What are the three types of unconformities, and what is each missing? What will be an ideal response?
Disconformities are a surface of erosion or nondeposition separating younger from older rocks, both of
which are parallel to one another. An angular unconformity is an erosional surface on tilted or folded
strata over which younger strata are deposited. The strata below the unconformable surface generally
dip more steeply than those above, producing an angular relationship.
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What employment sector is identified with mining?
A) primary B) secondary C) tertiary D) quaternary E) quintenary
The oldest oceanic crust is along the mid-ocean ridges. Indicate whether the statement is true or false
What characteristics along a seacoast indicate that erosion predominates over deposition? What will be an ideal response?
Capetown, in southwest Africa, is influenced by the ________ ocean current
A) Benguela B) North Atlantic Drift C) Mozambique D) Arctic Circumpolar