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某矿区矿脈是沿矽化灰岩,扁豆灰岩,以及灰頁岩的裂隙节理和层面充填而成的规则板状矿脈,该矿区的所有矿脈基本上都是互相平行的。各矿脈的间距很不一致,由10～70多公尺。矿脈沿走向长度一般为100～400公尺,沿倾斜深度为200～300公尺。倾角一般都在75～80°之间。各号矿脈厚度也不一致,最厚为0.6～0.7公尺(局部地区达到1.0～1.5公尺),最薄仅达0.05～0.15公尺,一般
The veins of a mine are regular plate-like veins filled with fractured joints and layers of silicified limestone, lentil limestone, and shale, all of which are essentially parallel to each other. The distance between the veins is very inconsistent, from 10 to 70 meters. The length of the veins along the strike is generally 100 to 400 meters, along the inclined depth of 200 to 300 meters. Inclination are generally between 75 ~ 80 °. The thickness of each vein is also inconsistent, the maximum thickness of 0.6 to 0.7 meters (in some areas up to 1.0 to 1.5 meters), the thinnest of only 0.05 to 0.15 meters, the general