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199:(a tendency to split into sheets). Phyllites are usually black to gray or light greenish gray in color. The foliation is commonly crinkled or wavy in appearance. Phyllites are mostly used in decorative aggregates, interior decors, building stones, facing stones, garden decoration and curbing. Cemetery markers, commemorative tablets, creating artworks and writing slates are some of its commercial uses.
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188:; or slate, which in turn came from a shale protolith. Its constituent platy minerals are larger than those in slate but are not visible with the naked eye. Phyllites are said to have a texture called "phyllitic sheen," and are usually classified as having formed through low-grade metamorphic conditions through regional metamorphism
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has large mica flakes, all mica flakes of which have achieved a preferred orientation. Among foliated metamorphic rocks, it represents a gradation in the degree of
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fine-grained white mica, impart a silky, sometimes golden sheen to the surfaces of
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210:. In north Cornwall, there are Tredorn phyllites and Woolgarden phyllites.
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Carolina "slate" is often volcanic phyllite. A type of
Carolina slate,
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Mottana, Annibale, Rodolfo Crespi and
Giuseppe Liborio (1978)
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achieves a preferred orientation. It is primarily composed of
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that is further metamorphosed so that very fine grained white
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274:. Boston & New York: Houghton Mifflin Company.
259:Simon & Schuster's Guide to Rocks and Minerals
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139:Phyllite has fine-grained mica flakes, whereas
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272:Handbook of Rocks, Minerals, & Gemstones
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285:An Introduction to the Geology of Cornwall
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261:. New York: Simon & Schuster Inc.
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143:has extremely fine mica flakes, and
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287:. Truro: D. Bradford Barton; p. 89
202:Phyllite is commonly found in the
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180:(or parent rock) for phyllite is
16:Type of foliated metamorphic rock
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158:, sericite, or chlorite, or the
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264:
251:
169:The word comes from the Greek
1:
220:
166:, called "phyllitic luster".
1338:. You can help Knowledge by
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206:metasediments of northwest
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151:between slate and schist.
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270:Schumann, Walter, (1993)
54:showing phyllitic texture
386:Basaltic trachyandesite
354:Alkali feldspar granite
154:The minute crystals of
1334:-related article is a
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43:
38:of phyllite (in cross
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771:Banded iron formation
283:Barton, R. M. (1964)
246:Essentials of Geology
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30:
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1127:Specific varieties
195:Phyllite has good
190:metamorphic facies
173:, meaning "leaf".
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1385:Metamorphic rocks
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562:Nepheline syenite
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1332:metamorphic rock
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1254:Rapakivi granite
966:Metamorphic rock
753:Sedimentary rock
622:Quartz monzonite
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502:Hyaloclastite
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1340:expanding it
1329:
1314:
1229:Luxullianite
1209:Lapis lazuli
1154:Blue Granite
1081:Serpentinite
1060:
1056:Metapsammite
806:Conglomerate
728:Trondhjemite
706:Trachybasalt
647:Pantellerite
552:Monzogranite
497:Hornblendite
482:Granodiorite
336:Igneous rock
284:
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149:metamorphism
138:
113:formed from
66:
65:
36:thin section
1118:Whiteschist
1009:Greenschist
989:Cataclasite
979:Amphibolite
906:Phosphorite
856:Itacolumite
781:Calcarenite
627:Quartzolite
567:Nephelinite
537:Lamprophyre
492:Harzburgite
450:Napoleonite
423:Charnockite
418:Carbonatite
408:Blairmorite
359:Anorthosite
160:translucent
1390:Rock stubs
1379:Categories
1284:Teschenite
1269:Shonkinite
1244:Pietersite
1239:Novaculite
1149:Borolanite
1134:Adamellite
1051:Metapelite
1019:Calcflinta
984:Blueschist
974:Anthracite
956:Wackestone
936:Travertine
881:Lumachelle
861:Jaspillite
816:Diamictite
738:Websterite
723:Troctolite
699:Benmoreite
659:Shonkinite
632:Rhyodacite
612:Pyroxenite
587:Peridotite
547:Lherzolite
522:Kimberlite
512:Ignimbrite
507:Icelandite
487:Granophyre
396:Shoshonite
221:References
215:Duke stone
52:Duke stone
50:Fractured
1299:Variolite
1289:Theralite
1279:Tachylite
1264:Rodingite
1234:Mangerite
1214:Larvikite
1199:Jasperoid
1194:Jadeitite
1159:Epidosite
1113:Tectonite
1106:Soapstone
1071:Quartzite
1041:Migmatite
1026:Itabirite
1004:Granulite
946:Turbidite
926:Sylvinite
921:Siltstone
911:Sandstone
896:Oil shale
876:Limestone
851:Gritstone
846:Greywacke
841:Geyserite
831:Evaporite
821:Diatomite
796:Claystone
761:Argillite
674:Tachylyte
642:Comendite
592:Phonolite
582:Pegmatite
557:Monzonite
532:Lamproite
527:Komatiite
467:Foidolite
428:Enderbite
391:Mugearite
248:, 3rd ed.
204:Dalradian
197:fissility
178:protolith
40:polarised
1274:Taconite
1249:Pyrolite
1174:Ganister
1144:Aphanite
1139:Appinite
1061:Phyllite
1046:Mylonite
1014:Hornfels
994:Eclogite
891:Mudstone
866:Laterite
826:Dolomite
743:Wehrlite
718:Trachyte
711:Hawaiite
689:Tonalite
684:Tephrite
637:Rhyolite
602:Porphyry
577:Obsidian
462:Essexite
413:Boninite
403:Basanite
349:Andesite
164:cleavage
156:graphite
134:chlorite
127:sericite
108:foliated
67:Phyllite
62:Phyllite
23:Phyllite
1294:Unakite
1224:Llanite
1189:Ijolite
1164:Felsite
1096:Suevite
931:Tillite
871:Lignite
811:Coquina
776:Breccia
669:Syenite
517:Ijolite
477:Granite
445:Diorite
440:Diabase
344:Adakite
171:phyllon
1204:Kenyte
1179:Gossan
1076:Schist
1036:Marble
999:Gneiss
901:Oolite
766:Arkose
664:Sovite
654:Scoria
607:Pumice
572:Norite
542:Latite
472:Gabbro
457:Dunite
435:Dacite
369:Basalt
364:Aplite
186:pelite
145:schist
132:, and
123:quartz
42:light)
1330:This
1169:Flint
1091:Slate
1086:Skarn
951:Varve
916:Shale
836:Flint
791:Chert
786:Chalk
208:Arran
182:shale
141:slate
115:slate
1336:stub
941:Tufa
886:Marl
801:Coal
733:Tuff
176:The
130:mica
119:mica
103:-yte
1304:Wad
184:or
101:FIL
34:of
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69:(
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