Hinge Line


Also found in: Acronyms.

hinge line

[′hinj ‚līn]
(geology)
The line separating the region in which a beach has been thrust upward from that in which it is horizontal.
A line in the plane of a hinge fault separating the part of a fault along which thrust or reverse movement occurred from that having normal movement.

Hinge Line

 

a line connecting the points of maximum bending of the strata in a fold. If a series of strata is compressed into a

Figure 1. Hinge lines: (a) the hinge line of an anticline, (b) the hinge line of a syncline

fold, each stratum has its own hinge line, and the plane that passes through the corresponding series of hinge lines is called the axial surface of the fold.

References in periodicals archive ?
Brachial valve was convex, hinge line curved, commissure line antiplicate, umbo raised, development line delicate and unicentric.
It is tentatively assigned to Drabovia due to its relatively short hinge line and characteristics of the dorsal interior suggesting similarity with Drabovia westrogothica in Sweden (Bergstrm 1968) and Drabovia sp.
5.9) lies in juxtaposition to a right valve, hinge line to hinge line, and is unornamented.
A&M Hardware has added new sizes to its hinge lines. Institutional hinges for overlay doors have a 270[degrees] swing and are 2 3/4 in.
Shell dorsibiconvex; transverse suboval to almost subrectangular outline, with maximum width between hinge line and midlength; radial ornament multicostellate, with 11-13 rounded ribs per 3 mm along the anterior margin; ventral muscle field large, bilobed, elongate, extended anterior to midlength; cardinal process undivided.
Sasaki (1979) recognized four stages in larval development; straight hinge or D-shaped larvae with a straight hinge line, two stages of umbonate larvae; an early umbonate stage in which a slight protrusion could be observed at the center of the hinge line, which as a result could no longer be regarded as straight; a late umbonate stage in which the straight hinge line bad completely disappeared and the umbo extended over the full length of the hinge line and an eyespotted stage in which a noticeable eyespot was present (Fig.
Air may stall at the hinge line (on the right) when the rudder is deflected fully left.
The process also involves shaping the segments to form a dome with a central opening bounded by segments' tips forming a hinge line, directed in the applicator barrel's circumference, offset from the base Of the segments towards the tips.
The SOSSentinal is a line of electronic monitoring hinges introduced for the SOSS Invisible Hinge line and made by Universal Industrial Products Co.
Also, on one article item is a base where the segment is joined to the barrel, a plurality of lines of weakness provided on the inner surface and a hinge line running in the circumferential direction of the applicator barrel.
Liberty Hardware launched its new Euro Concealo hinge line at the show.
Also on one item is a base where the segment is joined to the barrel, a plurality of lines of weakness provided on the inner surface and a hinge line running in the circumferential direction of the applicator barrel.