100-230 million years 2. 230-380 million years 3. 380- 400 million years 4. older than 400 million years 56. Identify the type of unconformity between the conglomerates and the sandstones. 1. angular 2. nonconformity 3.
Most streams carry the largest part of their load in solution.
Figure 8 Identify each of the indicated groundwater features by selecting the correct response. A 65 zone of saturation B 66. The mantle is solid because both P and S waves travel through it. To locate an epicenter, the distance from three or more different seismic stations must be known. The boundary that separates Earth's crust from the underlying mantle is known as the shadow discontinuity.