ophitic


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o·phit·ic

 (ŏ-fĭt′ĭk, ō-fĭt′-)
adj.
1. Of or relating to ophite.
2. Having a texture composed of lath-shaped plagioclase feldspar crystals in a matrix of pyroxene crystals.

ophitic

(əʊˈfɪtɪk)
adj
(Geological Science) (of the texture of rocks such as dolerite) having small elongated unorientated feldspar crystals enclosed within pyroxene grains
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References in periodicals archive ?
The Talavera sample shows large anhedral poikilitic orthopyroxene crystals, leading to a hypidiomorphic subophitic to ophitic texture.
Basalt is medium-grained, with ophitic texture formed by plagioclase and clinopyroxene and matrix consisting of chlorite, zeolite, Ti-magnetite, titanite, ilmenite, apatite and pyrite.
Bituminous mixtures have an AC 16 S grain-size distribution with ophitic aggregate and a void percentage that depends on the filler used.
The geological formation where the magnetite mineralization is located in the various fields is a Triassic Keuper facies associated with ophitic sub volcanic rock.
Ophitic basalt predominates In the Aberdare; its radiating crystals of feldspar recall Dandelions in seed.
Phenocryst sequence = olivine, Phenocryst sequence = olivine, augite, plagioclase such that plagioclase, augite locally plagioclase phenocrysts are less yielding ophitic and subophitic common than in tholeiites.
These zones also control the location of minor bodies of rapakivi in southern Finland and an ophitic gabbro body (Sigula) in the Tallinn zone.
Most of the basalts are porphyritic and textures range from very fine-grained to very coarse-grained, using these terms in the volcanic sense (Table 1), and include ophitic, subophitic, intergranular and intersertal varieties.
The author of our greatest poetic theodicy, moreover, refuses to accept the Ophitic Gnostic notion that identified the serpent with Christ.
The flow is a coarse-grained, ophitic basalt containing heavily altered plagioclase and relatively unaltered clinopyroxene.
The quartz occurrences are all related to basic volcanic rocks known as ophites, a general term for diabases that have retained their ophitic texture (i.