不同岩性火山岩的物性也有较大的差别，并以熔渣状玄武岩、杏仁状安山岩、火山角砾岩为好；
This investigation also finds that different lithology have different physical properties and the slaggy basalt, the amygdaline basalt and the volcanic breccia have the best physical properties.
镁铝榴石形成于滇东南晚第三纪岩简状的玄武质次火山角砾岩中，角砾岩成分复杂，其中包含有镁铝榴石和铬透辉石等可作宝石材料利用的角砾和晶屑。
The rubbles and crpetals of prrope and chrome-diopsidewhich can be used as gem materials are found in the breccias whose component is very complex.
银矿体受隐爆角砾岩筒内部构造及其边部构造控制，呈脉状斜列产出。
Silver orebody is controlled by internal and marginal structures of crypto-explosion breccia pipe, and occurs as veins in oblique lines.
但对于流纹状凝灰角砾岩，峰值应变随着温度的升高在降低。
However, for breccia, it seems that the peak strain decreases with temperature.
研究认为，在板块构造的敛合带上，斑岩铜矿发育地区，常见有角砾状地质体和角砾岩筒。
The research results show that the porphyry copper deposits are mostly associated with the breccia body and breccia pipe.
主要控矿条件为小岩株状石英闪长玢岩（次火山岩），其中寄生的隐爆角砾岩筒及外围裂隙中赋存着金矿体；
The main control condition is quartz diorite-porphyrite with the shape of small rock stub(subvolcanic rocks), among the parasitic rubblerack tube and the off-lying crack, the gold orebody occurs.
主要控矿条件为小岩株状石英闪长玢岩（次火山岩），其中寄生的隐爆角砾岩筒及外围裂隙中赋存着金矿体；
The main control condition is quartz diorite-porphyrite with the shape of small rock stub(subvolcanic rocks), among the parasitic rubblerack tube and the off-lying crack, the gold orebody occurs.
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