29:
798:
935:
941:
462:
1397:
346:. During the rapid pressure reduction following the impact, steam expanded the newly formed lechatelierite. The shattered and expanded glass has a density less than that of water.
838:
894:
28:
924:
319:, are composed of almost pure silica that is almost pure lechatelierite. High pressure experiments have shown that shock pressures of 85
914:
909:
517:
889:
831:
1442:
899:
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884:
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824:
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1005:
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1125:
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1110:
1070:
89:
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1334:
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236:
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strike. The result is an irregular, branching, often foamy hollow tube of silica glass called a
1471:
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1231:
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1010:
267:
One common way in which lechatelierite forms naturally is by very high temperature melting of
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1375:
1359:
1307:
152:
1025:
707:
389:
8:
960:
355:
produced by melting of quartz sand at the first nuclear bomb explosion at
Trinity Flats,
315:
185:
175:
1416:
393:
279:. Not all fulgurites are lechatelierite; the original sand must be nearly pure silica.
1271:
1176:
446:
407:
335:
283:
142:
1075:
1035:
1324:
1130:
1080:
1065:
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590:
537:
411:
252:
1060:
1349:
1221:
1055:
1000:
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768:
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Formation of
Lechatelierite and Impact Melt Glasses in Experimentally Shocked Rocks
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1135:
858:
339:
320:
290:
132:
816:
1344:
1266:
1256:
863:
773:
550:
301:. Most tektites are blobs of impure glassy material, but tektites from the
114:
1115:
1020:
934:
702:
402:
377:
33:
Lechatelierite created by a high voltage power line arcing on rocky soil
1408:
1281:
1181:
783:
712:
679:
598:
575:
570:
435:
248:
232:
424:
349:
Lechatelierite may also form artificially, a unique example being the
1246:
1241:
1226:
740:
692:
631:
580:
351:
331:
287:
276:
272:
224:
451:, Lunar and Planetary Science XXIX 1671.pdf retrieved Sept. 13, 2014
763:
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323:
are needed to produce lechatelierite in quartz grains embedded in
1404:
1291:
1286:
1191:
1186:
735:
555:
545:
529:
343:
324:
298:
205:
750:
613:
565:
302:
294:
268:
256:
220:
1396:
687:
662:
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603:
310:
306:
255:. Although not a true mineral, it is often classified in the
727:
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641:
282:
Lechatelierite also forms as the result of high pressure
487:"Lechatelierite Mineral Data" on Mineralogy Database
330:Lechatelierite was formed during the impact of a
1453:
293:and is a common component of a type of glassy
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846:
832:
511:
1443:
1429:
839:
825:
518:
504:
401:
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820:
499:
418:
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378:"IMA–CNMNC approved mineral symbols"
375:
525:
455:
13:
467:American Museum of Natural History
14:
1483:
447:C. Schrand and A. Deutsch, 1998,
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939:
933:
796:
27:
1403:This article about a specific
480:
440:
429:
369:
1:
1370:Lunar and Planetary Institute
1202:Cretaceous–Paleogene boundary
436:Libyan Desert Glass on Mindat
362:
1415:. You can help Knowledge by
425:Lechatelierite on Mindat.org
262:
242:
7:
1262:Planar deformation features
10:
1488:
1390:
1365:Impact Field Studies Group
463:"Puffed up and pulverised"
1300:
1169:
948:
931:
872:
854:
848:Impact cratering on Earth
792:
749:
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678:
671:
650:
622:
589:
536:
204:
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113:
108:
98:
88:
78:
68:
51:
43:
38:
26:
21:
1335:William Kenneth Hartmann
1001:Clearwater East and West
949:Confirmed≥20 km diameter
237:Henry Louis Le Chatelier
1252:Ordovician meteor event
357:White Sands, New Mexico
1355:Eugene Merle Shoemaker
1232:Late Heavy Bombardment
382:Mineralogical Magazine
251:as it does not have a
1462:Impact event minerals
1376:Traces of Catastrophe
1360:Earth Impact Database
1308:Ralph Belknap Baldwin
80:Strunz classification
247:Lechatelierite is a
803:Minerals portal
403:10.1180/mgm.2021.43
394:2021MinM...85..291W
376:Warr, L.N. (2021).
316:Libyan desert glass
90:Dana classification
1272:Shock metamorphism
1177:Alvarez hypothesis
336:Coconino Sandstone
284:shock metamorphism
235:. It is named for
231:, non-crystalline
1424:
1423:
1385:
1384:
1325:Edward C. T. Chao
814:
813:
810:
809:
698:Chrome chalcedony
672:Notable varieties
591:Cryptocrystalline
253:crystal structure
214:
213:
127:Colourless, white
1479:
1445:
1438:
1431:
1399:
1392:
1350:Peter H. Schultz
1313:Daniel Barringer
1222:Impact structure
943:
937:
841:
834:
827:
818:
817:
801:
800:
799:
769:Herkimer diamond
676:
675:
520:
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477:
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334:into a layer of
291:impact cratering
167:
58:
57:(repeating unit)
31:
19:
18:
1487:
1486:
1482:
1481:
1480:
1478:
1477:
1476:
1467:Glass in nature
1452:
1451:
1450:
1449:
1388:
1386:
1381:
1330:Robert S. Dietz
1318:Barringer Medal
1296:
1207:Cryptoexplosion
1165:
1096:Puchezh-Katunki
1076:Nördlinger Ries
944:
938:
929:
895:Asia and Russia
868:
850:
845:
815:
806:
797:
795:
788:
745:
722:
667:
646:
618:
585:
532:
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259:mineral group.
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34:
17:
12:
11:
5:
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1284:
1279:
1277:Shocked quartz
1274:
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1264:
1259:
1254:
1249:
1244:
1239:
1237:Lechatelierite
1234:
1229:
1224:
1219:
1214:
1212:Ejecta blanket
1209:
1204:
1199:
1197:Complex crater
1194:
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1038:
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993:
991:Chesapeake Bay
988:
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829:
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793:
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779:Shocked quartz
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755:
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682:
673:
669:
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652:
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639:
637:Lechatelierite
634:
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417:
388:(3): 291–320.
367:
366:
364:
361:
271:sand during a
264:
261:
244:
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228:
217:Lechatelierite
212:
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109:Identification
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100:Crystal system
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36:
35:
32:
24:
23:
22:Lechatelierite
15:
9:
6:
4:
3:
2:
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1473:
1472:Mineral stubs
1470:
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1340:H. Jay Melosh
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1217:Impact crater
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1121:Slate Islands
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915:South America
913:
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910:North America
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859:Impact crater
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689:
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655:
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651:Miscellaneous
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391:
387:
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379:
372:
368:
360:
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354:
353:
347:
345:
341:
340:Meteor Crater
337:
333:
328:
326:
322:
318:
317:
312:
308:
304:
303:Sahara Desert
300:
296:
292:
289:
285:
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274:
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254:
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133:Crystal habit
130:
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118:
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107:
103:
101:
97:
93:
91:
87:
83:
81:
77:
73:
71:
67:
60:
54:
50:
46:
42:
37:
30:
25:
20:
1417:expanding it
1402:
1387:
1374:
1345:Graham Ryder
1267:Shatter cone
1257:Philippinite
1236:
1106:Saint Martin
1101:Rochechouart
1006:Gosses Bluff
961:Amelia Creek
864:Impact event
794:
774:Smoky quartz
636:
551:Cristobalite
482:
472:14 September
470:. Retrieved
457:
448:
442:
431:
420:
385:
381:
371:
350:
348:
329:
314:
281:
266:
246:
216:
215:
137:Porcelainous
115:Formula mass
1141:Tookoonooka
1126:Steen River
1116:Siljan Ring
1046:Manicouagan
1031:Keurusselkä
703:Chrysoprase
658:Tiger's eye
538:Crystalline
313:, known as
200:Translucent
196:Diaphaneity
1456:Categories
1409:mineraloid
1282:Stishovite
1182:Australite
1161:Yarrabubba
1131:Strangways
1091:Presqu'île
1066:Montagnais
1036:Lappajärvi
986:Charlevoix
971:Beaverhead
966:Araguainha
920:By country
890:Antarctica
784:Prasiolite
713:Moss agate
708:Heliotrope
680:Chalcedony
599:Chalcedony
576:Stishovite
571:Seifertite
363:References
249:mineraloid
233:mineraloid
163:Mohs scale
157:Conchoidal
70:IMA symbol
16:Mineraloid
1247:Moldavite
1242:Meteorite
1227:Impactite
1156:Woodleigh
1151:Vredefort
1111:Shoemaker
1071:Morokweng
1056:Mistastin
996:Chicxulub
900:Australia
880:Worldwide
741:Geyserite
693:Carnelian
632:Fulgurite
624:Amorphous
581:Tridymite
412:235729616
352:trinitite
332:meteorite
288:meteorite
277:fulgurite
273:lightning
263:Formation
243:Structure
225:amorphous
104:Amorphous
84:4/D.01-10
1301:Research
1146:Tunnunik
1041:Logancha
1011:Haughton
981:Carswell
925:Possible
764:Ametrine
759:Amethyst
561:Moganite
530:minerals
299:tektites
210:2.5–2.65
180:Vitreous
166:hardness
153:Fracture
143:Cleavage
119:60.08 gm
94:75.0.0.0
44:Category
1405:mineral
1292:Tektite
1287:Suevite
1192:Coesite
1187:Breccia
1136:Sudbury
1086:Popigai
1081:Obolon'
1061:Mjølnir
1026:Karakul
1016:Kamensk
976:Boltysh
956:Acraman
736:Fiorite
556:Keatite
546:Coesite
390:Bibcode
344:Arizona
325:granite
297:called
286:during
223:glass,
206:Density
53:Formula
39:General
1170:Topics
1051:Manson
905:Europe
885:Africa
751:Quartz
614:Jasper
566:Quartz
527:Silica
410:
295:ejecta
269:quartz
257:quartz
221:silica
186:Streak
176:Luster
124:Colour
47:Oxides
1411:is a
873:Lists
688:Agate
663:Aqeeq
609:Flint
604:Chert
408:S2CID
311:Egypt
307:Libya
190:White
1413:stub
1021:Kara
728:Opal
718:Onyx
642:Opal
474:2014
309:and
147:None
1407:or
398:doi
342:in
338:at
321:GPa
305:in
227:SiO
219:is
170:6.5
74:Lch
61:SiO
1458::
465:.
406:.
396:.
386:85
384:.
380:.
359:.
327:.
239:.
1444:e
1437:t
1430:v
1419:.
840:e
833:t
826:v
519:e
512:t
505:v
489:.
476:.
414:.
400::
392::
229:2
63:2
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
