Discussion
A ...................... is a pipe-like body of breccia composed of fragments that are mainly derived from the neighboring country rock and also has rocks from stratigraphically higher and lower level mantle origin.
Answer: C
The body described is a diatreme.
A diatreme is a carrot-shaped volcanic pipe drilled through the crust by a gas-charged explosive eruption and filled with breccia. Most of its fragments are country rock from the walls, but it also contains blocks that have moved up or down from higher and lower stratigraphic levels and material of mantle origin, as in kimberlite pipes.
A maar is the broad, low crater that a diatreme may produce at the surface, not the pipe itself. Tuffisite is fine fragmental material injected as veins and dykes, and a stock is a small intrusion of crystallised magma, not a breccia.
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development