Reef - Test 3

Volcanic activity located away from plate boundaries is associated with

Hotspots

What is true of spheroidal weathering?

It attacks the corners and edges of rocks

a landform created by deposition on the inside of a bend in a meandering stream channel is ...

Point bar

Uplift of the landscape creates ______ energy which is converted to ____ energy when materials begin to move downslope.

Potential; kinetic

The dynamic equilibrium model refers to

a balancing act between tectonic uplift and rates of denudation by weathering and erosion in a given landscape

When continental crust collides with continental crust...

a large mountain range often forms

After a threshold is crossed, the landscape

adjusts to a new equilibrium condition

Particles that are dragged, pushed or rolled along the bottom of a stream comprise the stream's

bed load

Karst topography is formed primarily by

carbonation and solution

The effect of urbanization on a typical stream hydrograph is to

decrease lag time between storm peak and peak stream discharge

Delicate Arch in Utah is an example of?

differential weathering

which of the following lists the correct sequence of divisions in the geologic time scale, from largest to smallest?

eon, era, period, epoch

When rock strata are strained beyond their ability to remain an intact unit, displacement occurs in a process known as...

faulting

Figure shows that as the distance from a mid-ocean ridge increases, the age of the sea floor...

increases

Water content in the slope material is highest during which type of mass movement?

mudflow

in most areas, the upper surface of bedrock is partially weathered to broken-up rock called

regolith

Limestone is a type of ______ rock that forms when _______

sedimentary; calcium carbonate precipitates, or organic materials containing calcium carbonate accumulates in a water environment

The San Andreas fault in southern California is an example of a ....

strike-slip fault

When geologists or archaeologists dig downward into a unit of rock or sediment, they are digging "back in time." This fact is based on the principle of ___________.

superposition

A continental craton is best described as...

the surface accumulation of molten rock

When geologists conclude that the Grand Canyon sequence of rocks was formed through hundreds of millions of years of deposition, mountain building, and erosion, they are basing this conclusion on the principle of _________.

uniformitarianism

As a stream velocity decreases, which of the following sizes of sediments will be deposited last?

Clay

Which of the following incorrectly matched? A. strain = stress-induced B. compression = shortening or folding C. tension = stretching or faulting D. shearing = stretching

D. Shearing = Stretching

a drainage basin is defined by

its drainage divides

on average, the thickness of the oceanic crust is ________ than that of the continental crust

less

earth's interior is layered because...?

materials became sorted based on density as the earth solidified

A rock transformation by heat and/or pressure is referred to as a(n) ____________

metamorphic rock

Streams flowing off a volcanic mountain typically display what type of drainage pattern?

radial