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- Holleford_crater abstract "Holleford Crater is a meteorite crater near the community of Holleford, part of South Frontenac, Ontario, Canada. It is 2.35 kilometres (1.5 mi) in diameter and the age is estimated to be 550 ± 100 million years (Ediacaran or Cambrian). Although there is a surface depression over the area, the crater itself is not exposed at the surface.Holleford Crater was discovered in the 1950s during analysis of aerial photographs under the direction of Dr. Carlyle S. Beals of the Dominion Observatory in Ottawa, Canada. In the late 1950s, the Geological Survey of Canada conducted a series of four geophysical studies: (1) magnetic observations; (2) seismic studies; (3) gravity studies; and (4) a diamond drilling program. The seismic and gravity studies and the drilling all produced data consistent with the impact theory. The drill core revealed breccia and similar materials at predicted depths. The studies concluded that an ancient meteorite impact crater is present in the Precambrian bedrock below the surface. The meteorite was estimated to be approximately 100 meters in diameter and to have impacted at approximately 55 thousand kilometers per hour.".
- Holleford_crater thumbnail Holleford_crater_x10.jpg?width=300.
- Holleford_crater wikiPageExternalLink map.
- Holleford_crater wikiPageExternalLink index.php?title=Odale-Articles-Holleford.
- Holleford_crater wikiPageID "780144".
- Holleford_crater wikiPageLength "3717".
- Holleford_crater wikiPageOutDegree "30".
- Holleford_crater wikiPageRevisionID "664817992".
- Holleford_crater wikiPageWikiLink Aerial_photography.
- Holleford_crater wikiPageWikiLink Atlas_of_Canada.
- Holleford_crater wikiPageWikiLink Breccia.
- Holleford_crater wikiPageWikiLink Cambrian.
- Holleford_crater wikiPageWikiLink Canada.
- Holleford_crater wikiPageWikiLink Category:Impact_craters_of_Ontario.
- Holleford_crater wikiPageWikiLink Category:Landforms_of_Frontenac_County.
- Holleford_crater wikiPageWikiLink Category:Proterozoic_impact_craters.
- Holleford_crater wikiPageWikiLink Core_sample.
- Holleford_crater wikiPageWikiLink Diameter.
- Holleford_crater wikiPageWikiLink Dominion_Observatory.
- Holleford_crater wikiPageWikiLink Drilling_rig.
- Holleford_crater wikiPageWikiLink Ediacaran.
- Holleford_crater wikiPageWikiLink Exploration_geophysics.
- Holleford_crater wikiPageWikiLink Geological_Survey_of_Canada.
- Holleford_crater wikiPageWikiLink Geophysical_survey.
- Holleford_crater wikiPageWikiLink Hartington,_Ontario.
- Holleford_crater wikiPageWikiLink Impact_crater.
- Holleford_crater wikiPageWikiLink Kingston,_Ontario.
- Holleford_crater wikiPageWikiLink Kingston_Ontario.
- Holleford_crater wikiPageWikiLink Magnetometer.
- Holleford_crater wikiPageWikiLink Meteorite.
- Holleford_crater wikiPageWikiLink Million.
- Holleford_crater wikiPageWikiLink Natural_Resources_Canada.
- Holleford_crater wikiPageWikiLink Ontario.
- Holleford_crater wikiPageWikiLink Ottawa.
- Holleford_crater wikiPageWikiLink Precambrian.
- Holleford_crater wikiPageWikiLink Queens_University.
- Holleford_crater wikiPageWikiLink Reflection_seismology.
- Holleford_crater wikiPageWikiLink South_Frontenac,_Ontario.
- Holleford_crater wikiPageWikiLink File:Holleford_crater_x10.jpg.
- Holleford_crater wikiPageWikiLinkText "Holleford crater".
- Holleford_crater wikiPageWikiLinkText "Holleford meteor crater".
- Holleford_crater wikiPageWikiLinkText "Holleford".
- Holleford_crater wikiPageWikiLinkText "meteor crater near Holleford".
- Holleford_crater hasPhotoCollection Holleford_crater.
- Holleford_crater wikiPageUsesTemplate Template:Citation_needed.
- Holleford_crater wikiPageUsesTemplate Template:Cite_web.
- Holleford_crater wikiPageUsesTemplate Template:Commons_category.
- Holleford_crater wikiPageUsesTemplate Template:Convert.
- Holleford_crater wikiPageUsesTemplate Template:Coord.
- Holleford_crater wikiPageUsesTemplate Template:Impact_cratering_on_Earth.
- Holleford_crater wikiPageUsesTemplate Template:Refbegin.
- Holleford_crater wikiPageUsesTemplate Template:Refend.
- Holleford_crater wikiPageUsesTemplate Template:Reflist.
- Holleford_crater subject Category:Impact_craters_of_Ontario.
- Holleford_crater subject Category:Landforms_of_Frontenac_County.
- Holleford_crater subject Category:Proterozoic_impact_craters.
- Holleford_crater hypernym Crater.
- Holleford_crater point "44.45777777777778 -76.63333333333334".
- Holleford_crater type Article.
- Holleford_crater type Crater.
- Holleford_crater type Place.
- Holleford_crater type PopulatedPlace.
- Holleford_crater type Article.
- Holleford_crater type Location.
- Holleford_crater type Place.
- Holleford_crater type Thing.
- Holleford_crater type SpatialThing.
- Holleford_crater type Q486972.
- Holleford_crater comment "Holleford Crater is a meteorite crater near the community of Holleford, part of South Frontenac, Ontario, Canada. It is 2.35 kilometres (1.5 mi) in diameter and the age is estimated to be 550 ± 100 million years (Ediacaran or Cambrian). Although there is a surface depression over the area, the crater itself is not exposed at the surface.Holleford Crater was discovered in the 1950s during analysis of aerial photographs under the direction of Dr. Carlyle S.".
- Holleford_crater label "Holleford crater".
- Holleford_crater sameAs Holleford.
- Holleford_crater sameAs Holleford-krateret.
- Holleford_crater sameAs Holleford.
- Holleford_crater sameAs m.03bsw4.
- Holleford_crater sameAs Holleford_(kráter).
- Holleford_crater sameAs 5976162.
- Holleford_crater sameAs Q3491014.
- Holleford_crater sameAs Q3491014.
- Holleford_crater lat "44.45777777777778".
- Holleford_crater long "-76.63333333333334".
- Holleford_crater wasDerivedFrom Holleford_crater?oldid=664817992.
- Holleford_crater depiction Holleford_crater_x10.jpg.
- Holleford_crater isPrimaryTopicOf Holleford_crater.