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Words near each other
・ Linearity of differentiation
・ Linearity of integration
・ Linearizability
・ Linearization
・ Linearized gravity
・ Linearizer
・ Linearly disjoint
・ Linearly ordered group
・ Lineated barbet
・ Lineated foliage-gleaner
・ Lineated valley fill
・ Lineated woodcreeper
・ Lineated woodpecker
・ Lineatin
・ Lineation
Lineation (geology)
・ Lineatriton
・ Lineatriton lineolus
・ Lineatriton orchileucos
・ Lineatriton orchimelas
・ Lineback cattle
・ Linebacker
・ Linebacker (disambiguation)
・ Linebarger House
・ Linebarrels of Iron
・ Linebazar
・ Lineboro Historic District
・ Lineboro, Maryland
・ Lineburg, West Virginia
・ Lined antshrike


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Lineation (geology) : ウィキペディア英語版
Lineation (geology)

Lineations in structural geology are linear structural features within rocks. There are several types of lineations, intersection lineations, crenulation lineations, mineral lineations and stretching lineations being the most common. Lineation field measurements are recorded as map lines with a plunge angle and azimuth.
==Intersection lineations==

Intersection lineations are linear structures formed by the intersection of any two surfaces in a three-dimensional space. The trace of bedding on an intersecting foliation plane commonly appears as colour stripes generally parallel to local fold's hinges. Intersection lineations can also be due to the intersection of two foliations.
Intersection lineations are measured in relation to the two structures which intersect to form them. For instance, according to the measurement conventions of structural geology, original bedding, S0 intersected by a fold's axial plane foliation, forms an intersection lineation L0-1, with an azimuth and plunge defined by the fold. This is the typical cleavage-bedding intersection angle and is diagnostic of the plunge of the fold on all parts of the fold.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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