Board Examination Questionnaires ( Mineral Sampling )
c
. A flushing medium now widely used in drilling exploration in rugged terrain. a. Water c. Bentonite e. Soapstone b. Compressed air d. Clay
b
Magnetite rocks are formed by: a. Metasomatic process c. chemico-sedimentary b. magmatic differentiation d. contact metamorphism
a
The best geophysical exploration method suited in searching for porphyry copper. a. Induced Polarization c. Remote Sensing b. Electromagnetic d. Laser Techniques
d
The deposition/succession of the different types of sedimentary rocks in a rock mass. a. Parting c. Layering e. Contact b. Stratification d. Bedding
e
Uranium and thorium are detected by: a. Aeromagnetic c. Electromagnetic e. Radiometric b. Remote sensing d. Seismic
a
What component of the local coal that lessens or lowers the quality and demand for industrial usage particularly for fuel combustion? a. High sulfur content c. Clay impurities b. Low heating value (btu) d. Organic matter origin
c
Are gold deposit found along rivers, gullies which associates with clay, silt, sand and gravel. a. native gold c. alluvial gold e. placer gold b. fools gold d. quartz gold
a
Are two of the best suited exploration methods for mining exploration. a. magnetic & electrical c. seismic & radiometric b. seismic & gravimetric d. electrical & remote sensing
e
Aside from limestone, what other raw materials are necessary in the production of cement. a. diorite c. andesite e. silica b. dacite d. granite
b
It is the percentage of the core recovered from drilling divided by the length of drill run multiplied by 100. a. Percentage Core Recovery c. Length of Core b. Rock Quality Designation d. Percentage Mineralization
a
It is total length of coal/rock samples recovered divided by the total drilling run multiplied by 100%. a. % Core Recovery c. Length of core b. Drill run d. Rock Quality Designation
a
It the origin/source of oil and natural gas. a. Animals c. Grass e. Leaves b. Plants d. Food
b
A barren rock in the mine. a. Host Rock c. Country Rock e. Muck b. Waste Rock d. Tailing
b
A drilling method used in coal/mineral exploration where the drill rods and core barrel are left behind inside the hole and the inner tube core barrel containing the core is pulled out to the surface to recover the core samples. a. Reverse Circulation drilling c. churn drilling b. Wire-line drilling d. Conventional drilling
d
A drilling technique where rods are pulled-out together with the core barrel to recover the samples for every length of drill run. a. Wire-line Drilling c. Reverse circulation Drilling e. Directional Drilling b. Rotary-percussive Drilling d. Conventional Drilling
c
A drilling techniques in mineral exploration that uses either air or water as flushing medium where cutting are siphoned/sucked from bottom of hole passing through the inner opening of the series of drill strings. a. Core Drilling c. Reverse Circulation Drilling e. Jet Piercing b. Percussion Drilling d. Rotary Drilling
a
A drilling techniques that preferably uses water as flushing medium to bring the cuttings from the bottom of the hole through the annulus. a. Conventional Rotary Drilling c. Reverse Circulation Drilling b. Diamond Core Drilling d. Auger Boring
b
A field activity conducted by geologist or engineer to trace, locate and record surficial geological information plotted on maps. a. Reconnaissance Mapping c. U/G Geologic Mapping b. Surface Geologic Mapping d. Field Traverse Mapping
b
A flammable gas commonly found in coal beds. a. Carbon monoxide c. Carbon Dioxide b. Methane d. Sulfur dioxide
c
A geological structure found in between layers/bedding of different rock types. a. Fault c. Geologic Contact e. Fissure b. Bedding d. Fold
a
A geophysical exploration method ideal to detect gold and uranium ores. a. Gravity c. Electrical e. Seismic b. Magnetic d. Remote sensing
a
A geophysical exploration methods used preferably in petroleum and gas exploration. a. Gravimetric c. Magnetic e. Radiometric b. Electric d. Remote Sensing
e
A hybrid form of drilling methods that combines separately percussive and rotational actions using either drag bits or tri-cone roller bits. a. Rotary Drilling c. Diamond Core Drilling e. Rotary-Percussive Drilling b. Percussion Drilling d. Churn Drilling
b
A main mineral found in limestone. a. Limonite c. Quartz e. Lime b. Calcite d. Calcium oxide
e
A measure commonly used to express the heating value of coal. a. Celsius c. Pounds/sq. in2 e. British Thermal Unit b. Fahrenheit d. Kilogram/sq m2
c
A method of mineral exploration that measures the trace concentration of chemical element or bacteria found within a mineral deposit. a. Geophysical Exploration c. Geochemical Exploration e. Rock Exploration b. Drilling Exploration d. Geological Exploration
c
A mineral deposit of tabular form lying horizontally or sub-horizontally and commonly parallel to the stratification of the enclosing rocks. a. Porphyry/Disseminated deposit c. Bedded deposit b. vein-type deposit d. magmatic deposit
d
A mineral exploration method that uses gamma rays to penetrate into the earth's crust to detect radioactive minerals. a. Remote Sensing c. Seismic e. Gravimetric b. Aeromagnetic d. Radiometric
b
A mineral exploration method that utilize a high altitude-radar equipment installed in an aircraft that maps earth's topography using satellite images to detect bedrock and mineralized zones. a. Radiometric c. Gravimetric e. Electrical b. Remote Sensing d. Magnetic
c
A mineral that exhibit sky-blue or blackish blue when exposed as outcrop. a. Malachite c. Azurite e. Chalcocite b. Cuprite d. Pyrolusite
d
A natural-occurring inorganic material that contains an aggregate of minerals. a. Mineral c. Coal e. Soil b. Ore d. Rock
b
A natural-occurring organic material form the accumulation of plant remain that has undergone incomplete oxidation. a. Ore c. Mineral e. Rock b. Coal d. Soil
d
A particular phase in regional mineral prospecting and exploration wherein detailed surface appraisal is being done on the target area. a. Phase 1 c. Phase 2 e. Phase 5 b. Phase 3 d. Phase 4
c
A physical property of a mineral that reflect and refract to light. a. Streak c. Luster e.Luminescence b. Magnetism d. Cleavage
a
A physical property of mineral determine by rubbing on a piece of unglazed porcelain that leaves a colored scratch. a. Streak c. Hardness e. Friability b. Specific Gravity d. Grindability
b
A poisonous gas commonly found in coal beds. a. Carbon monoxide c. Carbon Dioxide b. Methane d. Sulfur dioxide
b
A portion of organic matter which is driven off as a gas. a. Fixed Carbon c. Calorific Value b. Volatile Matter d. Agglomerating Character
b
A type of coal that is considered low grade and in rank. a. Lignite c. Bituminous e. Subbituminous b. Peat d. Anthracite
e
A type of coal that represent the initial, unconsolidated stage in the coal development. a. Subbituminous c. Anthracite e. Peat b. Bituminous d. Lignite
d
A type of map that contains the elevations, coordinates, contours, roads, surface water sources, legends, scales and other surficial features that are present in the area. a. Hydrographic Map c. Plan and Profile Map b. Geologic Map d. Topographic Map
c
Aerial magnetometer surveys are best applicable in exploration which of the following mineral deposits? a. calcite deposit c. iron deposit b. limestone d. coal deposit
c
An environment considered as an ideal location of coal formation. a. Forestland c. Marshland b. Farmland d. Wetland
c
An exploration drilling method where drilling is performed by "raising and dropping" of the chisel- type bit. a. Rotary drilling c. Percussion drilling e. Diamond core drilling b. Rotary-percussion d. Churn drilling
e
An exploration method highly applicable in locating and determining thickness of wet shears, clays , sand and gravels is called? a. seismic c. gravity e. resistivity b. remote sensing d. magnetic
e
Any disintegrated rock found at the toe of slope that does not contain mineral present for further investigation. a. Float c. Ore e. Talus b. Gossan d. Bonanza
b
For accurate logging of diamond drill cores, the core must first be: a. painted with clear while c. crushed to powder form b. wetted with clean water d. pulverized to minus 200 mesh
d
Geochemical prospecting is used to trace metals usually contained in? copper deposit. a. waste dump samples c. Flora samples b. wind samples d. Water or stream sediment samples
a
Geologic Mapping is an activity of what exploration technique: a. Geologic Exploration c. Drilling Exploration e. Mineral Exploration b. Geophysical Exploration d. Geochemical Exploration
e
Heat produced by coal combustion. a. Calorific Value c. Volatile Heat e. Thermal Heat b. Flue Gas d. Intense Heat
b
If coal is of vegetal or plant in origin, then oil and natural gas came from: a. Volcanic origin c. Plant origin e. Animal excreta b. marine organism d. bacterial origin
b
In coal deposition, what does strata mean? a. bedding c. country rock b. beds or layers d. slickenside
c
In diamond core drilling, which of the following devices is used to locate and recover detached or lost drill rods or bits at the bottom of the hole? a. bit splitter c. fishing tap device b. overshot assembly d. core barrel
c
In geochemical exploration conducted along lakes, what particular sampling media are usually taken for geochemical testing. a. Sediments c. Mud e. stones b. Rocks d. roots of trees
b
In locating drill holes by grid system, what is the standard distance of holes in drilling a porphyry copper deposit. a. 100.00 meters c. 150.00 meters e. 175.00 meters b. 75.00 meters d. 50.00 meters
a
In mapping and interpretation, rivers, creeks or streams are usually surface impressions of which of the following? a. fault c. syncline e. dome b. anticline d. placer deposit
d
In mineral exploration drilling for gold, magnetite sand and laterite deposit containing nickel and cobalt ores, what is the most ideal drilling methods to be used? a. wireline core drilling c. rotary drilling b. rotary-percussion d. reverse circulation drilling
c
In mineral exploration drilling, what is the maximum depth of holes considered shallow. a. 150 meters c. 100 meters e. 300 meters b. 200 meters d. 500 meters
d
In mineral exploration, it consist of detonating a charge of explosives and measures the reflection and refraction of artificial earthquake waves set-up by a shock of the explosive explosion. a. magnetic c. electrical e. gravity b. remote sensing d. seismic
d
In mineral prospecting, which of the following metals exhibit an anomalous color of red? a. iron c. chromium e. copper b. arsenic d. mercury
c
In placer gold, what are the ranges of its carat content? a. 13-15 carat` c. 22-24 carat e. 16-17 carat b. 18-22 carat d. 10-12 carat
b
In reverse circulation drilling, the fine samples siphoned of: a. blasthole cone c. sludge sample b. chip samples d. Core sample
c
In wireline core drilling using AQ core barrel, what is the standard size of the core that can be recovered? a. 36.5 mm c. 27 mm e. 47.6 mm b. 63.5 mm d. 85 mm
a
In wireline core drilling using BQ core barrel, what is the standard size of the core that can be recovered? a. 36.5 mm c. 27 mm e. 47.6 mm b. 63.5 mm d. 85 mm
b
In wireline core drilling using HQ core barrel, what is the standard size of the core that can be recovered? a. 36.5 mm c. 27 mm e. 47.6 mm b. 63.5 mm d. 85 mm
e
In wireline core drilling using NQ core barrel, what is the standard size of the core that can be recovered? a. 36.5 mm c. 27 mm e. 47.6 mm b. 63.5 mm d. 85 mm
d
In wireline core drilling using PQ core barrel, what is the standard size of the core that can be recovered? a. 36.5 mm c. 27 mm e. 47.6 mm b. 63.5 mm d. 85 mm
c
It defines the extent, type, rank and quantity of coal deposit. a. Geologic Mapping c. Coal Exploration b. Coal Sampling d. Coal Reserve Estimation
e
It is a drilling exploration method where samples are collected by bailing. a. core drilling c. churn e. percussion b. direct rotary d. reverse circulation
c
It is a hole drilled to obtain the physical, geological and engineering character of mineral deposit using a rotary-type of drilling equipment. a. Borehole c. Drillhole e. Open Hole b. Percussion Hole d. Blasthole
e
It is considered as impurities in coal due to emission of toxic SO3 gas. a. Phosphorous c. Iron e. Sulfur b. Lime d. Aluminum
b
It is considered as particulate matter in coal burning. a. Coal Dust c. coal residue e. coal remains b. Coal Ash d. coal flake
b
It is not a mineral but an aggregate of minerals and other colloidal substances. a. Quicksand c. Talus e. Floats b. Clay d. Aggregates
d
Phosphate rocks are formed by: a. dissolution of carbonaceous components in limestone with decaying plant remains b. chemical reaction with bodies of dead animals c. weathering of coralline limestone bodies near shorelines d. reaction of carbonaceous components in limestone with bird or bat manure e. incomplete oxidation of decaying organic matter
b
Porphyry/disseminated copper are formed by : a. Chemico-sedimentary c. Contact Metamorphism b. Magmatic Differentiation d. Biological Origin
c
Subbituminous coal has an average heating value of: a. 3,000 Btu c. 10,000 Btu e. 15,000 Btu b. 5,000 Btu d. 12,000 Btu
a
The most common gold ores. a. Gold-quartz c. Placer gold e. Free-gold b. Pyritic ores d. Gold associated w/ copper
b
The most effective, detailed and widely used method of exploration applied in developing or delineating an orebody for the purpose of defining ore reserves is called? a. airborne exploration c. trenching b. diamond core drilling d. churn drilling
b
The physical property of a mineral that can be detected by holding a piece of copper in one hand and holding a piece of amber on the other hand and the copper is felt colder. a. Transparency c. Luster e. Cleavage b. Heat Conductivity d. Streak
b
These are uneven and irregular vein formed where a mass of molten rock started cooling, and large quantities of liquids and gases are given off and deposited along rock cracks and crevices. a. Porphyry Deposit c. Quartz Vein b. Fissure Vein d. Bonanza
d
This material are considered as clay that can be used as both drilling lubricant and flushing medium. a. Muds c. Soapstone e. Sulfactant b. Clays d. Bentonite
b
What is the most important factor that contributes mainly to quality of coal formation. a. type of vegetable matter where coal originates b. magnitude of heat and pressure c. the weight of external load d. the type of foreign matter components in coal e. the type of bacteria present
a
What is the most important task to be accomplished in core drilling? a. Rock Core c. Deep of hole e. Size of the hole b. Rapid advance of footage d. Sludges
e
What is the most suitable reservoir rock for oil? a. Limestone c. Shale e. Sandstone b. Conglomerate d. Clay
e
What type of geophysical exploration method that uses the density of rocks in identifying the type of ore buried beneath the surface. a. Seismic c. Electrical e. Gravity b. Magnetic d. Remote sensing
b
When a sediments changes/transform into sedimentary rocks, it undergoes the process of: a. Weathering and erosion c. Solidification b. Cementation and compaction d. Sedimentation
c
When can be a mineral become an ore ? a. mining boom c. high metal value e. blending b. high grade d. mineral processing
d
When conducting a geologic mapping, which of the following is the least not most needed in the field mapping? a. Geologic Map c. Meter Tape e. Hand Lens b. Brunton Compass d. Global Positioning System
e
When feldspar underwent weathering, it changes into: a. Olivine c . Plagioclase e. Kaolin b. Quartz d. Hornblende
e
When igneous rock weathers by mechanical weathering process, it will transform into: a. Clay c. Silt e. Sand b. Mud d. Gravel
a
When metamorphic rocks changes to sedimentary rocks, what are factors involved: a. heat and pressure c. temperature and pressure b. external load d. tectonic and volcanic movements
d
Which of the following are not used as fluids in drilling exploration? a. compressed air c. bentonite e. polymers b. water d. polyphosphate
a
Which of the following areas where most of the mineral deposits are found? a. Abandoned Mine c. Mine Refuse e. Caves b. River Beds d. Roadcuts
c
Which of the following does not belong to the group? a. drill core c. drill bit e. drill cutting b. drilling dust d. sludge
d
Which of the following does not belong to ultramafic rocks where magnetite sand came from? a. Andesite c. Diorite e. Dunite b. Basalt d. Shale
d
Which of the following exploration methods is best applicable to developing a lateral and vertical extent of deep seated orebodies? a. laser techniques c. remote sensing b. test pitting d. diamond core drilling
a
Which of the following geologic feature that provide suspicion of the presence of minerals? a. alteration zone c. slickenside e. ground subsidence b. gouges d. soil creeping
d
Which of the following geologic structure is formed by dissolution of carbonates materials in limestone bodies with percolating surface/underground waters. a. Joints c. Folds e. Fissures b. Fractures d. Karst
c
Which of the following is a product of rotary drilling? a. Core c. Drill cuttings e. Return water b. Sludge d. Rock chips
e
Which of the following mineral properties can not determined during geologic mapping? a. Soil/rock types c. Physical Properties e. Mechanical Properties b. Geologic Structure d. Chemical Properties
e
Which of the following mineral that possess radioactive characteristics. a. Augite c. Bornite e. uranium b. Pyrolusite d. Chalcocite