35:
1235:
20:
1678:
1702:
1449:
1714:
1690:
64:
examination or chemical analysis for more precise definition. Color is generally white through light gray, or red to tan and may include any color except dark gray, green or black (the colors of
1276:
1631:
1269:
164:"Intrusive history of the Slieve Gullion ring dyke, Ireland: implications for the internal structure of silicic sub-caldera magma chambers"
1307:
234:
150:
1750:
1718:
1262:
34:
163:
88:, and may be termed a quartz felsite or quartz porphyry if the quartz phenocrysts are present. This rock is typically of
126:
may precipitate along rock crevices, giving some rock chunk surfaces multicolored or arborescent patterned textures.
1740:
1661:
1656:
1234:
1745:
1300:
299:
267:
227:
719:
684:
1694:
175:
162:
McDonnell, S.; Troll, V. R.; Emeleus, C. H.; Meighan, I. G.; Brock, D.; Gould, R. J. (October 2004).
109:
19:
1701:
969:
1682:
1626:
1413:
1388:
1293:
515:
220:
199:
85:
24:
1621:
1480:
1418:
1242:
475:
191:
146:
1706:
1636:
1605:
1600:
1383:
1167:
879:
666:
535:
183:
115:
69:
1575:
1438:
1350:
1340:
979:
739:
592:
104:. Its fine texture and felsic components allow for good knapped pieces, much like working
179:
92:
origin, formed by compaction of fine volcanic ash, and may be found in association with
1651:
1580:
1398:
1378:
1246:
1172:
1014:
607:
530:
292:
38:
1734:
1646:
1550:
1457:
1433:
1408:
1403:
1393:
1217:
1132:
1097:
944:
510:
415:
287:
203:
53:
1641:
1585:
1423:
1355:
1142:
1122:
994:
641:
619:
560:
465:
410:
395:
249:
61:
1535:
1490:
1465:
1373:
1345:
1335:
1031:
922:
902:
892:
819:
769:
694:
540:
480:
450:
405:
363:
336:
331:
321:
272:
81:
1560:
1510:
1485:
1197:
1182:
1157:
1152:
1062:
1047:
964:
932:
897:
887:
869:
849:
794:
774:
729:
651:
636:
612:
572:
545:
525:
500:
460:
435:
425:
420:
400:
309:
119:
101:
27:
195:
187:
1545:
1530:
1515:
1448:
1363:
1212:
1202:
1192:
1177:
1147:
1127:
1112:
1107:
1072:
1067:
1026:
1019:
984:
954:
939:
917:
859:
839:
834:
824:
809:
789:
764:
759:
754:
744:
734:
709:
674:
587:
555:
505:
495:
470:
445:
440:
380:
341:
304:
89:
65:
60:. Felsite is a field term for a light-colored rock that typically requires
1590:
1565:
1540:
1470:
1187:
1162:
1087:
1057:
1052:
974:
959:
927:
907:
804:
779:
656:
631:
624:
602:
597:
550:
490:
375:
326:
316:
262:
123:
97:
93:
1520:
1330:
1316:
1207:
1137:
1102:
1009:
844:
784:
724:
689:
582:
430:
390:
358:
353:
257:
57:
16:
Very fine-grained volcanic rock that sometimes contains larger crystals
1570:
1555:
1525:
1500:
1495:
1475:
1428:
1117:
1092:
989:
949:
912:
814:
679:
577:
567:
520:
485:
455:
385:
370:
348:
282:
277:
77:
73:
100:. In some cases, it is sufficiently fine-grained for use in making
1082:
1004:
999:
864:
829:
749:
704:
699:
105:
42:
33:
18:
212:
1595:
1368:
854:
799:
714:
646:
1289:
216:
1285:
1250:
1614:
1456:
1323:
1040:
878:
665:
248:
68:). The mass of the rock consists of a fine-grained
141:Klein, Cornelis and Hurlbut, Cornelius S. (1986),
1301:
1270:
228:
8:
1308:
1294:
1286:
1277:
1263:
235:
221:
213:
134:
7:
1689:
1231:
1229:
1713:
56:that may or may not contain larger
14:
1712:
1700:
1688:
1677:
1676:
1447:
1233:
1:
1249:. You can help Knowledge by
122:and/or iron oxides such as
1767:
1228:
1672:
1445:
118:manganese oxides such as
1351:Cryptovolcanic structure
188:10.1180/0026461046850215
76:materials, particularly
52:is a very fine-grained
1751:Igneous petrology stubs
1632:Eruptions by death toll
300:Basaltic trachyandesite
268:Alkali feldspar granite
168:Mineralogical Magazine
46:
31:
685:Banded iron formation
143:Manual of Mineralogy,
37:
23:Felsite covered with
22:
1241:This article about
180:2004MinM...68..725M
110:conchoidal fracture
1627:Lists of volcanoes
1414:Subglacial volcano
1389:Pyroclastic shield
1041:Specific varieties
86:potassium feldspar
47:
32:
1741:Igneous petrology
1728:
1727:
1481:Basaltic andesite
1419:Submarine volcano
1258:
1257:
1243:igneous petrology
1226:
1225:
476:Nepheline syenite
1758:
1716:
1715:
1704:
1692:
1691:
1680:
1679:
1637:Decade Volcanoes
1615:Lists and groups
1606:Pyroclastic flow
1601:Pyroclastic fall
1451:
1384:Pyroclastic cone
1310:
1303:
1296:
1287:
1279:
1272:
1265:
1237:
1230:
1168:Rapakivi granite
880:Metamorphic rock
667:Sedimentary rock
536:Quartz monzonite
237:
230:
223:
214:
208:
207:
159:
153:
139:
1766:
1765:
1761:
1760:
1759:
1757:
1756:
1755:
1731:
1730:
1729:
1724:
1668:
1610:
1576:Tephriphonolite
1452:
1443:
1439:Harmonic tremor
1341:Complex volcano
1319:
1314:
1284:
1283:
1227:
1222:
1036:
980:Pseudotachylite
874:
661:
593:Tephriphonolite
244:
241:
211:
161:
160:
156:
140:
136:
132:
17:
12:
11:
5:
1764:
1762:
1754:
1753:
1748:
1746:Volcanic rocks
1743:
1733:
1732:
1726:
1725:
1723:
1722:
1710:
1698:
1686:
1673:
1670:
1669:
1667:
1666:
1665:
1664:
1659:
1652:Volcanic field
1649:
1644:
1639:
1634:
1629:
1624:
1618:
1616:
1612:
1611:
1609:
1608:
1603:
1598:
1593:
1588:
1583:
1581:Trachyandesite
1578:
1573:
1568:
1563:
1558:
1553:
1548:
1543:
1538:
1533:
1528:
1523:
1518:
1513:
1508:
1503:
1498:
1493:
1488:
1483:
1478:
1473:
1468:
1462:
1460:
1458:Volcanic rocks
1454:
1453:
1446:
1444:
1442:
1441:
1436:
1431:
1426:
1421:
1416:
1411:
1406:
1401:
1399:Shield volcano
1396:
1391:
1386:
1381:
1379:Parasitic cone
1376:
1371:
1366:
1361:
1358:
1353:
1348:
1343:
1338:
1333:
1327:
1325:
1321:
1320:
1315:
1313:
1312:
1305:
1298:
1290:
1282:
1281:
1274:
1267:
1259:
1256:
1255:
1238:
1224:
1223:
1221:
1220:
1215:
1210:
1205:
1200:
1195:
1190:
1185:
1180:
1175:
1173:Rhomb porphyry
1170:
1165:
1160:
1155:
1150:
1145:
1140:
1135:
1130:
1125:
1120:
1115:
1110:
1105:
1100:
1095:
1090:
1085:
1080:
1075:
1070:
1065:
1060:
1055:
1050:
1044:
1042:
1038:
1037:
1035:
1034:
1029:
1024:
1023:
1022:
1015:Talc carbonate
1012:
1007:
1002:
997:
992:
987:
982:
977:
972:
967:
962:
957:
952:
947:
942:
937:
936:
935:
925:
920:
915:
910:
905:
900:
895:
890:
884:
882:
876:
875:
873:
872:
867:
862:
857:
852:
847:
842:
837:
832:
827:
822:
817:
812:
807:
802:
797:
792:
787:
782:
777:
772:
767:
762:
757:
752:
747:
742:
737:
732:
727:
722:
717:
712:
707:
702:
697:
692:
687:
682:
677:
671:
669:
663:
662:
660:
659:
654:
649:
644:
639:
634:
629:
628:
627:
617:
616:
615:
608:Trachyandesite
605:
600:
595:
590:
585:
580:
575:
570:
565:
564:
563:
558:
548:
543:
538:
533:
531:Quartz diorite
528:
523:
518:
513:
508:
503:
498:
493:
488:
483:
478:
473:
468:
463:
458:
453:
448:
443:
438:
433:
428:
423:
418:
413:
408:
403:
398:
393:
388:
383:
378:
373:
368:
367:
366:
356:
351:
346:
345:
344:
334:
329:
324:
319:
314:
313:
312:
307:
297:
296:
295:
293:Picrite basalt
290:
280:
275:
270:
265:
260:
254:
252:
246:
245:
243:Types of rocks
242:
240:
239:
232:
225:
217:
210:
209:
174:(5): 725–738.
154:
145:Wiley, p. 484
133:
131:
128:
41:of felsite on
15:
13:
10:
9:
6:
4:
3:
2:
1763:
1752:
1749:
1747:
1744:
1742:
1739:
1738:
1736:
1721:
1720:
1711:
1709:
1708:
1703:
1699:
1697:
1696:
1687:
1685:
1684:
1675:
1674:
1671:
1663:
1660:
1658:
1655:
1654:
1653:
1650:
1648:
1647:Volcanic belt
1645:
1643:
1640:
1638:
1635:
1633:
1630:
1628:
1625:
1623:
1620:
1619:
1617:
1613:
1607:
1604:
1602:
1599:
1597:
1594:
1592:
1589:
1587:
1584:
1582:
1579:
1577:
1574:
1572:
1569:
1567:
1564:
1562:
1559:
1557:
1554:
1552:
1551:Phonotephrite
1549:
1547:
1544:
1542:
1539:
1537:
1534:
1532:
1529:
1527:
1524:
1522:
1519:
1517:
1514:
1512:
1509:
1507:
1504:
1502:
1499:
1497:
1494:
1492:
1489:
1487:
1484:
1482:
1479:
1477:
1474:
1472:
1469:
1467:
1464:
1463:
1461:
1459:
1455:
1450:
1440:
1437:
1435:
1434:Volcanic cone
1432:
1430:
1427:
1425:
1422:
1420:
1417:
1415:
1412:
1410:
1409:Stratovolcano
1407:
1405:
1404:Somma volcano
1402:
1400:
1397:
1395:
1394:Rootless cone
1392:
1390:
1387:
1385:
1382:
1380:
1377:
1375:
1372:
1370:
1367:
1365:
1362:
1359:
1357:
1354:
1352:
1349:
1347:
1344:
1342:
1339:
1337:
1334:
1332:
1329:
1328:
1326:
1322:
1318:
1311:
1306:
1304:
1299:
1297:
1292:
1291:
1288:
1280:
1275:
1273:
1268:
1266:
1261:
1260:
1254:
1252:
1248:
1244:
1239:
1236:
1232:
1219:
1216:
1214:
1211:
1209:
1206:
1204:
1201:
1199:
1196:
1194:
1191:
1189:
1186:
1184:
1181:
1179:
1176:
1174:
1171:
1169:
1166:
1164:
1161:
1159:
1156:
1154:
1151:
1149:
1146:
1144:
1141:
1139:
1136:
1134:
1133:Litchfieldite
1131:
1129:
1126:
1124:
1121:
1119:
1116:
1114:
1111:
1109:
1106:
1104:
1101:
1099:
1098:Hyaloclastite
1096:
1094:
1091:
1089:
1086:
1084:
1081:
1079:
1076:
1074:
1071:
1069:
1066:
1064:
1061:
1059:
1056:
1054:
1051:
1049:
1046:
1045:
1043:
1039:
1033:
1030:
1028:
1025:
1021:
1018:
1017:
1016:
1013:
1011:
1008:
1006:
1003:
1001:
998:
996:
993:
991:
988:
986:
983:
981:
978:
976:
973:
971:
968:
966:
963:
961:
958:
956:
953:
951:
948:
946:
945:Litchfieldite
943:
941:
938:
934:
931:
930:
929:
926:
924:
921:
919:
916:
914:
911:
909:
906:
904:
901:
899:
896:
894:
891:
889:
886:
885:
883:
881:
877:
871:
868:
866:
863:
861:
858:
856:
853:
851:
848:
846:
843:
841:
838:
836:
833:
831:
828:
826:
823:
821:
818:
816:
813:
811:
808:
806:
803:
801:
798:
796:
793:
791:
788:
786:
783:
781:
778:
776:
773:
771:
768:
766:
763:
761:
758:
756:
753:
751:
748:
746:
743:
741:
738:
736:
733:
731:
728:
726:
723:
721:
718:
716:
713:
711:
708:
706:
703:
701:
698:
696:
693:
691:
688:
686:
683:
681:
678:
676:
673:
672:
670:
668:
664:
658:
655:
653:
650:
648:
645:
643:
640:
638:
635:
633:
630:
626:
623:
622:
621:
618:
614:
611:
610:
609:
606:
604:
601:
599:
596:
594:
591:
589:
586:
584:
581:
579:
576:
574:
571:
569:
566:
562:
559:
557:
554:
553:
552:
549:
547:
544:
542:
539:
537:
534:
532:
529:
527:
524:
522:
519:
517:
514:
512:
511:Phonotephrite
509:
507:
504:
502:
499:
497:
494:
492:
489:
487:
484:
482:
479:
477:
474:
472:
469:
467:
464:
462:
459:
457:
454:
452:
449:
447:
444:
442:
439:
437:
434:
432:
429:
427:
424:
422:
419:
417:
416:Hyaloclastite
414:
412:
409:
407:
404:
402:
399:
397:
394:
392:
389:
387:
384:
382:
379:
377:
374:
372:
369:
365:
362:
361:
360:
357:
355:
352:
350:
347:
343:
340:
339:
338:
335:
333:
330:
328:
325:
323:
320:
318:
315:
311:
308:
306:
303:
302:
301:
298:
294:
291:
289:
288:Alkali basalt
286:
285:
284:
281:
279:
276:
274:
271:
269:
266:
264:
261:
259:
256:
255:
253:
251:
247:
238:
233:
231:
226:
224:
219:
218:
215:
205:
201:
197:
193:
189:
185:
181:
177:
173:
169:
165:
158:
155:
152:
151:0-471-80580-7
148:
144:
138:
135:
129:
127:
125:
121:
117:
113:
111:
107:
103:
99:
95:
91:
87:
83:
79:
75:
71:
67:
63:
59:
55:
54:volcanic rock
51:
44:
40:
36:
29:
26:
21:
1717:
1705:
1693:
1681:
1642:Volcanic arc
1586:Trachybasalt
1505:
1424:Supervolcano
1356:Fissure vent
1251:expanding it
1240:
1143:Luxullianite
1123:Lapis lazuli
1077:
1068:Blue Granite
995:Serpentinite
970:Metapsammite
720:Conglomerate
642:Trondhjemite
620:Trachybasalt
561:Pantellerite
466:Monzogranite
411:Hornblendite
396:Granodiorite
250:Igneous rock
171:
167:
157:
142:
137:
114:
108:, producing
62:petrographic
49:
48:
1719:WikiProject
1662:polygenetic
1657:monogenetic
1536:Nephelinite
1491:Blairmorite
1466:Agglomerate
1374:Mud volcano
1346:Cryovolcano
1336:Cinder cone
1032:Whiteschist
923:Greenschist
903:Cataclasite
893:Amphibolite
820:Phosphorite
770:Itacolumite
695:Calcarenite
541:Quartzolite
481:Nephelinite
451:Lamprophyre
406:Harzburgite
364:Napoleonite
337:Charnockite
332:Carbonatite
322:Blairmorite
273:Anorthosite
102:stone tools
45:in Scotland
30:formations.
1735:Categories
1561:Rhyodacite
1511:Ignimbrite
1486:Benmoreite
1198:Teschenite
1183:Shonkinite
1158:Pietersite
1153:Novaculite
1063:Borolanite
1048:Adamellite
965:Metapelite
933:Calcflinta
898:Blueschist
888:Anthracite
870:Wackestone
850:Travertine
795:Lumachelle
775:Jaspillite
730:Diamictite
652:Websterite
637:Troctolite
613:Benmoreite
573:Shonkinite
546:Rhyodacite
526:Pyroxenite
501:Peridotite
461:Lherzolite
436:Kimberlite
426:Ignimbrite
421:Icelandite
401:Granophyre
310:Shoshonite
130:References
120:pyrolusite
28:pyrolusite
1546:Phonolite
1531:Leucitite
1516:Komatiite
1364:Lava dome
1360:Lava cone
1317:Volcanoes
1213:Variolite
1203:Theralite
1193:Tachylite
1178:Rodingite
1148:Mangerite
1128:Larvikite
1113:Jasperoid
1108:Jadeitite
1073:Epidosite
1027:Tectonite
1020:Soapstone
985:Quartzite
955:Migmatite
940:Itabirite
918:Granulite
860:Turbidite
840:Sylvinite
835:Siltstone
825:Sandstone
810:Oil shale
790:Limestone
765:Gritstone
760:Greywacke
755:Geyserite
745:Evaporite
735:Diatomite
710:Claystone
675:Argillite
588:Tachylyte
556:Comendite
506:Phonolite
496:Pegmatite
471:Monzonite
446:Lamproite
441:Komatiite
381:Foidolite
342:Enderbite
305:Mugearite
204:140159457
196:0026-461X
116:Dendritic
90:extrusive
66:trap rock
25:dendritic
1683:Category
1591:Trachyte
1566:Rhyolite
1541:Obsidian
1471:Andesite
1188:Taconite
1163:Pyrolite
1088:Ganister
1058:Aphanite
1053:Appinite
975:Phyllite
960:Mylonite
928:Hornfels
908:Eclogite
805:Mudstone
780:Laterite
740:Dolomite
657:Wehrlite
632:Trachyte
625:Hawaiite
603:Tonalite
598:Tephrite
551:Rhyolite
516:Porphyry
491:Obsidian
376:Essexite
327:Boninite
317:Basanite
263:Andesite
124:limonite
98:rhyolite
94:obsidian
58:crystals
1695:Commons
1622:Hotspot
1521:Lapilli
1506:Felsite
1331:Caldera
1208:Unakite
1138:Llanite
1103:Ijolite
1078:Felsite
1010:Suevite
845:Tillite
785:Lignite
725:Coquina
690:Breccia
583:Syenite
431:Ijolite
391:Granite
359:Diorite
354:Diabase
258:Adakite
176:Bibcode
50:Felsite
1707:Portal
1571:Tephra
1556:Pumice
1526:Latite
1501:Dacite
1496:Cinder
1476:Basalt
1429:Tossol
1118:Kenyte
1093:Gossan
990:Schist
950:Marble
913:Gneiss
815:Oolite
680:Arkose
578:Sovite
568:Scoria
521:Pumice
486:Norite
456:Latite
386:Gabbro
371:Dunite
349:Dacite
283:Basalt
278:Aplite
202:
194:
149:
82:sodium
78:quartz
74:felsic
70:matrix
1324:Types
1245:is a
1083:Flint
1005:Slate
1000:Skarn
865:Varve
830:Shale
750:Flint
705:Chert
700:Chalk
200:S2CID
106:chert
43:Islay
1596:Tuff
1369:Maar
1247:stub
855:Tufa
800:Marl
715:Coal
647:Tuff
192:ISSN
147:ISBN
112:.
96:and
84:and
39:Dike
1218:Wad
184:doi
72:of
1737::
198:.
190:.
182:.
172:68
170:.
166:.
80:,
1309:e
1302:t
1295:v
1278:e
1271:t
1264:v
1253:.
236:e
229:t
222:v
206:.
186::
178::
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