263:. It is the largest major surficial layer on the Delmarva Peninsula and has a lower stream-deposited unit and an upper estuarine unit. These units may represent a cycle of
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658:. Illustrated by Moran, Matthew; Moran, Suzannah. Missoula, MT: Mountain Press Publications. pp. 230β231.
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377:. The upper Beaverdam has a very high non-arboreal pollen concentration, and the sole exotic constituent is
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284:
557:
Rasmussen, William C.; Slaughter, Turbit H. (1955). "The Ground-Water
Resources".
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41:
334:. The Beaverdam Sand was renamed the Beaverdam Formation and given an expanded
401:-type. The pollen assemblage of the lower Beaverdam is similar to that of the
379:
367:
86:
51:
627:
RI47 Ages of the
Bethany, Beaverdam, and Omar Formations of Southern Delaware
595:(Map). 1:24,000. Geologic Map Series No. 15. Cartography by Wang, Lillian T.
417:; and the pollen assemblage of the upper Beaverdam is similar to that of the
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710:
Andres, A. Scott; Ramsey, Kelvin W. (Sep 1996). "Beaverdam
Formation".
348:
271:. The Beaverdam Formation is heterogeneous and ranges from very coarse
96:
71:
358:
276:
625:
Groot, Johan J.; Ramsey, Kelvin W.; Wehmiller, John F. (Feb 1990).
354:
559:
The water resources of
Somerset, Wicomico, and Worcester Counties
280:
272:
338:
definition by Kelvin W. Ramsey and
William S. Schenck in 1990.
682:
GM11 Geology of the
Ellendale and Milton Quadrangles, Delaware
589:
Ramsey, Kelvin W. (May 2010). Baxter, Stefanie J. (ed.).
298:
The extent of the
Beaverdam Formation is recognized from
592:
GM15 Geologic Map of the
Georgetown Quadrangle, Delaware
656:
Roadside
Geology of Maryland, Delaware, and Washington
739:
Ramsey, Kelvin W.; Schenck, William S. (June 1990).
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The lower
Beaverdam Formation is characterized by a
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318:The Beaverdam Formation was originally named the
771:Beaverdam Formation - Delaware Geological Survey
295:formations and it is up to 75-100 feet thick.
685:(Map). 1:24,000. Geologic Map Series No. 11.
8:
745:(Map). 1:100,000. Open File Report No. 32.
632:(Report). Report of Investigations No. 47.
712:RI53 Geology of the Seaford Area, Delaware
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786:Geologic formations of the United States
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365:pollen, and the exotic constituents
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742:Geologic Map of Southern Delaware
383:. Other significant taxa include
218:W.C. Rasmussen and T.H. Slaughter
498:Lithostratigraphic units of the
386:Cupuliferoidaepollenites fallax
679:Ramsey, Kelvin W. (Jan 2001).
500:Chesapeake and Columbia groups
1:
392:Tricolporopollenites edmundii
599:. Β§ Beaverdam Formation
817:
719:Delaware Geological Survey
687:Delaware Geological Survey
634:Delaware Geological Survey
597:Delaware Geological Survey
566:Maryland Geological Survey
322:when it was recognized in
154:(possibly unconformably),
497:
457:
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361:assemblage, very few non-
330:, the east branch of the
23:
747:Delaware Geologic Survey
564:(Report). Bulletin 16.
419:Bacons Castle Formation
791:Pliocene North America
533:Atlantic coastal plain
409:in Maryland, and the
654:Means, John (2010).
478:St. Mary's Formation
407:Brandywine Formation
160:St. Mary's Formation
528:Geology of Maryland
523:Geology of Delaware
452:Beaverdam Formation
302:to the west and to
242:Beaverdam Formation
25:Stratigraphic range
19:Beaverdam Formation
485:Choptank Formation
411:Eastover Formation
398:Tsuga diversifolia
310:to the northeast.
253:Delmarva Peninsula
249:geologic formation
184:Delmarva Peninsula
514:
513:
492:Calvert Formation
471:Manokin Formation
464:Bethany Formation
405:in Delaware, the
403:Bethany Formation
238:
237:
158:(unconformably),
156:Manokin Formation
152:Bethany Formation
139:(unconformably),
808:
801:Neogene Maryland
796:Neogene Delaware
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328:Beaverdam Creek
324:Wicomico County
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209:Beaverdam Creek
162:(unconformably)
143:(unconformably)
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332:Wicomico River
320:Beaverdam Sand
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750:. Retrieved
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722:. Retrieved
690:. Retrieved
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637:. Retrieved
601:. Retrieved
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569:. Retrieved
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259:and eastern
255:in southern
244:is an upper
241:
239:
223:Year defined
200:Type section
137:Walston silt
374:Sciadopitys
170:75-100 feet
780:Categories
717:(Report).
539:References
380:Pterocarya
368:Pterocarya
342:Microflora
336:lithologic
308:Georgetown
293:St. Mary's
265:regression
433:Formation
279:to silty
205:Named for
167:Thickness
133:Underlies
117:Formation
517:See also
508:Delaware
415:Virginia
363:arboreal
261:Maryland
257:Delaware
246:Pliocene
215:Named by
175:Location
148:Overlies
29:Pliocene
349:Quercus
314:History
304:Milford
289:Manokin
277:pebbles
251:on the
231:Country
190:Country
123:Unit of
103:↓
27:: late
752:7 June
724:7 June
692:7 June
662:
639:9 June
603:7 June
571:7 June
395:, and
359:pollen
300:Delmar
283:. It
180:Region
715:(PDF)
630:(PDF)
562:(PDF)
428:Group
355:Carya
275:with
754:2018
726:2018
694:2018
660:ISBN
641:2018
605:2018
573:2018
371:and
306:and
281:clay
273:sand
267:and
240:The
226:1955
113:Type
42:Preκ
413:in
291:or
31:, ~
782::
702:^
613:^
581:^
547:^
510:.
506:,
389:,
92:Pg
36:Ma
756:.
728:.
696:.
668:.
643:.
607:.
575:.
352:-
97:N
87:K
82:J
77:T
72:P
67:C
62:D
57:S
52:O
47:κ
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