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.
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).
In addition, a broader based program of back-hoe supported pit sampling was completed along a distance of 10.
Previous soil, auger, and pit sampling on the concessions have yielded excellent indications of gold concentrations inferring a resource base in excess of 300,000 ounces of gold (cutoff grade 0.
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.
Contingent on finalizing its feasibility certification to its lender, Golden Eagle's mine plan calls for the use of data gathered from 265 auger drilling and shaft-style pit sampling sites, as well as 4 months of confirmation pilot operations, to focus its initial mining on several high-grade areas identified within the C Zone.
Now, the trenching program will link several of these pit sampling sites to illustrate inter-site consistency and create parameters to assist in building credible models for potential open pit mining.
Other exploration activities in Rio Negro and Chubut Provinces throughout the year will cover geophysics, auger and pit sampling, water sampling and mapping.
Intensive channel sampling, pit sampling and power auger drilling confirmed wide zones of stockwork mineralization hosted within the underlying Precambrian host rocks.
The company plans to test along the existing grid area involving additional bulk sampling of laterite, saprolite and the presumed barren quartzite as well as further Paititi pit sampling.
Soil pit sampling and over 100 trenches opened multiple targets with the most exciting being camp No.
TORONTO--(BUSINESS WIRE)--June 25, 1998--Intrepid Minerals Corporation (Alberta Stock Exchange: IAU) (ASE: IAU) reports that recent trench and pit sampling on its El Zapote property (75 percent Intrepid, 25 percent High River Gold Mines, TSE: HRG) has confirmed a significant silver discovery in western El Salvador.