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perpendicular style

perpendicular style   Quick reference

A Dictionary of Construction, Surveying and Civil Engineering

Reference type:
Subject Reference
Current Version:
2013

... style Gothic architecture that is exaggerated by vertical straight and slender aspects such as windows and...

intrusion types and intrusive igneous rocks

intrusion types and intrusive igneous rocks   Reference library

The Oxford Companion to the Earth

Reference type:
Subject Reference
Current Version:
2003
Subject:
Science and technology, Earth Sciences and Geography
Length:
2,384 words
Illustration(s):
4

...rock in the middle of the roof of an exposed igneous intrusion. Fig. 4. A sheeted dyke complex at a mid-ocean ridge. A dyke is a parallel-sided, sheet-like, igneous intrusive body that cuts vertically through the country rock regardless of its type) and is commonly either perpendicular to sedimentary layers (strata) or vertical. If the sheet intrusion is emplaced along the interface between two beds and is horizontal, it is known as a sill . Well-known examples of sills are those of the Karroo region of South Africa, which extend over areas of thousands of...

folds and folding

folds and folding   Reference library

The Oxford Companion to the Earth

Reference type:
Subject Reference
Current Version:
2003
Subject:
Science and technology, Earth Sciences and Geography
Length:
2,109 words
Illustration(s):
4

...The shape of a fold is a function of the thickness of a layer with respect to a referent; for example a thickness measured at right angles to the surface of a layer (Fig. 3) or the thickness of the axial surface. If the thickness of a particular layer is constant normal (perpendicular) to the layer, the shape of the fold is parallel . If the thickness is constant parallel to the axial surface, the shape is similar . We can now apply this vocabulary to Fig. 1 to see what can be gained. The metamorphic rocks from the Swiss Alps illustrated contain a series...

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