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poikilitic

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poikilitic
poikilitic, a. (pɔɪkɪˈlɪtɪk) Also poic-. [var. of pœcilitic.] † 1. Geol. (Usu. with capital initial.) A term formerly applied to the Triassic and Permian systems, as being mainly composed of variegated rocks. Obs.1836 Buckland Geol. & Min. II. 38 The word Pœcilitic is in sound so like to Pisolite, t... Oxford English Dictionary
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Poikilitic texture
Poikilitic texture refers to igneous rocks where large later-formed less perfect crystals ('oikocrysts') surround smaller early-formed idiomorphic crystals A poikilitic texture is most easily observed in petrographic thin sections. wikipedia.org
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pœcilite
† pœcilite Geol. Obs. (ˈpiːsɪlaɪt) [f. Gr. ποικίλος variegated + -ite1; after F. terrain pœcilien (Brongniart 1829).] A name proposed for the Upper New Red Sandstone (cf. Ger. bunter sandstein). Hence † pœcilitic (piːsɪˈlɪtɪk) a., (a) of or pertaining to the Upper New Red Sandstone formation; = poik... Oxford English Dictionary
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Vitrophyre
See also Poikilitic texture References Volcanic rocks wikipedia.org
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poikilo-
ˈpoikilo- a formative element from Gr. ποικίλος variegated, various, used in modern scientific terms (in some of which the Latinized form pœcilo- is preferred): ˈpoikiloˌblast, (a) = poikilocyte (Syd. Soc. Lex.); (b) (also pœcilo-) Petrol., each of the inclusions in a poikiloblastic rock; ˌpoikiloˈb... Oxford English Dictionary
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Staurolite
It can be identified in metamorphic rocks by its swiss cheese appearance (with poikilitic quartz) and often mantled porphyroblastic character. wikipedia.org
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Eveslogite
This silicate mineral occurs as an anchimonomineral veinlet that cross-cuts poikilitic nepheline syenite. wikipedia.org
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Ophite
sect in Syria and Egypt Ophite or verd antique, a type of serpentinite building stone Ophitic dialect, a variant of Pontic Greek Ophitic, a type of poikilitic wikipedia.org
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Silurian
Silurian, a. and n.1 (sɪˈljʊərɪən, saɪ-) [f. L. Silur-es, an ancient British tribe which inhabited the south-eastern part of Wales.] 1. Of or belonging to the ancient Silures, or to the district inhabited by them.1708 J. Philips Cyder ii. 89 To the utmost Bounds of this Wide Universe, Silurian Cyder... Oxford English Dictionary
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Monzogranite
However, microcline is commonly poikilitic, with abundant fine-grained plagioclase and quartz. wikipedia.org
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Lamproite
(Mitchell & Bergman, 1991): titanian (2-10 wt% TiO2), aluminium-poor (5-12 wt% Al2O3) phenocrystic phlogopite titanian (5-10 wt% TiO2) groundmass poikilitic wikipedia.org
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Kainsaz meteorite
The remaining 10 % are barred olivine, radial pyroxene, cryptocrystalline, glassy, sulfide-metal, micro-poikilitic and complex chondrules. wikipedia.org
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Kelvin Island (Lake Nipigon)
Shoreline exposures of quartz, amphibole diabase, poikilitic diabase, and diabase with pegmatitic patches or veins are uncommon. This sill grades from its base to top in a series of layers consisting of: 1.) a basal lower chill zone, 2.) coarse poikilitic diabase to medium-grained wikipedia.org
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Great Scott (lunar sample)
is a coarse-grained, porphyritic rock with rounded olivine phenocrysts (1 mm) and subhedral zoned pyroxene phenocrysts (0.5–2 mm) set in a matrix of poikilitic wikipedia.org
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List of rock textures
limestone Ophitic texture Orbicular texture Orthocumulate P Panidiomorphic Pegmatitic Peloidal Perthitic Phaneritic Phyllitic Pisolitic Poikilitic wikipedia.org
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