WorksheetsApplied Geology
Total questions: 30
Worksheet time: 2hrs 45mins
Which of the following is not an ore of copper?
Chalcocite
Chromite
Chrysocolla
Chalcopyrite
What is a vadose zone?
Zone of saturation
Zone of absorption
Zone of percolation
Zone of aeration
Which of the following has the highest average crustal abundance?
Gold
Titanium
Iron
Aluminum
What is the density of gold?
5.1 g/cc
8.7 to 10.9 g/cc
19.3 g/cc
3.5 g/cc
These deposits represent primary mineralization wherein ores form at the same time – synchronous – as the rock.
Syngenetic
Epigenetic
Placer
Supergene
Which of the following is an example of Kuroko-type VMS deposit?
Barlo, Zambales
Bagacay, Samar
Rapu-Rapu, Albay
Canatuan, Zamboanga del Norte
Which of the following is not a notable precursor to a volcanic eruption?
An increase in the frequency and intensity of felt earthquakes
Subtle swelling of the ground surface
Unusual behavior of animals
Small changes in heat flow
What is the 1st recorded petroleum well (1896) in the Philippines?
San Antonio
West Linapacan
Pag-asa–1
Toledo–1
This act is also known as the "People's Small-scale Mining Act of 1991."
RA 7586
RA 7942
RA 7076
RA 8371
What type of kerogen is exinite?
Type I
Type II
Type III
Type IV
What is the temperature of gas window?
100-220 °C
75-150 °C
100-120 °C
< 100 °C
At what temperature does petroleum separate into different components?
600 °C
500 °C
400 °C
300 °C
Which of the following is not a raw material of Portland cement?
Al2O3
CaCO3
SiO2
Fe2O3
Tombstones may be displaced, twisted, or overturned in what earthquake intensity?
5
6
7
8
What is the basis for interpretation of gravity data in deep water surveys?
Eotvos correction
Bouguer anomaly
Free-air anomaly
Terrain correction
It is an agreement between the government and the contractor wherein the government shall provide inputs to the mining operations other than the mineral resource.
Co-production agreement (CPA)
Joint-venture agreement (JVA)
Mineral production sharing agreement (MPSA)
Financial or Technical Assistance Agreement (FTAA)
Which of the following is a high-sulfidation epithermal deposit?
Victoria, Mankayan, Benguet
Lepanto, Mankayan, Benguet
Sto. Tomas II, Padcal, Benguet
Acupan-Antamok, Itogon, Benguet
What is the pathfinder element of Au-Ag-Cu-Co-Zn deposit?
Tellurium
Antimony
Bismuth
Arsenic
Which of the following is not a constituent of white gold?
Silver
Nickel
Copper
Zinc
What is the required concentration of gold to be considered an economically viable deposit?
7 g/t
5 g/t
3 g/t
1 g/t
It is an act that promotes the exploration and development of geothermal resources.
RA 1067 of 1976
PD 1174 of 1977
PD 5092 of 1967
PD 1442 of 1978
Based on RA 7942 of 1995, what is the penalty for illegal exploration?
Fine up to ₱ 10,000
Fine up to ₱ 50,000
Fine up to ₱ 10,000-20,000 or 6 months-6 years of imprisonment
Compensation equivalent to damages and up to 5 years imprisonment
What method is similar to an underground version of quarrying and can be the lowest cost method when large ore bodies are located in strong country rock?
Shrinkage stoping
Room-and-pillar
Long hole stoping
Block caving
How many grams are needed for geochemical and isotopic analyses of major, minor, and trace elements?
200 mg
200 g
1-2 kg
10 g
What are the appropriate methods for exploration of fossil fuels?
Electrical resistivity, seismic, (gravity)
Seismic, (electrical resistivity), (gravity)
Magnetic, electromagnetic, electrical resistivity, self-potential, induced polarization
Seismic, gravity, magnetic, (electromagnetic)
Iodine-131 has a half-life of 8 days. If there are 200 g of this sample, how much iodine-131 will remain after 32 days?
10.5 g
12.5 g
14.5 g
15 g
Calculate the salinity for the inclusion with a melting temperature of -2.5 °C.
4.18 wt.% NaCl
-4.73 wt.% NaCl
6.18 wt.% NaCl
-6.73 wt.% NaCl
Recent exploration work revealed a gold prospect in Agusan del Sur with 20 million tonnes of gold ore with 1.50 g/t Au. For every tonne, considering all mining costs and administrative fees, it takes about $ 52 to recover gold at a 85% success rate. (1 oz = 31.103 g)
What is the cut-off grade at a gold price of $ 1,200/oz?
1.33 g/t
1.35 g/t
1.42 g/t
1.59 g/t
Calculate the tonnage of the copper deposit. (1 metric tonne = 2,204.6 lbs)
Given:
Average grade– 3% Cu
Strike length of the ore body– 500 m
Depth– 175 m
Width– 100 m
Specific gravity– 2.5
Price of Cu– $ 3.82/lb
22,870,000 tonnes
22,875,000 tonnes
21,875,000 tonnes
21,850,000 tonnes
Calculate the potential value of the copper mining project. (1 metric tonne = 2,204.6 lbs)
Given:
Average grade– 3% Cu
Strike length of the ore body– 500 m
Depth– 175 m
Width– 100 m
Specific gravity– 2.5
Price of Cu– $ 3.82/lb
$ 5,526,656,625
$ 5,500,650,625
$ 5,458,656,625
$ 5,520,656,625
