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EIA test one
Earth In Action first test spring 2011 chadhurri
35
Geology
Undergraduate 1
01/20/2011

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Term
The most abundant chemical element in the CRUST is:
Definition
oxygen
Term
Among the different major chemical elements which make up the CRUST, which one has its ions with negative charges:
Definition
oxygen
Term
Which one among the following common crustal chemical elements has the largest ionic radius:
Definition
calcium
Term
Which one among the following common crustal chemical elements has more than one type of ionic charge?
Definition
iron
Term
Isotopes of a given chemical element are:
Definition
atoms with different numbers of neutron
Term
Isotopes of a given chemical element in a mineral have
Definition
different bond strengths
Term
Which one among the following elements has all its isotopes that are stable (skip)
Definition
uranium; potassium; carbon; oxygen (skip)
Term
Minerals are generally classified into groups based on their
Definition
anions
Term
which one of the following minerals could be a source of carbon dioxide to the atmosphere
Definition
calcite
Term
the following is an oxide mineral
Definition
hematite
Term
the most common iron-rich mineral in soils is
Definition
goethite
Term
the following is the most common silicate mineral in soils
Definition
quartz
Term
the following mineral is a source of phosphorous and is found in animal teeth and bones
Definition
apatite
Term
which one of the following minerals in soils has its origin primarily from the alteration of feldspar
Definition
clay mineral
Term
which one of the following minerals appears to be not present in lunar rocks, suggesting that the moon is largely devoid of water
Definition
clay mineral
Term
all physical properties of a given mineral are a reflection of
Definition
internal arrangement of the chemical constituents
Term
A solid is not considered to be a mineral unless
Definition
its chemical constituents are arranged in a definite order
Term
the following mineral is essentially of hydrous aluminum silicate composition
Definition
clay mineral
Term
which one of the following is a common potassium-bearing mineral
Definition
orthoclase feldspar
Term
many continue to maintain that radioactive waste could be safely stored in salt beds. These geological salt beds, known as evaporative deposits, consist of
Definition
halite
Term
the most abundant mineral in the CRUST is
Definition
feldspar
Term
The following is NOT an iron-magnesium bearing mineral
Definition
feldspar
Term
The following mineral by its presence in water can cause the water to be acidic
Definition
pyrite
Term
the following mineral can decrease the acidity of waters
Definition
calcite
Term
the following mineral has a very high swelling ability
Definition
clay mineral
Term
the following mineral suggests that the environment in which it formed was deficient in oxygen
Definition
pyrite
Term
which one of the following minerals is hydrous in composition
Definition
gypsum
Term
REplacement or substitution of a chemical element by another in the structure of a mineral could be possible provided
Definition
the ions of the elements involved are nearly similar in size and charge
Term
coral reefs consist primarily of
Definition
calcite
Term
diatoms, grass blades, and several other biological materials precipitate the following mineral
Definition
opal
Term
an example of a sulfide mineral is
Definition
galena
Term
the following is a carbonate mineral
Definition
dolomite
Term
red color of ruby, whose composition is largely aluminum oxide, is due to the presence of a small amount, estimated to be less than 1% of
Definition
chromium
Term
Some chemical compounds can occur in nature in different forms and hence produce distinctly different minerals. The following pair illustrates such an occurance
Definition
calcite and aragonite
Term
which one of the following minerals has natural occurrence with a large total surface area, enabling the mineral to be highly reactive with its immediate environment
Definition
clay mineral
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