pit sampling

pit sampling

[′pit ‚sam·pliŋ]
(mining engineering)
Using small untimbered pits to gain access to shallow alluvial deposits or ore dumps for purpose of testing or valuation.
References in periodicals archive ?
Trenching and test pit sampling work completed by joint venture partner Demetra Minerals Inc.
It listed all chemicals detected in burn pit sampling regardless of whether they were detected at levels below health concern levels.
The data from the Balad burn pit sampling effort was used in a quantitative screening human health risk assessment, using the Human Health Risk Assessment Guidance for Superfund methodology outlined by the US Environmental Protection Agency (EPA).
Historic workings were concentrated in the outcropping position of the head of the southward-plunging, structurally thickened and sheared Standby syncline, within Rochford iron formation.Indications from historic pit sampling and from underground sampling are that the poorly explored trough of the syncline, and particularly the west limb of the syncline, host higher concentrations, yet these areas have not been explored to depth along the plunge of the Standby syncline and its associated major shear structures.
Other exploration activities in Rio Negro and Chubut Provinces throughout the year will cover geophysics, auger and pit sampling, water sampling and mapping.