Sentences with phrase «underground mines»

The miniature horse was bred originally to work in underground mines, pulling carts.

The citizens then discovered that the dump contained a 15 - foot - long opening that connected to a maze of underground mine tunnels.

Conducted research for underground mine studies and construction projects while serving as mining support backup as and when required.

A drone that can switch between flying and rolling could soon be exploring underground mines without the aid of a human pilot.

Coal is a fossil fuel extracted from the ground by underground mining or open - pit mining (strip mining).

[Be aware, though, most of these incremental resources would only be accessed via a new underground mining project].

Safety oriented professional with hands - on experience in underground mining, blasting and ground control projects.

In fact, the regulation of underground mines is an extremely technical and controversial subject.

By: Mia Breytenbach 14th October 2016 The strong performance of the rand gold price, increasingly lower gold grades mined in deeper underground mining operations, as well as costlier labour resources and electricity, are underscoring the attractiveness and accelerating the traction of local gold tailings retreatment operations,... →

This is illustrated by the Big Hole (pictured above)- which started as a hill before becoming an open - pit and underground mine with a one mile perimeter.

Large - scale ventilation systems are used to move air in and out of underground mine shafts.

3-05-1887 British Columbia's worst mine disaster takes 150 lives after an explosion in a deep underground mine at Nanaimo.

Come 2020, these experiments will run in deep underground mines, shielded from the cosmic radiation striking our planet's surface.

Open pit mining contractor MACA has mobilised the primary mining fleet at Matilda's M10 open pit, while underground mining contractor Pybar has started development of the high grade Golden Age ore deposit.

Most of the surface ores at Ekati and Diavik are exhausted; both moved to more expensive underground mining as they matured.

In recent decades, advances in technology — aided by low fuel costs and driven by the nation's voracious demand for energy — have allowed mining companies to extract coal more profitably than through traditional underground mining methods.

By: Simone Liedtke Updated 2 hours 54 minutes ago Gold miner Randgold Resources» Loulo - Gounkoto gold mining complex, in Mali, is still expanding, with the Gounkoto superpit and the new Baboto satellite pit joining the Yalea and Gara underground mines.

«Robotics researchers track autonomous underground mining vehicles.»

Join us in a discussion with leading researchers who smash together particles, dive into underground mines, and explore the edges of the known universe in search of clues to nature's dark side.

Coal mining has progressively changed from predominantly underground mining to surface mining [143], including mountaintop removal with valley fill, which is now widespread in the Appalachian ecoregion in the United States.

In Donkey Kong Country, the Kongs continue through a circuit of underground mines before reaching the Kremlings» factory, whereas in Rumble in the Jungle, the Kongs travel through the caves of a mountain in order to reach the factory in Big Ape City, which appears to be located near the center of Donkey Kong Island.

«The significance of research into rock mechanics to the mining industry is increasing as the life of a mine increase and underground mines become deeper,» Professor Villaescusa said.

The PEA contemplated a 10 - year underground mining operation with low cash operating costs driven by a high average underground gold grade of 5.32 g / T.

Perth mining contractor Barminco has won an extension to its contract with miner Western Areas to carry out $ 190 million of underground mining development and production activities at its Spotted Quoll and Flying Fox nickel mines.

Blackham Resources» profitable underground mining operation at the Matilda / Wiluna gold project has been extended for another six months and new studies suggest it could be harbouring even more high - grade ounces yet to be discovered.

Whilst underground mining accounts for less than 10 % of all gold mined by Blackham, it produces lucrative, free - milling ounces to supplement production from the Galaxy and M4 open pits.

Managing Director, Bryan Dixon, said: «Blackham has successfully added another six months to the Golden Age underground mine plan and is aiming to maintain a 6 to 12 month rolling mine plan going forward.

Curraghinalt will be operated using automation, mechanized underground mining methods and best - in - class processing.

OceanaGold announces that results from a diamond drilling program at Frasers Underground Mine have identified extensions to gold mineralisation down dip from current underground mining operations.

ASSESSING RISK The risk - based support design method is intended to address fall - of - ground - related risks in narrow tabular underground mines

That discovery began with a solar neutrino experiment led by physicist Ray Davis, performed in the 1960s in the same underground mine that will now house LBNF / DUNE.

QUT robotics researchers have developed new technology to equip underground mining vehicles to navigate autonomously through dust, camera blur and bad lighting.

Professor Milford said autonomous vehicles operating in underground mines relied on expensive sensing or infrastructure modifications.

MONGOLIA Oyu Tolgoi Phase 2: Plans, Issues and Risks An Overview of Oyu Tolgoi Phase 2 Mining Plans and some of the issues and risks associated with block cave underground mining, international metal price uncertainty, project power supply, and impacts on water resources used by herders.

It actually comes from a dirty underground mine in Pakistan, far from the Himalayas.

Filmed between a state - owned large - scale underground mine in the war - torn state of Serbia and an illegal mining collective in the tropical heat of Suriname, Good Luck is a visceral documentary portrait of hope and sacrifice in a time of global economic turmoil.

There are two general types of underground mining techniques:

You can't take a whiff without thinking of labor battles and underground mine explosions, of chugging smokestacks and black lung.

(2) For underground mines like West Elk, the climate impact is compounded by companies venting methane directly into the atmosphere during mining.

g The uncertainty of 20 percent refers only to underground mining ventilation systems; the uncertainty for surface mining is about 100 - 300 percent.

Several of these studies suggested that valley - fills and underground mine workings have the ability to retain water, which may account for less severe «peaks» during moderately severe storms.

In his role, he is responsible for the overall direction, management, and operations of the Lively Grove coal mine, the adjacent underground mine which feeds the Prairie State's power plant.

Since the 1970s, there has been an ongoing shift from eastern underground mines in Appalachia to heavily mechanized surface mining operations in Montana and Wyoming.

Some agencies decline to answer routine inquiries for documents such as Superfund reports and underground mine inspection reports, forcing reporters to file time - consuming FOIA requests for the information.

Its focus is to develop its 80 % - owned Kalana Main Project from a small underground mine into a low - cost, high - grade, open pit mining operation.