diamond coring

diamond coring

[′dī·mənd ′kȯr·iŋ]
(engineering)
Obtaining core samples of rock by using a diamond drill.
References in periodicals archive ?
Diamond coring bits are widely used in the exploration phase of the mining industry.
UMX Diamond Bits are a versatile line of diamond coring bits that uses patent-pending technology.
The Stage 2 drilling programme will consist of 8 diamond drill holes, totalling 155m of RC pre-collars and 925m of NQ diamond coring and as per the Agreement will be funded 50:50 by Exterra and PnP.
Two [euro]6,200 Hilti DD350 diamond coring drills with kit worth another [euro]87,000 were taken from premises being demolished in Fetter Lane last December 11.
During the term of the agreement, Boart Longyear will install around 16 rigs at these sites and provide a variety of drilling techniques, including diamond coring (semi-automated hands-free), reverse circulation and rotary rigs for mine dewatering.
Pursuant to the contract Boart Longyear will deploy at least 16 rigs at these sites and provide a variety of drilling techniques, including diamond coring (semi-automated hands-free), reverse circulation and rotary rigs for mine dewatering.
During the life of the contract, Boart Longyear will deploy at least seven rigs at the site and provide a variety of drilling techniques, including deep diamond coring, reverse circulation, and rotary rigs for mine dewatering.
It recently bought three additional diamond coring rigs which are being refurbished to be used in a surface drilling programme that will cover an area of more than 150 [km.sup.2].
Xcalibre Equipment Ltd design and manufacture high quality, hydraulically powered diamond coring trailers, diamond drilling rigs, drill stands, hand held diamond core drills and power packs for civil and marine engineering and construction industries.
Today, Atlas Copco Exploration Products is the main production plant for Christensen and Boyles' range of underground and surface drill rigs, the Tuff Line of drill rod products and the Hobic range of diamond coring bits.
The results from Legs 106, 109, 118, and TABULAR DATA OMITTED 147, together with advice from the mining drilling industry, led ODP to develop a slimhole high-speed coring system, named the Diamond Coring System or "DCS."
The Stage 1 drilling programme consisted of 9 diamond core tail drill holes, totalling 475m of RC pre-collars and 1,119m of NQ diamond coring. Lodes were intersected generally where expected and with visible gold recorded in most holes.