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560:"I was really surprised," said Wei Xie, a graduate student in geophysics at the University of Alberta, who presented the find on Dec. 3 at the American Geophysical Union conference. So far, Xie says, only a handful of these buried craters are known. That's likely to change. "Our technology is really improving," she said.
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The crater has long been covered over and is estimated to be about 70 million years old. It took an analysis of data from boreholes drilled in the area and seismic wave surveys to show the giant crater below the surface. Xie and her colleagues will continue to search for definite proof, and they are
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The seismic map of the crater shows the structure of it quite well, with its low-lying interior and characteristic central peak. The team also noted some potentially unique features of the crater, which indicate that some of the sediments were pushed directly outward from the impact, rather than
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The
Village of Bow City was incorporated on July 13, 1914 through a proclamation issued by Wilfred Gariepy, Minister of
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is located 3.5 km (2.2 mi) to the east on the north side of the Bow River in the
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In the 1916 Census of
Prairie Provinces, Bow City had a population of 28.
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574:"Ancient asteroid impact crater discovered near Alberta ghost town"
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approximately 31 km (19 mi) southwest of the City of
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597:"Grad student finds new asteroid crater in southern Alberta"
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looking for evidence of impact known as "shocked minerals."
548:"New Buried Asteroid Impact Crater Discovered in Canada"
498:. Forgotten Alberta. September 20, 2010. Archived from
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522:"1916 Census of Alberta - Detailed Subdivisions"
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71:Location of the former Village of Bow City
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629:"Census of the Prairie Provinces, 1916"
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690:. You can help Knowledge by
576:. Geekquinox. Archived from
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208:Incorporated (village)
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662:Bow City Townsite - 1910
369:a paper presented at an
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686:location article is a
558:on February 12, 2013.
361:Bow City impact crater
355:Bow City impact crater
657:Bow City – Ghost Town
580:on December 8, 2012.
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242:Vulcan County Council
546:(December 4, 2012).
319:. It is located on
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197:Municipal district
136:50.425°N 112.273°W
104:Bow City (Alberta)
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381:Demographics
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282:Area code(s)
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544:Nadia Drake
390:of Bow City
321:Highway 539
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127:112°16′23″W
731:Categories
450:References
224:Government
124:50°25′30″N
638:August 9,
325:Bow River
301:Bow River
297:Waterways
274:UTC−06:00
253:UTC−07:00
248:Time zone
216:Dissolved
528:July 13,
506:July 13,
477:July 13,
438:See also
421:Source:
333:Bow City
309:Bow City
291:587, 825
161:Province
98:Bow City
65:Bow City
32:Bow City
343:History
166:Alberta
152:Country
329:Brooks
317:Canada
173:Region
155:Canada
682:This
632:(PDF)
276:(MDT)
688:stub
640:2022
608:2013
530:2011
508:2011
479:2011
410:1916
399:Pop.
395:Year
287:403
267:DST
257:MST
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
