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Topic: Haughton impact crater

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	Haughton impact crater - Wikipedia, the free encyclopedia
		It was formed about at the end of the Oligocene, 23 million years ago, by an impacting object approximately two kilometres in diameter which left a crater some 20 kilometres in diameter.
		At 75°N latitude, it is one of the highest-latitude impact craters known.
		The center of the crater is atypical in that the impact breccia (ejected rock which has fallen back into the impact zone and partially re-welded) is permeated with permafrost, thus creating a close analog to what may be expected to be found at crater sites formed on a cold, wet Mars.
	en.wikipedia.org /wiki/Haughton_impact_crater (247 words)

	Impact crater - Wikipedia, the free encyclopedia
		An impact crater (impact basin or sometimes crater) is a circular depression on a surface, usually referring to a planet, moon, asteroid, or other celestial body, caused by a collision of a smaller body (meteorite) with the surface.
		In the center of craters on Earth a crater lake often accumulates, and a central island or peak (caused by rebounding crustal rock after the impact) is usually a prominent feature in the lake.
		Few underwater craters have been discovered because of the difficulty of surveying the sea floor; the rapid rate of change of the ocean bottom; and the subduction of the ocean floor into the Earth's interior by processes of plate tectonics.
	en.wikipedia.org /wiki/Impact_crater (2014 words)

	Crater
		A crater (basin or impact crater) is a circular depression on the surface of a planet, moon, asteroid, or other celestial body.
		In the center of craters on Earth a crater lake often accumulates, and in craters formed by meteorites a central island (caused by rebounding crustal rock after the impact) is usually a prominent feature in the lake.
		Daniel Barringer was one of the first to identify a geological structure as an impact crater, the Barringer Meteorite Crater (or the "Meteor Crater") in Arizona, but at the time his ideas were not widely accepted, and when they were, there was no recognition of the fact that Earth impacts are common in geological terms.
	grupos.xasa.us /wiki/en/wikipedia/c/cr/crater.html (1290 words)

	Geological Society of America - Meteor Impacts: Life’s Jump Starter?
		Meteor impacts are generally regarded as monstrous killers and one of the causes of mass extinctions throughout the history of life.
		The idea that meteor impacts could benefit or even create conditions suitable for the beginning of early life struck Canadian Space Agency geologist Gordon Osinski while he and colleagues were conducting a geological survey of the 24-kilometer (15-mile) diameter Haughton Crater.
		Impact craters of that age were long ago erased on Earth by erosion, volcanic resurfacing and plate tectonics.
	www.geosociety.org /news/pr/05-25.htm (608 words)

	Haughton Crater \| NASA Haughton-Mars Project
		The Haughton meteorite impact crater, on Devon Island, Nunavut, in the Canadian high arctic, is 20 km in diameter and formed 23 million years ago.
		It is one of the highest-latitude terrestrial impact craters known on land (75°22'N, 89°41'W).
		However, particularly distinctive at Haughton is the crater's allochthonous impact breccia formation, a rubble deposit resulting from the launching, airborne mixing, fallback and weak rewelding of impact-shattered fragments derived from the entire stack of excavated rocks.
	www.arctic-mars.org /about/crater.html (701 words)

	SPACE.com -- Arctic Impact Crater Becomes Mars Test-Bed
		Its estimated that between 70 and 100 billion tons of rock was excavated from the crater in the moments just after the impact, said Gordon Osinski, a geologist at the University of New Brunswick who is doing his Ph.D. work on the geology of Haughton crater.
		"An impact crater on a planet is a poor-mans drill," Lee said recently while standing on the west rim of the crater, looking into the broad bowl of breccia and sedimentary lake deposits.
		Colleen Lenahan, a geology student at the University of New Brunswick, holds a piece of impact breccia from the Haughton Crater.
	www.space.com /scienceastronomy/solarsystem/devon_crater_000811.html (1491 words)

	Mars on Earth - Autumn 2000
		Haughton Crater is 20 km in diameter and formed 23 million years ago (Miocene).
		The rocks that were impacted (mostly ancient marine sediments over 300 million years old, replete with fossils, some of primitive corals and stromatolites) were in part vaporized or crushed and ejected from the crater.
		The Haughton breccia is now permeated with ground-ice and may provide the closest natural analog to the martian regolith (the surface rubble on Mars generated by impacts).
	chapters.marssociety.org /youth/mc/issue7/mars_on_earth.php3 (828 words)

	Mars Arctic Research Station, Devon Island/ Haughton Crater (Site not responding. Last check: 2007-10-15)
		Haughton is an impact crater, a common and fundamental geological feature ofthe Martian surface (and of many other planetary surfaces).
		At Haughton, the impact breccia is permeated with "permafrost" (ground-ice), thus producing what may be the closest natural analog on Earth to the Martian regolith.
		These ancient crater lake sediments provide an analog for sediments expected to be found in ancient impact craters on Mars that may have once contained lakes as well.
	resources.yesican.yorku.ca /trek/mars/devon.htm (1002 words)

	Earth Impact Database
		Dabizha, A.I. 1977 A new interpretation of the structure of meteorite craters (in Russian).
		Grieve, R.A.F. 1988 The Haughton impact structure: Summary and synthesis of the results of the HISS project.
		Pohl, J. Eckstaller, A. and Robertson, P.B. 1988 Gravity and magnetic investigations in the Haughton impact structure, Devon Island, Canada.
	www.unb.ca /passc/ImpactDatabase/images/haughton.htm (1605 words)

	[No title] (Site not responding. Last check: 2007-10-15)
		Indeed an impact event some 65 million years ago was directly responsible for the evolution and emergence of present day mammals--at the expense of the dinosaurs.
		The investigation of the Haughton crater is called the Haughton Mars Project and is a multidisciplinary investigation that is co-sponsored by NASA, the National geographic Society and various other bodies.
		By returning year after year to the Haughton crater, the teams of scientists are building up large databases of information with regard to the effect of the environment on biology.
	www.lyon.edu /projects/marsbugs/2000/20000918.txt (5540 words)

	Scientists Find Secret Of Life... In The Stars
		Scientists studying an impact crater in the Arctic have found evidence to suggest that asteroids hitting the Earth can help life to flourish as well as cause catastrophic destruction.
		The Haughton crater was created 25 million years ago when an asteroid about a kilometre wide hit Earth, releasing energy equivalent to about 1,000 Hiroshima atomic bombs.
		The heat from a similar impact about four billion years ago could have lasted for between 1,000 and a million years.
	www.rense.com /general57/life.htm (410 words)

	Biology of Haughton Crater - Autumn 2000
		The Haughton Impact Crater is set in a polar desert biome in the high arctic.
		We are studying the cyanobacteria (an ancient lineage of photosynthetic bacteria) that live in the impact shocked rocks and we are examining the types of microbes that live in the lakes inside the crater, particularly the cyanobacterial mats.
		By characterizing the microbial populations of the crater we contribute towards other work in Canada to understand the ecology of the high arctic.
	chapters.marssociety.org /youth/mc/issue7/haughton_biology.php3 (283 words)

	[22.06] A Unique Mars Analog Site: The Haughton Impact Crater and Surroundings, Devon Island, Canadian High Arctic (Site not responding. Last check: 2007-10-15)
		We have identified a variety of geologic features and processes at the Haughton impact crater and in its surroundings on Devon Island, Arctic Canada, that may provide analogs for geologic features reported on Mars or to geologic processes that may have operated earlier in that planet's history.
		A survey of the periglacial, "fluvio-glacial", paleolacustrine and impact brecciation features and processes encountered at Haughton, as a result of two seasons of field observations (1997 and 1998) is presented.
		Active layer detachment slides and ground-ice sapping alcoves in the Haughton impact breccia formation and small valley networks of probable meltwater origin on the plateau surrounding Haughton, are examples of the remarkable morphologic analogs to features reported on Mars.
	www.aas.org /publications/baas/v30n3/dps98/413.htm (307 words)

	SFU researcher embarks on Mars-like expedition
		Braham, a research group director in the Centre for Experimental and Constructive Mathematics, left for the 23 million year old Haughton impact crater in the polar desert of Devon Island in the Canadian high arctic on June 24.
		Created by a meteorite impact, the 20 kilometre wide hole in the earth's crust presents climatic and geological similarities with Mars such that NASA scientists are using it as an analogue site to understand geological, climatic and possibly microbiological processes on the Red Planet, and to test new communication technologies for collaboration between scientists.
		PolyLab is helping NASA develop the networking model being used in Haughton Crater in conjunction with SFU's Telematics Research Lab, which has already tested a similar model in emergencies and disasters, and is a Sun Microsystems Technology and Research Excellence Centre.
	www.eurekalert.org /pub_releases/1999-07/SFU-Sreo-160799.php (481 words)

	Mars Arctic Research Station, Haughton-Mars Project, HMP99 (Site not responding. Last check: 2007-10-15)
		The Haughton-Mars Project (HMP) is a multidisciplinary investigation to study the Haughton Crater in the Canadian Arctic.
		Haughton also provides an opportunity to study the amount of warming of early lake waters by impact-induced hydrothermal activity.
		Regolith Investigations (rock crushed by meteorite impact); Impact Investigations (features of the crater and surroundings); Biological Investigations (arctic life, crater life, lithophytic organisms).
	resources.yesican.yorku.ca /trek/mars/hmp99.htm (1151 words)

	Impact crater - Enpsychlopedia (Site not responding. Last check: 2007-10-15)
		See the Earth Impact Database, (http://www.unb.ca/passc/ImpactDatabase/essay.html) a website concerned with over 160 identified impact craters on the Earth.
		Charles A. Wood and Leif Andersson, New Morphometric Data for Fresh Lunar Craters (http://adsabs.harvard.edu//full/seri/LPSC./0009//0003669.000.html), 1978, Procedings 9th Lunar and Planet.
		electrical discharge as a cause of craters (http://www.thunderbolts.info/tpod/2004/arch/041115craters.htm)
	www.grohol.com /psypsych/Impact_crater (2063 words)

	CNN.com - Would life on Mars be this messy? - July 18, 2001
		The area is said to be similar to Mars and may give insights into the possibilities of living in the extreme environment of the red planet.
		Lee says the rocks that are here are very porous as a result of the impact, so much so that microbes actually live inside.
		An impact crater might be a very cool place to land on Mars.
	archives.cnn.com /2001/TECH/space/07/18/downlinks (1118 words)

	DigeratiCafe: Impact crater :Online Reference Section (Site not responding. Last check: 2007-10-15)
		Digeraticafe Home > Reference Home > Impact crater
		Please Note: The opinions expressed in articles at digeraticafe.com are those of the authors.
		Copyright: We believe all articles are reproduced in compliance with the requirements of all copyright holders.
	www.digeraticafe.com /reference/Impact_crater (2065 words)

	GIS News: Life on Mars with ER Mapper 6.3
		The Mars Society has used ER Mapper 6.3 on an expedition to the Haughton Impact Crater to generate geological and biological field data as part of a 2-week Martian fieldwork simulation.
		The Haughton Crater is approximately 20km wide and was formed approximately 23 million years ago.
		The crew processed a Landsat ETM image of the area while on site at Haughton using ER Mapper 6.3, which assisted them in identifying features and sites in and around the crater such as: ring faults, hydrothermal spots and drainage lines.
	www.gisdevelopment.net /news/viewn.asp?id=GIS:N_igpouahj (299 words)

	Meteor Impacts: Life's Jump Starter?
		Aerial radar image of the Haughton crater (24 km, 15 mi wide) in Canada.
		Although about 23 million years old, much of the crater's morphology has survived erosion.
		Besides providing heat and cracking the ground, the impact also created pore spaces in otherwise dense granitic rocks, giving microbes more access to the minerals and the surfaces inside the rocks - basically more real estate and more supplies.
	www.terradaily.com /news/early-earth-05i.html (824 words)

	Universe Today - Heavy Bombardments Make the Best Homes... for Microbes
		Although it would have been catastrophic for you and I, it might have actually been a nice environment for early microbes.
		This is according to researchers who spent time at Haughton Impact Crater on Devon Island, in the Canadian Arctic.
		They found many life-friendly features in this "ground zero", including hydrothermal vents, blasted rocks that make cosy microbe homes, and a nice, protected impact basin.
	www.universetoday.com /am/publish/meteor_impact_life_jump_starter.html (757 words)

	Carnegie Mellon Robotic Helicopter Will Help NASA Scientists Explore A Remote Arctic Crater And Learn More About Mars
		Scientists consider the site to be a potential Mars analog because many of its geologic features, including ice-rich terrains, ancient lake sediments and nearby networks of small valleys, resemble those reported at the surface of Mars.
		Other Carnegie Mellon researchers on the Haughton Mars expedition will conduct experiments with a ground-penetrating radar system and a field spectrometer, which are being developed to aid robotic exploration for meteorites in Antarctica.
		The field spectrometer will be deployed by hand, along with a metal detector and magnetometer around the Haughton crater, to determine the site's reflective qualities and better understand its compositional evolution.
	www.eurekalert.org /pub_releases/1998-06/CMU-CMRH-160698.php (775 words)

	SpaceRef - Astronomy - Planets - Mars - Analogs (Site not responding. Last check: 2007-10-15)
		This facility will be located at the Haughton meteorite impact crater on Devon Island in the Canadian high arctic beginning in the summer of 2000.
		Haughton Crater Mission - Autonomous Helicopter Project - This site describes a remote-controlled helicopter tested recently at the Haughton-Mars Project in the Canadian high arctic - The Robotics Institute - Carnegie Mellon University.
		Haughton-Mars Project - This site describes a current multidisciplinary project that studies the Haughton meteorite impact crater on Devon Island in the Canadian high arctic with a focus upon learning how to explore Mars by testing robotic and human exploration technologies and strategies.
	www.spaceref.com:16080 /directory/astronomy/planets/mars/analogs (315 words)

	Haughton-Mars Project
		Today's activities centered around a major traverse into the Haughton Crater so that Dr. Jeff Jones could complete his sampling of unvisited locations looking to see if the human associated microbes have altered the local microflora for a planetary protection study.
		To honor the memory of the seven astronauts of Space Shuttle Columbia's last flight, and at the suggestion of our colleague Keith Cowing of SpaceRef, the NASA Haughton-Mars Project (HMP) has established seven astronaut memorial sites on Devon Island, in the Canadian High Arctic, during the summer field seasons of 2003 and 2004.
		Each site was chosen for its special significance in the NASA HMP's analog exploration program near Haughton Crater, and is marked by an Inukshuk, a traditional Inuit "Stone Person".
	www.arctic-mars.org (1384 words)

	SPACE.com -- Simulating a Martian Colony in the Arctic
		The second analog habitat, the Mars Desert Research Station, will be exhibited at Kennedy Space Center in Florida this summer, prior to being moved to a permanent location in the American Southwest.
		Radar image of Devon Island, replete with the Haughton meteorite impact crater.
		The 12 mile (20 kilometer) in diameter Haughton meteorite impact crater, formed 23 million years ago, adds to the alien look of the landscape.
	www.space.com /missionlaunches/missions/devon_return_010627.html (1464 words)

	Earth Resource Mapping - Press Release (Site not responding. Last check: 2007-10-15)
		Perth, Western Australia—The Mars Society used ER Mapper 6.3 on an expedition to the Haughton Impact Crater to generate geological and biological field data as part of a 2-week Martian fieldwork simulation.
		The crew processed a Landsat ETM image of the area while on site at Haughton
		in and around the crater such as: ring faults, hydrothermal spots and
	www.geoplace.com /pressrelease/pressdetail_print.asp?id=3114 (309 words)

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