Igneous intrusions such as batholiths, laccoliths, dikes, and sills, push upwards into the overlying rock, and crystallize as they intrude.
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2. 片麻状花岗岩岩性相对单调，它以岩席楔入式侵入太华群围岩，是岩浆型而非混合型花岗岩。
The gneissic granite intruded the country rock of Taihua Group as sheet is not mixed granite but magmatic granite, its lithology is simple relatively.
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3. 由北向南分为前缘挤压滑脱构造带、斜歪倒转褶皱—逆冲断层带和逆冲推覆岩席及叠瓦状逆冲断层带。
From north to south, several tectonic belts can be distinguished: front compressive detachment belt, overturned thrusting belt, sheeted thrusting belt and imbricate thrusting belt.
Although it is difficult to get numerical solution up to date, the sheet strain and the characters of the structural strain can be illustrated by graphic solutions.
The oceanic island basalt is represented by the Nonghuai pillow lava, which is, originally Hawaii type one in the Paleotethyan ocean, an allochthon in the Indosinian foreland fold and thrust belt.
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6. 永珠席状岩墙群规模之大、结构之完整在国内尚属罕见。
Its large scale and complete structure preserved are rarely seen in China.
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7. 四川盆地邻近膏盐层上下的大量薄层席状分布的孔隙型白云岩储层为潜在的勘探目的层；
Potential targets exist in the thin and sheet-like porous dolostones near gypsum, particularly in the Triassic Leikoupo and Jialingjiang formations.
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8. 四川盆地邻近膏盐层上下的大量薄层席状分布的孔隙型白云岩储层为潜在的勘探目的层；
Potential targets exist in the thin and sheet-like porous dolostones near gypsum, particularly in the Triassic Leikoupo and Jialingjiang formations.
