GEOL 100 – An unconformity is a buried

An unconformity is a buried ________.

Question 1 options

:fault or fracture with younger strata above and older strata below

fault or fracture with older rocks above and younger rocks below

surface of erosion separating younger strata above from older strata below

surface of erosion with older strata above and younger strata below

In the late 1700s James Hutton published his important work titled ________.

Question 2 options:

Principles of Geology

Catastrophism

Theory of the Earth

Modern Earth Science

Catastrophism ________.

Question 3 options:

was a philosophy that was first expounded by the early Greeks

was based upon the belief that Earth was millions of years old

is a modern term used to describe earthquakes and volcanic activity

helped man understand the true nature of the forces that shaped the Grand Canyon

The subdivision of the geologic time scale that represents the longest time span is called a(n) ________.

Question 4 options:

era

epoch

period

stage

What of the following refers to the investigative process by which geologists identify and match sedimentary strata and other rocks of the same ages in different areas?

Question 5 options:

cross-access dating

strata indexing

super matching

correlation

Which of the following denotes the divisions of the geologic time scale in correct order of decreasing lengths of time beginning with the longest time interval and ending with the shortest?

Question 6 options:

eon, era, period, epoch

eon, epoch, period, era

eon, era, epoch, period

era, period, epoch, eon

Which one of the following is true regarding tsunamis?

Question 7 options:

Their wave heights decrease and wavelengths increase as they move into shallower water.

They travel as deep-water waves at speeds greater than surface seismic waves but slower than S waves.

They are started by fault-induced, horizontal shifts in the seafloor that suddenly propel great masses of water in opposite directions.

They occur in the open ocean, wavelengths are many miles or kilometers and wave heights are only a few feet.

The ________ magnitude scale is a measure of the energy released. It does not directly measure the extent of building damage.

Question 8 options:

Richter

Reid

Mercalli

Gutenberg

P waves ________.

Question 9 options:

have higher amplitudes than do S waves

produce the strongest ground shaking

propagate only in solids

are faster than S waves and surface waves

What is the age of the Earth accepted by most scientists today?

Question 10 options:

6.4 billion years

4.5 million years

6.4 million

4.5 billion