Applications of Vitrinite Anisotropy in the Tectonics: A Case Study of Huaibei Coalfield, Southern North China

<table>Diagram of three sections cut from oriented blocks. Arrowhead on the top surface of the block shows the spatial orientation. Surfaces marked with <svg height="12.775" id="M13" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 22.6875 12.775" width="22.6875" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,12.775)">
<g transform="translate(72,-61.78)">
<text transform="matrix(1,0,0,-1,-71.95,62)">
<tspan style="font-size: 12.50px; " x="0" y="0">a</tspan>
<tspan style="font-size: 12.50px; " x="5.551332" y="0">/</tspan>
<tspan style="font-size: 12.50px; " x="9.0271664" y="0">a</tspan>
</text>
<text transform="matrix(1,0,0,-1,-57.37,67.01)">
<tspan style="font-size: 8.75px; " x="0" y="0"></tspan>
</text>
</g>
</g>
</svg>, <svg height="13.1" id="M14" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 24.4375 13.1" width="24.4375" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,13.1)">
<g transform="translate(72,-61.52)">
<text transform="matrix(1,0,0,-1,-71.95,61.75)">
<tspan style="font-size: 12.50px; " x="0" y="0">b</tspan>
<tspan style="font-size: 12.50px; " x="6.2515001" y="0">/</tspan>
<tspan style="font-size: 12.50px; " x="9.727334" y="0">b</tspan>
</text>
<text transform="matrix(1,0,0,-1,-55.97,67.01)">
<tspan style="font-size: 8.75px; " x="0" y="0"></tspan>
</text>
</g>
</g>
</svg>, <svg height="12.775" id="M15" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 22.6875 12.775" width="22.6875" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,12.775)">
<g transform="translate(72,-61.78)">
<text transform="matrix(1,0,0,-1,-71.95,62)">
<tspan style="font-size: 12.50px; " x="0" y="0">c</tspan>
<tspan style="font-size: 12.50px; " x="5.551332" y="0">/</tspan>
<tspan style="font-size: 12.50px; " x="9.0271664" y="0">c</tspan>
</text>
<text transform="matrix(1,0,0,-1,-57.37,67.01)">
<tspan style="font-size: 8.75px; " x="0" y="0"></tspan>
</text>
</g>
</g>
</svg> were mutually perpendicular with the surfaces <svg height="7.4749999" id="M16" style="vertical-align:-0.12538pt" version="1.1" viewbox="0 0 7.0625 7.4749999" width="7.0625" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,7.475)">
<g transform="translate(72,-66.02)">
<text transform="matrix(1,0,0,-1,-71.95,66.2)">
<tspan style="font-size: 12.50px; " x="0" y="0">a</tspan>
</text>
</g>
</g>
</svg> and <svg height="12.7125" id="M17" style="vertical-align:-0.12538pt" version="1.1" viewbox="0 0 11.4 12.7125" width="11.4" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,12.7125)">
<g transform="translate(72,-61.83)">
<text transform="matrix(1,0,0,-1,-71.95,62)">
<tspan style="font-size: 12.50px; " x="0" y="0">a</tspan>
</text>
<text transform="matrix(1,0,0,-1,-66.4,67.01)">
<tspan style="font-size: 8.75px; " x="0" y="0"></tspan>
</text>
</g>
</g>
</svg> horizontal and <svg height="7.4749999" id="M18" style="vertical-align:-0.12538pt" version="1.1" viewbox="0 0 7.0625 7.4749999" width="7.0625" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,7.475)">
<g transform="translate(72,-66.02)">
<text transform="matrix(1,0,0,-1,-71.95,66.2)">
<tspan style="font-size: 12.50px; " x="0" y="0">c</tspan>
</text>
</g>
</g>
</svg> and <svg height="12.7125" id="M19" style="vertical-align:-0.12538pt" version="1.1" viewbox="0 0 11.4 12.7125" width="11.4" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,12.7125)">
<g transform="translate(72,-61.83)">
<text transform="matrix(1,0,0,-1,-71.95,62)">
<tspan style="font-size: 12.50px; " x="0" y="0">c</tspan>
</text>
<text transform="matrix(1,0,0,-1,-66.4,67.01)">
<tspan style="font-size: 8.75px; " x="0" y="0"></tspan>
</text>
</g>
</g>
</svg> vertical and parallel to the arrowhead.</table>

Journal of Geological Research

fig2

Figure 2

Figure 2: Applications of Vitrinite Anisotropy in the Tectonics: A Case Study of Huaibei Coalfield, Southern North China 