Basaltic, andesitic, and rhyolitic all refer to what?

玄武岩、安山岩和流纹岩都说的是什么？

Just offshore rise the basalt sea stacks of Reynisdrangar.

近海处有玄武风琴岩 (Reynisdrangar) 的 玄武岩海蚀柱。

The lava on Hawaii is made of basalt, which once cooled, is highly fertile.

夏威夷的岩浆由玄武岩组成， 该岩一旦冷却，会非常肥沃。

For this reason, we recommend only top quality Keweenawan basalt obtained from the upper midwest.

因此，我们只推荐上中西部获得的高质量的基韦诺玄武岩。

There's also sand on Mars, made of eroded basaltic rock, so it's grey.

火星上也有沙子，由被侵蚀的玄武岩组成，所以是灰色的。

These are giant basalt columns behind me.

我身后是巨大的玄武岩石柱。

They're formed from eroding lava and basalt rocks that come from volcanic eruptions.

它们是由火山喷发侵蚀的熔岩和玄武岩形成的。

Today the Giant's Causeway contains about 40, 000 basalt columns.

如今的巨人之路约竖着4根玄武岩石柱。

It took us two hours to reach the summit of this half-crystal, half-basalt peak.

我们费了两个钟头，才到达这座云斑岩、玄武岩掺杂的尖峰上面。

The proportion of empty space in a rock is known as its porosity.

因此，不管沉积物是疏松还是坚固，它们中一定有空间。大部分结晶体岩石都非常坚硬，但也有例外，最常见的就是玄武岩，它是一种固化的火山熔岩，经常充满了微小，而变得十分多孔。

The skipper's definitely worth his " basalt" .

这位打漂者绝对配得上他的“玄武岩”。

That's why Mercury, Venus, Mars, and even Jupiter's volcanic moon have plenty of basalt but little granite.

这就是为什么水星、金星、火星，甚至木星的火山卫星都有大量的玄武岩，却很少有花岗岩。

Basalt is the most common type of lava rock found on Venus and throughout the inner Solar System.

玄武岩在金星上普遍存在以及所有其他近日行星上。

He and his colleagues modeled what might happen if you smashed up a 15-mile-wide asteroid, made of basalt.

他和同事模拟了撞毁一颗15英里宽的玄武岩小行星的情况。

When we're putting the basalt down on agricultural land, we typically apply it at about 20 tons per hectare.

当我们把玄武岩粉末用在农业用地上时，我们通常每公顷会施用20吨左右。

And we realized right away that we had basaltic rocks like one might see in Hawaii.

我们立即意识到这块玄武岩就像夏威夷可能会看到的。

The NASA geologist were intrigued to find not only basalts but rocks of another sort.

美国航天局的地质家私下希望看到的不仅仅是玄武岩，而是另外一种石头。

Molten basalt is runnier than recycled magma and spreads out into broad " shield" volcanoes like Mars's Olympus Mons.

熔融的玄武岩比再循环的岩浆更流动，并向广阔的“盾状”火山扩散，就像火星的奥林匹斯山一样。

The maria are made of darker, basaltic material, which means they probably formed from lava flooding older areas.

海是由更暗的玄武岩物质构成的，这意味着它们可能是由淹没在更古老的地区之上熔岩形成的。

Typically, basaltic lava flows are glassy enough that in fact you would cut your hand. They can be extremely sharp.

特别的，这些玄武岩浆流玻璃状的可以锋利到切掉你的手。