Observation on the surface weathered cracks collectively abrasive process.
We observed below by iron oxide stain, on the surface there are cracks, North-west direction down east men
tectonic activity when it makes folded sedimentary rocks, stones above eroded and moved to the bottom of
the granite intrusive to make a strong differentiation terrain created around the valley between huge mountains. As the mountain valley of accumulation: sediment, organic matter accumulates at the bottom to create coal sedimentary basins.
Mine: Granite was formed after orogenic, unaltered strong as basalt, which is mainly being tilt. Subclass observed tilt 75 degrees -> created by forming pockets
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