1317:
20:
28:
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.
47:
59:
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
147:
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
1358:
1048:
1351:
320:
98:
1344:
1377:
373:
353:
313:
798:
763:
214:
51:
39:
8:
1382:
196:
107:
1316:
594:
306:
189:
163:
549:
1324:
1246:
958:
745:
614:
162:
fine-grained white mica, impart a silky, sometimes golden sheen to the surfaces of
110:
72:
1332:
1058:
818:
671:
31:
1328:
1251:
1093:
686:
609:
133:
1371:
1296:
1211:
1176:
1023:
584:
489:
207:
1221:
1201:
1073:
720:
698:
639:
539:
484:
469:
335:
210:. In north Cornwall, there are Tredorn phyllites and Woolgarden phyllites.
148:
35:
1110:
1001:
981:
971:
898:
848:
773:
619:
554:
524:
479:
437:
410:
405:
395:
358:
159:
1276:
1261:
1236:
1231:
1141:
1126:
1043:
1011:
976:
966:
948:
928:
873:
853:
808:
730:
715:
691:
651:
624:
604:
574:
534:
509:
499:
494:
474:
383:
217:, is a dacitic phyllite that is fractured and colored with iron oxide.
213:
Carolina "slate" is often volcanic phyllite. A type of
Carolina slate,
19:
1291:
1281:
1271:
1256:
1226:
1206:
1191:
1186:
1151:
1146:
1105:
1098:
1063:
1033:
1018:
996:
938:
918:
913:
903:
888:
868:
843:
838:
833:
823:
813:
788:
753:
666:
634:
579:
569:
544:
519:
514:
454:
415:
378:
203:
177:
1266:
1241:
1166:
1136:
1131:
1038:
1006:
986:
883:
858:
735:
710:
703:
681:
676:
629:
564:
449:
400:
390:
348:
155:
126:
1286:
1216:
1181:
1156:
1088:
923:
863:
803:
768:
661:
589:
504:
464:
432:
427:
343:
298:
58:
1196:
1171:
1068:
1028:
991:
893:
758:
656:
646:
599:
559:
529:
459:
444:
422:
368:
363:
185:
144:
122:
27:
257:
Mottana, Annibale, Rodolfo Crespi and
Giuseppe Liborio (1978)
121:
achieves a preferred orientation. It is primarily composed of
117:
that is further metamorphosed so that very fine grained white
1161:
1083:
1078:
943:
908:
828:
783:
778:
181:
140:
114:
46:
933:
878:
793:
725:
129:
118:
87:
81:
99:
78:
90:
84:
75:
274:. Boston & New York: Houghton Mifflin Company.
259:Simon & Schuster's Guide to Rocks and Minerals
1369:
139:Phyllite has fine-grained mica flakes, whereas
1352:
314:
272:Handbook of Rocks, Minerals, & Gemstones
1359:
1345:
321:
307:
285:An Introduction to the Geology of Cornwall
57:
45:
26:
18:
1370:
302:
261:. New York: Simon & Schuster Inc.
1311:
240:
238:
236:
234:
232:
230:
143:has extremely fine mica flakes, and
13:
328:
287:. Truro: D. Bradford Barton; p. 89
202:Phyllite is commonly found in the
14:
1394:
294:
227:
180:(or parent rock) for phyllite is
16:Type of foliated metamorphic rock
1315:
158:, sericite, or chlorite, or the
71:
277:
264:
251:
169:The word comes from the Greek
1:
220:
166:, called "phyllitic luster".
1331:. You can help Knowledge by
7:
206:metasediments of northwest
10:
1399:
1310:
151:between slate and schist.
1119:
957:
744:
334:
270:Schumann, Walter, (1993)
54:showing phyllitic texture
374:Basaltic trachyandesite
354:Alkali feldspar granite
154:The minute crystals of
1327:-related article is a
63:
55:
43:
38:of phyllite (in cross
24:
764:Banded iron formation
283:Barton, R. M. (1964)
246:Essentials of Geology
61:
49:
30:
22:
1120:Specific varieties
195:Phyllite has good
190:metamorphic facies
173:, meaning "leaf".
64:
56:
44:
25:
1378:Metamorphic rocks
1340:
1339:
1305:
1304:
550:Nepheline syenite
1390:
1361:
1354:
1347:
1325:metamorphic rock
1319:
1312:
1247:Rapakivi granite
959:Metamorphic rock
746:Sedimentary rock
615:Quartz monzonite
323:
316:
309:
300:
299:
288:
281:
275:
268:
262:
255:
249:
244:Stephen Marshak
242:
111:metamorphic rock
102:
97:
96:
93:
92:
89:
86:
83:
80:
77:
1398:
1397:
1393:
1392:
1391:
1389:
1388:
1387:
1368:
1367:
1366:
1365:
1308:
1306:
1301:
1115:
1059:Pseudotachylite
953:
740:
672:Tephriphonolite
330:
327:
297:
292:
291:
282:
278:
269:
265:
256:
252:
243:
228:
223:
106:) is a type of
100:
74:
70:
32:Photomicrograph
17:
12:
11:
5:
1396:
1386:
1385:
1380:
1364:
1363:
1356:
1349:
1341:
1338:
1337:
1320:
1303:
1302:
1300:
1299:
1294:
1289:
1284:
1279:
1274:
1269:
1264:
1259:
1254:
1252:Rhomb porphyry
1249:
1244:
1239:
1234:
1229:
1224:
1219:
1214:
1209:
1204:
1199:
1194:
1189:
1184:
1179:
1174:
1169:
1164:
1159:
1154:
1149:
1144:
1139:
1134:
1129:
1123:
1121:
1117:
1116:
1114:
1113:
1108:
1103:
1102:
1101:
1094:Talc carbonate
1091:
1086:
1081:
1076:
1071:
1066:
1061:
1056:
1051:
1046:
1041:
1036:
1031:
1026:
1021:
1016:
1015:
1014:
1004:
999:
994:
989:
984:
979:
974:
969:
963:
961:
955:
954:
952:
951:
946:
941:
936:
931:
926:
921:
916:
911:
906:
901:
896:
891:
886:
881:
876:
871:
866:
861:
856:
851:
846:
841:
836:
831:
826:
821:
816:
811:
806:
801:
796:
791:
786:
781:
776:
771:
766:
761:
756:
750:
748:
742:
741:
739:
738:
733:
728:
723:
718:
713:
708:
707:
706:
696:
695:
694:
687:Trachyandesite
684:
679:
674:
669:
664:
659:
654:
649:
644:
643:
642:
637:
627:
622:
617:
612:
610:Quartz diorite
607:
602:
597:
592:
587:
582:
577:
572:
567:
562:
557:
552:
547:
542:
537:
532:
527:
522:
517:
512:
507:
502:
497:
492:
487:
482:
477:
472:
467:
462:
457:
452:
447:
442:
441:
440:
430:
425:
420:
419:
418:
408:
403:
398:
393:
388:
387:
386:
381:
371:
366:
361:
356:
351:
346:
340:
338:
332:
331:
329:Types of rocks
326:
325:
318:
311:
303:
296:
295:External links
293:
290:
289:
276:
263:
250:
225:
224:
222:
219:
15:
9:
6:
4:
3:
2:
1395:
1384:
1381:
1379:
1376:
1375:
1373:
1362:
1357:
1355:
1350:
1348:
1343:
1342:
1336:
1334:
1330:
1326:
1321:
1318:
1314:
1313:
1309:
1298:
1295:
1293:
1290:
1288:
1285:
1283:
1280:
1278:
1275:
1273:
1270:
1268:
1265:
1263:
1260:
1258:
1255:
1253:
1250:
1248:
1245:
1243:
1240:
1238:
1235:
1233:
1230:
1228:
1225:
1223:
1220:
1218:
1215:
1213:
1212:Litchfieldite
1210:
1208:
1205:
1203:
1200:
1198:
1195:
1193:
1190:
1188:
1185:
1183:
1180:
1178:
1177:Hyaloclastite
1175:
1173:
1170:
1168:
1165:
1163:
1160:
1158:
1155:
1153:
1150:
1148:
1145:
1143:
1140:
1138:
1135:
1133:
1130:
1128:
1125:
1124:
1122:
1118:
1112:
1109:
1107:
1104:
1100:
1097:
1096:
1095:
1092:
1090:
1087:
1085:
1082:
1080:
1077:
1075:
1072:
1070:
1067:
1065:
1062:
1060:
1057:
1055:
1052:
1050:
1047:
1045:
1042:
1040:
1037:
1035:
1032:
1030:
1027:
1025:
1024:Litchfieldite
1022:
1020:
1017:
1013:
1010:
1009:
1008:
1005:
1003:
1000:
998:
995:
993:
990:
988:
985:
983:
980:
978:
975:
973:
970:
968:
965:
964:
962:
960:
956:
950:
947:
945:
942:
940:
937:
935:
932:
930:
927:
925:
922:
920:
917:
915:
912:
910:
907:
905:
902:
900:
897:
895:
892:
890:
887:
885:
882:
880:
877:
875:
872:
870:
867:
865:
862:
860:
857:
855:
852:
850:
847:
845:
842:
840:
837:
835:
832:
830:
827:
825:
822:
820:
817:
815:
812:
810:
807:
805:
802:
800:
797:
795:
792:
790:
787:
785:
782:
780:
777:
775:
772:
770:
767:
765:
762:
760:
757:
755:
752:
751:
749:
747:
743:
737:
734:
732:
729:
727:
724:
722:
719:
717:
714:
712:
709:
705:
702:
701:
700:
697:
693:
690:
689:
688:
685:
683:
680:
678:
675:
673:
670:
668:
665:
663:
660:
658:
655:
653:
650:
648:
645:
641:
638:
636:
633:
632:
631:
628:
626:
623:
621:
618:
616:
613:
611:
608:
606:
603:
601:
598:
596:
593:
591:
588:
586:
585:Phonotephrite
583:
581:
578:
576:
573:
571:
568:
566:
563:
561:
558:
556:
553:
551:
548:
546:
543:
541:
538:
536:
533:
531:
528:
526:
523:
521:
518:
516:
513:
511:
508:
506:
503:
501:
498:
496:
493:
491:
490:Hyaloclastite
488:
486:
483:
481:
478:
476:
473:
471:
468:
466:
463:
461:
458:
456:
453:
451:
448:
446:
443:
439:
436:
435:
434:
431:
429:
426:
424:
421:
417:
414:
413:
412:
409:
407:
404:
402:
399:
397:
394:
392:
389:
385:
382:
380:
377:
376:
375:
372:
370:
367:
365:
362:
360:
357:
355:
352:
350:
347:
345:
342:
341:
339:
337:
333:
324:
319:
317:
312:
310:
305:
304:
301:
286:
280:
273:
267:
260:
254:
247:
241:
239:
237:
235:
233:
231:
226:
218:
216:
211:
209:
205:
200:
198:
193:
191:
187:
183:
179:
174:
172:
167:
165:
161:
157:
152:
150:
146:
142:
137:
135:
131:
128:
124:
120:
116:
112:
109:
105:
104:
95:
68:
60:
53:
48:
41:
37:
33:
29:
21:
1333:expanding it
1322:
1307:
1222:Luxullianite
1202:Lapis lazuli
1147:Blue Granite
1074:Serpentinite
1053:
1049:Metapsammite
799:Conglomerate
721:Trondhjemite
699:Trachybasalt
640:Pantellerite
540:Monzogranite
485:Hornblendite
470:Granodiorite
336:Igneous rock
284:
279:
271:
266:
258:
253:
245:
212:
201:
194:
175:
170:
168:
153:
149:metamorphism
138:
113:formed from
66:
65:
36:thin section
1111:Whiteschist
1002:Greenschist
982:Cataclasite
972:Amphibolite
899:Phosphorite
849:Itacolumite
774:Calcarenite
620:Quartzolite
555:Nephelinite
525:Lamprophyre
480:Harzburgite
438:Napoleonite
411:Charnockite
406:Carbonatite
396:Blairmorite
359:Anorthosite
160:translucent
1383:Rock stubs
1372:Categories
1277:Teschenite
1262:Shonkinite
1237:Pietersite
1232:Novaculite
1142:Borolanite
1127:Adamellite
1044:Metapelite
1012:Calcflinta
977:Blueschist
967:Anthracite
949:Wackestone
929:Travertine
874:Lumachelle
854:Jaspillite
809:Diamictite
731:Websterite
716:Troctolite
692:Benmoreite
652:Shonkinite
625:Rhyodacite
605:Pyroxenite
575:Peridotite
535:Lherzolite
510:Kimberlite
500:Ignimbrite
495:Icelandite
475:Granophyre
384:Shoshonite
221:References
215:Duke stone
52:Duke stone
50:Fractured
1292:Variolite
1282:Theralite
1272:Tachylite
1257:Rodingite
1227:Mangerite
1207:Larvikite
1192:Jasperoid
1187:Jadeitite
1152:Epidosite
1106:Tectonite
1099:Soapstone
1064:Quartzite
1034:Migmatite
1019:Itabirite
997:Granulite
939:Turbidite
919:Sylvinite
914:Siltstone
904:Sandstone
889:Oil shale
869:Limestone
844:Gritstone
839:Greywacke
834:Geyserite
824:Evaporite
814:Diatomite
789:Claystone
754:Argillite
667:Tachylyte
635:Comendite
580:Phonolite
570:Pegmatite
545:Monzonite
520:Lamproite
515:Komatiite
455:Foidolite
416:Enderbite
379:Mugearite
248:, 3rd ed.
204:Dalradian
197:fissility
178:protolith
40:polarised
1267:Taconite
1242:Pyrolite
1167:Ganister
1137:Aphanite
1132:Appinite
1054:Phyllite
1039:Mylonite
1007:Hornfels
987:Eclogite
884:Mudstone
859:Laterite
819:Dolomite
736:Wehrlite
711:Trachyte
704:Hawaiite
682:Tonalite
677:Tephrite
630:Rhyolite
595:Porphyry
565:Obsidian
450:Essexite
401:Boninite
391:Basanite
349:Andesite
164:cleavage
156:graphite
134:chlorite
127:sericite
108:foliated
67:Phyllite
62:Phyllite
23:Phyllite
1287:Unakite
1217:Llanite
1182:Ijolite
1157:Felsite
1089:Suevite
924:Tillite
864:Lignite
804:Coquina
769:Breccia
662:Syenite
590:Picrite
505:Ijolite
465:Granite
433:Diorite
428:Diabase
344:Adakite
171:phyllon
1197:Kenyte
1172:Gossan
1069:Schist
1029:Marble
992:Gneiss
894:Oolite
759:Arkose
657:Sovite
647:Scoria
600:Pumice
560:Norite
530:Latite
460:Gabbro
445:Dunite
423:Dacite
369:Basalt
364:Aplite
186:pelite
145:schist
132:, and
123:quartz
42:light)
1323:This
1162:Flint
1084:Slate
1079:Skarn
944:Varve
909:Shale
829:Flint
784:Chert
779:Chalk
208:Arran
182:shale
141:slate
115:slate
1329:stub
934:Tufa
879:Marl
794:Coal
726:Tuff
176:The
130:mica
119:mica
103:-yte
1297:Wad
184:or
101:FIL
34:of
1374::
229:^
192:.
136:.
125:,
88:aɪ
1360:e
1353:t
1346:v
1335:.
322:e
315:t
308:v
94:/
91:t
85:l
82:ɪ
79:f
76:ˈ
73:/
69:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
