Geology Quiz on Minerals and Metamorphism
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Questions and Answers

Which of the following minerals has a rhombohedral structure?

  • S.Fluorite
  • R.Calcite (correct)
  • Q.Galena
  • P.Diopside
  • The Earth's core composition closely matches that of iron meteorites.

    True

    Identify the least abundant sedimentary rock in the stratigraphic record.

    Conglomerate

    The structure that features a radiating fibrous aggregate of K-feldspar is called ______.

    <p>Core–mantle</p> Signup and view all the answers

    Match the sedimentary rocks to their characteristics.

    <p>Sandstone = Composed mainly of sand-sized particles Limestone = Primarily made from calcium carbonate Conglomerate = Contains rounded fragments larger than 2 mm Shale = Formed from compressing silt and clay-sized particles</p> Signup and view all the answers

    Which sequence represents the order of index minerals during increasing metamorphic grade of siliceous dolomitic limestones?

    <p>Clay minerals, Mica, Sillimanite</p> Signup and view all the answers

    Fluorite is characterized by a cubic crystal structure.

    <p>True</p> Signup and view all the answers

    What is the crystal structure of galena?

    <p>Cubic</p> Signup and view all the answers

    Which one of the following openings is a type of decline in underground mines?

    <p>Winze</p> Signup and view all the answers

    Which one of the following optic signs is CORRECT for a mineral with the given centered optic axis figure?

    <p>Uniaxial positive</p> Signup and view all the answers

    Match the following invertebrates in Group–I with their morphological features in Group–II.

    <p>P. Trilobite = 2. Hypostome Q. Brachiopod = 4. Lunule R. Bivalve = 1. Periproct S. Echinoid = 3. Deltidial plate</p> Signup and view all the answers

    During high-temperature metamorphism of pelites, which mineral reaction represents the second sillimanite isograd?

    <p>Staurolite + Muscovite + Quartz = Garnet + Biotite + Sillimanite + H2 O</p> Signup and view all the answers

    The diameter represents deviatoric stress in a 2D stress Mohr Circle.

    <p>False</p> Signup and view all the answers

    Identify the oldest stratigraphic unit in the fold profile section.

    <p>1</p> Signup and view all the answers

    In the context of geology, a structure formed by the compression of rock layers is called a ______.

    <p>fold</p> Signup and view all the answers

    Which of the following features is correctly matched with its invertebrate?

    <p>Q - 2 (Brachiopod - Hypostome)</p> Signup and view all the answers

    Which structure is associated with duplexes in fold-thrust belts?

    <p>Roof thrust</p> Signup and view all the answers

    Fjords are formed by aeolian activities.

    <p>False</p> Signup and view all the answers

    What type of environment leads to the formation of oxbow lakes?

    <p>fluvial environments</p> Signup and view all the answers

    The solubility product of barite (BaSO4) at 25 C and 1 bar is ________.

    <p>10^(-10)</p> Signup and view all the answers

    Match the sedimentary formations with their corresponding basins:

    <p>Ramgundam Sandstone = Chhattisgarh Raipur Formation = Kaladgi Bagalkot Group = Marwar Sonia Sandstone = Unknown</p> Signup and view all the answers

    What is the required support pressure to stabilize the loose blocks of the Excavation Disturbed Zone (EDZ)?

    <p>20 kPa</p> Signup and view all the answers

    The drainage density of a basin is represented by the total length of ________ divided by the total area of the basin.

    <p>drainages</p> Signup and view all the answers

    If the working capacity of a rock bolt is 160 kN, what is the area supported by it when stabilizing the EDZ?

    <p>area in m²</p> Signup and view all the answers

    Which one among the following is the oldest horse genus?

    <p>Orohippus</p> Signup and view all the answers

    Talc is located at the oldest position in the series Tremolite → Diopside → Talc.

    <p>False</p> Signup and view all the answers

    What texture is called the chalcopyrite disease?

    <p>Chalcopyrite blebs in sphalerite</p> Signup and view all the answers

    Which word appropriately completes the analogy [break → raze → ________ ]?

    <p>obliterate</p> Signup and view all the answers

    The measured plate velocity is maximum at _______ on the Indian Plate.

    <p>Maldives</p> Signup and view all the answers

    What is the number of houses on each side of the road if the difference in sum is 27?

    <p>26</p> Signup and view all the answers

    Which of the following textures is associated with chalcopyrite disease?

    <p>Chalcopyrite blebs in sphalerite</p> Signup and view all the answers

    For positive integers $p$ and $q$, with $p/q ≠ 1$, which expression is correct?

    <p>$q^p = p q$</p> Signup and view all the answers

    Match the following volcanic formations to their correct ages:

    <p>Bijli = Youngest Rajmahal = Middle age Malani = Oldest Deccan = Youngest</p> Signup and view all the answers

    Determine a possible value of x in the sequence 3, 7, 15, x, 63, 127, 255.

    <p>31</p> Signup and view all the answers

    Which of the following sedimentary basins is producing hydrocarbons commercially?

    <p>Krishna–Godavari</p> Signup and view all the answers

    How many times will the second-hand and the minute-hand of a clock cross each other from 12:05:00 to 12:55:00?

    <p>50</p> Signup and view all the answers

    Peridotite hosted Cr deposits are formed by fractional crystallization of magma.

    <p>True</p> Signup and view all the answers

    The sequence increments by powers of ___.

    <p>2</p> Signup and view all the answers

    The sequence 3, 7, 15, 31 consists entirely of prime numbers.

    <p>False</p> Signup and view all the answers

    Match the terms with their definitions:

    <p>obliterate = To destroy completely fracture = To break or cause to break fissure = A narrow opening or crack simmer = To cook just below boiling point</p> Signup and view all the answers

    What is the trend indicated by arrows that corresponds to the evolution of the residual melt composition during crystallization of diopside?

    <p>I</p> Signup and view all the answers

    The Wilson Cycle in Plate Tectonics terminates with ocean-continent subduction.

    <p>False</p> Signup and view all the answers

    What term is used to refer to the fraction of the incident electromagnetic energy reflected from a material?

    <p>albedo</p> Signup and view all the answers

    Khetri is associated with the rock type _____ schist and soda–granite.

    <p>chlorite–biotite</p> Signup and view all the answers

    Match the following copper deposits with their host rocks:

    <p>Khetri = Chlorite–biotite schist and soda–granite Mosabani = Garnetiferous chlorite schist Malanjkhand = Tonalite–granodiorite–granite Kalyadi = Metachert</p> Signup and view all the answers

    Which event represents the termination of the Wilson Cycle in Plate Tectonics?

    <p>Continent–continent collision</p> Signup and view all the answers

    The albedo of a material increases as it reflects more electromagnetic energy.

    <p>True</p> Signup and view all the answers

    Name one group of host rocks associated with the Mosabani copper deposit.

    <p>Garnetiferous chlorite schist</p> Signup and view all the answers

    Study Notes

    General Aptitude (GA) - GATE 2024

    • Q1: If "→" indicates increasing intensity, the analogy for [simmer → seethe → smolder] is [break → raze → obliterate]

    • Q2: In a locality, house numbers on one side of a road are consecutive odd numbers starting from 301, and the other side's house numbers are consecutive even numbers starting from 302. The total number of houses on both sides is equal. If the difference in the sum of the house numbers on both sides is 27, then the number of houses on each side of the road is 52.

    • Q3: Given Ta = p(q⁻¹), q ≠ 1, then qp⁻¹ = p⁻¹(-1). The answer is √a = √p

    • Q4: In the sequence 3, 7, 15, x, 63, 127, 255, a possible value for x is 31.

    • Q5: Between 12:05:00 and 12:55:00, the second hand and the minute hand of a clock will cross each other 51 times.

    • Q6: The best match for the blanks in the text about athletics at the Athenian arena to modern Olympic stadiums are given as follows:

      • (i) holds
      • (ii) wait
      • (iii) culminates
      • (iv) pivots
    • Q7: Three indistinguishable sets of twins are seated at a circular table with 8 identical chairs. Unique seating arrangements where each person sits next to their twin are 14.

    • Q8: Among T1, T2, T3, and T4, T1 technology has the highest capacity factor. (data needed to calculate).

    • Q9: The maximum number of crosses possible in the empty column is 3.

    • Q10: The ratio of Earth-Sun distance to Earth-Moon distance during a half-moon phase, given an angle of 89.85°, is approximately 328.

    • Q11: The Earth's magnetic field originates in the outer core.

    • Q12: A caliper is used to measure the diameter of a borehole.

    • Q13: The given array in DC resistivity surveys corresponds to the Wenner configuration.

    • Q14: Granite is an ultramic rock

    • Q15: Gold is produced from the Jaduguda mine in India.

    • Q16: The Tapti hydrocarbon field is located in the western offshore of India

    • Q17: The Young's modulus of the granite sample is 57 GPa

    • **Q18:**The P-phase corresponding to the presented ray path is PKP

    • Q19: Matching geophysical methods in Group I to their physical properties in Group II:

      • P - 3 (Magnetic - Susceptibility)
      • Q - 4 (Gravity - Density)
      • R - 2 (Magnetotelluric - Electrical conductivity)
      • S - 1 (Induced polarization - Chargeability)
    • Q20: A tetrahedron has 4 planes of symmetry.

    • Q21: The Quaternary Period includes the Holocene and Pleistocene Epochs.

    • Q22: Olivine, Quartz, and Albite have an O:Si ratio of 4:1 in their silicate structures. Diopside does not.

    • Q23: Antiform and Syncline are fold structures in rock formations.

    • Q24: The radiogenic heat production in the crustal layer is 32 µW/m³.

    • Q25: The transmissivity of the aquifer is approximately 2767.98 m²/day

    • Q26: The magnitude of the electric field measured along the length of the rod is 200 V/m.

    • Q27: The lineation observed on a foliation with attitude 210°, 40° NW is 40° → 350°.

    • Q28: Matching minerals (Group I) to cleavage types (Group II):

    • P - 3 (Diopside - Prismatic)

    • Q - 1 (Fluorite - Cubic)

    • R - 4 (Galena - Rhombodroidal)

    • S - 2 (Calcite - Rhombohedral)

    • Q29: The composition of iron meteorites closely matches Bulk Silicate Earth.

    • Q 30: Match the microstructures in Group I with their characteristics in Group II (Data Needed to answer)

    • Q31: Shale is the least abundant sedimentary rock.

    • Q32: The sequence of increasing metamorphic grade is Talc → Tremolite → Diopside

    • Q33: Orohippus is the oldest horse genus.

    • Q34: The measured plate velocity in the Indian Plate is maximum at Delhi.

    • Q35: The chalcopyrite disease is described as Chalcopyrite lamellae in bornite

    • Q36: The volcanics are in this order from oldest to youngest: Bijli → Rajmahal → Malani → Deccan

    • Q37: Komatiite hosted Ni-Cu and Leucogranite hosted U are formed by fractional crystallization of magma.

    • Q38: Ganga, Krishna-Godavari, and Kaveri are commercially important sedimentary basins.

    • Q39: Aspergillum, and Tellina are swimmers

    • Q40: Roof thrust, Floor thrust, Imbricate fan, and Horse are rock structures associated with duplexes in fold-thrust belts.

    • Q41: Karst topography forms in limestone terrains, Oxbow lakes are formed in fluvial environments.

    • Q42: The value of X in the equation is 5.

    • Q43: The area of the roof supported by a single rock bolt is 8 m².

    • Q44: The total length of drainages is 40 km.

    • Q45: Matching stratigraphic units (Group I) with sedimentary basins (Group II)

      • P - 1 (Ramgundam Sandstone - Chhattisgarh)
      • Q - 2 (Raipur Formation - Kaladgi)
      • R- 4 (Bagalkot Group - Marwar)
      • S- 3(Sonia Sandstone - Son-Indus)
    • Q46: A crosscut is a type of decline in underground mines

    • Q47: The optic sign for a mineral with the given centered optic axis figure is uniaxial positive.

    • Q48: Matching invertebrates in Group I with morphological features in Group II:

      • P-2 (Trilobite - Hypostome)
      • Q-4 (Brachiopod - Lunule)
      • R-1 (Bivalve - Deltidial plate)
      • S-3 (Echinoid - Periproct)
    • Q49: The mineral reaction representing the second sillimanite isograd is Muscovite + Quartz = Sillimanite + K – feldspar + H₂O

    • Q50: The deviatoric stress in 2D stress Mohr circle is represented by the radius.

    • Q51: In the given fold profile, the fold structure is an antiform facing east.

    • Q52: The trend indicated by the arrow (during equilibrium crystallization of diopside) is I.

    • Q53: Matching copper deposits in Group I with host rocks in Group II:

    •  P- 2 (Khetri - Garnetiferous chlorite schist)

    • Q-1 (Mosabani - Chlorite-biotite schist and soda-granite)

    • R- 4 (Malanjkhand - Tonalite-granodiorite-granite)

    • S-3 (Kalyadi - Meta chert)

    • Q54: Continental-continent collision represents the termination of the Wilson cycle.

    • Q55: The fraction of incident electromagnetic energy reflected from a material is called albedo.

    • Q56: Both replacement and exhalative ores are possible in SEDEX type deposits; Orogenic gold deposits are epigenetic.

    • Q57: Ladder-back ripples and rain prints are found in intertidal deposits

    • Q58: Conodont and Illite can be used for source rock maturation estimates according to color.

    • Q59: The Bababudan schist belt is located to the east of the Closepet Granite in southern India.

    • Q60: The initial liquid composition is 60 wt.% of P and 40 wt.% of Q; the composition of the solid in equilibrium with the liquid at Y is 10wt% of P and 90wt% of Q; the bulk composition of the final solid product during equilibrium crystallization is 40wt.% of P and 60wt.% of Q.

    • Q61: M-plane pole of a fault is located on the fault plane. Also, it is perpendicular to the slickenline on the fault plane.

    • Q62: Miliammina is a microfossil.

    • Q63: The minimum value for pore water pressure (pw) that would cause failure in situ, given the stress condition, is approximately 6.96 MPa.

    • Q64: The calculated age of the gabbro is approximately 41 million years (round figure).

    • Q65: The effective hydraulic conductivity of the soil mass is 2.4x10⁻¹ cm/s or 0.24 cm/s( or 2.3)

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    Test your knowledge on minerals, their structures, and properties in this geology quiz. You'll explore topics including sedimentary rocks, metamorphism, and mineral characteristics, making it perfect for students of earth sciences. Dive into the fascinating world of geology and see how well you understand these concepts!

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