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60:) weight contents. Blue area is roughly where alkaline rocks plot; yellow area where subalkaline rocks plot.
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132:(shallow subsurface) environments. As a rule, the texture of these rocks is not the same as that of
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One or more of the preceding sentences incorporates text from a publication now in the
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301:. Vol. 2 (11th ed.). Cambridge University Press. p. 163.
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16:
Igneous rock composed of very small crystals invisible to the naked eye
163:. They consist essentially of very small crystals of minerals such as
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120:, in which the crystals are visible to the unaided eye). This
151:, having large crystals embedded in the fine groundmass, or
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255:
A classification of igneous rocks and glossary of terms
68:
An aphanitic volcanic sand grain, with fine-grained
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140:), with volcanic glass being non-crystalline (
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144:), and having a glass-like appearance.
48:according to their relative alkali (Na
7:
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1339:
1359:. You can help Knowledge (XXG) by
194:Common rocks that can be aphanitic
14:
1343:
275:
314:Dictionary of Geological Terms
253:Le Maitre, R. W., ed. (1989).
124:results from rapid cooling in
1:
318:American Geological Institute
41:classification of aphanitic
23:The smooth texture of this
1447:
1338:
312:Bates and Jackson (1984).
1431:Igneous petrology stubs
402:Basaltic trachyandesite
382:Alkali feldspar granite
298:Encyclopædia Britannica
178:, and may contain also
147:Aphanites are commonly
112:are not visible to the
97: 'invisible') are
74:petrographic microscope
1355:-related article is a
76:
61:
31:
792:Banded iron formation
105:that their component
67:
37:
22:
72:, as seen through a
1148:Specific varieties
122:geological texture
77:
62:
56:O) and silica (SiO
32:
1421:Subvolcanic rocks
1411:Igneous petrology
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578:Nepheline syenite
259:Blackwell Science
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1275:Rapakivi granite
987:Metamorphic rock
774:Sedimentary rock
643:Quartz monzonite
351:
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322:
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316:(3rd ed.).
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116:(in contrast to
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357:Types of rocks
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155:. The larger
134:volcanic glass
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518:Hyaloclastite
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284:public domain
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99:igneous rocks
96:
92:
89:
88:Ancient Greek
85:
81:
75:
71:
66:
47:
46:igneous rocks
44:
40:
36:
30:is aphanitic.
29:
28:volcanic bomb
26:
21:
1361:expanding it
1353:igneous rock
1350:
1335:
1250:Luxullianite
1230:Lapis lazuli
1175:Blue Granite
1164:
1102:Serpentinite
1077:Metapsammite
827:Conglomerate
749:Trondhjemite
727:Trachybasalt
668:Pantellerite
568:Monzogranite
513:Hornblendite
498:Granodiorite
364:Igneous rock
313:
307:
296:
254:
248:
146:
103:fine-grained
101:that are so
94:
91:
83:
79:
78:
1139:Whiteschist
1030:Greenschist
1010:Cataclasite
1000:Amphibolite
927:Phosphorite
877:Itacolumite
802:Calcarenite
648:Quartzolite
583:Nephelinite
553:Lamprophyre
508:Harzburgite
466:Napoleonite
439:Charnockite
434:Carbonatite
424:Blairmorite
387:Anorthosite
165:plagioclase
161:phenocrysts
159:are called
149:porphyritic
86:; from
1426:Rock stubs
1400:Categories
1305:Teschenite
1290:Shonkinite
1265:Pietersite
1260:Novaculite
1170:Borolanite
1155:Adamellite
1072:Metapelite
1040:Calcflinta
1005:Blueschist
995:Anthracite
977:Wackestone
957:Travertine
902:Lumachelle
882:Jaspillite
837:Diamictite
759:Websterite
744:Troctolite
720:Benmoreite
680:Shonkinite
653:Rhyodacite
633:Pyroxenite
603:Peridotite
563:Lherzolite
538:Kimberlite
528:Ignimbrite
523:Icelandite
503:Granophyre
412:Shoshonite
257:. Oxford:
241:References
188:orthoclase
172:hornblende
157:inclusions
130:hypabyssal
118:phanerites
70:groundmass
1320:Variolite
1310:Theralite
1300:Tachylite
1285:Rodingite
1255:Mangerite
1235:Larvikite
1220:Jasperoid
1215:Jadeitite
1180:Epidosite
1134:Tectonite
1127:Soapstone
1092:Quartzite
1062:Migmatite
1047:Itabirite
1025:Granulite
967:Turbidite
947:Sylvinite
942:Siltstone
932:Sandstone
917:Oil shale
897:Limestone
872:Gritstone
867:Greywacke
862:Geyserite
852:Evaporite
842:Diatomite
817:Claystone
782:Argillite
695:Tachylyte
663:Comendite
608:Phonolite
598:Pegmatite
573:Monzonite
548:Lamproite
543:Komatiite
483:Foidolite
444:Enderbite
407:Mugearite
225:Phonolite
142:amorphous
114:naked eye
95:(aphanḗs)
84:aphanitic
80:Aphanites
43:extrusive
1295:Taconite
1270:Pyrolite
1195:Ganister
1165:Aphanite
1160:Appinite
1082:Phyllite
1067:Mylonite
1035:Hornfels
1015:Eclogite
912:Mudstone
887:Laterite
847:Dolomite
764:Wehrlite
739:Trachyte
732:Hawaiite
710:Tonalite
705:Tephrite
658:Rhyolite
623:Porphyry
593:Obsidian
478:Essexite
429:Boninite
419:Basanite
377:Andesite
293:Aphanite
235:Trachyte
230:Rhyolite
210:Basanite
200:Andesite
168:feldspar
138:obsidian
126:volcanic
110:crystals
25:basaltic
1315:Unakite
1245:Llanite
1210:Ijolite
1185:Felsite
1117:Suevite
952:Tillite
892:Lignite
832:Coquina
797:Breccia
690:Syenite
618:Picrite
533:Ijolite
493:Granite
461:Diorite
456:Diabase
372:Adakite
286::
220:Felsite
180:biotite
170:, with
136:(e.g.,
107:mineral
1225:Kenyte
1200:Gossan
1097:Schist
1057:Marble
1020:Gneiss
922:Oolite
787:Arkose
685:Sovite
675:Scoria
628:Pumice
588:Norite
558:Latite
488:Gabbro
473:Dunite
451:Dacite
397:Basalt
392:Aplite
280:
215:Dacite
205:Basalt
186:, and
184:quartz
176:augite
153:matrix
93:αφανης
82:(adj.
1351:This
1190:Flint
1112:Slate
1107:Skarn
972:Varve
937:Shale
857:Flint
812:Chert
807:Chalk
90:
52:O + K
1357:stub
962:Tufa
907:Marl
822:Coal
754:Tuff
39:IUGS
1325:Wad
295:".
174:or
128:or
1402::
267:^
190:.
182:,
1388:e
1381:t
1374:v
1363:.
350:e
343:t
336:v
320:.
261:.
58:2
54:2
50:2
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
