diamond drill


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diamond drill

[′dī·mənd ‚dril]
(design engineering)
A drilling machine with a hollow, diamond-set bit for boring rock and yielding continuous and columnar rock samples.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

diamond drill

In exploratory drilling, a rotary drill having a coring bit which is studded with black diamonds.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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References in periodicals archive ?
Crystal Lake is very pleased by the performance of SwiftSure Diamond Drilling as their drill continues to turn on the first ever diamond drill holes at Burgundy Ridge.
Crystal Lake Mining Provides an Extensive Exploration Update on the Newmont Lake Project - Golden Triangle
Image starting at 172m in BRDDH19-013; the 7 [sup.th ] diamond drill hole at Burgundy Ridge.
Crystal Lake Mining Provides an Extensive Exploration Update on the Newmont Lake Project - Golden Triangle, Eskay Camp, Outlining 2 Major Target Areas for High-Grade Gold, Silver and Copper Systems
"High grade intercepts have continued, and the assay results from the last three diamond drill holes further demonstrate the significant potential of the Big Sandy project, and importantly, mineralisation remains open to the north, south and west," said Hawkstone Managing Director Paul Lloyd.
Thor Mining Reports High Grade Lithium Results At Big Sandy In US
The diamond drill will be used for around 10 of the 49 planned holes, and these 10 core holes will be distributed over the project area to provide representative metallurgical samples of the vanadium mineralisation.
Victory Metals starts Phase II, 10,000 metre drill program at Iron Point Vanadium Project
The major factor in determining of the diamond drill bit efficiency is the working part of the diamond drill bits.
The new designs of diamond drill bits for composite polymers tooling
Following the Westralia resource upgrade, Dacian completed a step-out diamond drill hole 100m north of the Millionaires Shoot resource boundary and intersected 11.3m @ 5.5g/t.
Dacian Gold Limited (ASX:DCN) Quarterly Activities and Cashflow Report
From 2014 through 2017, partner-funded exploration resulted in a total of 14 diamond drill holes and four Induced Polarization ("IP") surveys on the property.
Pacific Empire Minerals Announces Focus on its Pinnacle Porphyry Project
A significant programme of work has continued at the Winu camp in recent months with 180 people now on site and this release provides additional data on the intercepts for the eleven diamond drill holes reflecting drilling to the end of 2018.
Rio Tinto (NYSE:RIO) - Rio Tinto Exploration Update--Winu project -- 7/6/2019
Between 2016 and 2017, 294 NQ sized diamond drill holes with total length of 33,029 meters were accomplished.
Silvercorp Metals reports high-grade mineralization discovery in China
Results included 2.72g/t Au over 5m from 7-12m downhole including 7.8g/t Au over 1m and 12.35g/t Au over 0.5m in diamond drill hole SGRDD036 and 1.07g/t Au over 12m from 3-15m downhole including 4.93g/t over 0.6m in SGRDD037.
Sovereign Gold Company Limited (ASX:SOC) Rocky River Uralla IRGS Mineralisation Deepening and Widening
M2 EQUITYBITES-November 25, 2011-Corex Gold Corp announces launch of diamond drill programme on Santana Property, Mexico(C)2011 M2 COMMUNICATIONS http://www.m2.com
Corex Gold Corp announces launch of diamond drill programme on Santana Property, Mexico

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