133:
250:
27:
540:"Sediment supply versus storm winnowing in the development of muddy and shelly interbeds from the Upper Ordovician of the Cincinnati region, USAThis article is one of a series of papers published in this Special Issue on the theme The dynamic reef and shelly communities of the Paleozoic. This Special is in honour of our colleague and friend Paul Copper "
296:
rich rock. These layers represent periods of sediment starvation when sea levels were elevated and the impact of tropical storms was negligible. In the most recent formations such as White Water there is a shift as ocean levels dramatically drop and the
Cincinnati Arch comes above the water line;
240:
and parts of Grant Lake
Limestone as well as Fernvale and Arnheim. Formations can be a part of only one stage or in multiple stages depending on how old they are. Formations can also be represented in multiple states depending on how far they reach.
341:. Different species of each family can be found throughout the layers in the region, with different concentrations depending on the formation. A typical fossil that is common in many road-cuts around the arch is the extinct
277:. Shale layers can represent as little as a single day of sediment deposition. Shale layers indicate times of low ocean levels when erosion brought out more sediment from the continent into the sea.
313:
period contained many marine animals. These animals can be found fossilized in the layers of the
Cincinnati Arch. The types of animals that appear in these formations are:
587:
369:
in a vertical column. Laws can vary state to state, but in most cases collecting or working at these sites is legal as long as the roadcut is not located on an
365:
alike. Since roadcuts are typically made quite steep they allow scientists to view changes in prehistoric conditions through millions of years by studying the
373:. Popular roadcuts in the Cincinnati Arch can be found in Ohio, Indiana, and Kentucky. The most prominent of these roadcuts is one located near
124:, in 1829. The saddle and adjoining areas have been significant producers since drilling for oil came to the region in the late 19th century.
494:"Stratigraphy of the Upper Ordovician-Lower Silurian sequence in the Aroostook-Matapedia Anticlinorium, Gaspé Peninsula, Québec"
120:
was first discovered in a relatively low part of the arch, between the
Jessamine and Nashville domes, the Cumberland Saddle, in
26:
607:
597:
592:
121:
370:
457:"Middle and Upper Ordovician nautiloid cephalopods of the Cincinnati Arch region of Kentucky, Indiana, and Ohio"
602:
209:
582:
266:
511:
157:
257:
The
Cincinnati Arch formed from ocean sediments deposited between 488 and 444 million years ago on the
233:
201:
75:
431:
111:
91:
374:
225:
185:
141:
55:
103:
538:
Dattilo, Benjamin F.; Brett, Carlton E.; Tsujita, Cameron J.; Fairhurst, Robert (February 2008).
217:
197:
193:
181:
173:
149:
559:
474:
414:
378:
281:
221:
213:
205:
177:
165:
161:
145:
51:
152:. The Edenian stage is the oldest stage of the three. The Edenian contains these formations:
551:
497:
464:
406:
354:
237:
229:
132:
99:
79:
280:
Fossiliferous limestone is made up of beds of previously organic matter that has undergone
524:
357:. Roadcuts are common along highways throughout the arch's range and are often studied by
169:
83:
39:
249:
189:
153:
47:
43:
539:
576:
298:
258:
107:
20:
366:
362:
58:
to the east and southeast. It existed as a positive topographic area during late
342:
353:
The geologic layers that make up the
Cincinnati Arch are most easily viewed at
330:
322:
318:
310:
274:
59:
563:
478:
418:
358:
338:
293:
253:
Model of tropical storms effects on
Cincinnati Arch region in the Ordovician
117:
87:
399:"The geology of Kentucky— A text to accompany the geologic map of Kentucky"
78:
which make up the
Cincinnati Arch and are commonly studied along man made
270:
95:
63:
98:
make up the central portion of the arch. In the northern part, north of
334:
314:
289:
71:
67:
224:. The most recent stage is the Richmondian. The Richmondian contains:
456:
398:
326:
285:
555:
493:
469:
410:
502:
262:
248:
131:
25:
110:
arches. The
Findlay plunges under Ontario and reappears as the
184:
is the second oldest stage containing these formations:
140:
The
Cincinnati Arch contains three distinct stages: the
74:. Fossils from the Ordovician are commonplace in the
269:. Layers of shale are believed to have formed from
16:Geologic uplift in the Midwestern United States
8:
261:. The geology is characterized by layers of
102:, the Cincinnati Arch branches to form the
19:For the structural arch in Cincinnati, see
501:
468:
70:northeastward to the southeastern tip of
588:Geologic provinces of the United States
389:
520:
509:
136:Cincinnati Arch Formations and Layers
66:period which stretched from northern
7:
450:
448:
446:
444:
442:
544:Canadian Journal of Earth Sciences
14:
397:McDowell, Robert C., ed. (1986).
297:after this point there is little
30:Middle Devonian paleogeography
1:
492:Beland, J; Hubert, C (1978).
265:interspersed with layers of
122:Cumberland County, Kentucky
624:
367:differences between layers
90:and the Jessamine Dome or
50:to the northwest, and the
18:
434:Cincinnati Arch Province
259:North American Continent
267:fossiliferous limestone
519:Cite journal requires
288:forming large mats of
254:
137:
38:is a broad structural
31:
252:
135:
29:
608:Geology of Tennessee
343:Isorthoceras albersi
202:Grant Lake Limestone
598:Geology of Kentucky
455:Frey, R.C. (1995).
375:Maysville, Kentucky
305:Fossils and species
273:deposited by large
76:geologic formations
56:Black Warrior Basin
593:Geology of Indiana
461:Professional Paper
403:Professional Paper
371:interstate highway
255:
138:
32:
432:Robert T. Ryder,
379:Maysville roadcut
282:permineralization
178:Leipers Limestone
162:Garrard Siltstone
52:Appalachian Basin
46:to the west, the
615:
568:
567:
535:
529:
528:
522:
517:
515:
507:
505:
489:
483:
482:
472:
452:
437:
429:
423:
422:
394:
377:, known as the "
100:Cincinnati, Ohio
623:
622:
618:
617:
616:
614:
613:
612:
603:Geology of Ohio
573:
572:
571:
556:10.1139/E07-060
537:
536:
532:
518:
508:
491:
490:
486:
470:10.3133/pp1066p
454:
453:
440:
430:
426:
411:10.3133/pp1151h
396:
395:
391:
387:
363:paleontologists
351:
307:
247:
130:
114:further north.
36:Cincinnati Arch
24:
17:
12:
11:
5:
621:
619:
611:
610:
605:
600:
595:
590:
585:
583:Basement highs
575:
574:
570:
569:
550:(2): 243–265.
530:
521:|journal=
503:10.4095/103579
484:
438:
424:
388:
386:
383:
350:
347:
306:
303:
246:
243:
210:Calloway Creek
129:
126:
112:Algonquin Arch
92:Lexington Dome
84:Nashville Dome
48:Michigan Basin
44:Illinois Basin
15:
13:
10:
9:
6:
4:
3:
2:
620:
609:
606:
604:
601:
599:
596:
594:
591:
589:
586:
584:
581:
580:
578:
565:
561:
557:
553:
549:
545:
541:
534:
531:
526:
513:
504:
499:
495:
488:
485:
480:
476:
471:
466:
462:
458:
451:
449:
447:
445:
443:
439:
436:
435:
428:
425:
420:
416:
412:
408:
404:
400:
393:
390:
384:
382:
380:
376:
372:
368:
364:
360:
356:
348:
346:
344:
340:
336:
332:
328:
324:
320:
316:
312:
304:
302:
300:
299:sedimentation
295:
291:
287:
283:
278:
276:
272:
268:
264:
260:
251:
244:
242:
239:
235:
231:
227:
223:
219:
215:
211:
207:
203:
199:
195:
191:
187:
183:
179:
175:
171:
167:
163:
159:
155:
151:
147:
143:
134:
127:
125:
123:
119:
115:
113:
109:
105:
101:
97:
93:
89:
85:
81:
77:
73:
69:
65:
61:
57:
53:
49:
45:
41:
37:
28:
22:
21:Elsinore Arch
547:
543:
533:
512:cite journal
487:
460:
433:
427:
402:
392:
352:
308:
279:
256:
139:
116:
62:through the
42:between the
35:
33:
331:brachiopods
327:horn corals
323:cephalopods
182:Maysvillian
158:Clays Ferry
150:Richmondian
146:Maysvillian
94:of central
577:Categories
385:References
359:geologists
339:trilobites
319:gastropods
311:Ordovician
286:fossilized
275:hurricanes
234:Whitewater
148:, and the
128:Formations
60:Ordovician
564:0008-4077
479:2330-7102
419:2330-7102
315:bryozoans
294:aragonite
226:Bull Fork
186:Dillsboro
118:Petroleum
88:Tennessee
355:roadcuts
349:Roadcuts
335:crinoids
271:sediment
218:Fernvale
198:Fairview
194:Bellevue
174:Fairview
108:Kankakee
96:Kentucky
80:roadcuts
64:Devonian
290:calcite
245:Geology
222:Arnheim
214:Leipers
206:Ashlock
166:Catheys
142:Edenain
104:Findlay
72:Ontario
68:Alabama
562:
477:
417:
337:, and
238:Drakes
230:Saluda
220:, and
180:. The
176:, and
82:. The
40:uplift
263:shale
170:Inman
560:ISSN
525:help
475:ISSN
415:ISSN
361:and
309:The
292:and
284:and
190:Kope
154:Kope
106:and
54:and
34:The
552:doi
498:doi
465:doi
407:doi
381:."
86:of
579::
558:.
548:45
546:.
542:.
516::
514:}}
510:{{
496:.
473:.
463:.
459:.
441:^
413:.
405:.
401:.
345:.
333:,
329:,
325:,
321:,
317:,
301:.
236:,
232:,
228:,
216:,
212:,
208:,
204:,
200:,
196:,
192:,
188:,
172:,
168:,
164:,
160:,
156:,
144:,
566:.
554::
527:)
523:(
506:.
500::
481:.
467::
421:.
409::
23:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
