285:
226:
292:
348:
The
Gatuncillo Formation is the oldest sedimentary unit of the Panama Canal Zone, unconformably resting on Cretaceous basement. The formation was defined as Gatuncillo Shale by Thompson in 1944, who named it after the
431:
404:
600:
Geology and
Paleontology of Canal Zone and Adjoining Parts of Panama - 306A Geology and description of Tertiary mollusks (Gastropods: Trochidae to Turritellidae)
680:
630:
284:
540:
L. (Zamiaceae, Cycadales) with recognition of a new species from the late Eocene of Panama - evolution and biogeographic inferences"
670:
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496:"New turtles (Chelonia) from the late Eocene through Late Miocene of the Panama Canal Basin"
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353:. The estimated thickness ranges from 150 to 800 metres (490 to 2,620 ft).
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Erdei, Boglárka; Calonje, Michael; Hendy, Austin; Espinoza, Nicolas (2018),
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Stewart, R.H.; Stewart, J.L.; Woodring, W.P. (1980),
536:"A review of the Cenozoic fossil record of the genus
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List of fossiliferous stratigraphic units in Panama
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576:Geologic Map of the Panama Canal and Vicinity
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490:; Bourque, J.R.; Rincón, A.F.; Bloch, J.I.;
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356:Though the Gatuncillo consists chiefly of
22:
415:
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325:and surrounding areas. It preserves
364:, it includes bentonitic mudstone,
321:. The formation is exposed in the
85:150–800 m (490–2,620 ft)
14:
290:
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224:
1:
631:Geologic formations of Panama
299:Gatuncillo Formation (Panama)
681:Geography of Panamá Province
172:Approximate paleocoordinates
702:
494:; MacFadden, B.J. (2012),
474:Cadena et al., 2012, p.549
15:
465:Erdei et al., 2018, p.186
278:
30:
561:10.3140/bull.geosci.1671
16:Not to be confused with
671:Shallow marine deposits
661:Conglomerate formations
548:Bulletin of Geosciences
501:Journal of Paleontology
376:of variable thickness.
676:Paleontology in Panama
597:Woodring, W.P (1957),
393:Podocnemididae indet.
656:Limestone formations
651:Siltstone formations
646:Sandstone formations
456:Woodring, 1957, p.14
447:Woodring, 1957, p.13
432:Gatuncillo Formation
372:, and at the base a
311:Gatuncillo Formation
26:Gatuncillo Formation
641:Mudstone formations
514:2012JPal...86..539C
329:dating back to the
190: /
151: /
77:Cretaceous basement
32:Stratigraphic range
422:Geologic Map, 1980
315:geologic formation
686:Panama Canal Zone
323:Panama Canal Zone
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68:Panama Formations
693:
636:Paleogene Panama
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610:, pp. 1–186
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351:Gatuncillo River
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257:Gatuncillo River
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492:Jaramillo, C.A.
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214:Panamá Province
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18:Gatún Formation
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555:(2): 185–204,
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380:Fossil content
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666:Reef deposits
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387:Zamia nelliae
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612:, retrieved
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588:, retrieved
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564:, retrieved
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525:, retrieved
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481:Bibliography
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427:
418:
385:
374:conglomerate
355:
347:
310:
308:
271:Year defined
248:Type section
242:Panama Basin
194:6.8°N 77.3°W
155:9.3°N 79.7°W
121:conglomerate
586:, p. 1
436:Fossilworks
344:Description
335:Late Eocene
317:in central
313:(Tgo) is a
197: /
158: /
133:Coordinates
40:Late Eocene
625:Categories
614:2019-02-09
590:2019-02-09
566:2019-02-09
527:2019-02-09
488:Cadena, E.
411:References
199:6.8; -77.3
160:9.3; -79.7
370:limestone
366:sandstone
362:siltstone
253:Named for
117:sandstone
113:Limestone
103:siltstone
90:Lithology
82:Thickness
56:Underlies
50:Formation
399:See also
358:mudstone
266:Thompson
263:Named by
127:Location
99:Mudstone
74:Overlies
510:Bibcode
327:fossils
220:Country
185:77°18′W
146:79°42′W
95:Primary
60:Caimito
368:, and
338:period
331:Middle
319:Panama
238:Extent
232:Panama
229:
210:Region
182:6°48′N
143:9°18′N
66:&
36:Middle
604:(PDF)
580:(PDF)
543:(PDF)
538:Zamia
109:Other
64:Bohío
608:USGS
584:USGS
438:.org
360:and
309:The
274:1944
46:Type
557:doi
518:doi
434:at
333:to
627::
606:,
582:,
553:93
551:,
545:,
516:,
506:86
504:,
498:,
340:.
119:,
115:,
101:,
62:,
34::
559::
520::
512::
38:-
20:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
