adakite

埃达克岩

词形变化

adakites 复数 adakites

释义与例句

n.
  1. 1.

    A kind of volcanic rock, of intermediate to felsic composition, with high strontium to yttrium ratio, and enriched in light rare earth elements compared with the heavy rare earths

    地质

词源

From Adak Island in Alaska, from "adaq" in Aleut language, meaning "father".

来源:wiktionary