Diagnostic Test 1 - D3 Flashcards
It is the cgs unit for acceleration equivalent to 1 centimeter per second squared.
*
gravity unit
gal
gauss
tesla
gal
The adjustment to a measurement of gravitational acceleration to account for elevation and the density of rock between the measurement station and a reference level.
*
latitude correction
free-air correction
Bouguer correction
Eotvos correction
Bouguer correction
Which configuration of electrical resistivity surveying consists of four electrodes placed in line and spaced equidistant from each other? The two outer electrodes are current electrodes, and the two inner electrodes are potential electrodes. *
Schlumberger array
Wenner array
Dipole-Dipole array
Pole-Dipole array
Wenner array
Which geophysical surveying method involves determining the engineering properties of the subsurface such as the Young’s Modulus and the Poisson’s ratio? *
gravity surveying
magnetic surveying
seismic surveying
resistivity surveying
seismic surveying
It refers to the loss of energy and decrease in amplitude of a seismic wave as it travels through the Earth.
*
attenuation
dispersion
scattering
diffraction
attenuation
This term refers to intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein. *
bauxite
laterite
saprolite
gossan
gossan
These are low temperature deposits formed very much away from the intrusive body. Their temperature of formation ranges from 50 to 200 degrees Celsius. *
hydrothermal deposits
mesothermal deposits
epithermal deposits
sublimation deposits
epithermal deposits
The common host rock of Mississippi Valley Type Deposits is: *
limestone
sandstone
basalt
granite
limestone
A term that refers to the failed arm of a triple junction of a plate tectonics rift system. *
anatexis
aulacogen
aureole
Mendocino
aulacogen
Which category of VMS deposits are present in mixed volcanic-sedimentary environments? Deposits of this type are commonly hosted by turbidites that have been intruded by basaltic sills. These deposits are typically copper-rich and contain small abundances of lead and other lithophile elements. *
Cyprus type
Kuroko type
Besshi type
Mississippi type
Besshi type
For purposes of mining operations, a mineral agreement may take the following forms, EXCEPT:
*
MPSA
FTAA
Co-Production Agreement
Joint Venture Agreement
FTAA
The following areas are closed to mining operations, EXCEPT: *
in areas covered by small-scale miners as defined by law
areas expressly prohibited under RA 7586
in areas covered by valid and existing mining rights
all mineral resources in public or private lands, including timer or forestlands as defined in existing laws
all mineral resources in public or private lands, including timer or forestlands asdefi ned in existing laws
An exploration permit gives holder the right to conduct exploration for all minerals within a specified area. What is the validity of the exploration permit as stated in RA 7942? *
1 year
2 years
3 years
4 years
2
This law mandates that all applications for small scale mining will now be under the approval of the DENR Secretary. Also known as the “People’s Small-Scale Mining Act of 1991.” *
PD 1899
RA 7586
RA 7076
PD 1586
RA 7076
This is known as the “Renewable Energy Law of 2008.” *
PD 972
PD 87
EO 79
RA 9513
RA 9513
Which of the following is a unit of permeability? *
Percent
Poiseiulle
Pascal
Darcy
Darcy
This is a measure of the heat content of fuels or energy sources. It is the quantity of heat required to raise the temperature of one pound of liquid water by 1° Fahrenheit (F) at the temperature that water has its greatest density (approximately 39° F).
*
Calorie
Joule
British Thermal Unit
Kilowatt-Hour
British Thermal Unit
A graphical display of three-dimensional data and interpretations in two-dimensional perspective view.
*
Contour map
Fence diagram
Scatter plot
Cross section
Fence diagram
A map that uses contours to show the thickness of a subsurface rock layer is called:
*
Topographic map
Isopach map
Geological map
Isotherm map
Isopach map
Which type of kerogen is composed of a mix of terrestrial and marine organic materials? *
Type 1
Type 2
Type 3
Type 4
Type 2
The Van Krevelen diagram is a cross plot between: *
Hydrogen:Carbon ratio and Oxygen:Carbon ratio
Carbon:Hydrogen ratio and Oxygen:Carbon ratio
Hydrogen:Oxygen ratio and Carbon:Oxygen ratio
Carbon:Nitrogen ratio and Hydrogen:Nitrogen ratio
Hydrogen:Carbon ratio and Oxygen:Carbon ratio
An area of the subsurface where source rock has reached appropriate conditions of pressure and temperature to generate hydrocarbons:
*
Door
Trap
Window
Kitchen
Kitchen
Which geophysical survey method is useful to distinguish between shales and non-shales? It measures the radioactive emissions of a rock or sediment. *
Seismic Reflection
Gamma Ray Logging
Resistivity Logging
Magnetic Survey
Gamma Ray Logging
A drilling method that uses compressed air to flush cuttings out of the borehole. It’s a cost-effective and efficient drilling method that’s commonly used for shallow exploration projects.
*
Rotary Drilling
Diamond Drilling
Pneumatic Drilling
Mud Rotary Drilling
Pneumatic Drilling
In diamond drilling, which has a larger diameter core size compared to NQ? *
PQ
AQ
BQ
CQ
PQ
In GIS, this consists of a matrix of cells (or pixels) organized into rows and columns (or a grid) where each cell contains a value representing information, such as temperature. *
metadata
vector
raster
attribute
Raster
The variogram may exhibit an apparent discontinuity at the origin. The magnitude of the discontinuity is called the:
*
sill
range
nugget
jitter
nugget
The variogram quantifies the: *
temporal trend
data accuracy
measurement error
spatial correlation
spatial correlation
A variety of kriging which assumes that local means are not necessarily closely related to the population mean, and which therefore uses only the samples in the local neighborhood for the estimate.
*
Simple Kriging
Ordinary Kriging
Universal Kriging
Probabilistic Kriging
Ordinary Kriging
Which statistical test is used to test for differences in the means of two or more groups? *
Chi-square test
ANOVA
t-test
Regression
ANOVA
Which is an example of an ordinal level data? *
rock type
mineral composition
Moh’s scale
grain size
Moh’s scale
This sampling method involves dividing the total population into smaller groups. The small group is formed based on a few characteristics in the population. After separating the population into a smaller group, the statisticians randomly select the sample. *
Clustered Sampling
Systematic Sampling
Simple Random Sampling
Stratified Sampling
Stratified Sampling
The Hjulstrom diagram is a plot of: *
Water velocity against sediment size
Water depth against flow velocity
Water temperature against dissolved oxygen
Water salinity against turbidity
Water velocity against sediment size
A ratio of inertial and gravitational forces.
*
Reynolds number
Froude number
Mach number
Weber number
Froude number
A free or standing-wave oscillation of the surface of water in an enclosed or semi-enclosed basin such as a lake.
*
tsunami
bore
swash
seiche
seiche
A stoping method which uses part of the broken ore as a working platform and as support for the walls of the stope.
*
room and pillar
shrinkage stoping
cut and fill
caving
shrinkage stoping
A short ton is equivalent to: *
1000 pounds
2000 pounds
3000 pounds
4000 pounds
2000 pounds
An umpire assay is conducted by:
*
A third-party laboratory to verify assay results
The mine owner to estimate ore grades
Government regulators for compliance
Geologists to determine mineral composition
A third-party laboratory to verify assay results
Sedex deposits are important sources of:
*
gold
copper
lead
iron
lead
An 18 karat gold is: *
50% gold
65% gold
75% gold
80% gold
75% gold
Which of the following is a term used in gemology to describe the weight of a semi-precious or precious stone? *
Karat
Carat
Grain
Troy ounce
Carat
How many liters are in one barrel? *
156
157
158
159
159
Which of the following represents an equal area stereonet?
*
Wulff net
Schmidt net
Equatorial net
Polar net
Schmidt net
A bed has an apparent thickness of 85 meters and a dip of 35 degrees. Calculate the true thickness of the bed.
*
58 meters
123 meters
49 meters
97 meters
49 meters
A sedimentary unit has a true thickness of 150 meters. On a map, the outcrop width of the unit is 600 meters. What is the approximate dip of the unit?
*
58 degrees
32 degrees
14 degrees
76 degrees
14 degrees
Refer to the table below. The cutoff grade is 0.4 g/T. Calculate the average grade.
Sample 1: 0.3 g/T; 0.8 m
Sample 2: 4.1 g/T; 1.2 m
Sample 1: 1.4 g/T; 0.9 m
*
2.21 g/T
2.94 g/T
3.12 g/T
2.85 g/T
2.94 g/T
A reserve estimation method in which more weight is given to the closer hole compared to the other holes in the region. *
polygon method
triangle method
inverse distance method
kriging
inverse distance method
Which alteration is characterized by the formation of minerals such as kaolinite, halloysite, and dickite? *
propylitic
phyllic
argillic
potassic
argillic
The presence of gahnite in the sediments is an important indicator for the proximity to the mineralization of which metal? *
gold
copper
zinc
lead
zinc
In surveying, this is a reading taken on a position of known coordinate(s). *
foresight
backsight
benchmark
nadir
backsight