基于磁力资料的珠江口盆地构造单元分布特征
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夏玲燕, 林畅松, 李筱, 胡悦
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Distribution characteristics of tectonic units in Pearl River Mouth basin based on magnetic data
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Ling-Yan XIA, Chang-Song LIN, Xiao LI, Yue HU
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表1 珠江口盆地钻遇变质岩及岩浆岩基底深度与磁性体计算深度对比
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Table 1 Compasion of metamorphosed basement rock and magmatite depth revealed by drilling and calculation of Pearl River Mouth Basin
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钻井编号 | 基岩性质 | 钻遇深度/m | 计算深度/m | 误差/m | 误差/% | HF28-2-1 | 闪长岩 | 3942 | 3800 | -142 | -3.6% | HF33-3-1 | 闪长玢岩 | 3278 | 3100 | -178 | -5.4% | LF22-1-1 | 花岗岩 | 1725 | 1700 | -25 | -1.4% | LF35-1-1 | 花岗闪长岩 | 2475 | 2900 | 425 | 17.1% | LH4-1-1 | 安山岩 | 1977 | 2200 | 223 | 11.2% | LH29-1-1 | 花岗岩 | 3245 | 3100 | -145 | -4.4% | PY16-1-2 | 火山碎屑岩 | 2479 | 2300 | -179 | -7.2% | BY6-1-1 | 凝灰岩 | 5166 | 5000 | -166 | -3.2% | YJ26-1-1 | 花岗斑岩 | 1703 | 1600 | -103 | -6.0% | ZHU7 | 花岗岩 | 3664 | 3800 | 136 | 3.7% | PY4-1-1 | 花岗岩 | 3139 | 3400 | 261 | 8.3% | ZHU1 | 花岗岩 | 1728 | 1700 | -28 | -1.6% | HZ10-1-1 | 花岗岩 | 2591 | 2400 | -191 | -7.3% | EP18-1-1 | 花岗岩 | 3426 | 3300 | -126 | -3.6% | BY7-1-1 | 玄武岩 | 2432 | 2600 | 168 | 6.9% | LF25-1-1 | 凝灰岩 | 2320 | 2000 | -320 | -13.8% | WC15-1-1 | 变质岩 | 1426 | 1400 | -26 | -1.8% |
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