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- Ullapool_bolide_impact abstract "Evidence for a bolide impact centered on Ullapool was published by a combined team of scientists from the University of Oxford and the University of Aberdeen, in March 2008. The evidence is centred on Ullapool, a harbour town on Loch Broom in the Ross and Cromarty district of the Highland council area of northwest Scotland. This suggests it was the largest bolide impact ever to strike what are now the British Isles. The impact, which has been dated to 1177±5 million years ago, melted rock at the site and left parallel shock fractures in quartz and biotite and a tell-tale trace of iridium. Centered on the impact crater, a wide ejecta field has been traced, some 50 km across, forming the Stac Fada member within the Stoer Group of the Torridonian. The affected layer of rock, which on land stretches from Gairloch in the south to Stoer in the north is six to 22 metres thick. Until recently, these anomalous formations were unsatisfactorily credited to an isolated instance of volcanism.The crater, preserved under sedimentary layers of sandstone, is currently presumed to lie under the Minch, the waterway that separates the Isle of Lewis in the Outer Hebrides from the north-west Highlands of Scotland. It has been estimated that the impact would have created a blast with the force of 145,000 megatons and that the shock wave would have created winds of 420 km/h as far away as the site of modern Aberdeen.".
- Ullapool_bolide_impact thumbnail Accretionary_Lapilli_-_geograph.org.uk_-_831917.jpg?width=300.
- Ullapool_bolide_impact wikiPageExternalLink 303.
- Ullapool_bolide_impact wikiPageID "16636094".
- Ullapool_bolide_impact wikiPageRevisionID "521872163".
- Ullapool_bolide_impact hasPhotoCollection Ullapool_bolide_impact.
- Ullapool_bolide_impact subject Category:Geology_of_Scotland.
- Ullapool_bolide_impact subject Category:Possible_impact_craters_on_Earth.
- Ullapool_bolide_impact point "58.05 -5.35".
- Ullapool_bolide_impact type GeologicalFormation109287968.
- Ullapool_bolide_impact type Object100002684.
- Ullapool_bolide_impact type PhysicalEntity100001930.
- Ullapool_bolide_impact type PossibleImpactCratersOnEarth.
- Ullapool_bolide_impact type VolcanicCrater109472413.
- Ullapool_bolide_impact type YagoGeoEntity.
- Ullapool_bolide_impact type YagoPermanentlyLocatedEntity.
- Ullapool_bolide_impact type SpatialThing.
- Ullapool_bolide_impact comment "Evidence for a bolide impact centered on Ullapool was published by a combined team of scientists from the University of Oxford and the University of Aberdeen, in March 2008. The evidence is centred on Ullapool, a harbour town on Loch Broom in the Ross and Cromarty district of the Highland council area of northwest Scotland. This suggests it was the largest bolide impact ever to strike what are now the British Isles.".
- Ullapool_bolide_impact label "Ullapool bolide impact".
- Ullapool_bolide_impact sameAs m.03yhvhs.
- Ullapool_bolide_impact sameAs Q7879139.
- Ullapool_bolide_impact sameAs Q7879139.
- Ullapool_bolide_impact sameAs Ullapool_bolide_impact.
- Ullapool_bolide_impact lat "58.05".
- Ullapool_bolide_impact long "-5.35".
- Ullapool_bolide_impact wasDerivedFrom Ullapool_bolide_impact?oldid=521872163.
- Ullapool_bolide_impact depiction Accretionary_Lapilli_-_geograph.org.uk_-_831917.jpg.
- Ullapool_bolide_impact isPrimaryTopicOf Ullapool_bolide_impact.
