Characteristics and Mechanical Mechanism of In Situ Unloading Damage and Core Discing in Deep Rock Mass of Metal Mine

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Rock type</td><td class="align_center">Plagioclase</td><td class="align_center">Potassium feldspar</td><td class="align_center">Quartz (%)</td><td class="align_center">Biotite (%)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Linglong medium-grained monzogranite</td><td class="align_center">35–40%</td><td class="align_center">30–35%</td><td class="align_center">25</td><td class="align_center">10</td></tr><tr><td class="align_left">Guojialing granodiorite</td><td class="align_center">40%–46%</td><td class="align_center">20%–25%</td><td class="align_center">22</td><td class="align_center">5</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mineral composition of monzogranite and granodiorite.</div>

Shock and Vibration

tab2

Table 2

Table 2: Characteristics and Mechanical Mechanism of In Situ Unloading Damage and Core Discing in Deep Rock Mass of Metal Mine 