range zone

range zone

[′rānj ‚zōn]
(geology)
Formal biostratigraphic zone made up of a body of strata comprising the total horizontal (geographic) and vertical (stratigraphic) range of occurrence of a specified taxon of a group of taxa.
References in periodicals archive ?
The tidal range zone of the pile specimen was 400 mm in the middle of the pile.
Specimens that were strengthened or poststrengthened were encased over a 400 mm length by using CFRP sheet in the middle tidal range zone. Each pile specimen contained seven mounted strain gauges to monitor the deformation by expansion of the reinforcement corrosion, as shown in Figure 2.
To ensure safe operation, the tugger includes an audible warning device that plays various selectable tunes; a non-contact obstacle sensor with adjustable shape and range zone; mechanical safety bumper; and large red E-stop button on the control panel.
it is a total range zone. The name-bearer of the succeeding K.
International Resource News-1 April 2010-Benton Resources starts diamond drilling at Range Zone copper prospect(C)2010 ENPublishing - http://www.enpublishing.co.uk
Seven range zone distributions were also considered: all targets in the near, middle, far, near and middle, near and far, middle and far, or near and middle and far zones.
Overall, trading range zones should still be supported in local equities trading as risks are still present with a stalled fiscal budget approval for the year.
It is interpreted as a condensed section (Echols 1984) based upon: occurrence of ammonites from four midcontinent ammonite range zones, undulatory bottom surface, bioturbated surface, and abundant ironstone and phosphate concretions.