FAQ: How Hot Is It In The Deepest Mine?

The rock face temperature reaches 60 °C (140 °F). By 2008, the mine reached 3.9 km (2.4 mi) underground. This made it the deepest mine in the world, surpassing the 3.5 km (2.2 mi) deep East Rand Mine by a considerable margin.

TauTona Mine.

Website AngloGold Ashanti website


How hot are underground mines?

The temperature of the rock reaches 66 °C (151 °F), and the mine pumps slurry ice underground to cool the tunnel air below 30 °C (86 °F). A mixture of concrete, water, and rock is packed into excavated areas, which further acts as an insulator.

How hot is the deepest gold mine?

Mponeng currently holds records as the world’s deepest gold mine and the world’s deepest mine, with depths reaching over 4.0 km below the surface. Because temperatures can reach up to 150°F in the mine at such depths, an ice slurry must be pumped into Mponeng to maintain temperatures that can be withstood by humans.

Why is it so hot in a deep mine?

Deep underground mines are “hot” work sites because of the heat from the rock itself. Ground water flowing through hot rock formations becomes hot and adds to the air temperature. Activities like drilling, blasting, and welding add to the heat load put on miners, on the surface and underground.

How hot is it in a gold mine?

The mine is a dangerous place to work, with an average of five miners dying in accidents each year. The mine is so deep that temperatures in the mine can rise to life-threatening levels. Air-conditioning equipment is used to cool the mine from 55 °C (131 °F) down to a more tolerable 28 °C (82 °F).

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How hot are diamond mines?

A diamond is made of highly organized carbon and is one of the hardest substance found in nature. For a diamond to be created naturally, extremely high temperature and pressure is required. Geologists believe that the process involves deeply buried carbon which is heated to around 1200 degrees Celsius.

Where is the deepest mine of the Earth found?

AngloGold Ashanti’s Mponeng gold mine, located south-west of Johannesburg in South Africa, is currently the deepest mine in the world. The operating depth at Mponeng mine ranged from between 3.16km to 3.84km below the surface by the end of 2018.

Who reached Mariana Trench?

The first and only time humans descended into the Challenger Deep was more than 50 years ago. In 1960, Jacques Piccard and Navy Lt. Don Walsh reached this goal in a U.S. Navy submersible, a bathyscaphe called the Trieste.

How cold is underground?

“The temperature of the Earth down 20 or 30 feet is a relatively constant number year-round, somewhere between 50 and 60 degrees” F, says John Kelly, the COO of the Geothermal Exchange Organization, a nonprofit trade organization in Washington, D.C., that lobbies for wider adoption of the technology.

Does it get colder the deeper you dig?

No, it is not true that necessarily the deeper you get the cooler it gets. For really deep holes it is actually the opposite, the deeper you get the warmer the temperature gets. This is called the Geothermal Gradient. This states that temperature goes up 25C per 1KM of depth.

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Does it get warmer the deeper you go?

Water gets colder with depth because cold, salty ocean water sinks to the bottom of the ocean basins below the less dense warmer water near the surface.

What is the depth of Mariana Trench?

Then explain to students that the Mariana Trench is the deepest part of the ocean and the deepest location on Earth. It is 11,034 meters (36,201 feet) deep, which is almost 7 miles.

What is world’s deepest mine?

The Mponeng gold mine located in the Gauteng province of South Africa is the deepest operating mine in the world. It is the last remaining underground operation by AngloGold Ashanti in South Africa.

How deep is gold in the ground?

There is no specific depth at which gold can be found. Examples of this are the Welcome Stranger – the largest gold nugget ever found – which was retrieved at only 3cm (1.18in) below the surface. Oppositely, gold mining operations today take place at a depth of around 3km (1.8 miles) under the Earth’s surface.