Question

The mode of access to the deposit present in a hilly terrain is

• A. Incline
• B. Shaft
• C. Adit
• D. Decline

Hint:

Associate the type of access with the terrain:
- Flat terrain, deep deposit $\rightarrow{}$ Shaft (vertical).
- Flat terrain, shallow deposit $\rightarrow{}$ Decline/Incline (sloped).
- Hilly/Mountainous terrain $\rightarrow{}$ Adit (horizontal).

Answer 1

The Correct Option is C

Step 1: Understanding the Question:
We need to identify the correct mining term for an access tunnel to a mineral deposit located inside a hill.

Step 2: Detailed Explanation:
Let's define the different types of mine access:
-

Shaft: A vertical tunnel from the surface to a deep deposit. Best for flat terrain.
-

Incline / Decline: Sloping tunnels. A decline goes down, an incline goes up.
-

Adit: A

horizontal or nearly horizontal tunnel driven into the side of a hill or mountain.
This method uses the topography to provide easy, level access for transport and drainage.
Given the "hilly terrain", an adit is the specific term for a horizontal entry into the hillside.

Step 3: Final Answer:
The mode of access to a deposit in a hilly terrain is an adit.
This corresponds to option (C).