crossvein

crossvein

[′krȯs‚vān]
(mining engineering)
A vein that intersects an older or larger vein.
References in periodicals archive ?
7A and 8): Radius 3-6 branched, 2-4 r-m crossveins, Media with MP1 multibranched (from 2 to 5), MP2 and MP3 unibranched, MP4 2-branched, a postnodal line built from 3-6 im crossveins; 1 m-cua crossvein, CuA (except short furcation in B.
Wing: Length is measured from the humeral crossvein to tip, breadth at the level of the r-m crossvein.
2+3] sinuous just before margin; crossvein r-m at distal three-fourths of cell dm; metastemum bare; and postcoxal metathoracic bridge completed (Carvalho et al.
Basal coloration in HW: not reaching the cubito-anal crossvein (1), reaching beyond of the cubito-anal crossvein (2) *.
and became a crossvein so that the stem of MP + CuA1 [CuA + CuPa[alpha]] branches from M".
The genus was placed close to Nadleria, on the basis of a simple outer tine of the lacinial tip, an Rs-M crossvein present in the forewing of both genera, and fusion of the ovipositor valvulae with the ninth sternum in Hemicaecilius and most Lachesillinae.
pseudosphex, a small dark colored crossvein connects veins Rs and M (Figs 10, 11).
Some females and males in the MLP exhibit a wing pattern that consists of a light spot distal to the r-m crossvein that extends to the costa, two conspicuous marginal light spots in cell [r.