Match List - I with List - II. Choose the correct answer from the options given below :List - I
TextureList - II
RockA. Ophitic I. Syenite B. Trachytoid II. Dolerite C. Myrmekite III. Basalt D. Glomeroporphyritic IV. Granite
Matching Geological Textures and Rock Types
This section details the correct pairings between specific geological textures and igneous rock types based on their characteristic features.
Ophitic Texture Explained
The Ophitic texture is recognized by large pyroxene crystals that enclose smaller, lath-shaped plagioclase crystals. This texture is a hallmark of mafic rocks, particularly Dolerite.
Trachytoid Texture Explained
Trachytoid texture is defined by the parallel or subparallel alignment of elongate feldspar crystals, often creating a flow-like appearance. This texture is commonly associated with intermediate to felsic rocks like Syenite.
Myrmekite Texture Explained
Myrmekite texture is characterized by vermicular (worm-like) quartz intergrowths within plagioclase feldspar grains. It typically occurs at the grain boundaries between alkali feldspar and plagioclase, frequently found in felsic intrusive rocks such as Granite.
Glomeroporphyritic Texture Explained
Glomeroporphyritic texture consists of discrete aggregates or clusters of crystals of the same mineral. This texture can appear in various igneous rocks, including mafic volcanic rocks like Basalt, where phenocrysts may form clusters.
Summary of Texture-Rock Associations
| List - I (Texture) | List - II (Rock) |
|---|---|
| A. Ophitic | II. Dolerite |
| B. Trachytoid | I. Syenite |
| C. Myrmekite | IV. Granite |
| D. Glomeroporphyritic | III. Basalt |
Similar Questions
Match List - I with List - II.
List - I
Optical featureList - II
Optical diagramA. Wave front (isotropic) I. Ellipse B. Wave surface (isotropic) II. Sphere C. Wave front (anisotropic) III. ellipsoidal D. Wave surface (anisotropic) IV. circle Choose the correct answer from the options given below :
Match List - I with List - II.
List - I
Earth's Internal SegmentList - II
Approximate Average ThicknessA. Lithosphere I. 2 km B. Moho II. 105 km C. Core III. 2900 km D. Mantle IV. 3500 km Choose the correct answer from the options given below :
Match List - I with List - II.
List - I
Fold typeList - II
CharacteristicsA. Polyclinal folds I. Folds developed in many steps B. Fan folds II. Folds with variable axial surfaces C. Conjugate folds III. Folds in which axial surfaces dip towards each other D. Cross folds IV. Folds in which both the limbs are overturned Choose the correct answer from the options given below :
Match List - I with List - II.
List - I
Joint typeList - II
Stress typeA. Sheet joints I. Contractional B. Extension joints II. Residual C. Columnar joints III. Compressional D. Conjugate joints IV. Tensional Choose the correct answer from the options given below :
Match List - I with List - II.
List - I
DepositList - II
OriginA. Deluvium I. Deposits formed by mass wasting B. Eluvium II. Residual products of the breakdown of primary rocks C. Proluvium III. Residual products of the breakdown of mobile rocks D. Colluvium IV. Sediments deposited by mudflows and other flash flows Choose the correct answer from the options given below :
Match List - I with List - II.
List - I
Minaral ResourceList - II
PlaceA. Copper I. Ambadongar B. Lead and zinc II. Bastar C. Iron III. Zawar D. Fluorite IV. Khetri Choose the correct answer from the options given below :
Match List - I with List - II.
List - I
Mineral ResouceList - II
Stratigraphic UnitA. Copper and iron I. Damuda B. Petroleum II. Singhbhum C. Coal III. Eastern Ghat Khondalite D. Bauxite IV. Barail Choose the correct answer from the options given below :
On which of the following bases the Dharwar succession of Karnataka is divided into Lower and Upper Dharwar ?
A. Unconformity
B. Fossil evidence
C. Geochronological data
D. Economic mineralsChoose the correct answer from the options given below :
Schistosity forms due to :
A. Dynamothermal metamorphism
B. Contact metamorphism
C. Plutonic metamorphism
D. Thermal metamorphismChoose the correct answer from the options given below :
Match List - I with List - II.
List - I
FormList - II
Crystal SystemA. Sphenoid I. Trigonal B. Rhombohedron II. Monoclinic C. Scalenohedron III. Tetragonal D. Dome IV. Orthorhombic Choose the correct answer from the options given below :
Important Questions from Mixed Topic (CUET PG)
- Who was the founder of Bolshevik Communist party?
- What is the key guide to statecraft in the realist tradition?
- Chronologically arrange the events in the Cold War period.
A. Berlin Wall is constructed
B. Communist China joins the UN
C. Soviet invasion of Czechoslovakia
D. Berlin Blockade
Choose the correct answer from the options given below: Morgenthau's principles of political realism are:
A. Politics is rooted in permanent and unchanging human nature which is basically self centred, self-regarding and self-interested
B. Politics is an autonomous sphere of action and cannot therefore be reduced to morals
C. International Politics is an arena of conflicting self-interests
D. The ethics of international relations is situational ethics which is very different from private morality
Choose the correct answer from the options given below:Who among the following political thinkers consider the anarchical self help system to be a compelling factor for States to maximise their relative power positions?
