Tuma


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Tuma

 

an urban-type settlement in Klepiki Raion, Riazan’ Oblast, RSFSR; located on the upper course of the Narma River in the Oka River basin. Tuma is served by a railroad station (Tumskaia) on the Riazan’-Vladimir line. The settlement has a brickyard, an asphalt plant, a clothing factory, a furniture manufacturer, and a logging and timber distribution establishment; there are local enterprises for the food-processing and railroad transport industries.

References in periodicals archive ?
Tumas Zone 3 drill data was also evaluated by H&S.
The updated Tumas Mineral Resource estimate increases the total Tubas-Tumas Palaeochannel high-grade subset resource estimate to 37.
The combined Tumas Zones have been sampled by 5,956 reverse circulation (RC) holes drilled by RUN between 2008 and 2010 for a total of 112,281 metres of drilling.
The Tumas Zone 3 drilling is much broader, and less regularly spaced than the other Zones, with drilling including 50 metre spaced holes along sets of east-west and north-south traverses separated by 600 to 2,000 metres, and some locally tight-spaced infill drilling.
Tumas mineralisation occurs as secondary carnotite enrichment of variably calcretised palaeochannel and sheetwash sediments and adjacent weathered bedrock.
Data available for the Tumas drilling includes in-rod and open-hole gamma logging, XRF assay results and scintillometer measurements from samples placed in lead shielded box.
Tumas Zones 1 and 2 resources were estimated by Multiple Indicator Kriging (MIK) with block support correction, and reflect open-cut mining selectivity.
1 tonnes per cubic metre as estimated by RUN from measurements performed on samples from a trench excavated through the Tumas mineralisation.