trachyte

基本解釋

The breccia includes serpentite, gabbro, basaltic trachyandesite, trachyte, and silicalite.
火山角礫巖的角礫由蛇紋石化橄欖巖（蛇紋巖）、輝長巖、玄武質(zhì)粗面安山巖、粗面巖和硅質(zhì)巖組成。
While the trace elements content in the trachyte can be up to over 200 times richer than that.
粗面巖屬于堿性系列，痕量元素豐度普遍較高，可以達(dá)到原始地幔豐度的200倍以上。
The volcanic rocks of the Lower Es3 in Oulituozi region are mainly volcaniclastic rock,basalt and trachyte.
歐利坨子地區(qū)沙三下亞段火山巖類型以火山碎屑巖為主,次為玄武巖及粗面巖。
Trachyte reservoir of Liaohe Oilfield are fairly developed,but its homogeneity is poor,thus adding difficulties to the evaluation.
遼河油田粗面巖油氣藏比較發(fā)育,但儲集層的均質(zhì)性較差,增加了對其評價的難度。
With the Erhai fault zone as a boundary, they are mainly basic and ultrabasic rocks in the east side, trachyte in the west side.
以洱海斷裂帶為界 ,東側(cè)主要為基性、超基性巖 ,西側(cè)主要為粗面巖。