Falls Lake Trail - Section 16

Figure 16-B.  Diabase dike at trail point 16-B.  The rock was divided into cubic or rectangular segments by fractures, and then spheroidal weathering has rounded the blocks.

diabase

Falls Lake Trail - Section 16

Figure 16-C.  View north from the causeway between Trail Sections 16 and 17.  The constriction at the inlet is due to the hard diabase there.

diabase on inlet

Falls Lake Trail - Section 17

Figure 17-C.  In the past, boulders of diabase were commonly used in construction.

barn with diabase boulders at base

Falls Lake Trail - Section 18

Figure 18-A.  Outcrop directly under bridge.  Rock is micaceous sandstone with nearly horizontal bedding and joints (fractures).

sandstone at bridge

Falls Lake Trail - Section 20

Figure 20-G.  Large boulder of diabase, formed by spheroidal weathering.  Rock is to the right of the trail (downhill).

diabase boulder