OBJECTIVE FORESTRY

Detailed explanation-1: -Seven types of rocks commonly found in the mountains are gneiss, gabbro, labradorite, diorite, rhyolite, granite, and chert. These rocks contain common minerals such as hornblende, quartz, biotite, calcite, pyroxene, epidote, and apatite.

Detailed explanation-2: -In general, igneous rocks and metamorphic rocks form most abundantly at divergent and convergent plate boundaries. Sedimentary rocks can form anywhere on the Earth’s surface, but the thickest accumulations are associated with convergent plate boundaries, where volcanoes and mountain ranges form.