440:
454:
468:
107:
338:
in the upper part. In areas where they can be differentiated, the formation is subdivided into the three formations shown below in ascending order. Where they cannot be differentiated, the name Tunnel
Mountain Formation is applied to the entire sequence.
545:
Glass, D.J. (editor) 1997. Lexicon of
Canadian Stratigraphy, vol. 4, Western Canada including eastern British Columbia, Alberta, Saskatchewan and southern Manitoba. Canadian Society of Petroleum Geologists, Calgary, 1423 p. on CD-ROM.
570:
Stott, D.L. 1967. Stratigraphy of the lower Rocky
Mountain Supergroup in the southern Canadian Rocky Mountains. Bulletin of Canadian Petroleum Geology, vol. 15, no. 2., p. 209.
481:
604:
619:
609:
370:: quartz-chert sandstone, very fine- to fine-grained, quartz and dolomite cement, rare cross-bedding; minor interbeds of sandy dolomite.
277:
551:
614:
629:
500:
Beales, F.W. 1950. Late
Paleozoic formations of southwestern Alberta. Geological Survey of Canada, Paper 50-27, p. 58-64.
624:
364:: quartz-chert sandstone, very fine- to coarse-grained, quartz cement, typically massive, very rare cross-bedding.
127:
415:
408:
297:
34:
445:
404:
173:
418:
159:
473:
343:
273:
367:
328:
547:
361:
320:
137:
517:
396:
281:
580:
399:
of western
Alberta, and reaches a maximum thickness of about 200 metres (600 ft). It
324:
289:
252:
208:
111:
293:
115:
598:
459:
355:
301:
65:
27:
421:. In areas where the Kananaskis is not present, it is unconformably overlain by the
425:
411:
400:
384:
163:
40:
435:
380:
106:
85:
50:
335:
331:
316:
212:
198:
90:
80:
75:
60:
55:
45:
354:
sandstone, very fine- to fine-grained, quartz and dolomite cement; rare
422:
285:
227:
95:
70:
347:
313:
237:
395:
The Tunnel
Mountain Formation is present in the front ranges of the
379:
The dolomite beds of the Tunnel
Mountain sequence include scattered
351:
391:
Thickness, distribution, and relationship to other units
482:
List of fossiliferous stratigraphic units in
Alberta
581:"Fossilworks: Gateway to the Paleobiology Database"
579:Various Contributors to the Paleobiology Database.
258:
248:
243:
233:
223:
218:
204:
194:
189:
179:
169:
155:
143:
133:
123:
21:
8:
276:that is present on the western edge of the
414:, and is conformably overlain by the Late
312:The Tunnel Mountain Formation consists of
105:
18:
566:
564:
562:
560:
541:
539:
537:
535:
533:
531:
529:
527:
512:
510:
508:
506:
493:
334:in the lower part, and minor beds of
16:Geologic formation in Alberta, Canada
7:
358:; minor interbeds of sandy dolomite.
605:Western Canadian Sedimentary Basin
407:or the Todhunter Formation of the
14:
466:
452:
438:
278:Western Canada Sedimentary Basin
118:, the namesake of the formation
620:Sandstone formations of Canada
610:Geologic formations of Alberta
296:, it was deposited during the
1:
518:"Tunnel Mountain Formation"
646:
308:Lithology and stratigraphy
270:Tunnel Mountain Formation
104:
26:
22:Tunnel Mountain Formation
323:with lesser amounts of
183:up to about 200 metres
615:Carboniferous Alberta
446:Earth sciences portal
405:Etherington Formation
174:Etherington Formation
630:Quartzite formations
419:Kananaskis Formation
160:Kananaskis Formation
625:Dolomite formations
474:Paleontology portal
344:Tobermory Formation
298:Early Pennsylvanian
28:Stratigraphic range
368:Tyrwhitt Formation
300:sub-period of the
274:geologic formation
362:Storelk Formation
266:
265:
262:F.W. Beales, 1950
138:Spray Lakes Group
637:
591:
589:
587:
571:
568:
555:
543:
522:
521:
514:
501:
498:
476:
471:
470:
469:
462:
457:
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443:
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441:
397:Canadian Rockies
282:Canadian Rockies
109:
100:
37:
19:
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490:
472:
467:
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393:
377:
310:
290:Tunnel Mountain
253:Tunnel Mountain
184:
150:
148:
119:
112:Tunnel Mountain
99:
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68:
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58:
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5:
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376:
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372:
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365:
359:
309:
306:
288:. Named after
264:
263:
260:
256:
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246:
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110:
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101:
94:
89:
84:
79:
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69:
64:
59:
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49:
44:
39:
38:
24:
23:
15:
13:
10:
9:
6:
4:
3:
2:
642:
631:
628:
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623:
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611:
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582:
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561:
557:
553:
552:0-920230-23-7
549:
542:
540:
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530:
528:
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519:
513:
511:
509:
507:
503:
497:
494:
487:
483:
480:
479:
475:
464:
461:
460:Canada portal
450:
447:
436:
431:
429:
427:
424:
420:
417:
416:Pennsylvanian
413:
410:
409:Mississippian
406:
403:overlies the
402:
401:unconformably
398:
390:
388:
386:
382:
374:
369:
366:
363:
360:
357:
356:cross-bedding
353:
349:
345:
342:
341:
340:
337:
333:
330:
326:
322:
318:
315:
307:
305:
303:
302:Carboniferous
299:
295:
291:
287:
283:
279:
275:
271:
261:
257:
254:
251:
247:
242:
239:
236:
232:
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217:
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108:
103:
97:
92:
87:
82:
77:
72:
67:
62:
57:
52:
47:
42:
36:
35:Pennsylvanian
29:
25:
20:
584:. Retrieved
496:
426:Ishbel Group
412:Rundle Group
394:
385:foraminifera
378:
375:Paleontology
311:
269:
267:
244:Type section
164:Ishbel Group
586:17 December
381:brachiopods
321:interbedded
284:of western
599:Categories
488:References
336:quartzite
332:sandstone
329:dolomitic
317:sandstone
314:quartzose
249:Named for
213:quartzite
199:Sandstone
190:Lithology
180:Thickness
156:Underlies
147:Tobermory
144:Sub-units
128:Formation
432:See also
325:dolomite
304:period.
259:Named by
219:Location
209:dolomite
185:(600 ft)
170:Overlies
151:Tyrwhitt
423:Permian
286:Alberta
280:in the
234:Country
228:Alberta
195:Primary
149:Storelk
134:Unit of
550:
348:quartz
238:Canada
224:Region
33:Early
352:chert
294:Banff
292:near
272:is a
205:Other
116:Banff
588:2021
548:ISBN
383:and
268:The
124:Type
41:Preκ
114:in
601::
559:^
526:^
505:^
428:.
387:.
346::
327:,
319:,
211:,
162:,
91:Pg
30::
590:.
554:.
520:.
350:-
96:N
86:K
81:J
76:T
71:P
66:C
61:D
56:S
51:O
46:κ
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
