酸性岩类

该斑岩带斑岩属钙碱性系列、中酸性岩类。

Porphyry rocks in this belt are intermediate-acid rocks of calc-alkaline series .

我国东部与铁、铜矿床有关的中&酸性岩类成矿专属性的统计分析

Statistical analysis of the metallogenetic specialization of acidic-intermediate igneous rocks related to iron and copper deposits , Eastern China

岩石的放射作用热产率以酸性岩类最高，超基性岩类最低。

The heat production in rocks due to radioactivity is highest in the acid rocks and lowest in the ultra-basic rocks .

火山岩层中以溢流相的中基性火山岩为主，局部地段比较发育以酸性岩类为主的次火山岩，中基性火山岩的岩石化学类型属于拉斑玄武岩钠质类型。

Intermediate basic volcanics of overflow facies mainly occurs in volcanic strata , acid rocks dominated sub volcanic rocks is locally developed .

铜多金属矿床与中酸性岩类有成因联系，银多金属矿床与酸性岩类关系更密切。

The copper polymetallic deposits are genetically related to intermediate-acidic rocks , and the silver polymetallic deposits are more closely related to acidic rocks .

基于实验岩石学成果，论述了无负Eu异常的中酸性火成岩类（正长岩、二长岩、石英闪长岩类）形成于加厚陆壳底部（或山根带）。

Based on the data from experimental petrology , the acid-intermediate igneous rocks ( synitic , monzonitic , QY-dioritic ) without negative Eu-anomaly seem to have formed at the base of thickened crust or in the mountain root zone .

区内地层揭露显示，该区为酸性花岗岩和碱性岩类结合地区，与个旧东区相似，有较好的成矿条件。

The geological strata exposed combine with the acidic granites and alkaline rocks . So , the mineralization is in good condition , because the strata similar to the Gejiu Eastern .