n.砂岩砂碎屑岩...

They mainly consist of sandstone, in which quartz arenite and litharenite and arkose is lack.碎屑岩以砂岩类为主, 其中又以石英砂岩类和岩屑砂岩类为主,缺少长石砂岩类....

arenite的音标：arenite的英式发音音标为：[əre'naɪt]arenite的美式发音音标为：[əre'naɪt]...