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Porphyry
| Глоссарий по архитектуре и конструкциям |
- Igneous rock characterized by large conspicuous crystals which are set in a matrix of finer crystals; used as decorative stone and in building construction.
- As used in a general sense by drillers, an igneous rock, generally light colored, having relatively large, conspicuous crystals (phenocrysts) embedded in a finer grained or glassy groundmass.
- A general term used rather loosely for igneous rocks which contain
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Порфир, русский
- Мелкокристаллическая изверженная горная порода с крупными включениями. по химическому составу близок к граниту.
- , эффузивная горная порода с характерной порфировой структурой. палеотипный аналог липаритов и трахитов (липаритовый порфир, трахитовый порфир).
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Conspicuous, английский
Construction, французский
Relatively, английский
Groundmass, английский
Relatively fine-grained glassy or crystalline material between the
Phenocryst, английский
- The large, conspicuous crystals set in a fine- grained groundmass in a porphyritic igneous rock.
- A term applied to isolated larger crystals visible to the unaided eye and
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Gabbro, английский
- Igneous rock similar to diorite, predominantly composed of ferromagnetic minerals with crystals visible to the eye; has the same mineral composition as basalt.
- Габбро (минерал)
- Dark-coloured, fine- to coarse-grained, basic intrusive igneous rock.
Than an, английский
I-beam. wheel window wide-ringed, coarse-grained, open-grained descriptive of wood having wide annual rings, due to rapid growth; in softwood, usually weaker than narrow-ringed wood. wide-throw hinge a rectangular hinge with extra-wide leaves for clearance.
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