the distal zone is characterized by pyroclastic flow deposits.
远极地带的特点是有屑沉积物。
the distal zone is characterized by pyroclastic flow deposits.
远极地带的特点是有屑沉积物。
The strata strike NE,and its rock association are consisted of pyroclastic sedimentary rock,micrite and pyroclastic rocks,and containts brachiopoda,coral,bryozoan.
时代属于中泥盆世早期,大相当于菲尔阶-吉维特阶,应归属为大民山组。
The transitional zone is characterized by interbedding of pyroclastic and sedimentary rocks,and a little volcanic lava rocks was also found in the strata.
过渡区性以山屑与沉积互层为特征,夹少量山熔;
The ore-bearing beds have a bimodal rock association and exhibit assembly characteristics of pyroclastic rock, orebody and exhalite.
含系为双峰石组合,具有山屑--喷气“三位一”特徵。
, volcanic lava and pyroclastic rocks, of which the lithophysa rhyolite, pellets rhyolite and ignimbrite are favorable reservoirs.Lithofacies can be divided into 5 facies and 16 subfacies.
研究表明:该区山划分为山熔和山屑两大类,其中石泡流纹、球粒流纹及熔结凝灰为有利储层。
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