《科学》[Science]13年6月14日出版pdf全文

nero1981

. L+ x  r4 k( E7 ^4 _( e' b1 n0 LCOVER Polished thin section (70 micrometers) of volcanic glass, sample
+ d8 n9 D. s& H4 N. @$ O# o8 o- ]. A9 h2 Acatalog number NMNH115296-3, in transmitted light (14 by 18 millimeters). Molten
  S' U" }, c+ w6 glava erupted onto the sea floor freezes to glass and minerals that contain clues
/ A3 @* A# v  O; a8 Q$ M) Nto the lava's ancient past and origin in Earth's deep interior. Volcanic glasses & a6 A2 B! ]  q. H' z: g( y$ R
such as this one may reveal a link between Earth's oxidation state and the deep
: [% \7 U" Z1 T8 icarbon cycle. See page 1314.
+ q! x5 _9 C: l8 D# f9 Q8 u! KImage: G. Macpherson, T. Gooding, and E. Cottrell 4 q6 |7 s* z0 K  z* G- O  ]. w: ]

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zorro

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yuheng

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jimking121

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