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Possible Biosphere-Lithosphere Interactions Preserved in Igneous Zirconn and Implications for Hadean Earth

机译:锆石火成岩中可能存在的生物圈-岩石圈相互作用及其对哈代地球的影响

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摘要

Granitoids are silicic rocks that make up the majority of the continental crust, but different models arise for the origins of these rocks. One classification scheme defines different granitoid types on the basis of materials involved in the melting/crystallization process. In this end-member case, granitoids may be derived from melting of a preexisting igneous rock, while other granitoids, by contrast, are formed or influenced by melting of buried sedimentary material. In the latter case, assim
机译:花岗岩是硅质岩石,构成了整个大陆壳的大部分,但这些岩石的成因出现了不同的模型。一种分类方案根据熔化/结晶过程中涉及的材料定义了不同的类花岗岩。在这种端部构件的情况下,花岗岩可能源自先前存在的火成岩的熔融,而相反,其他花岗岩则是由埋藏的沉积物质的熔融形成或影响的。在后一种情况下,assim

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