Kids are frequently taught that seven continents exist: Africa, Asia, Antarctica, Australia, Europe, North America, and South America.
孩子们经常被教导世界存在7大洲:非洲、亚洲、南极洲、大洋洲、欧洲、北美洲和南美洲。
Geologists1, who look at the rocks (and tend to ignore the humans), group Europe and Asia into a supercontinent — Eurasia — making for a total of six geologic2 continents.
地质学家们通过观察岩石(往往忽略了人类),将欧洲和亚洲统称为“欧亚大陆”,这样一来全球存在的地质板块一共就有6个了。
But according to a new study of Earth's crust, there's a seventh geologic continent called "Zealandia," and it has been hiding under our figurative noses for millennia3.
但是根据对地壳的一项最新研究显示,地球上存在着第七个地质板块,名叫“西兰蒂亚”,几千年来它一直就藏在我们眼皮子底下。
The 11 researchers behind the study say that New Zealand and New Caledonia aren't merely island chains. Instead, they're both part of a single, 4.9 million-square-kilometer (1.89 million-square-mile) slab4 of continental5 crust that's distinct from Australia.
据参与该项研究的11名研究人员表示,新西兰和新喀里多尼亚不仅仅只是岛屿链。它们是一个和大洋洲分离的、面积达490万平方公里(约合189万平方英里)的大陆板块的一部分。
"This is not a sudden discovery, but a gradual realization6; as recently as 10 years ago we would not have had the accumulated data or confidence in interpretation7 to write this paper," the researchers wrote in GSA Today, a journal of the Geological Society of America.
研究人员们在美国地质协会杂志《GSA Today》上写道:“这并不是一个突然的发现,而是一个渐进的过程。10年前我们没有积累到这么多数据,所以没有信心写这篇论文。”
Ten of the researchers work for institutions within the new continent; one works for a university in Australia.
在全部研究人员中,有10个人在这块新大陆内的机构工作,另外一人则在澳大利亚某大学任职。
But other geologists are almost certain to accept the team's continent-sized conclusions, says Bruce Luyendyk, a geophysicist at the University of California at Santa Barbara, who wasn't involved in the study.
但是据加州大学圣芭芭拉分校的地球物理学家布鲁斯·陆元迪克(他并没有参与这项研究)表示,其他地质学家几乎肯定会接受该结论。
"These people here are A-list earth scientists," Luyendyk told Business Insider. "I think they've put together a solid collection of evidence that's really thorough. I don't see that there's going to be a lot of pushback, except maybe around the edges."
布鲁斯向《Business Insider》透露:“参与这项研究的人都是一流的地球科学家。我认为他们确实收集了大量的证据。我不认为这项结论会受到太大的阻力,除了板块的边界可能有点问题。”
1 geologists [dʒɪˈɔlədʒɪsts] 第10级 | |
地质学家,地质学者( geologist的名词复数 ) | |
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2 geologic [dʒiəˈlɔdʒik] 第12级 | |
adj.地质的 | |
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3 millennia [mi'leniə] 第9级 | |
n.一千年,千禧年 | |
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4 slab [slæb] 第9级 | |
n.平板,厚的切片;vt.切成厚板,以平板盖上 | |
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5 continental [ˌkɒntɪˈnentl] 第8级 | |
adj.大陆的,大陆性的,欧洲大陆的 | |
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6 realization [ˌri:əlaɪˈzeɪʃn] 第7级 | |
n.实现;认识到,深刻了解 | |
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7 interpretation [ɪnˌtɜ:prɪˈteɪʃn] 第7级 | |
n.解释,说明,描述;艺术处理 | |
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