445. A-349. 1996. Meteoritics, v. 28, pp. Manson Crater - The Manson, Iowa, impact crater is not only one of the largest US impact craters, at about 35 km in diameter, it is one of the best known and best studied. 361-376. 1181-1182. Naumov, M. V., Zonation of hydrothermal alteration in the central uplift of the Puchezh-Katunki astrobleme (abstract). 694-699. Lunar and Planetary Science XXI, pp. Der berüchtigte Mörder Charles Manson ist tot. Grieve, R. A. F., Terrestrial impact: The record in the rocks. 1996. 1.5K likes. Westbroek, H., Stewart, R., The formation, morphology, and economic potential of meteorite impact craters, CREWES Research Report v. 8, p. 1-26. Ever," Bill Bryson, Planetary and Space Science Centre University of New Brunswick Fredericton, "Ancient meteorite standing between one Iowa town and its water supply", "The Manson Impact Structure: 40Ar/39Ar Age and Its Distal Impact Ejecta in the Pierre Shale in Southeastern South Dakota", Additional material from Iowa DNR with image links, Detailed illustrated time sequence of the Manson impact event from NASA, Aerial Exploration of the Manson Impact Structure, https://en.wikipedia.org/w/index.php?title=Manson_crater&oldid=1004238426, Creative Commons Attribution-ShareAlike License. Lunar and Planetary Science XXVI, pp. 101-110. Crossey, L. J., McCarville, P., Post-impact alteration of the Manson impact structure (abstract). 269-299, 2010, Weber, R.D., Watkins, D.K., Evidence from the Crow Creek Member (Pierre Shale) for an impact-induced resuspension event in the late Cretaceous Western Interior Seaway, Geology, v. 35, pp. Demographics Edit Historical populations 2007. Plescia, J. Location: Virginia, USA. 1994. 2. including figsize in the call to subplots() does not seem to work. What is known about the structure was learned mostly from the study of water well cuttings. Meteoritics, v. 25, pp. 1565-1568. Although the crater is not visible today, the impact of the meteor significantly changed the … 197-210, 1994, Arthur, M.A., When worlds collide: the end-Cretaceous global crisis, Earth & Mineral Sciences, v. 62, pp. Cisowski, S. M., Paleomagnetism of Manson structure cores inconsistent with a K/T link (abstract). Manson's annual celebration is called "Greater Crater Days" in honor of the much-studied yet invisible crater. McHone J F., Dietz, R. S., Earth's multiple impact craters and astroblemes (abstract). 1996. and Hartung,J.B., Preliminary descriptions of impact rocks recovered by recent core drilling in the Manson impact structure (abstract). The crater is about 23 miles in diameter, making it about 30 TIMES larger than Meteor Crater, in Arizona. Master's Thesis, University of Iowa, 48 p. 1970. Geological Society of America Special Paper 302, pp. Proceedings Lunar and Planetary Science Conference 17th, Journal of Geophysical Research, v. 91, E239-251. 1998. B., Kunk, M.J. and Anderson,R.R., Geology, geophysics, and geochronology of the Manson impact structure. Witzke, B. J., General stratigraphy of the Phanerozoic and Keweenawan sequence, M.G. Meteoritics, v. 29, pp. and Kunk,M.J., The Manson impact structure: 40Ar/39Ar age and its distal impact ejecta in the Pierre shale in southeastern South Dakota. The crater is one of the largest in North America. Hartung, J. M.S. Roddy, D. J., Shoemaket, E.M. and Anderson,R.R., The Manson impact crater: Estimation of the energy of formation, possible size of the impacting asteroid or comet, and ejecta volume and mass (abstract). ), Springer, Heidelberg, p. 95-161. 39-57. 499-500. Geology, v. 17, pp. Reimold, W. U., Reid, A.M. and Therriault,A.M., Observations on granitic clasts in granophyre from the Vredefort Dome (abstract). Geological Society of America Special paper 302, pp. 1993. Get more done with the new Google Chrome. and Shadenkov,Ye.M., The Geology of Astroblemes (in Russian). Author(s) R. H. Boer; R. H. Boer Search for other works by this author on: GSW. By choosing Manson, you are choosing higher quality glass mineral wool products; products whose thermal and acoustical properties have been renowned and appreciated for many decades. Lunar and Planetary Science XXIII, pp. 1567-1568. Lunar and Planetary Science, v. XXIII, pp. 25-26. 1303-1304. Submitted by Admin, 3/1/2021 - 10:00 AM . and Sutter,J.F., 40Ar/39Ar age spectra of shocked K-feldspar suggests K-T boundary age for Manson, Iowa, impact structure. Lunar and Planetary Science XXI, pp. 781-782. 321-322. Keiswetter, D., Black, R., Steeples, D.W. and Anderson,R.R., High-resolution seismic reflection survey at the Manson crater, Iowa (abstract). The Manson Engine-Builder's Notebook. Anderson, R. R., Hartung, J.B., Witzke, B.J., Shoemaker, E.M. and Roddy,D.J., Preliminary results of the U.S.Geological Survey - Iowa Department of Natural Resources Geological Survey Bureau Manson Core Drilling Project. 719-720. 835-836. Der Krater wurde von Eugene Shoemaker wissenschaftlich beschrieben und durch seine Forschung als erster 485. Merrill, eds. 1989. Anderson, R. R., Hartung, J. Meeting time is March 9th, 2021 at 6 PM. The Manson structure may be one element of the events at the K-T boundary. Meteoritics, v. 28, pp. Izett, G. A., Cobban, W.A., Dalrymple, G.B. Katongo, C., et al., Geochemistry and shock petrography of the Crow Creek Member, South Dakota, USA: Ejecta from the 74-Ma Manson impact structure, Meteoritics and Planetary Science, v. 39, pp. 325-327. In: Impact and Explosion Cratering (D.J. Geological Society of America Special Paper 302, pp. Proceedings of the VII th International Symposium on the Observation of the Continental Crust Through Drilling, pp. 1009-1010. [2] Previously it was thought to have led to the extinction of the dinosaurs until isotopic ages proved that it was too old.[3]. 1211-1212. Lunar and Planetary Science XXV, pp. 1993. Premo, W. R., Nd-Sr isotopic signature of the Pierre shale: Target material at the Manson impact site and source of the Haitian tektites (K-T Boundary)? Geological Society of America Special Paper 302, pp. Shoemaker, E. M., Roddy, D.J. Google Scholar. Pepin and R.B. Meteoritics, v. 27, pp. 1990. Many popular and scientific articles have been written on the location. 791-814, Pergamon Press, New York. Steiner, M. B., Implications of magneto-mineralogic characteristics of the Manson and Chicxulub impact rocks. Hörz, F., Ostertag, R. and Rainey,D.A., Bunte Breccia of the Ries: Continuous deposits of large impact craters. Size: 53 miles wide. Age: 35 million years. 1996. Hello everyone! 1996. Stöffler, D., Shock metamorphism of quartz in nature and experiment: A review (abstract). That is a must see if you can find it. 1996. 1993. 1993. V.137(1), p.67-80. 1983. 1-49, 1991. Mag. Caution these are big files! 1975. Koeberl, C., Milkereit, B., Continental Drilling and the Study of Impact Craters and Processes - an ICDP Perspective, In: Continental Scientific Drilling (eds. 35-36. 1998. 1993. 1993. Koeberl, C., Reimold, W.U., Kracher, A., Träxler, B., Vormaier, A. and Körner,W., Mineralogical, petrological, and geochemical studies of drill core samples from the Manson impact structure, Iowa. 93-100. the Planetary and Space Science Centre University of New Brunswick Fredericton, New Brunswick, Canada. Always The Last Full Weekend In June! 1099-1100. Lunar and Planetary Science XXIV, pp. anderson, R.R. 264-265. Koeberl, C., Reimold, W.U. 1993. Hartung, J., Manson structure team will help guide research. Bell, M. S., Reagan, M.K. But, hidden about 20 to 90 m (66 to 295 ft) below the surface is a buried structure about 38 km (24 mi) in diameter. Anderson, R. R., Hartung, J.B., Roddy, D.J. Geological Society of America Special Paper 302, pp. The structure is not well known geologically because it is covered by tens of meters of glacial deposits. 607-608. 1996. Izett, G. A., Cobban, W. A., Size and distribution of shocked mineral grains in the Pierre shale (Late Cretaceous) of South Dakota related to the Manson, Iowa, impact event (abstract). Lunar and Planetary Science XXII, pp. Proceedings Lunar and Planetary Science Conference 6th, pp. 2003. 347-376. The City Council will conduct a public hearing on the proposed budget for 2021. 1119-1122, 2007. Jones, M. C., McCormick, G.R. 1993. In: Proceedings of the VIIth International Symposium on the Observation of the Continental Crust Through Drilling, Santa Fe, New Mexico, pp. 1996. Witzke B.J., Anderson, R. R., Sedimentary-clast breccias of the Manson impact structure. Boynton, W. V., Baedecker, P.A., Chou, C.-L., Robinson, K.L. In: The Amoco M.G. Nearby Landmark: Rappahannock River. Therriault, A. M., Petrographic analysis of shocked quartz in the central uplift of the Manson structure, Iowa. 207-221. Kunk, M. J., Izett, G.A. Geological Society of America Special Paper 302, pp. 497-498. Geological Society of America Special Paper 302, pp. International Conference on Large Meteorite Impacts and Planetary Evolution, LPI Contribution No. 1990. 127-134, 2009, Varricchio, D.J., et al., Tracing the Manson impact event across the Western Interior Cretaceous Seaway, Special Paper of the Geological Society of America, Issue 465, pp. and Anderson,R.R., Research program on the Manson impact structure, Iowa (abstract). Lunar and Planetary Science XXVI, pp. With a 24 mile diameter. 1994. B., Gravity investigation of the Manson impact structure, Iowa. Crossey, L. J., McCarville, P., Post-impact hydrothermal systems: Manson impact structure (abstract). 397-417. Jolliff, B. L., Korotev, R.L., Rockow, K.M. Sutherland, F. L., Meteoritic versus volcanic events at the Cretaceous/Tertiary boundary - An Australian perspective (abstract). 25-37. 1992. B., Anderson, R. R., A compilation of information and data on the Manson impact structure. 1993. Crossey, L. J., Kudo, A. M., McCarville., Post-impact hydrothermal systems: Manson impact structure, Manson, Iowa (abstract). EOS, v. 52, pp. 1667-1725. Korotev, R. L., Rockow, K.M., Jolliff, B.L., Haskin, L.A., McCarville, P., Crossey,L.J., Geochemical Comparaison of Four Cores from the Manson Impact Structure (Abstract), GSA Special Paper 302 p. 275. The crater now sits approximately 200 feet below the City of Manson. 1996. 1984. (Honours) Thesis, University of Ottawa, unpublished. Grieve, R. A. F., Dence, M.R. Drinking Water Announcement. and Foster, C.T.,Jr., Petrography of crystalline clast breccias from the Manson M-1 core. Hartung, J. Sharpton V.L., Plescia J.B., Impact structures on the Earth I, 1993. 1 771 J’aime. Nature, v. 340, pp. B., The structural configuration of the Manson impact structure, Iowa, as interpreted from seismic data and confirmed by drill samples (abstract). 1994. 1994. 3-12, 1993. Journal of Geophysical Research, v. 101, pp. 299-300. 145-219. Reviews of Geophysics and Space Physics, v. 21, pp. Abramov, O., Kring, D. A., Finite-difference modeling of impact-induced hydrothermal systems, Lunar and Planetary Science XXXIV. Grieve, R. A. F., Manson structure implicated. Lunar and Planetary Science XXIV, pp. Manson Greater Crater Days, Manson, IA. 1996. The crater diameter at which saturation equilibrium occurs depends on the age of the surface – younger surfaces exhibit saturation equilibrium only at small crater diameters, whereas larger craters on older surfaces may reach equilibrium. Anderson, R. R., Witzke, B.J., Hartung, J.B., Shoemaker, E.M. and Roddy,D.J., Descriptions and preliminary interpretations of cores recovered from the Manson impact structure (Iowa) (abstract). Geological Society of America Special Paper 302, pp. 211-214. and Plocher,O., First results from the Manson impact structure core-drilling project: Preliminary observations and interpretations from the M-1 core (abstract). Lunar and Planetary Science XVII, pp. Lunar and Planetary Institute Technical Report 88-08, 32 p. 1988. 1988. Yurk, Yu Yu., Yeremenko, G.K. and Polkanov,Yu.A., The Boltysh depression: A fossil meteorite crater. 1996. 1992. 1994. B., Anderson, R. R., A Brief History on Investigations of the Manson Impact Structure (Abstract), GSA Special Paper 302 p. 31. Site developed and maintained by 2000. Geological Society of America Special Paper 302, pp. 1 @BenButterworth, it falls under the **fig_kw part, which are passed on to pyplot.figure. Koeberl, C., Anderson, R.R., Hartung, J.B. and Reimold,W.U., Manson impact structure, Iowa: First geochemical results for drill core M-1 (abstract). 412-413. 111-126. In: Proceedings of the VIIth International Symposium on the Observation of the Continental Crust Through Drilling, Santa Fe, New Mexico, pp. 1993. 2003. 1986. 1958. Find out what hidden gems await at Meteor Crater & Barringer Space Museum! Always The Last Full Weekend In June! 1993. (abstract). Journal of Geophysical Research, v. 83, pp. 1986. The Manson crater is an impact crater near the site of Manson, Iowa where an asteroid or comet nucleus struck the Earth during the Cretaceous Period, approximately 74 Ma (million years ago). Korotev, R. L., Rockow, K.M., Jolliff, B.L., Haskin, L.A., McCarville, P. and Crossey,L.J., Geochemical comparison of four cores from the Manson impact structure, Geological Society of America Special Paper on the Manson Impact Structure, in press. Christian Koeberl and Raymond R. Anderson, eds; 1996, This page was last edited on 1 February 2021, at 18:00. Shirley Manson Body Statistics. Monastersky R., Pennisi E., A buried Iowa crater finally comes of age, 1993. 135-136. 1990. 31-43. Journal of Geology, v. 66, pp. 31-51, 2004. 1993. 2002. Leroux, H., Doukhan, J. Pernicka, E., Kaether, D. and Koeberl,C., Siderophile element concentrations in drill core samples from the Manson crater. 89-104. 1992. The largest intact asteroid impact crater in the U.S. lies completely buried under the verdant cornfields of north-central Iowa, near a town called MANSON. Zeitler, P. K., Kunk, M. J., Age and thermochronology of K-feldspars from the Manson impact structure (abstract). Lunar and Planetary Science XXIV, pp. Koeberl, C., Martinez-Ruiz, F., The Stratigraphic Record of Impact Events: A Short Overview, Impact Markers in the Stratigraphic Record p. 1 - 40. Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages. 1995. Iowa Department of Natural Resources, pp. 729-732. and Obradovich,J.D., 40Ar/39Ar age of the Manson impact structure, Iowa, and correlative impact ejecta in the Crow Creek Member of the Pierre Shale (Upper Cretaceous), South Dakota and Nebraska. 1992. 465-466. But, hidden about 20 to 90 m (66 to 295 ft) below the surface is a buried structure about 38 km (24 mi) in diameter. Learn about our 60 year history with NASA and how the Apollo 11 astronauts trained at Meteor Crater to prepare for the 1969 mission to the moon. Masaitis, V. L., Danilin, A.N., Maschak, M.S., Raykhlin, A.I., Selivanovskaya, T.V. 771-772. 267-274. 1990. 1994. 526-538. 1996. Hartung J.B., Anderson, R. R., A brief history on investigations of the Manson impact structure. 1993. Researchers believed at one time that this meteorite caused the deaths of the dinosaurs. 351-352. 313-314. Leningrad, Nedra, 231 p. 1980. Lunar and Planetary Science XXIV, pp. [5], The impactor is considered to have been a stony meteorite about 2 km (1.2 mi) in diameter. Schreyer, W., Medenbach, O., CO2-rich fluid inclusions along planar elements of quartz in basement rocks of the Vredefort dome, South Africa. 1987. Roddy, D. J., Shoemaker, E.M. and Anderson,R.R., Manson impact structure research program: Summary through February 1994. 1996. Bell, M. S., Reagan, M.K. B., Izett, G.A., Naeser, C.W., Kunk, M.J. and Sutter,J.F., The Manson, Iowa, impact structure and the Cretaceous-Tertiary boundary event (abstract). by: Charles O’Dale. Koeberl, C., Shirey, S.B., Re-Os isotope systematics as a diagnostic tool for the study of impact craters and distal ejecta, Palaeogeography, Palaeoclimatology, Palaeoecology, v. 132, pp. Lunar and Planetary Science XXV, pp. Geological Society of America Special Paper 302, pp. 237-247. 196-202. calling f.set_figheight, however, does work. Short, N. M., Gold, D. P., Petrographic analysis of selected core materials from the Manson (Iowa) impact structure (abstract). Download now. 1975. Holtzman, A. F., Gravity study of the Manson "Disturbed Area", Calhoun, Pocahontas, Humboldt, and Webster Counties, Iowa (thesis). 1993 Fall Meeting, AGU, v. Fall, p. 386. B.Sc. Meteoritics, v. 28, pp. 87-88. 1988. Crater Days in Manson that was scheduled for this Friday and Saturday June 26th and 27th. Buchanan, P. C., Koeberl, C., Planar deformation features in quartz grains from the Manson impact structure, Iowa, Meteoritics and Planetary Science, v 33, n 4, p A24-A25. Plescia, J. 1993. Geological Survey of Canada Bulletin, v. 178, 63 p. 1969. Newsom, H. E., Graup, G., Sewards, T. and Keil,K., Fluidization and hydrothermal alteration of the suevite deposit at the Ries crater, West Germany, and implications for Mars. 2-3. Anderson, R. R., Hartung, J.B., Reagan, M.K., Bell, M.S. Is Manson Crater the largest crater ever? Meteoritics, v. 28, p. 317. Meteoritics, v. 28, pp. Geological Society of America Special Paper 302, pp. Witzke, B. J., Anderson, R. R., Iowa's Manson crater; the largest impact site in the U.S. Iowa Geology, v. 13, pp. Following the incarceration of Manson and the Manson girls, Fromme was not finished doing the work of the cult. 1996. Eischeid #1 Deep Petroleum Test, Carroll County, Iowa, Special Report Series No. Grieve, R. A. F., Cintala, M. J., An analysis of differential impact melt-crater scaling and implications for the terrestrial impact record. 1993. Smith G., Town has own extraterrestrial claim to fame, 1998. Korotev, R. L., Rockow, K.M., Jolliff, B.L., Haskin, L.A., McCarville, P. and Crossey,L.J., Geochemical comparison of four cores from the Manson impact structure. 4-7. and Anderson,R.R., Preliminary clay-mineral investigation of some impactites recovered by core drilling in the Manson impact structure. Kunk, M. J., Snee, L.W., French, B.M., Harlan, S.S. and McGee,J.J., Preliminary 40Ar/39Ar age spectrum and laser probe dating of the M1 core of the Manson impact structure, Iowa: A K-T boundary crater candidate (abstract). 1987. Officer, C.B., Carter, N.L., A review of the structure, petrology, and dynamic deformation characteristics of some enigmatic terrestrial structures, Earth Science Reviews, v. 30, pp. Blum, J. D., Chamberlain, C.P., Higston, M.P. 1989. Koeberl, C., Shirey, S. B., Re-Os isotope study of rocks from the Manson impact structure. Lunar and Planetary Science XXVI, pp. 1989. 1996. 1996. Science, v. 244, pp. You may view the public notice hearing by clicking here. Chemical interactions with basement and formational processes. Boer, R. H., Reimold, W.U., Koeberl, C., Kesler,S.E., Fluid Inclusion Studies on Drill Core Samples from the Manson Impact Crater: Evidence for Post-Impact Hydrothermal Activity (abstract), GSA Special Paper 302 p. 377. Anderson, R. R., Hartung, J. Lunar and Planetary Science XXIV, pp. Steiner, M. B., Shoemaker, E. M., Two-polarity magnetization in the Manson impact breccia (abstract). Manson lies near the center of a 24 mile wide crater that was created 74 million years ago when a meteorite crashed to earth. and Koeberl,C., Neodymium, strontium and oxygen isotope investigation of the target stratigraphy and impact melt rock from the Manson impact structure. and Shoemaker,E.M., Research core drilling in the Manson impact structure, Iowa (abstract). and Roddy,D.J., The drilling of the 1991-1992 Geological Survey Bureau and U.S. Geological Survey Manson impact structure research cores. 1993. 383-396. Short, N. M., Gold, D. P., Petrography of shock features in the 1953 Manson 2-A drill core (abstract). 1993. Reagan, M. K., C.T. Lunar and Planetary Science XXIV, pp. 245-265. 43-44. Lunar and Planetary Science XXIV, pp. anderson, R.R. The Manson cycle engine was designed back in 1952 by A.D. Manson and first published in Newnes Practical Mechanics March 1952 p193. Blum, J. D., Chamberlain, C.P., Hingston, M.P. anderson, R.R. Anderson, R. R., Witzuke, B.J., Hammond, R.H. and Watkins,D.K., Preliminary investigation of shocked grains (Manson ejecta? 1994. 2. 31-32. -C., A transmission electron microscope study of shocked quartz from the Manson impact structure. 1993 Fall Meeting, AGU, v. Fall, p. 386. While Manson girls Leslie Van Houten, Susan Atkins, and Patricia Krenwinkel stood trial, Lynette “Squeaky” Fromme, one of Manson’s followers who was not linked to the murders, led a group of Manson cult members who camped outside the courthouse in a show of support. 1991. 2761-2771. Eischeid #1 drillhole, Carroll Co., Iowa. Limestone layers that give the rest of Iowa hard water were instantaneously vaporized down to the basement rocks, giving Manson the anomalous soft water that it has today. Where does one hide a 24 mile hole? 1994. [7], Manson impact location shown in red on bedrock map of Iowa, Location of the crater in Iowa, United States. ), Lunar and Planetary Science XXIV, pp. Sharpton V.L., Plescia J.B., Impact structures on the Earth I, 1993. and Anderson,R.R., Preferential feldspar comminution in impact melt breccias from the M-1 core of the Manson impact structure. 436-437. Lunar and Planetary Science XXIV, pp. 1992. Lunar and Planetary Science XXVI, pp. and Koeberl,C., Strontium & oxygen isotope study of M-1, M-3 & M-4 drill core samples from the Manson impact structure, Iowa: Comparison with Haitian K-T impact glasses (abs. 1995. and Nishi,J.M., A discontinuous melt sheet in the Manson impact structure (abstract). 1978. 1971. 1994. 433-456. Unlike many impact sites that are completely unknown to the people living within or above them, the town of Manson actually holds an annual Greater Crater Days … 115-144. 1993. Lunar and Planetary Science XXIV, pp. 215-218. Anderson, R. R., Alexander, E. C., Schilling, K. E., Peate, D. W., & Dorale, J., The geology and geochemistry of ancient groundwater in the central peak aquifer of the manson impact structure, iowa. 419-432. A more simple, secure, and faster web browser than ever, with Google’s smarts built-in. 1993. 1996. 1982. Hartung, J. Hoppin, R. A., Dryden, J. E., An unusual occurrence of pre-Cambrian crystalline rocks beneath glacial drift near Manson, Iowa. 221-233. and Robertson,P.B., Cratering processes: As interpreted from the occurrence of impact melts. 1994. Pisarik, R., Petershagen, J., Wilke, K. and Sendlein,L.V.A., Magnetic studies of the Manson disturbed area (abstract). * 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. 1977. Geological Society of America Special Paper 302, pp. Confirmed impact craters listed by size and age. A meteorite about a mile in diameter formed the Manson impact crater (shown in red) at the end of the Cretaceous period. Jolliff, B. L., Rockow, K.M., Korotev, R.L., Haskin, L.A., McCarville, P.M. and Crossey,L.J., Geochemical study of cores from the Manson Impact Structure, Proceedings of the VIIth International Symposium on the Observation of the Continental Crust Through Drilling, pp. Geologicheskii Zhurnal, v. 47, pp. Steiner, M. B., Unusual magnetization characteristics of Manson and Chicxulub impact structures: Implications for post-impact time (abstract), Geological Society of America, 1995 Annual Meeting, pp. Anderson, R. R., Witzke, B. J., Bunte breccia-like deposits within the Manson impact structure (Iowa); evidence for impact into a shallow marine environment? 1994. CRATER GAZIN' Enjoy the view from one of several breathtaking outdoor observation points. Kunk, M. J., Izett, G.A., Haugerud, R.A. and Sutter,J.F., 40Ar-39Ar dating of the Manson impact structure: A Cretaceous-Tertiary boundary crater candidate. Geological Society of America Special Paper 302, pp. Considered to be one of the best-preserved “wet-target” impact craters in the world, the Chesapeake Bay Crater is the largest known impact site in the United States. 1990. 1981. 1992. Gurov, E. P., Gurova, E. P., Impact structures on the Earth's surface (in Russian). No surface evidence exists due to comparatively recent coverage by glacial till, and the site where the crater lies buried is now a flat landscape. Geological Society of America Special Paper 302, pp. The Manson impact structure, about 35 km in diameter, is the largest impact crater recognized in the United States. This new crater map was used to show that saturation equilibrium exists for craters below diameters of 50 to 160 km in diameter for widespread regions of the Moon. Sugiura N., Hashizume K., Anomalous nitrogen in Y74191 (L3) chondrite, 1990. anderson, R.R. The impact crater measures approximately 24 miles (39 km) in diameter and the city of Manson is located near the center of the impact site. 1347-1348. 215-218. Global Catastrophes in Earth History, Geological Society of America, Special Paper 247, pp. 408-409. 341-346. Weight in Pounds: 126 lbs; Weight in Kilogram: 57 kg; Height in Feet: 5′ 7″ Height in Meters: 1.70 m; Body Measurements: 34-25-34 in (86-64-86 cm) Breast Size: 34 inches (86 cm) Waist Size: 25 inches (64 cm) Hips Size: 34 inches (86 cm) Bra Size/Cup Size: 32B; Feet/Shoe Size: 9 (US) Dress Size: 4 (US) Lunar and Planetary Science XXV, pp. That an anomalous structure underlaid the area was known from unusual water well drill cuttings in 1912 of deformed rock, "crystalline clast breccia with a melt matrix" as a later report described it. and Haskin,L.A., Manson impact structure: The impact-melt component (abstract).
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