Chapter 5
This australopithecine was known as the "upright man".
This is the study of the earth.
What is geology?
This metal is more valuable than gold or silver.
What is platinum?
These types of mountains form when two rock layers are pushed violently together, causing the layers to buckle.
What is folded?
One of the huge, muddy valleys that cut through portions of the abyssal plain.
What is trench?
The sudden appearance of life in the fossil record
What is Cambrian explosion?
This is the most abundant element in the earth's crust.
What is Oxygen?
This is the red variety of corundum.
What is a ruby?
This is the point on the earth's surface directly above an earthquake's focus.
What is the epicenter?
This is an underwater mountain.
What is a seamount?
The false belief that all geological processes have always proceeded at the same rate.
What is uniformitarianism?
A mineral test that leaves a line of powder on a plate.
What is streak?
Emerald and aquamarine are two forms of this mineral.
What is beryl?
This is the winding, looping curve in a river on flat ground.
What is meander?
This is a large fissure in the continental shelf.
What is submarine canyon?
One idea that attempts to reconcile the Bible and evolution.
What is theistic evolution?
This type of fold occurs when rocks buckle upward.
What is anticline?
This type of mountain is formed when molted rock collects beneath an overlying rock layer, forcing the layer upward into a blisterlike structure.
What is domed?
These regions of the earth's surface are where limestone is exposed and abundant.
What is karst?
This is a huge level region of the deep ocean floor
What is abyssal plain?
This hypothetical time scale supposedly charts both the earth's history and the sequence of the rock layers in the earth's crust.
What is geologic column?
The large almond- or teardrop-shaped pieces of ejecta formed when lava solidifies.
What volcanic bomb?
This theory states that the earth's crust and upper mantle consist of huge plates slowly drifting as a result of convection currents in the mantle.
What is plate tectonics?
A low hill formed when a glacier overruns a moraine.
What is a drumline?
Oceanographers collect water samples from the ocean depths using these bottles.
What are Niskins?