A Fast Interpretation Method for Inverse Modeling of Residual Gravity Anomalies Caused by Simple Geometry

<table>Noisy composite gravity anomaly consisting of the combined effects of an intermediate structure (horizontal cylinder with <svg height="11.1" id="M85" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 54.162498 11.1" width="54.162498" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.1)">
<g transform="translate(72,-63.12)">
<text transform="matrix(1,0,0,-1,-71.95,63.35)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐴</tspan>
<tspan style="font-size: 12.50px; " x="12.427982" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="24.46837" y="0">7</tspan>
<tspan style="font-size: 12.50px; " x="30.719872" y="0">5</tspan>
<tspan style="font-size: 12.50px; " x="36.971371" y="0">0</tspan>
</text>
</g>
</g>
</svg> mGal * unit and <svg height="11.1" id="M86" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 35.125 11.1" width="35.125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.1)">
<g transform="translate(72,-63.12)">
<text transform="matrix(1,0,0,-1,-71.95,63.35)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑧</tspan>
<tspan style="font-size: 12.50px; " x="9.7023277" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="21.742718" y="0">5</tspan>
</text>
</g>
</g>
</svg> units) [anomaly 1] and interference from neighboring structure (semiinfinite vertical cylinder with <svg height="10.9125" id="M87" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 54.162498 10.9125" width="54.162498" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.9125)">
<g transform="translate(72,-63.27)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐴</tspan>
<tspan style="font-size: 12.50px; " x="12.427982" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="24.46837" y="0">3</tspan>
<tspan style="font-size: 12.50px; " x="30.719872" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="36.971371" y="0">0</tspan>
</text>
</g>
</g>
</svg> mGal and <svg height="11.0375" id="M88" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 35.125 11.0375" width="35.125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.0375)">
<g transform="translate(72,-63.17)">
<text transform="matrix(1,0,0,-1,-71.95,63.4)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑧</tspan>
<tspan style="font-size: 12.50px; " x="9.7023277" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="21.742718" y="0">6</tspan>
</text>
</g>
</g>
</svg> units) [anomaly 2].</table>

Journal of Geological Research

fig3

Figure 3

Figure 3: A Fast Interpretation Method for Inverse Modeling of Residual Gravity Anomalies Caused by Simple Geometry 