series of rocks

The studies show that the rocks in Okinawa Trough is of a subalkaline rock series. The basic rocks belong to a transitional form between tholeiite series and calc alkalic series while most of the intermidiate rocks and acid rocks belong to calc alkalic series.

研究表明，冲绳海槽火山岩均属亚碱性系列，基性岩具有拉斑玄武岩系列和钙碱性系列的过渡性，中、酸性岩多属钙碱性系列；

The petrochemical type of the Caijialing volcanic rocks couldn't belong to the potassic basaltic rock series.

在化学成份上，蔡家岭组火山岩不属于钾玄岩系列。

These rocks are rich in alkali and potassium, and relatively depleted in MgO, TiO2, with enriched Sr-Nd-Pb compositions, belong to cal-alkaline to alkaline series, which having a characteristics of bimodal volcanism.

火山岩具有双峰式火山岩和玄粗岩岩系的特征，岩石富碱、富钾，相对贫MgO、TiO2，具有富集的Sr-Nd-Pb同位素组成。

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

该斑岩带斑岩属钙碱性系列、中 酸性岩 类.

Their original rocks are volcanic rocks, epicontinental clastic sedimentary rocks, and ophiolite of volcanic and island arc tholeiitic series or calcium alkali series.

其原岩岩石类型有火山岩，陆缘碎屑沉积岩，火山、岛弧拉斑系列或钙碱系列火山岩、蛇绿岩等。

Two series of carbonate rocks and argillaceous rocks with similar maturity are confected.

配制了两套成熟度相近的碳酸盐岩和泥质岩丰度系列样品.

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

该斑岩带斑岩属钙?A性 系列、中 酸性岩 类.

The basic rocks, which belong to alkali and tholeiitic magma series, enriched in LREE and LIL. The magmatic source of basic volcanic rocks was enrichment mantle being analogous to oceanic island basalts sources.

基性火山岩有磁性玄武岩与拉斑玄武岩两个岩浆系列，且富集LREE与LIL，其岩浆源区为与洋岛玄武岩源相似的富集地幔柱源。

Permo Carboniferous coal series have relative good coal gas potential, dark mudstones in Lower Jurassic, lower part of Middle Jurassic and Lower Cretaceous are the best source rocks.

区内石炭&二叠纪煤系具有良好的煤型气及一定的煤层气潜力，中、下侏罗统和下白垩统暗色泥岩类是最具生油潜力的烃源岩系。

The inner, outside contact zone between Himalayan ultra-epizonal syenite porphyry, Indosinian volcanic rocks of liparite porphyry-dacite series and strata is very advantageous to the metallogenesis.

大面积喜马拉雅期超浅成正长斑岩、印支期流纹斑岩英安岩系列火山岩类与地层的内、外接触带对成矿十分有利。