica that makes sand, is exactly the same as the form that comprises quartz.

沙子形态的二氧化硅和组成英的二氧化硅其实是一样的。

The researchers also studied damage to the structure in ancient small pieces of quartz to produce an age estimate.

研究人员还研究了古代小块英结构的损坏以预估年代。

The nation’s largest silica sand provider — U.S. Silica — projects a 15 percent drop in demand.

美国最大的英砂生产商美国英砂公司预计需求将下跌15%。

But unlike quartz, it doesn't have a crystal structure.

但同英同的是，它并具备体结构。

Of course, not all beaches are purely quartz sand, and not all quartz sand ends up on beaches.

当然，并是所有的海滩都是纯粹的英砂，也是所有的英砂最终都会出现在海滩上。

The sand many of us are used to is tiny pieces of quartz that've been broken down from bigger rocks.

许多人习惯的沙子是从更大的岩上分解下来的小块英。

White sand beaches are also mostly made of quartz, but the sand heads hasn't been tinted by iron oxide for feldspar.

白色的沙滩也大多是用英构成的，但长并没有被氧化铁染色。

You see a divide there between the rock and quartz, then right up there you can see the top of it.

你能看见岩和英的分界线，就在上面你能看见它的顶端。

I've got some coral, some more quartz and stuff up there.

在上面有一些珊瑚，一些英之类的东西。

I love, the knobs being just like, I guess their quartz maybe.

喜欢，旋钮就像，想他的英可能。