Applied Flashcards
What mineral is being sold as Zambales jade?
Garnet
Mineral resource has three categories. Which of the following is arranged according to increasing geological confidence?
inferred-indicated-measured
The largest Cr resource can be found in
Bushveld, South Africa
What mineral is ground together with cement clinker to produce finished cement
(Portland cement) which helps retard the settling time of cement?
Gypsum
The geophysical method best used for the exploration of disseminated ores is:
IP Method
The Philippine nickel resource is the biggest in Southeast Asia. This statement is:
False. It is Indonesia.
The Fareast porphyry copper deposit in Mankayan, Benguet is an example of:
Volcanogenic Massive Sulfide Deposits (VMS)
Epithermal deposits hosted in sedimentary rocks are ___-type:
Carlin-type
Massive sulfide deposits often contain substantial arsenic and gold, in addition to the copper, lead and zinc for which they are mined. This statement is:
True
Diamonds occur as accessory minerals in:
Kimberlite
This type of deposit is being mined in Acoje mine in Zambales
metallurgical chromite deposit
Zamboanga is an emerging district for copper-gold exploration. This statement is:
True
A method involving collecting and analyzing various types of geological materials or
certain biological materials for the delineation of mineralization is called ______
Geological assessment
Large pieces (>10 mesh) of placer deposits are called
Nuggets
What are formed near the top of granite intrusions, with mineralization occurring primarily as big quartz veins containing variable amounts of tin oxide or sulfide minerals.
Cupola
Which of the following can be found in placer deposits:
a. chromite
b. gold
c. platinum
d. diamond
Gold
A technique to measure the temperature (paleothermometer) that is based on how shiny the coal is:
Pollen color
Deposits formed by the invasion of the limestone or dolomite by hydrothermal fluids carrying the high metal concentrations outward from the intrusion are called______.
Skarn
Chromite deposits in ultramafic rocks are most likely products of:
Magmatic assimilation
____are those which are formed during crystallization of magma, deep underground.
Hydrothermal deposits
The “oil window” occurs within this temperature range:
60 to 175 degree celsius
The most appropriate geochemical method to analyze refractory elements is:
Colorimetry
The alluvial tin mineral mined in Thailand is:
Cassiterite
In gravity survey, ______is made to account for the topographic relief in the vicinity
of the gravity station
Terrain correction
Volcanic-related deposits that form at relatively low temperatures (100 to 300 deg C) and at very shallow depths are referred to:
Epithermal
The principal zone of oil formation is called:
Catagenesis
The free air correction is deemed positive if the gravity station is:
Above sea level
The uranium mineral, Uraninite found in Larap, Jose Panganiban, Camarines Norte is
associated with:
Skarn
Gravity base station must be reoccupied periodically within the day to correct for:
Time variations
Type of kerogen that forms mainly crude oil and derived from algae of marine, lacustrine or boghead coal environment
Type I
A type of kuroko ore characterized by concentrations of sphalerite and galena, usually much finer-grained than the minerals of a typical kuroko-type of ore.
Black ore
This type of “yellow ore” deposits occurs as abundant massive pyrite hosted in siliceous
tuffaceous rocks.
Kuroko ore
What are polymetallic sulfide rich deposits hosted in submarine volcanic and
sedimentary rocks
VMS deposits
Hydrothermally altered, acid leached rocks will generally register a:
a. Gravity high, magnetic low
b. Gravity high, magnetic high
c. Gravity high only; magnetics inconclusive
d. Gravity low, magnetic high
e. Gravity low, magnetic low
Gravity high only; magnetics inconclusive
The following is a pathfinder element useful in the exploration for porphyry copper
except: (Molybdenum, Gold, Silver, Zinc)
Zinc
A unit of measurement being used in magnetics is:
Milligal
Type of kerogen derived from the decomposition in reducing mostly marine
environment
Type II
Hydrothermal deposits that are thought to have been formed by warm water at great
distances from their source are:
Telothermal
The deepest hydrothermal deposit is known as:
Hypothermal
