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.

diamond drill

In exploratory drilling, a rotary drill having a coring bit which is studded with black diamonds.
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.
"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.
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.
The major factor in determining of the diamond drill bit efficiency is the working part of the diamond drill bits.
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.
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.
is pleased to report results from its phase two diamond drill program at the Amalia Gold-Silver Project in Chihuahua, Mexico.
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.
Between 2016 and 2017, 294 NQ sized diamond drill holes with total length of 33,029 meters were accomplished.
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.
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