SUG Board Licensure Examination for Geologists (BLEG) Review 2022 Flashcards
A brittle-fracture surface in rocks along which no movement has taken place.
A. Slickensides
B. Shear zone
C. Contact
D. Joints
d. joints
The Deccan Traps, Columbia River Basalts, and Faroe Islands are examples of
__________.
A. Island Arcs
B. Continental Masses
C. Large Igneous Provinces
D. Mountain Ridges
c. large Igneous provinces
This man is known as the Father of Modern Geology.
A. Charles Lyell
B. Charles Darwin
C. James Watson
D. James Hutton
d. James Hutton
The ______ is the line of intersection of a horizontal plane and the inclined plane.
A. Bedding
B. Strike
C. Plunge
D. Dip Direction
b. strike
On a circular stratigraphical structure bending downwards, the youngest rocks are on the
center. What kind of structure is this?
A. Basin
B. Batholith
C. Diatreme
D. Dome
a. Basin
How fast does the Earth spin at the equator?
A. ~1600kph
B. ~5500kph
C. ~1.600kph
D. ~16000kph
a. ~1600 kph
What great change in the Earth’s biology took place around 2300mya?
A. Salinization of water
B. Oxygenation
C. Snowball Earth
D. Occurrence of Water
b. oxygenation
What geomorphic feature separates the Central Luzon Basin from the West Luzon
Platform Basin?
A. Sierra Madre Mountains
B. Central Cordillera Range
C. Zambales Ranges
D. Sicalao Ridge
c. Zambales Ranges
Gshelia sp. is found at the base of Punso Conglomerate overlying which of the following
stratigraphic units?
A. Oreng Formation
B. Balanga Formation
C. Pocanil Formation
D. Famnoan Formation
c. Pocanil Formation
Which area on Earth has not received precipitation for 2 million years?
A. Antarctica
B. Gobi Desert
C. Sahara Desert
D. Arctic Circle
a. Antarctica
What is the other name for Huronian Glaciation?
A. Snowball Earth Glaciation
B. Grenville Glaciation
C. Makganyene Glaciation
D. Andean Glaciation
c. Makganyene Glaciation
Which layer of the Earth produces the earth’s magnetic field?
A. Crust
B. Mantle
C. Mohorovicic Discontinuity
D. Outer Core
d. outer core
The pressure or stress within the Earth resulting from the overlying rocks and is equal in
all directions is known as ____________.
A. Atmospheric Pressure
B. Lithostatic Pressure
C. Lithostatigraphic Pressure
D. Lithologic Pressure
b. Lithostatic pressure
What is the average radius (in km) of the planet Earth?
A. 7000 km
B. 1580 km
C. 2442 km
D. 6370 km
d. 6370 km
Which among these types of eruptions has the highest Volcanic Explosivity Index (VEI)?
A. Plinian
B. Vulcanian
C. Strombolian
D. Hawaiian
a. Plinian
These are a fossil group of extinct marine arthropods, roamed the earth’s oceans for
over 270 million years, and wiped out by the end Permian extinction.
A. Stromatolites
B. Radiolarians
C. Graptolites
D. Trilobites
d. trilobites
This tectonic feature is the morphologic expression of the subduction of the South China
Sea Plate under the Luzon Arc.
A. Manila Trench
B. Philippine Trench
C. Cotabato Trench
D. East Luzon Trough
a. Manila Trench
A sheetlike structure that forms when rocks are deformed, a kind of metamorphic
layering
A. Lineation
B. Foliation
C. Boudinage
D. Mélange
b. foliation
This landform arises from rocks which erode at a slower rate than that of the surrounding rocks. It consists of an erosion-resistant rock which protects a softer rock such as limestone. The resistant rock remains isolated as ongoing erosion erodes the less
resistant rock around it.
A. Hogbacks
B. Ventifacts
C. Inselbergs
D. Aretes
c. Inselbergs
The new discovery of Nautilus specimens is determined to be from the __________
period deposits in Batangas.
A. Hypogene
B. Supergene
C. Cenozoic
D. Neogene
d. Neogene
What differentiates a swamp, bog, and a marsh?
A. Rock type
B. Dominant plant type
C. Drainage system
D. Depositional environment
b. Dominant plant type
A site is located on a volcanic island arc adjacent to an oceanic trench. The volcanoes erupt gray volcanic ash and lava flows. There are also some intrusive rocks. What tectonic environment is the site located?
A. Continental Rift
B. Oceanic-Continental convergent
C. Oceanic Hotspot
D. Oceanic-oceanic convergent
d. Oceanic-oceanic convergent
The American geophysicist who proposed the notion of Seafloor Spreading in the 1960s.
A. Harry Hess
B. Alfred Wegener
C. Charles Lyell
D. Graciano Yumul
a. Harry Hess
What structure is responsible for the largest tsunamigenic 1976 Moro Gulf Earthquake?
A. Philippine Trench
B. Philippine Fault
C. Cotabato Trench
D. Cotabato Fault
c. Cotabato Trench
Which of the following is the correct ophiolite sequence?
A. Deep Marine Sediments-Sheeted Dike-Pillow Lavas-Gabbro-Peridotite
B. Deep Marine Sediments-Pillow Lavas-Sheeted Dike-Gabbro-Peridotite
C. Deep Marine Sediments- -Pillow Lavas-Sheeted Dike -Peridotite-Gabbro
D. Deep Marine Sediments-Sheeted Dike-Pillow Lavas-Peridotite-Gabbro
b. Deep Marine Sediments-Pillow Lavas-Sheeted Dike-Gabbro-Peridotite
Which refers to the precession of the Earth?
A. Change from night to day
B. Earth’s motion around the sun
C. Change in orientation of the Earth’s axis
D. Effects of the moon on the Earth’s orbit
c. Change in orientation of the Earth’s axis
The _________ forms the coastal folded belt of Northern Luzon and extends north and south between the high Cordillera Central and South China Sea.
A. Ilocos Basin
B. Cordillera Central
C. Caraballo Mountains
D. None of the above
a. Ilocos Basin
What type of erosion wherein it deepens the valley as the water force grows? It is common in the upper stage when the gradient is steep.
A. Headward Erosion
B. Lateral Erosion
C. Transportation
D. Vertical Erosion
d. Vertical Erosion
It is the steepest angle of slope at which materials such as sediments are stable and
won’t move farther downslope.
A. Angle of Incidence
B. Plunge
C. Angle of Repose
D. Apparent Dip
c. Angle of Repose
At which location does water move the fastest?
A. Subsurface channels
B. Atmosphere
C. On surface drainages
D. In ice caps and glaciers
b. Atmosphere
What type of geochronological technique is dependent on the effects of physical
interactions with atoms in a crystal?
A. Radiation-effect method
B. Radioactive decay method
C. Radiometric method
D. Isotopic method
a. Radiation-effect method
Maximum temperature wherein Diagenesis can occur.
A. 180° C
B. 300° C
C. 200° C
D. 175° C
c. 200° C
A sedimentary rock formed when glacial till becomes lithified.
A. Calcilithite
B. Phyllarenite
C. Smectite
D. Tillite
d. Tillite
A ____________is a siliceous and/or aluminous material that in itself possesses little or no cementitious value but will chemically react with calcium hydroxide at ordinary temperatures to form compounds having cementitious properties
A. Calcarenite
B. Pozzolan
C. Tephrite
D. Zircon
b. Pozzolan
This theory suggests that topography is produced by crustal blocks with varying density
which terminates at uniform depth.
A. Airy’s Model of Isostasy
B. Wegener’s Theory of Continental Drift
C. Pratt’s Model of Isostasy
D. Hess’ Theory of Seafloor Spreading
c. Pratt’s Model of Isostasy
The process by which new minerals form in a sediment or sedimentary rock during or
after deposition.
A. Metamorphism
B. Paragenesis
C. Metagenesis
D. Authigenesis
d. Authigenesis
An unconformity in which the upper layers overlie metamorphic or igneous rocks.
A. Nonconformity
B. Paraconformity
C. Angular Conformity
D. Disconformity
a. Nonconformity
Product of extremely high-grade regional metamorphism, resulting into partial melting.
A. Blue Schist
B. Migmatite
C. Zeolite
D. Green Schist
b. Migmatite
Which process does not control weathering?
A. Weather
B. Climate
C. Rock type
D. Relief
a. Weather
______ are features within caves that are created by the removal of bedrock, rather than
as secondary deposits like stalactites and stalagmites
A. Dripstones
B. Speleogens
C. Speleothems
D. Flowstone
b. Speleogens
The ore-forming intrusion of the Atlas Porphyry Au-Cu deposit.
A. Diwata Diorite
B. Lepanto Metavolcanics
C. Lutopan Diorite
D. Dalupirip Schist
c. Lutopan Diorite
_________ uses a three-dimensional spherical surface to define locations on Earth.
A. Meridian
B. Geographic Coordinate System
C. Universal Transverse Mercator
D. Plate Caree Projection
b. Geographic Coordinate System
What type of metamorphism forms metamorphic rocks beneath mountain ranges (10km
or more) and are affected by movements of the Earth’s crust?
A. Contact Metamorphism
B. Dynamic Metamorphism
C. Prograde Metamorphism
D. Regional Metamorphism
d. Regional Metamorphism