Question

Which one of the following term NOT related to opencast mining ?

• A. Boxcut
• B. Highwall
• C. Crest
• D. Winze

Hint:

Opencast mining terms often describe surface features like benches, highwalls, crests, toes, and ramps.
Underground mining terms describe internal openings like shafts, adits, drifts, raises, and winzes.

Answer 1

The Correct Option is D

Step 1: Understanding the Question:
We need to identify the term from the list that is not used in the context of opencast (surface) mining but rather in underground mining.

Step 2: Detailed Explanation:
Let's define the terms:
-

Boxcut: This is the initial excavation made in an opencast mine to create a working face and a ramp for access when starting from a flat surface.
This is an opencast mining term.
-

Highwall: This is the unexcavated face or wall of an opencast pit, from the crest to the toe of a bench.
This is an opencast mining term.
-

Crest: This is the top edge of a bench or highwall in an opencast mine.
This is an opencast mining term.
-

Winze: As defined in a previous question, a winze is an

underground vertical or inclined opening driven

downwards to connect two levels.
This term has no application in opencast mining.

Step 3: Final Answer:
The term not related to opencast mining is "Winze".
This corresponds to option (D).