30:
595:
272:
37:
601:
258:
233:
The structure is apparently well preserved from erosion, measures around 20 kilometres (12 mi) in diameter, and is buried by 4 kilometres (13,000 ft) of rocks deposited after the impact time, which occurred in the
238:(85.8 to 83.5 Ma). The central uplift is well defined, with a diameter of 4.5 kilometres (2.8 mi), which is surrounded by concentric annular troughs. Further investigation is needed to acquire data on
218:, Brazil. The identification of this structure is based on the interpretation of three-dimensional seismic data, acquired and processed in 2004 for petroleum exploration in a
498:
375:, 9th International Congress of the Brazilian Geophysical Society & EXPOGEF, Salvador, Bahia, Brazil, 11–14 September 2005, pp. 439–442,
554:
226:
rocks, are a structural high in the center of the crater, an adjacent ring syncline, and, externally, several concentric circular listric
584:
285:
126:
574:
569:
1062:
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491:
290:
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373:
9th
International Congress of the Brazilian Geophysical Society & EXPOGEF, Salvador, Bahia, Brazil, 11-14 September 2005
564:
544:
1067:
579:
539:
507:
484:
29:
1057:
861:
369:"3D Seismic Interpretation of the Praia Grande Impact Structure – Upper Cretaceous of Santos Basin, Offshore Brazil"
367:
Correia, Gustavo
Alberto; CorrĂŞa de Menezes, Jorge Rui; Vital Bueno, Gilmar; Jung Marques, Edmundo Julio (2005),
1029:
765:
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665:
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119:
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891:
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670:
1082:
1035:
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in 2004. Further investigation is needed to obtain more information on the structure. The
171:
8:
620:
74:
409:
931:
836:
295:
239:
222:
concession block in the Santos Basin. The principal morphological elements, imposed on
735:
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214:, approximately 200 kilometres (120 mi) southeast from the coastline of
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112:
775:
680:
594:
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Série: Astroblemas no Brasil – crateras de impacto brasileiras – MG e SP
941:
841:
223:
271:
906:
901:
886:
235:
219:
195:
81:
442:
Impact Crater Brazil - Crateras de impacto em MG e SP - Praia Grande
600:
951:
946:
851:
846:
395:"Update on the current knowledge of the Brazilian impact craters"
182:
is a 20 kilometres (12 mi) diameter circular feature in the
187:
161:
404:(1719), 44th Lunar and Planetary Science Conference: 1–2,
459:
The
Complete Catalog of the Earth's Impact structures
253:
402:44th Annual Lunar and Planetary Science Conference
392:
202:lists the structure as a probable impact crater.
1049:
321:
314:
312:
310:
506:
492:
330:
307:
286:List of possible impact structures on Earth
36:
499:
485:
393:CrĂłsta, A.P.; Vasconcelos, M.A.R. (2013),
210:The Praia Grande crater is located in the
194:that has been identified on 3D seismic by
348:
339:
455:
445:, Exoss Citizen Science, pp. 00:50
291:List of impact craters in South America
1050:
438:
421:
44:Location of the crater offshore Brazil
480:
336:CrĂłsta & Vasconcelos, 2013, p.2
13:
428:, Exoss Citizen Science, p. 1
14:
1094:
1063:Possible impact craters on Earth
599:
593:
439:Exoss, Citizen Science (2017b),
422:Exoss, Citizen Science (2017a),
270:
256:
35:
28:
360:
205:
1:
1030:Lunar and Planetary Institute
862:Cretaceous–Paleogene boundary
301:
7:
922:Planar deformation features
464:Russian Academy of Sciences
327:Correia et al., 2005, p.439
249:
200:Russian Academy of Sciences
10:
1099:
1025:Impact Field Studies Group
1068:Cretaceous impact craters
960:
829:
608:
591:
532:
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508:Impact cratering on Earth
167:
157:
118:
108:
103:
95:
87:
73:
65:
57:
52:
23:
18:
1058:Impact craters of Brazil
995:William Kenneth Hartmann
661:Clearwater East and West
609:Confirmed≥20 km diameter
912:Ordovician meteor event
456:Mikheeva, Anna (2017),
69:20 km (12 mi)
53:Impact crater/structure
1015:Eugene Merle Shoemaker
892:Late Heavy Bombardment
1036:Traces of Catastrophe
1020:Earth Impact Database
968:Ralph Belknap Baldwin
142:25.64722°S 45.62500°W
381:10.1190/sbgf2005-091
147:-25.64722; -45.62500
410:2013LPI....44.1318C
190:. It is a possible
180:Praia Grande crater
138: /
19:Praia Grande crater
932:Shock metamorphism
837:Alvarez hypothesis
296:Santa Marta crater
240:shock metamorphism
1073:Cretaceous Brazil
1045:
1044:
985:Edward C. T. Chao
177:
176:
1090:
1010:Peter H. Schultz
973:Daniel Barringer
882:Impact structure
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224:Upper Cretaceous
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1078:Santonian Stage
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990:Robert S. Dietz
978:Barringer Medal
956:
867:Cryptoexplosion
825:
756:Puchezh-Katunki
736:Nördlinger Ries
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598:
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555:Asia and Russia
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216:SĂŁo Paulo State
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79:85.8 to 83.5 Ma
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897:Lechatelierite
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857:Complex crater
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651:Chesapeake Bay
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278:Geology portal
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877:Impact crater
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781:Slate Islands
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575:South America
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570:North America
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519:Impact crater
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264:Brazil portal
254:
247:
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244:shatter cones
241:
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228:normal faults
225:
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192:impact crater
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1083:Santos Basin
1034:
1005:Graham Ryder
927:Shatter cone
917:Philippinite
766:Saint Martin
761:Rochechouart
666:Gosses Bluff
621:Amelia Creek
524:Impact event
468:, retrieved
458:
447:, retrieved
441:
430:, retrieved
424:
413:, retrieved
401:
384:, retrieved
372:
361:Bibliography
354:Exoss, 2017b
350:
345:Exoss, 2017a
341:
332:
323:
232:
212:Santos Basin
209:
184:Santos Basin
179:
178:
113:Santos Basin
801:Tookoonooka
786:Steen River
776:Siljan Ring
706:Manicouagan
691:Keurusselkä
466:, p. 1
206:Description
145: /
120:Coordinates
1052:Categories
942:Stishovite
842:Australite
821:Yarrabubba
791:Strangways
751:Presqu'île
726:Montagnais
696:Lappajärvi
646:Charlevoix
631:Beaverhead
626:Araguainha
580:By country
550:Antarctica
470:2017-10-10
449:2017-10-10
432:2017-10-10
415:2017-10-10
386:2017-10-10
302:References
133:45°37′30″W
130:25°38′50″S
58:Confidence
907:Moldavite
902:Meteorite
887:Impactite
816:Woodleigh
811:Vredefort
771:Shoemaker
731:Morokweng
716:Mistastin
656:Chicxulub
560:Australia
540:Worldwide
236:Santonian
220:Petrobras
196:Petrobras
186:offshore
172:SĂŁo Paulo
82:Santonian
961:Research
806:Tunnunik
701:Logancha
671:Haughton
641:Carswell
585:Possible
250:See also
109:Location
104:Location
66:Diameter
61:Probable
952:Tektite
947:Suevite
852:Coesite
847:Breccia
796:Sudbury
746:Popigai
741:Obolon'
721:Mjølnir
686:Karakul
676:Kamensk
636:Boltysh
616:Acraman
406:Bibcode
158:Country
96:Drilled
88:Exposed
830:Topics
711:Manson
565:Europe
545:Africa
188:Brazil
162:Brazil
533:Lists
398:(PDF)
168:State
681:Kara
242:and
377:doi
75:Age
1054::
462:,
400:,
371:,
309:^
246:.
230:.
99:No
91:No
500:e
493:t
486:v
408::
379::
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
