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Friday, November 6, 2020 | History

2 edition of Shock Zoning at Canadian Craters found in the catalog.

Shock Zoning at Canadian Craters

Canada. Dept. of Energy, Mines and Resources. Dominion Observatories.

Shock Zoning at Canadian Craters

Petrography and Structural Implications.

by Canada. Dept. of Energy, Mines and Resources. Dominion Observatories.

  • 370 Want to read
  • 12 Currently reading

Published by s.n in S.l .
Written in English

Edition Notes


SeriesCanada Dominion Observatory Contributions -- V.8,no.26
ContributionsDence, M.R.
ID Numbers
Open LibraryOL21904073M

Wolf, R., Woodrow, A.B. and Grieve,R.A.F., Meteoritic material at four Canadian impact craters. Geochimica et Cosmochimica Acta, v. 44, pp. * pre K-Ar, Ar-Ar and Rb-Sr ages recalculated using the decay constants of Steiger and Jager () Ages Missing: Shock Zoning. Beals, C. S., Terrestrial meteorite craters and their lunar counterparts. Ottawa Dominion Observatory Contributions, v. 7, pp. Missing: Shock Zoning. Wanting Mor by Rukhsana Khan Groundwood Books, House of Anasi Press, Toronto & Berkeley, Interest level: YA (grades ) The main character, Jameela, is a young girl from Afghanistan. Her mother, Mor, dies from disease at the beginning of the book and now Jameela is left behind to deal with her irresponsible father and take over all the /5. The rim of the crater is turned up by the force of the explosion, so it rises above both the floor and the adjacent terrain. Surrounding the rim is an ejecta blanket consisting of material thrown out by the explosion. This debris falls back to create a rough, hilly region, typically about as wide as the crater .

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Shock Zoning at Canadian Craters by Canada. Dept. of Energy, Mines and Resources. Dominion Observatories. Download PDF EPUB FB2

Contents: Shock metamorphism as a geological process / Bevan M. French; Shock waves in solids / George E. Duvall; Intense destructive stresses resulting from stress wave interactions / John S.

Rinehart; Phase equilibrium data bearing on the pressure and temperature of shock metamorphism / Peter M. Bell and F.R. Boyd; Static P-V curves of cracked and consolidated earth materials to 40 kilobars Manufacturer: Mono Book Corp. Shock zoning at Canadian craters: Petrography and structural implications.

Dence, M. Abstract. The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A. Resources About ADS ADS Help What's New [email protected] SocialCited by:   Dence, M.R.: Shock zoning at Canadian craters.

In: Shock metamorphism of natural materials (eds. B.M. French and N.M. Short), pp. – Baltimore: Mono Book Corp Cited by: Dence M. () Shock zoning at Canadian craters: Petrography and structural implications, in Shock Metamorphism of Natural Materials, B.

French and N. Short, editors, pagesThe Mono Book Corp., Baltimore. Engelhardt W. V., Bertsch W. () Shock induced planar deformation structures in quartz from the Ries crater, Germany.

Abstract. Even after the rapid drop in crater production rate after the end of the Late Heavy Bombardment, the impact cratering has remained the most common surface-shaping process for all the solid bodies of our Solar System.

This list includes all 60 confirmed impact craters in North America in the Earth Impact Database (EID). These features were caused by the collision of large meteorites or comets with the Earth.

For eroded or buried craters, the stated diameter typically refers to an estimate of original rim diameter, and may not correspond to present surface g: Shock Zoning.

Manicouagan Crater, located in Canadian province of Québec, is one of the Earth’s oldest and the most visible impact craters. Manicouagan Crater was formed by an asteroid strike over million years ago. Like a pebble creating ripples when dropped into water, the crater has concentric rings formed by shock waves transmitted by the : Caitlin Dempsey.

crater is the most persuasive evidence for an impact origin, but the criterion is not ubiquitously applicable. For impact events that form craters larger than roughly km across, the shock pressures and temperatures produced upon impact are sufficient to completely melt.

Evidence for the collision of fragmented comets or asteroids with some of the Shock Zoning at Canadian Craters book (jovian) planets and their moons is now well established following the dramatic impact of the disrupted comet. rounded morphology, the crater is clearly expressed on the spurry local topography (Fig.

The flat bottom of the crater is surrounded by the step slopes and the frag-Fig. Topography of the crater and its vicinity. The bold contour lines of the topography are shown at every 50 m; the thin ones – are at 10 m; the dashed ones – at 5 m. References Ahrens T.

() Impact erosion of terrestrial planetary atmos-pheres. Annu. Rev. Shock zoning at Canadian craters: Petrog-raphy and structural implications. In Shock Metamorphism of Natural geological and geophysical studies of Canadian craters. In Shock Metamorphism of Natural Materials (B. French and N.

Manicouagan Impact Crater, Quebec, Canada. Manicouagan is one of the largest known terrestrial impact craters. It is 65 kilometers (40 miles) in diameter, but it is worth remembering that this is small compared with some of the larger lunar structures that measure more than km ( miles) across.

New crater size-shape data were compiled for fresh lunar craters and youthful mercurian craters. Terraces and central peaks develop initially in fresh craters on the Moon in the 0–10 km diameter interval. Above a diameter of 65 km all craters are terraced and have central by: Mistastin crater is a meteorite crater in Labrador, Canada which contains the roughly circular Mistastin Lake.

[1] The lake's arcuate central island is interpreted to be the central uplift of the complex crater structure. The target rocks were part of a batholith composed of adamellite, mangerite and lenses of are abundant shock metamorphic features exhibited in the rocks of.

Planar elements in quartz, produced by shock induced plastic deformation, have been investigated in four quartz-plagioclase veins contained in an amphibolite from the crystalline basement of the Ries Crater from the drill hole ‘Nördlingen ’. The crystallographic orientation of planar elements in quartz grains is similar in all four rocks ({10¯13} predominant, {} less frequent Cited by:   MISTASTIN LAKE (55° 52′N, 63° 22′W) occupies an elliptical, east–north-east trending depression, approximately 11 by 7 miles in size, cut into moderately rugged, barren hills of Pre Cited by: 8.

CANADIAN CRATERS. RELATIVE SIZE OF CANADIAN METEORITE CRATERS/STRUCTURES References: Beals, C.S. & Halliday, I. Impact Craters of the Earth and Moon, Journal of the Royal Astronomical Society of Canada, Vol. 61, p Grieve R.A.F. & Robertson P.B. IMPACT STRUCTURES IN CANADA: THEIR RECOGNITION AND CHARACTERISTICS, Journal of the Missing: Shock Zoning.

Two moderately shocked rock samples collected from the Ries Crater, West Germany (granite—gneiss sample RC and biotite-granite sample RP) and two weakly shocked pegmatite samples (Lj and Lj) taken from Lake Lappajarvi, Finland, have been optically studied to establish the variation range of optical constants and distribution characteristics of shock Cited by: 3.

Shock metamorphism as a geological process / Bevan M. French --Shock waves in solids / George E. Duvall --Intense destructive stresses resulting from stress wave interactions / John S.

Rinehart --Phase equilibrium data bearing on the pressure and temperature of shock metamorphism / Peter M.

Bell and F.R. Boyd --Static P-V curves of cracked and. Fig. A simple impact crater. Barringer Meteor Crater (Arizona), a young, well-preserved, and well-known impact crater, km in diameter, has become the type example for small, bowl-shaped impact craters of the simple type.

The crater was formed abFile Size: 2MB. Visit to Canadian Crater Simplified Task on Moon The Canadian crater is known as Sudbury Basin, and ore deposits around its rim produce a Missing: Shock Zoning. 1 Dence, Michael R. Structural evidence from shock metamorphism in simple and complex impact craters: Linking observations to theory.

Meteoritics & Planetary Science Nr 2, (). 2 Grieve R.A.F., Impact structures in Canada, Geological Association of Canada, 3 Spray J.G. et al. A marine magnetic study of the Ile Rouleau impact structure, Lake Mistassini, Quebec Canada. One or more of the Following Statements may affect this Document Figure 5 is a cross-section of Brent crater on the Canadian shield adapted from Dence ().

At the bottom of the "primary Dence, M.R., Shock zoning at Canadian craters: Petrography and structural implications, in Shock Metgor hism. Tim Cook CM (born in Kingston, Ontario) is a Canadian military historian and author.

Cook is an historian at the Canadian War Museum and the author of eleven books about the military history of Canada during World War I. Having written extensively about World War I, Cook's focus shifted to Canada's involvement in World War II with the publication of the first volume in a two-volume Alma mater: Trent University, Royal Military College of.

icA () Moon: Central Peak Heights and Crater Origins CHARLES A. WOODI Lunar and Planetary Laboratory, University of Arizona, Tucson, Arizona Received J ; revised J The heights of central peaks in lunar craters are directly proportional to crater diameters, implying that peak height is a function of crater-forming by: Books at Amazon.

The Books homepage helps you explore Earth's Biggest Bookstore without ever leaving the comfort of your couch. Here you'll find current best sellers in books, new releases in books, deals in books, Kindle eBooks, Audible audiobooks, and so much g: Shock Zoning.

Book Review Impact structures in Canada, by Richard A. Grieve. Geological Association of Canada,p., $60 (Canadian dollars), hardback (ISBN ). Cratonic regions of the world provide rich libraries of remnant impact craters, and Canada is one of the richest among them. For nearly six decades, Canadian scientists haveAuthor: David A.

Kring. Gilbert's () first assessment of the crater at Coon Butte, Arizona (now called Meteor Crater), was that it was caused by a meteorite impact. His classical paper The Moon's Face () eloquently argued for the impact hypothesis to explain lunar g: Shock Zoning.

The database lists a crater in Chicxulub, Mexico, as one of the largest in the world at kilometres across. Beverly Elliott, data manager at the centre, says the Chicxulub crater is the one Missing: Shock Zoning.

by: Charles O’Dale *In my articles I use the term “crater“ to define a circular impact depression and the term“structure“ to define an impact crater that is severely altered by erosion. Probable: geological and geophysical studies established reasonable evidence, possibly with unconfirmed reports of shock features in abstracts, but the definite shock features and/or meteoritic.

The position of the crater is indicated by the red circle. LUNAR AND PLANETARY SCIENCE. Shag Bay, Nova Scotia – the relative position of the Montagnais impact crater is indicated in the far background, is located in meters of water on the continental shelf km southeast of Nova g: Shock Zoning.

But the hotel’s reputation took another major hit inwhen a year-old Chinese-Canadian student named Elisa Lam died a most mysterious death. A Missing: Shock Zoning. Massive Meteorite Crater Found in Canadian Arctic. By Megan Gannon 08 August Shares.

A river gorge cut into the tundra of northwestern Victoria Island shows steeply tilted sedimentary rock Missing: Shock Zoning. This is a list of possible impact structures on than features on Earth include candidate impact sites that have appeared several times in the literature and/or have been endorsed by the Impact Field Studies Group (IFSG) and/or Expert Database on Earth Impact Structures (EDEIS).

The Earth Impact Database (EID) is used at Wikipedia as authoritative using the terminology "confirmed". This book is a legacy to the Canadian foresight that, over 50 years ago, heralded the impact revolution. The astronomer Carlyle Beals () of the Dominion Astronomical Observatory in Victoria, and subsequently Ottawa, is to be credited with initiating a comprehensive investigation of Canadian craters in the s, and realizing a vision well ahead of its time.

JOINTED CRATERS NASA’s NEAR-Shoemaker spacecraft spotted these square-shaped craters on asteroid Eros. This image was taken on Apwhen NEAR Shoemaker was 50 kilometers above the surface. Craters generally tend to be round, but this image shows some craters that are more square than round.

Meteorite impact craters are one of the most common geological features in the solar system. An impact event is a near-instantaneous process that releases a huge amount of energy over a very small region on a planetary surface.

This results in characteristic changes in the target rocks, from vaporization and melting to solid-state effects, such as fracturing and shock by: The Pingualuit Crater (French: Cratère des Pingualuit; from Inuit "pimple"), formerly called the "Chubb Crater" and later the "New Quebec Crater" (French: Cratère du Nouveau-Québec), is a young impact crater, by geological standards, located on the Ungava Peninsula, in the administrative region of Nord-du-Québec, in Quebec, is km ( mi) in diameter, and is estimated to be Confidence: confirmed.

TIM COOK is a military historian at the Canadian War Museum, as well as an adjunct professor at Carleton University. His books have won numerous awards, including the J.W.

Dafoe Prize for At the Sharp End and the Charles Taylor Prize for Literary Non-Fiction for Shockhe received the Pierre Berton Award for popularizing Canadian history and was recently inducted into /5(38).

A crater at least 28 miles wide and miles deep, formed by the impact of a comet or asteroid 50 million years ago, has been discovered on the sea floor miles southeast of Nova Scotia Missing: Shock Zoning.

Earth and Planetary Science Letters, 22 () North-Holland Publishing Company, Amsterdam - Printed in The Netherlands COESITE FROM THE LAKE WANAPITEI CRATER, ONTARIO* M.R. DENCE, P.B. ROBERTSON and R.L. WIRTHLIN Earth Physics Branch, Department of Energy, Mines and Resources, Ottawa, Ont.

(Canada) Received Octo Revised version received Cited by: 8.A 10 ft (~m) diameter circular structure that exhibits rimmed crater form, shock-metamorphic features, and underlying unbrecciated basement rocks occurs near Brent, Ontario, close to the southern margin of the Canadian by: The so-called Montreal Crater quickly entered Vimy lore and is the subject of a watercolour by the great Canadian painter David Milne, who noted the giant hole was "deep enough to hold a house or Missing: Shock Zoning.