nw acid 中文意思是什麼
nw acid
解釋
尼文酸-
The results indicate : ( 1 ) the distribution of magmatic rocks shows the feature that in the middle and western part of the study area basic igneous rocks dominate, and in the middle - eastern part intermediate rocks are predominant, while in the southeastern part acid ones are developed. ( 2 ) in the area west to the shiwandashan basin, intermediate magmatites were controlled by deep ne - striking and nw - striking faults, especially at the conjunction site of these two group faults, magmatic activity was strong ; and its tectonic background can be attributed to extensional continental rift
其中，在十萬大山盆地以西地區的偏基性巖漿活動受北東和北西向深斷裂控制明顯，尤其以此兩組斷裂交匯處的巖漿活動強烈，盆地構造背景屬大陸伸展裂谷環境；在十萬大山盆地以東地區為偏酸性巖漿活動，主要受東吳運動形成的欽防造山帶的控制，屬大陸邊緣造山帶或島弧造山帶環境。
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