Topic 8 Flashcards
Occurs as a retrogressive (reverse) process where pyroxene/ augite alters to Hornblende often due to the influence of fluids at moderate temperatures.
a. Serpentinization
b. Biotitization
c. Saussuritization
d. Uralitization
d. Uralitization
Sapphire is typically a blue variety of what mineral?
a. Topaz
b. Beryl
c. Corundum
d. Quartz
c. Corundum
Ruby is a very distinctive variety of Corundum due to its pink to blood red appearance. Its color was mainly due to _______.
a. Iron
b. Vanadium
c. Chromium
d. Copper
c. Chromium
Where was the most rarest mineral on Earth found?
a. Mogol, Malaysia
b. Mogol, Myanmar
c. Mogok, Malaysia
d. Mogok, Myanmar
d. Mogok, Myanmar
Which of the following is NOT one of the eight most abundant elements in the Earth’s crust?
a) Oxygen
b) Manganese
c) Magnesium
d) Potassium use
b) Manganese
Which of the following particles has a negative charge?
a) Proton
b) Neutron
c) Electron
d) Isotope
c) Electron
Which of the following best describes an anion?
a) An atom that has lost electrons and has a positive charge.
b) An atom that has gained electrons and has a negative charge.
c) An atom that has the same number of protons and neutrons.
d) An atom that has a different number of neutrons than its other isotopes.
b) An atom that has gained electrons and has a negative charge.
What is the difference between an anion and a cation?
a) Anions have gained electrons, while cations have lost electrons.
b) Anions have lost electrons, while cations have gained electrons.
c) Anions have more protons than neutrons, while cations have more neutrons than protons.
d) Anions have more neutrons than protons, while cations have more protons than neutrons.
a) Anions have gained electrons, while cations have lost electrons.
Supergene zones in order from top to bottom.
a. Gosan, Leached, Oxidized, Erosion, Primary
b. Gossan, Leached, Oxidized, Erosion, Primary
c. Gosan, Leached, Oxidized, Enriched, Primary
d. Gossan, Leached, Oxidized, Enriched, Primary
d. Gossan, Leached, Oxidized, Enriched, Primary
Iron-rich sedimentary rocks are composed of ______ iron.
a. < 15%
b. ≥ 15%
c. > 15%
d. ≤ 15%
c. > 15%
Perlite is the evidence of this process.
a. Laterization
b. Devitrification
c. Diagenesis
d. Lithification
b. Devitrification
Diagenesis is a process that takes place after deposition and before metamorphism. Includes ______, ______, and ______.
a. compaction, cementation, dissolution
b. compaction, contraction, solution
c. compaction, contraction, dissolution
d. compaction, cementation, solution.
a. compaction, cementation, dissolution
Which type of bonding is characterized by weak electrostatic forces holding sheets of covalently bonded atoms together?
a) Metallic Bonding
b) Van der Waals Bonding
c) Ionic Bonding
d) Covalent Bonding
d.) SiO2
b) Van der Waals Bonding
What simple copper carbonate is not known to exist in nature?
a.) Cu2CO3
b.) CuCO2
c.) CuCO3
d.) Cu2CO2
c.) CuCO3
A type of fumarole, the gases of which are characteristically sulfurous.
a.) Sulfattara
b.) Sulfatara
c.) Solfattara
d.) Solfatara
d.) Solfatara
This environment is vital for oil shale formation due to its high organic productivity and anoxic conditions that preserve and transform organic matter into kerogen
Swamps
A thin layer of metal oxide that protects the material from corrosion, and other environmental hazards
Oxide coating
It is a mechanical deformation along fault zones
Dynamic Metamorphism
It is considered as the most rarest mineral on Earth
Kyawthuite
Also known as “green sand.”
Glauconite
Devitrification is derived from the Latin ______, meaning glassy and transparent
vitreus
Laterite is derived from the Latin word “______” which means brick
later
BIF is an acronym for ______.
Banded Iron Formations
Chemical processes and reactions that govern the composition of rocks and soils
Geochemistry
It is the smallest quantity of a compound
Molecule
Minerals formed from gaseous to solid state
Sublimation Minerals
Non-silicate minerals are made up __ of the Earth’s crust
5%
Minerals that have economic value
Ore Minerals
Chalcopyrite (CuFeS2) is being converted into Copper Sulphate (CuSO4) through what process?
Oxidation
It is a famous exotic mineral due to its color changing properties depending on lighting
Alexandrite
