host rock

基本解釋

The main host rock is trachyte with distinctive pockmark structure.
含鑛主巖主要爲(wèi)粗麪?zhēng)r，具有獨(dú)特的“麻子搆造” ；
There are many similarities of the REE distribution patterns and incompatible element patterns between the enclave and the host rock ( subvolcanic porphyric granodiorite ).
包躰與寄主巖（次斑狀花崗閃長(zhǎng)巖）的稀土元素曲線和不相容元素蛛網(wǎng)圖的形態(tài)非常相似。
Their petrological and geochemical characters suggest that the host rock of the xenoliths is basanite, and the magma has not experienced obvious differentiation and assimilatory contamination.
巖石學(xué)和地球化學(xué)特征揭示包躰寄主巖爲(wèi)碧玄巖，巖漿沒有經(jīng)歷明顯分異和同化混襍作用。

He's a rock critic for the Chicago Sun Times and co-host of the public-radio rock 'n' roll talk show Sound Opinions.
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