And Peter Barry is a geochemist and volcanologist at the Woods Hole Oceanographic Institution.

而彼得·巴里是伍兹·霍尔海洋研究所的地球化学家和火山学家。

Teresa Ubide, a geochemist at the University of Queensland in Australia.

特里萨·乌维德是澳大利亚昆士兰大学的地球化学家。

In 1975, geochemist Wallace Broecker introduced the term " climate change" in an article published by Science.

1975 年，地球化学家华莱士·布罗克在《科学》杂志发表了一篇文章，文章中提出了 “气候变化” 这一术语。

Peter Kelemen is a geochemist at Columbia University's Lamont-Doherty Earth Observatory.

Peter Kelemen 是哥伦比亚大学 Lamont-Doherty 地球观测站的地球化学家。

Carnegie Institution for Science geochemist Steven Shirey said of the blue diamonds.

卡内基科学研究所地球化学家 Steven Shirey 谈到蓝钻时说。

Geochemists at Columbia University found a lode of quartzite, a metamorphic rock formed from sandstone, on the Indian Ocean island of Anjouan.

哥伦比亚大学的地球化学家在印度洋昂儒昂岛上发现了一个石英岩矿脉，石英岩是由砂岩形成的变质岩。

Sure, yeah. So, I am a vulcanologist and geochemist and I love to work in volcanic systems and hot springs all around the world.

当然可以。我是位火山学家和地球化学家，我喜欢在世界各地的火山系统和温泉中工作。

By extracting oxygen, and carbon isotopes from the sediment and analyzing their chemical make-up, geochemists can deduce temperature, humidity, and even weather conditions from prehistoric world.

通过在沉积层里提取氧和碳的同位素，并且分析其化学构成，地化学家能够推测出温度、湿度、甚至是史前世界的气候条件。

So Peter, as the geochemist here, how do you think about what you study and the carbon at the surface and what could be done with it at depth?

彼得，作为这里的地球化学家，你是如何考虑你的研究内容的和地表的碳，以及在地球深层用碳能做些什么呢？

Kathleen R. Johnson, a paleoclimatologist and geochemist at the University of California, Irvine, says the key to that discovery were stalagmites collected in a cave in northern Laos.

加州大学欧文分校的古气候学家和地球化学家凯瑟琳·约翰逊说，这一发现的关键是在老挝北部的一个洞穴中收集的石笋。

Ask a pair of geochemists how something like this works, and they will start talking about isotopic abundances and ionization levels with an enthusiasm that is more endearing than fathomable.

要是你问两位地球化学家这工作是怎么进行的，他们会滔滔不绝地谈到丰富的同位素、离子化程度，等等，这些听上去很可爱，但不容易搞明白。

Listen as geochemist, Professor Rachael James, explains her idea to BBC World Service's, Discovery: For every tonne of rock that's mined, only a very tiny proportion, a couple of grams of that, is actually diamond.

地球化学家瑞秋·詹姆斯教授向BBC全球服务节目《探索》解释她的想法，我们来听一下：对于开采的每一吨岩石，实际上只有一小部分，也就只有几克是真正的钻石。