updated
Which geologic law explains the relative ages of rocks with respect to
one another in a map or cross section? - ANSWER-Principle of Initial
Horizontality
Law of Superposition
Law of Cross-cutting Relationship
Surface exposure, in a temperate environment, of aluminum silicate
minerals such as feldspar would result in the development of which
of the following clay minerals? - ANSWER-Montmorillonite
What geologic condition would produce slow drainage within the
cone of depression of an unconfined aquifer? - ANSWER-Glacial drift
What type of slope failure would you expect to find in a well-
cemented conglomerate overlying a shale in an area of high ground
water levels? - ANSWER-Translational slide
Rotational landslide - ANSWER-the downward and outward
movement of a mass on top of a concave upward failure surface
When constructing an isopach map you ... - ANSWER-contouring the
thickness of a bed
, ASBOG Practice Quiz fully solved &
updated
Under low pH conditions... - ANSWER-*Cyanide and sulfide are more
toxic to fish
*Ammonia is less toxic to fish
*Acid mine drainage conditions exit.
A good index fossil is characterized by - ANSWER-a restricted
stratigraphic range and a wide geographic range
What would be the most logical engineering geologic classification of
a till using the USCS? - ANSWER-GM - GC
In the process of natural gas production, what is the purpose of
injecting sand? - ANSWER-It keeps fractures open
Aerial photographs that were shot an an elevation of 3000' and using
a focal length of 6". What is the scale of the map? - ANSWER-6 =
3000 -> 1 = 500
Gossan or "rust' is formed at the surface as a result of hydration of
iron oxides during natural weathering and/or alteration processes in
areas that are underlain by valuable mineralization of metal sulfides.
What technique is particularly suited for investigating these types of
ore bodies? - ANSWER-Landsat remote sensing
, ASBOG Practice Quiz fully solved &
updated
An area with a collection of closed depressions, some of which are
full of water, resulted from what? - ANSWER-*Collapse of coal mine
*Collapse of rock over an underground cavity in limestone
*A large landslide in an area underlain by clayey soils
MTBE - ANSWER-Methyl Tertiary Butyl Ether
Finding MTBE source in an unconfined aquifer - ANSWER-GIS
Trilobites are important to the dating of rocks b/w the Cambrian and
the Permian b/c - ANSWER-Their presence defines the lower limit of
the Cambrian Period and Paleozoic Era.
Generate a series of maps providing geologic features, delineating
map coverage of investigations/reports done in the area. One million
acres. What scale of maps would be appropriate for the
presentation? - ANSWER-Small-scale maps
In an area of limited surface outcrops, is a large overturned anticline
composed of an incompetent bed bounded by two competent beds.
How would you determine which limb is overturned? - ANSWER-
Examine drag folding within the incompetent bed