true width

true width

[′trü ′width]
(mining engineering)
The width of thickness of a vein or stratum as measured perpendicular to or normal to the dip and the strike; the true width is always the least width.
References in periodicals archive ?
Underground drilling will initially target gold mineralization to the southeast of the last underground drill station to follow up on positive results from previous drilling in 2004 and 2005 where three drill holes returned true width gold intersections of 31.
4m true width and drillhole DIS-13-35 with an intercept of 1.
The Talisker dyke is five to 10 metres true width that extends right up to surface.
The kimberlite has been intersected in five drill holes along the strike length of approximately 70 metres across with a five-metre true width and a depth of approximately 100 metres.
The intersection is nearly horizontal and is estimated to be nearly true width.
5 feet true width of high-grade gold/silver mineralization, listed above, within a broad fault zone (49.
Historic mining exploited shallow-dipping, one to two meter wide gold-bearing quartz veins, however the recent drilling has revealed the veins occur within wider shear zones, with an average true width of three to five meters.
The middle of the three holes (W06-17) intersected a zone of disseminated pyrrhotite and arsenopyrite over a true width of 7.
Geological observations and data from nearby drill holes indicate that the dyke has an estimated true width of 2.
One estimate using Gemcon software generated 50 m radius polygons projected onto a vertical longitudinal section with each polygon containing a sampled true width intercept.