morokweng crater size

 

The Morokweng crater (or Morokweng impact structure) is an impact crater buried beneath the Kalahari Desert near the town of Morokweng in the Northwest Province of South Africa, close to the border with Botswana. 1997. 2011. Moynier, F., Koeberl, C, Quitte, G. and Telouk, P., A tungsten isotope approach to search for meteorite componenets in terrestrial impact rocks, Earth and Planetary Science Letters, v.286, pp.35-40. 731-734. 2010. Potter R.W.K., Collins G.S., Elbeshausen D., Wunnemann K., The Effect of Asteroid Shape, Velocity and Target Material on Asteroid Survivability, 2009. Luftaufnahme von Norden . 1999. Postmasburg.co.za offers a simple way to connect with potential customers in your neighborhood, allowing you to take a step back from marketing your business so you can focus on your service or products. Morokweng hotels map is available on the target page … This paper. Reimold, W. U., Koeberl, C., Petrography and Geochemical of a Deep Drill Core from the Edge of the Morokweng Impact Structure, South Africa, Impact Markers in the Stratigraphic Record p. 271 - 293. This 600-million-year-old crater spans Montana and Idaho and is the second-largest impact crater in the United States. How Big is the Morokweng … Large Meteorite Impacts and Planetary Evolution,. and Haddon, I., The 144 Ma Morokweng Impact Structure, South Africa: Evidence for a ~240 km Crater, Lunar and Planetary Science XXXIX, abstract #1236. Spec. 2009. Der Krater erhebt sich 160 m über die ihn umgebende Tundra -Landschaft. Postmasburg Accommodation, Business & Tourism Portal. Morokweng crater (or Morokweng impact structure) is a large meteorite crater buried beneath the Kalahari Desert near the town of Morokweng in the Northwest Province of South Africa, close to the border with Botswana. and Brandt,D., Evolution of the Molopo drainage and its possible disruption by the Morokweng impact event at the Jurrasic-Cretaceous boundary, Journal of African Earth Sciences, v. 29(4), pp. Die Höhe des Kraterrands erreicht 657 m Seehöhe. Description. and Tredoux,M., Nickel-and platinum-group-element-enriched quartz norite in the latest Jurassic Morokweng impact structure, South Africa (abstract). Der Gosses-Bluff-Krater (englisch: Gosses Bluff crater oder Gosse Bluff) ist ein Einschlagkrater im Northern Territory in Australien. Skip to content Der Chicxulub-Krater (nach dem Ort Chicxulub Pueblo, von Mayathan Chik Xulub [tʃikʃuˈlub], chik Floh, Zecke, xulub Teufel, Dämon, Horn)[1] ist ein laut neuester Datierung 66 Millionen Jahre alter Einschlagkrater mit Welcome to the Morokweng google satellite map! 741-742. 2. Meteoritics & Planetary Science, v. 31, p. A114. Marco Andreoli. Finden Sie perfekte Stock-Fotos zum Thema Morokweng Crater sowie redaktionelle Newsbilder von Getty Images. Simplified stratigraphy of boreholes drilled in the melt sheet. Image provided by the Morokweng Consortium, 6. Der Morokweng-Krater ist ein 70 km großer Einschlagkrater, der unter der Kalahari-Wüste verborgen ist. 2001. 1996. A114. 4, Supp. (abstract). Andreoli, M. A. G., Ellis, S., Webb, S.J., Pettit, W., Haddon, J., Ashwal, L.D., Gabrielli, F., Raubenheimer,E.and L.Ainslie., The 145 Ma Morokweng impact, South Africa: an unusual ~ 90 km crater with associated multi-ring structures and Early Cretaceous mafic dykes. A deep drillcore from the Morokweng impact structure, South Africa: petrography, geochemistry, and constraints on the crater size Author links open overlay panel Wolf Uwe Reimold a Richard A Armstrong b Christian Koeberl c Biol. 1734-1747. Sadly the size of all these craters listed and many, many others is always in dispute with geologists. Wählen Sie aus erstklassigen Inhalten zum Thema Morokweng Crater in höchster Qualität. 2008. 34, No. Koeberl, C., Reimold, W. U., Morokweng: Petrological and Geochemical Studies Comfirm Impact Origin of Large Proterozoic Structure in South Africa, GSA Abstracts with Programs, 1996, Session 40. See Morokweng photos and images from satellite below, explore the aerial photographs of Morokweng in South Africa. 2001. + −. The most prominent feature of the crater is its 70 km (40 mi) diameter inner ring. Er befindet sich im Westen der MacDonnell Ranges und des Tnorala (Gosse Bluff) Conservation Reserve, rund 159 Kilometer westlich von Alice Springs. Koeberl, C., Reimold, W.U., Armstrong, R.A., Brandstätter, F. and Kruger,F.J., Morokweng, South Africa: The Jurassic-Cretaceous Boundary impact structure? The Morokweng crater (or Morokweng impact structure) is an impact crater buried beneath the Kalahari Desert near the town of Morokweng in the Northwest Province of South Africa, close to the border with Botswana. Large Meteorite Impacts and Planetary Evolution,. The Morokweng crater (or Morokweng impact structure) is an impact crater buried beneath the Kalahari Desert near the town of Morokweng in South Africa's North West province, close to the border with Botswana. I, outer limit of suevite, melt breccia; II, outer limit of brecciated and faulted basement Map provided by the Morokweng Consortium, 3. The Morokweng crater (or Morokweng impact structure) is an impact crater buried beneath the Kalahari Desert near the town of Morokweng in the Northwest Province of South Africa, close to the border with Botswana. Abs. Download. 2008. It's located in Eastern Cape, South Africa. Koeberl, C., Martinez-Ruiz, F., The Stratigraphic Record of Impact Events: A Short Overview, Impact Markers in the Stratigraphic Record p. 1 - 40. A Reappraisal of its Final Size Using Remote Sensing, Geophysics and GIS. 299-309. Abimé par l'érosion et caché par des. Morokweng crater - Wikipedi . No. The crater, formed by an asteroid 5-10 km (3-6 miles) in diameter, is at least about 160 km (100 miles)in diameter and the age is estimated to be 145.0 ± 0.8 million years, placing it on the Jurassic-Cretaceous boundary. Am. Koeberl, C., Milkereit, B., Continental Drilling and the Study of Impact Craters and Processes - an ICDP Perspective, In: Continental Scientific Drilling (eds. Koeberl C., What Can be Learned from Drilling into Impact Craters - A Review of Recent Projects, 2008. The Morokweng Crater. A soccer-ball-sized meteorite fossil was discovered in the Morokweng crater when scientists drilled holes into the area where an asteroid with a diameter of 5-10km struck the Earth 145 million years ago. Geol. 2003. 2007. 1999. 25-35. 1997. Maier, W.D., Andreoli, M.A.G., McDonald, I., Franchi, I. and Greenwood, R., Confirmed LL chondritic meteorite within the melt sheet of the giant Morokweng impact crater, South Africa, Abstracts-Geological Society of Australia, v.89, pp.168. 37 Full PDFs related to this paper . Corner, B., Reimold, W.U., Brandt, D. and Koeberl,C., Morokweng impact structure, Northwest Province, South Africa: geophysical imaging and shock petrographic studies. Andreoli M.A.G., Maier W.D., McDonald I., et al, Siderophile Minerals in the Melt Sheet of the Morokweng Impact Crater, South Africa, 2008. P. 108. 669-678. Kearsley A.T., Burchell M.J., Abell R., Bell M.J., Use of X-Ray Computer Tomographic Imagery in Location of Target Fractures and Projectile Fragments..., 2008. 2002. Son âge a été estimé à 146.2 ± 1.5 millions d'années. Earth and Planetary Science Letters 198, P. 49 - 62. Reimold, W. U., Armstrong, R. A., Koeberl., A deep drillcore from the Morokweng impact structure, South Africa: petrography, geochemistry, and constraints on the crater size. No. Dutta, R. K., Sideras-Haddad, E. , Andreoli, M. A. G. , Hart, R. J. and Cloete, T., Proton microprobe characterization of a unique siderophile element mineral assemblage in the melt sheet of the giant 145 Ma Morokweng impact structure, Southern Kalahari, South Africa. 1997. The crater, formed by an asteroid 5 to 10 km (3.1 to 6.2 mi) in diameter, is at least about 70 km (43 mi) in diameter and the age is estimated to be 145.0 ± 0.8 million years, placing it at the Jurassic–Cretaceous boundary. Blenkinsop, T. G., Microstructures in Suevite from the Bosumtwi Impact, Ghana, Meteoritics; vol. Hart, R. J., Andreoli, M.A.G., Tredoux, M., Moser, D., Ashwal, L.D., Eide, E.A., Webb, S.J. It's located in Eastern Cape, South Africa. Hart, R. J., Cloete, M. , McDonald, I. , Carlson, R. W. and Andreoli, M. A. G., Siderophile-rich inclusions from the Morokweng impact melt sheet, South Africa: possible fragments of a chondritic meteorite. Image provided by the Morokweng Consortium, 4. 34, No. DEM Image Provided by Dr. Carlos Roberto de Souza Filho, 7 & 8. McDonald, I., Andreoli, M.A.G, Hart, R.J. and Tredoux,M., Platinum-group elements in the Morokweng impact structure South Africa: Evidence for the impact of a large ordinary chondrite projectile at the Jurassic-Cretaceous boundary, Geochimica et Cosmochimica Acta, vol. Er hat einen Durchmesser von 3,44 km, eine Tiefe von 400 m und entstand im Pleistozän vor 1,4±0,1 Millionen Jahren. READ PAPER. Angelo It was created by an asteroid measuring about 5-10 km (3-6 miles) in 1997. Jourdan, F., Andreoli, M.A.G., McDonald, I. and Maier, W.D., 40Ar/39Ar thermochronology of the fossil LL6-chondrite from the Morokweng crater, South Africa, Geochimica et Cosmochimica Acta, v.74, pp. 1997. Morokweng impact structure, South Africa: Geologic, petrographic and isotopic results, and implications for the size of the structure Reimold, Wolf Uwe Koeberl, Christian 1999. It is a groundbreaking discovery because scientists commonly accepted that objects melted or vaporised at the moment they crashed into the Earth’s surface. Core samples have shown it to have been formed by the impact of an L chondrite asteroid. A short summary of this paper. andreoli,M.A.G., Inclusions from the Morokweng impact melt sheet, South Africa: Possible fragments of a Palaeometeorite, Meteoritics & Planetary Science, v. 36, No. So it is best to take them with a pinch of salt. Confirmed impact craters listed by size and age. ), Springer, Heidelberg, p. 95-161. Meteoritics and Planetary Science, v 34, n 4, p 92. (abstract). 351-364. Discovered in 1994, it is not exposed at the surface but has been mapped by magnetic and gravimetric surveys. Copyright © 2021. PDF | On Jan 1, 2007, M. Andreoli and others published The Morokweng impact structure: evidence for a ~270 km diameter crater? Lunar and Planetary Science XXVII, pp. Lunar and Planetary Science XXVIII, pp. Morokweng crater The Morokweng crater is an impact crater, about 160 km (100 mi) in diameter, that lies buried under the sands of the Kalahari Desert near Morokweng, in the northwest part of South Africa (latitude 26° 28' S, longitude 23° 32' E). The Morokweng crater (or Morokweng impact structure) is an impact crater buried beneath the Kalahari Desert near the town of Morokweng in South Africa's North West province, close to the border with Botswana. Tagle R., Goderis S., Claeys Ph., On the Nature of S-Type Asteroids and the Terrestrial Impactor Population, 2007. Rev., 77, P. 279 - 310. Discovered in 1994, it is not exposed at the surface, but has been mapped by magnetic and gravimetric surveys. Bootsman, C. S., Reimold, W.U. Cockell, C. S., Lee, P., The Biology of Impact Craters - a review. 203-206, 2006. 50159. The Morokweng crater (or Morokweng impact structure) is an impact crater buried beneath the Kalahari Desert near the town of Morokweng in the Northwest Province of South Africa, close to the border with Botswana. This place is situated in Taung, North West, South Africa, its geographical coordinates are 27° 35' 0" South, 24° 56' 0" East and its original name (with diacritics) is Morokweng. Baker T., Phillips M.E., Remote Sensing of the Morokweng Impact Strucuture, South Africa, 2008. The rim-to-diameter measurement makes it the The total diameter of the concentric rings is 100 km (60 mi) across. Download PDF. Website Designed & Maintained by Web Ateljee. Koeberl, C., Reimold, W. U., Geochemistry and petrography of impact breccias and target rocks from the 145 Ma Morokweng impact structure, South Africa, Geochimica Acta, Vol 67. Interpreted geology of the Morokweng impact structure, with location of selected boreholes. 29-30. All Rights Reserved. 1997. 1999. Andreoli, M. A. G., Ashwal, L.D., Hart, R.J. and Tredoux,M., The charnockitic rocks of the sand-covered Morokweng impact structure, Southern Kalahari, South Africa: Evidence for a possible impact melt origin (abstract). 34, No. Andreoli, M. A. G., Hart, R.J., Ashwal, L.D. Reimold, W. U., Corner, B., Koeberl, C. and Brandt,D., The Morokweng structure in the northwest porvince of South Africa: Remnant of a large impact structure? 1997. Image Provided by Dr. Carlos Roberto de Souza Filho, Site developed and maintained by 2003. The facts. 4, Supplement, p. A107-108. Image provided by the Morokweng Consortium, 5. But accurate or not, they look amazing from above… Kara Crater, Russia. 59th Annual Meteoritical Society Meeting Impact Craters and Ejecta II, METSOC (Meteoritical Society) '96. Henkel, H., Reimold, U. W., Koeberl,C., Magnetic and gravity model of the Morokweng impact structure, Journal of Applied Geophysics, v. 49, p. 129-147. Reimold, W. U., Koeberl, C., The Deep Borehole into the Morokweng Impact Structure, Meteoritics; vol. The Morokweng crater. 2003. Core samples have shown it to have been formed by the impact of an L chondrite asteroid. How Big is the Morokweng Impact Structure, South Africa? A deep drillcore from the Morokweng impact structure, South Africa: petrography, geochemistry, and constraints on the crater size Request a Copy link to publisher version Thanks a lot in advance . 65 (2), pp. In May, 2006, a group of scientists drilling into the site announced the discovery of a 25-centimetre (9.8 in) diameter fragment of the original asteroid at a depth of 770 metres (2,500 ft) below the surface, along with several much smaller pieces a few millimetres across at other depths. | Find, read and cite all the research you need on ResearchGate 61-90. It's a Other size geocache, with difficulty of 2.5, terrain of 3. * pre-1977 K-Ar, Ar-Ar and Rb-Sr ages recalculated using the decay constants of Steiger and Jager (1977) Ages in millions of years (Ma) before present. Choisissez parmi des contenus premium Morokweng Crater de la plus haute qualité. 1999. The Morokweng crater (or Morokweng impact structure) is an impact crater buried beneath the Kalahari Desert near the town of Morokweng in the Northwest Province of South Africa, close to the border with Botswana. Koeberl, C., Reimold, W. U., The large Jurrasic-Cretaceous boundary age Morokweng (South Africa) Impact Structure - The search for ejecta, GSA Salt Lake City '97, Annual-Meeting Abstracts. 1999. Trouvez les Morokweng Crater images et les photos d’actualités parfaites sur Getty Images. 2008. 2002. 2002. 1996. Tagle R., Hecht L., Evaluation of chemical methods for projectile identification in terrestrial and lunar impactites, 2005. Sein Alter wird auf etwa 145 Millionen Jahre geschätzt. Pettit, W., Ellis, S. and M. A. G. Koeberl, C., Peucker-Erenbrink, B., Reimold, W.U., Shukolyukov, A., Lugmair,G.W., Comparison of the osmium and chromium isotopic methods for the detection of meteoritic components in impactites: Examples from the Morokweng and Vredefort impact structures, South Africa, Geological Society of America, Special Paper 356 p. 607 - 617. 257-258. Earth and Planetary Science Letters, v. 147, pp. 1996. MODIS – M: Morokweng; V: Vredefort Corner, B., Reimold, W.U., Brandt, D. and Koeberl,C., Evidence for a major impact structure in the northwest province of South Africa - the Morokweng impact structure (abstract). A Reappraisal of its Final Size Using Remote Sensing, Geophysics and GIS. Lunar and Planetary Science XXVII, pp. Andreoli, M.A.G., Hart, R.J., Cooper, G.R.J., Stengel, I., Webb, S., Haddon, I., Skala, R. and Viola, G., Morokweng; >100 km & still growing, Geobulletin, v.51, no.1, pp.12-15. 1999. and Armstrong,R.A., The Jurassic-Cretaceous boundary impact event: The Morokweng impact structure, South Africa (abstract). Andreoli., A structural interpretation of the 145 Ma Morokweng impact structure based on processed potential field data. 1996. Le cratère Morokweng, centré à 26°32' S et 23°32' E, est au bord du Désert de Kalahari au nord de l'Afrique du Sud. p. A97. Mair, W.D., et al., Discovery of a 25-cm asteroid clast in the giant Morokweng impact crater, South Africa, Nature, v. 441, pp. Latitude: -26° 28' 0.00" S. Longitude: 23° 31' 60.00" E. Read about Morokweng crater in the Wikipedia Satellite map of Morokweng crater in Google Maps. Koeberl, C., Armstrong, R.A. and Reimold,W.U., Morokweng, South Africa: A large impact structure of Jurassic-Cretaceous boundary age. Download Full PDF Package. Il a un diamètre d'au moins 70 kilomètres et est l'un des plus grands cratères d'impact terrestres connus aujourd'hui. Reimold, W. U., Koeberl, C., Brandstatter, F., Kruger, F.J., Armstrong, R.A., Bootsman,K., The Morokweng impact structure, South Africa: Geological, petrographical, and isotopic results, and implications for the size of the structure.