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    Helping you Drill Better Serving the mining and drilling industry since 1890. Everything you need to know about drilling in our information hub and thought leadership portal. The Latest: Exploration CORING MAGAZINE'S EXCLUSIVE INTERVIEW WITH CHRIS HOPKINS, UNDERGROUND OPERATIONS, BOART LONGYEAR AUSTRALIA This article was originally published in Coring Magazine, Issue 13, 2020. 21 Questions […]

  • National Precast Concrete Association

    Renewal statements for 2022 membership dues and plant certification program fees were mailed Friday, Oct. 1, to all current members. This information also is available online at the myNPCA portal. Both renewals are due by Dec. 31. Plant certification fees for the coming year were approved by the NPCA Board of Directors with no increases.

  • Geodrill – A leading exploration drilling company

    in West Africa, North Africa and South America. Geodrill is a leading exploration drilling company with operations in six (6) countries and two (2) continents, namely: Ghana, Burkina Faso, Cote d'Ivoire, Mali in West Arica; Egypt in North Africa; and Peru in South America. With a fleet of 70 surface and underground drill rigs, Geodrill provides Reverse Circulation, Diamond Core, Deep Directional Navi Drilling, Air-Core, Grade Control, Geo-Tech and Water Borehole drilling services to major,

  • Photo Gallery | Lundin Gold Inc.

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    Native bees in your backyard. Colletes inaequalis is a solitary ground nesting bee that is very common in the northeastern and Midwestern region of North America. These bees are among the first ones to emerge as soon as the temperates start rising in the early spring.

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  • Strange but True: The Largest Organism on Earth Is a

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    These bases are basically large cities underground connected by high-speed magneto-leviton trains that have speeds up to Mach 2. Several books have been written about this activity. The average depth of these bases is over a mile, and they again are basically whole cities underground. They all are between 2.66 and 4.25 cubic miles in size.

  • Core Drilling Services | Diamond Drilling Company in London

    Diamond core drilling uses a rig mounted rotary drill fitted with a specialist cylindrical drill bit. The drill bit has diamond segments welded to its cutting surface. Due to their extreme strength diamonds are ideal for cutting into solid surfaces including reinforced concrete, masonry, tile, stone and asphalt.

  • Strange but True: The Largest Organism on Earth Is a Fungus

    The discovery of this giant Armillaria ostoyae in 1998 heralded a new record holder for the title of the world's largest known organism, believed by most to be the 110-foot- (33.5-meter-) long

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  • Where geothermal energy is found

    Use of hydrogen. Geothermal reservoirs are naturally occurring areas of hydrothermal resources. These reservoirs are deep underground and are largely undetectable above ground. Geothermal energy finds its way to the earth's surface in three ways: Volcanoes and fumaroles (holes in the earth where volcanic gases are released) Hot springs. Geysers.

  • View 112 Drill Rigs for Sale

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  • Operating Cost for Miners

    In the final stages a detailed bottom-up estimation based on first principles may be completed. This paper will investigate common methodologies of estimating operating costs for mines and present examples from actual operations and why those methods were selected. It will highlight why some methods are superior to others.

  • Drill Rigs | Rotary Blasthole Drills | |

    Drill Rigs. Building on the solid legacy of proven designs, today's ® Rotary Blasthole Drills offers substantial technology, efficiency and productivity improvements to efficiently reach your targeted productivity rates. Our newest models fully integrate designs, components and technologies, and every model delivers exactly what you

  • Basic data report for drillhole WIPP 30 (Waste Isolation Pilot Plant

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  • Mining Equipment

    We provide innovative mining equipment, consumables and services for drilling and rock excavation. Whether the application is surface and underground mining, infrastructure, civil works, well drilling or geotechnical, Mining and Rock Excavation Technique will ensure to increase customers' productivity.

  • Huge Underground "Ocean" Discovered Towards Earth's Core

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  • Mining Surplus | New and Used Mining Equipment features new and used mining equipment for sale from mining operations across Canada, the United States, South America, and Australia. profiles surface, mill plant process and underground mining equipment from copper, lead, zinc, gold and coal mining operations. Please use the search tools below to search our

  • Common Core Training | NORCAT Training

    NEW - Surface and Underground Diamond Drilling Common Core (#770200 & #770150). The Surface and Underground Diamond Driller Assistant Common Core Program was developed by NORCAT in compliance with the Ontario Ministry of Training, Colleges, and Universities (MLTSD) standards.