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Correl > Applied > Flashcards

Applied Flashcards

1
Q

What mineral is being sold as Zambales jade?

A

Garnet

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2
Q

Mineral resource has three categories. Which of the following is arranged according to increasing geological confidence?

A

inferred-indicated-measured

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3
Q

The largest Cr resource can be found in

A

Bushveld, South Africa

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4
Q

What mineral is ground together with cement clinker to produce finished cement
(Portland cement) which helps retard the settling time of cement?

A

Gypsum

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5
Q

The geophysical method best used for the exploration of disseminated ores is:

A

IP Method

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6
Q

The Philippine nickel resource is the biggest in Southeast Asia. This statement is:

A

False. It is Indonesia.

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7
Q

The Fareast porphyry copper deposit in Mankayan, Benguet is an example of:

A

Volcanogenic Massive Sulfide Deposits (VMS)

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8
Q

Epithermal deposits hosted in sedimentary rocks are ___-type:

A

Carlin-type

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9
Q

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:

A

True

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10
Q

Diamonds occur as accessory minerals in:

A

Kimberlite

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11
Q

This type of deposit is being mined in Acoje mine in Zambales

A

metallurgical chromite deposit

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12
Q

Zamboanga is an emerging district for copper-gold exploration. This statement is:

A

True

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13
Q

A method involving collecting and analyzing various types of geological materials or
certain biological materials for the delineation of mineralization is called ______

A

Geological assessment

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14
Q

Large pieces (>10 mesh) of placer deposits are called

A

Nuggets

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15
Q

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.

A

Cupola

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16
Q

Which of the following can be found in placer deposits:
a. chromite
b. gold
c. platinum
d. diamond

A

Gold

17
Q

A technique to measure the temperature (paleothermometer) that is based on how shiny the coal is:

A

Pollen color

18
Q

Deposits formed by the invasion of the limestone or dolomite by hydrothermal fluids carrying the high metal concentrations outward from the intrusion are called______.

A

Skarn

19
Q

Chromite deposits in ultramafic rocks are most likely products of:

A

Magmatic assimilation

20
Q

____are those which are formed during crystallization of magma, deep underground.

A

Hydrothermal deposits

21
Q

The “oil window” occurs within this temperature range:

A

60 to 175 degree celsius

22
Q

The most appropriate geochemical method to analyze refractory elements is:

A

Colorimetry

23
Q

The alluvial tin mineral mined in Thailand is:

A

Cassiterite

24
Q

In gravity survey, ______is made to account for the topographic relief in the vicinity
of the gravity station

A

Terrain correction

25
Q

Volcanic-related deposits that form at relatively low temperatures (100 to 300 deg C) and at very shallow depths are referred to:

A

Epithermal

26
Q

The principal zone of oil formation is called:

A

Catagenesis

27
Q

The free air correction is deemed positive if the gravity station is:

A

Above sea level

28
Q

The uranium mineral, Uraninite found in Larap, Jose Panganiban, Camarines Norte is
associated with:

A

Skarn

29
Q

Gravity base station must be reoccupied periodically within the day to correct for:

A

Time variations

30
Q

Type of kerogen that forms mainly crude oil and derived from algae of marine, lacustrine or boghead coal environment

A

Type I

31
Q

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.

A

Black ore

32
Q

This type of “yellow ore” deposits occurs as abundant massive pyrite hosted in siliceous
tuffaceous rocks.

A

Kuroko ore

33
Q

What are polymetallic sulfide rich deposits hosted in submarine volcanic and
sedimentary rocks

A

VMS deposits

34
Q

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

A

Gravity high only; magnetics inconclusive

35
Q

The following is a pathfinder element useful in the exploration for porphyry copper
except: (Molybdenum, Gold, Silver, Zinc)

A

Zinc

36
Q

A unit of measurement being used in magnetics is:

A

Milligal

37
Q

Type of kerogen derived from the decomposition in reducing mostly marine
environment

A

Type II

38
Q

Hydrothermal deposits that are thought to have been formed by warm water at great
distances from their source are:

A

Telothermal

39
Q

The deepest hydrothermal deposit is known as:

A

Hypothermal

Correl (18 decks)

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