1、

The lake was ponded by lavas a long time ago.

这条湖是很久以前熔岩堵塞河道形成的.

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2、

Pyroclastic rocks are a kind of transitional and complex rocks between lavas and sedimentary rocks.

摘要火山碎屑岩是介于溶岩和沈积岩之间的过渡类型岩石,岩类复杂.

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3、

Previously, researchers had found nearby pillow lavas , bulbouslava flows that form-under water.

以前, 研究人员在附近发现了形成于水下的枕状熔岩和球根状熔岩流.

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4、

The lake was possibly ponded by lavas.

这个湖可能是熔岩堵塞河道形成的.

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5、

The unusual primitive compositions of the West Mata eruption lavas have much to tell us.

西玛塔火山喷发熔岩的不同平常的原始组分告诉我们许多秘密.

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6、

Such lavas also once came from the volcanoes in the Cascade Range in Washington.

在华盛顿州的喀斯喀特山脉的火山也喷出过这样的熔岩.

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7、

The major, trace element and isotope geochemical characteristics of the basic lavas of the Kule Lake ophiolite indicate that the basic lavas have a N-MORB affinity, possibly suggesting a small ocean basin environment for them.

本文通过对蛇绿岩基性熔岩的主量、微量和同位素地球化学研究,结果表明库勒湖蛇绿岩具N-MORB特征,推测其形成于小洋盆环境。

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8、

The Late Jurassic-Early Cretaceous activity produced basaltic and basaltic andesitic lavas ( 146Ma, 137Ma), followed by gabbro intrusion ( 135Ma) and aplite dyke ( 129Ma).

侏罗纪末~早白垩世初的火山活动除有熔岩(146Ma,137Ma)喷出外,还发育有辉长岩侵入体(135Ma)和辉绿岩岩墙(129Ma)等次火山岩。

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9、

Platinum-group element ( PGE) data for global arc lavas are very scarce.

全球岛弧火山岩的铂族元素数据非常少。

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10、

The lavas mainly include basalt, dolerite, fumarolic, amygdaloidal andesite, trachy-andesite and as well as rhyolite.

火山熔岩类主要包括玄武岩、粗面玄武岩、气孔杏仁状安山岩、粗面安山岩、流纹岩等。

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