| 词汇 | lath |
| 释义 | lath noun[ C ] uk /lɑːθ/ us /læθ/ a long, thin, flat strip of wood, used to make a structure to support plaster on walls or tiles on the roof of a building灰板条，板条，板筋 Jason Todd/Photographer's Choice RF/GettyImages Physical supports and supporting abutment bearing bolster bookend buoy burden buttress groan modillion pier pile pillar prop prop something up rafter runner scaffold sinew underpin weight-bearing You can also find related words, phrases, and synonyms in the topics: Building materials Examples of lathlath Virtually unaltered amphibolites may have subordinate, late, randomly oriented biotite laths overgrowing the main foliation. It displays different habits, ranging from phenocrysts to small grains interstitially distributed between plagioclase laths. They investigated apparent dihedral angle populations generated by randomly oriented grains of differing shape, ranging from spheres to cubes and laths. Lath-shaped plagioclase is albite in composition and pyroxene has been mainly replaced by tremolite. Occasionally the pyroxene occurs also as poikilitic plates (3-5 mm) enclosing plagioclase laths. The planar fabric is defined by the preferred orientation of amphibole laths and compositional layering. However, plagioclase laths are poorly aligned and biotite is randomly oriented. Of the fluoroapatite, a subset of crystals is lath shaped, 5-10 m in size. Euhedral laths of zoned plagioclase define a distinct igneous lamination. The plagioclase laths are believed to represent relict plagioclase phenocrysts in the volcanic protolith. Phenocrysts of plagioclase, hornblende and clinopyroxene are embedded in a very fine-grained groundmass of plagioclase laths, fine hornblende prisms, and some biotite and augite crystals. The authigenic nature of the illite is evident from its fibrous, lath- or lettuce-like habit. Typically, plagioclase occurs as laths in the groundmass, 0.1-0.5 mm in size. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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