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Topic: List of geological features on Iapetus

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	US Bazaar.com : Encyclopedia Pages : Impact crater
		Armed with the knowledge of shock-metamorphic features, Carlyle S. Beals and colleagues at the Dominion Observatory, (Victoria, British Columbia, Canada), and Wolf von Engelhardt of the University of Tübingen in Germany began a methodical search for "impact structures".
		List of geological features on Jupiter's smaller moons
		List of geological features on Saturn's smaller moons
	encyclopedia.us-bazaar.com /?title=Impact_crater (2098 words)

	Discover the Wisdom of Mankind on HACKED BY TURK-SOPHİA (Site not responding. Last check: 2007-10-13)
		List of frigates of the Hellenic Navy (en)
		List of geological features on 243 Ida and Dactyl (en)
		List of geological features on 951 Gaspra (en)
	www.blinkbits.com /wikifeeds/LI?from=27300 (437 words)

	Iapetus (moon)
		Iapetus (eye-ap'-i-tus, Greek Ιαπετός) (British spelling: "Japetus") is the third-largest moon of Saturn (see: Saturn's natural satellites), discovered by Giovanni Domenico Cassini in 1671.
		Iapetus is best known for its dramatic 'two-tone' coloration, but recent discoveries by the Cassini-Huygens mission have revealed several other unusual physical characteristics.
		Iapetus is a heavily cratered body, and Cassini images have revealed large impact basins in the dark region, at least three of which are over 350 km wide.
	www.mlahanas.de /Greeks/Astro/Iapetus.html (1471 words)

	Geological Society of America - Highlights from GSA Bulletin
		New geological field mapping of the Orford to Piermont area of northwestern New Hampshire indicates that there are two deformed rock masses with distinctly different deformation histories.
		The development of such prominent physical features from the removal of dense material in the upper mantle illustrates a different style of tectonics from those driven directly by the motion of rigid plates.
		Northwest-dipping seismic reflections in the lower crust and upper mantle are interpreted as a fossil subduction zone that accommodated convergence between the North American margin and Ganderia, one of the accreted microcontinents.
	www.geosociety.org /news/pr/04-28.htm (2454 words)

	Space and Planetary Geology: World of Earth Science
		The first true lunar geologic map was that of Michael van Langren (1598–1675), which he completed in 1645.
		During the period 1880 to 1925, several telescopic maps of topographic and geological features of Mercury and Mars were produced.
		From these photographs, the first detailed geological maps of the Moon were made, thus establishing a new area of planetary photo-geologic mapping.
	science.enotes.com /earth-science/space-planetary-geology (946 words)

	Quarter-End Review, Fall 2001
		Geologic mapping of a surface forces us to examine the structure carefully, deciphering the composition, layout, history, statigraphy (relative ages) systematically.
		Since "the geological law of superposition is as valid on the Moon as it is on Earth," one can look at overlapping ejecta from craters, overlapping craters, and the maria surfaces and derive relative ages.
		List as many observations as possible that provide evidence of giant impacts throughout the solar system.
	www.astro.washington.edu /larson/Astro150b/Lectures/QtrEndReview/fall01.html (1051 words)

	ThothWeb - Iapetus: A Moon, A Mystery
		In Greek mythology, Iapetus was a Titan – a God - the son of Uranus and Gaia and the ancestor of mankind.
		He suggested that Iapetus had a light side and a dark side, and that it always kept the same face turned to Saturn (in the same way that our moon always keeps the same face turned to the Earth).
		The consensus of opinion is that Iapetus, and many of the moons of similar density, is/are made mainly from water ice.
	www.thothweb.com /article1395.html (2603 words)

	The Geologic Story of the Ocoee River
		Present-day locations of different types of rocks, and the minerals, textures, and structures (faults and folds) within rock units, are largely the result of plate tectonics - the formation, movement, and collision of plates (continent-size, rigid slabs of solid rock).
		A chain of volcanic islands moving westward on a crustal plate collided with the ancestral North American plate, causing huge sheets of rock to be thrust westward along faults or breaks in the rock layers.
		Geologic processes and human activities continue to change the landscape around you.
	pubs.usgs.gov /gip/ocoee2 (1793 words)

	Aims & Objectives: Earth History
		b) the geological features of the "trailing margin" of a continent.
		Describe the geological evidence for the opening of the Atlantic and the closure of Tethys using the record of marine transgressions during the Cretaceous period.
		To be able to list the factors that limit the exposure of rock at the surface and to distinguish between ‘solid’ and ‘drift’ maps.
	www.gla.ac.uk /departments/earthsciences/courses/l1/aoeh.htm (1661 words)

	Geological features of the solar system at AllExperts
		This is a directory of lists of geological features on other planets, moons and asteroids (in order of increasing distance of the Sun):
		* List of geological features on 243 Ida and Dactyl
		* List of geological features on 433 Eros
	en.allexperts.com /e/g/ge/geological_features_of_the_solar_system.htm (205 words)

	Planetary Astronomy/Geology Unit
		List on the overhead the types of features people saw in the pictures yesterday.
		As a class, list the places in the solar system have geological activity and those that don’t.
		Students simulate the effects of cratering and geological activity using a big box of flour with a thin layer of cocoa on top and a sling shot with marbles.
	www.astro.washington.edu /kristine/PRIME/AstronomyUnit.htm (3098 words)

	Approaching Iapetus - what makes it two-faced? - Forums powered by UBBThreads™ (Site not responding. Last check: 2007-10-13)
		I think the eveidence supports "yes" because the escarpment that runs the circumfarence of Iapetus, likens considerably to that of mercurys' and is the result of shrinkage through cooling where separated or layered materials, contracting at different rates, produce visable asymetry in objects.
		Iapetus surface gravity of 2 1/2% that of earth would imply orbital velocity of inner ring edge just prior to contact with surface of approximately 1500 kph.
		Additonally, if the cratering rate on iapetus was high enough, a tenuous impact derived atmosphere may have existed long enough to have also interacted with the possible ring structure.
	uplink.space.com /showflat.php?Cat=&Board=sciastro&Number=118640&page=4&view=collapsed&sb=5&o=0&fpart=all (7169 words)

	IngentaConnect Deep structure of southern Ireland: a new geological synthesis us...
		The BIRPS deep seismic reflection data of WIRE (West of IREland) 1/1B from Galway Bay to the Celtic Sea are integrated with geological and other geophysical data to produce a synthesis of the fundamental tectonic character of the crust in and around southern Ireland.
		It is proposed that the Lower Palaeozoic volcano-sedimentary rocks which form the Leinster massif extend southwestward beneath the Variscan province and at least 30 km offshore to the WIRE lines.
		We argue that the weak south-dipping reflectors in the upper and middle crust south of the Iapetus Suture represent an early-Caledonian fault system linked to a mid-crustal detachment which formed during the south-dipping subduction event recorded onshore by the Ordovician volcano-sedimentary successions.
	www.ingentaconnect.com /content/geol/jgs/1992/00000149/00000006/14960915 (469 words)

	Astronomical objects named after people at AllExperts
		Also, many topological features on solar system bodies have been named after people, including many hundreds of craters on the Moon, Mars and other planets and satellites.
		In addition to craters there are also various other topological features such as mountains, valleys, ridges on the Moon and other bodies which are also named after people.
		For other lists of eponyms (names derived from people) see eponym.:For a list of eponyms sorted by names see List of eponyms.
	en.allexperts.com /e/a/as/astronomical_objects_named_after_people.htm (282 words)

	New York State Geological Survey / Empire State Geogram Vol.31, No. 1, 1996 (Site not responding. Last check: 2007-10-13)
		A database that lists the wells (indexed by county and town) and the sample intervals is available for a fee.
		A geologic map, gravity map and seismicity map (1:1,000,000) are overlain to observe the relationship of earthquake distribution to the geology and gravity anomalies in New York State.
		Detailed geologic mapping of metanorthosite and related rocks in the Elizabethtown 15-Minute Quadrangle and reinterpretation of the geology of surrounding quadrangles reveals a history of at least two and possibly up to four different episodes of anorthosite emplacement.
	www.nysl.nysed.gov /edocs/education/geogram.htm (14287 words)

	JPL.NASA.GOV: News Releases
		In this image of Iapetus, the prominent linear ridge in the center of the dark area - a place known as Cassini Regio - marks the equator quite closely.
		One of these features is a long narrow ridge that lies almost exactly on the equator of Iapetus, bisects its entire dark hemisphere and reaches 20 kilometers high (12 miles).
		The hope is that the increased detail may shed light on Iapetus' amazing features and the question of whether it has been volcanically active in the past.
	www.jpl.nasa.gov /news/news.cfm?release=2005-005 (523 words)

	Impact crater Summary
		The impact hazard has a hopeful feature: Human beings (unlike dinosaurs) could avert such a catastrophe if it were about to happen.
		An impact crater is a physical scar on a planetary body's surface (topographic depression or geological structure) that is the result of hypervelocity impact by a minor planet, such as an asteroid, comet, or meteorite.
		The simple impact crater is a bowl-shaped feature with relatively high depth to diameter ratio.
	www.bookrags.com /Impact_crater (5611 words)

	Approaching Iapetus - what makes it two-faced? (Site not responding. Last check: 2007-10-13)
		The implications of this might be that once fully mapped and understood, the scientists studying this ridge feature should be able to identify specific impact crater(s) on Iapetus surface as having been the specific one(s) that occured during ring collapse and 'adjusted' axis of Iapetus.
		Iapetus seems to be spherical enough, preserves an apparently maximally ancient surface, and has a low enough orbital velocity to allow this admittedly unlikely feature to form.
		If Iapetus orbit around Saturn is situated closer to plane of Saturn's orbit around sun rather than more inclined, then it would appear that Iapetus would be closer to Saturn's magnetotail every orbit around Saturn rather than for some periods every 14 years when Iapetus, Saturn and sun are aligned.
	uplink.space.com /printthread.php?Cat=&Board=sciastro&main=118640&type=thread (10608 words)

	p13a in sm05
		The surface of Phoebe is dominated by water ice and bound water, but it has significant amounts of ferrous-iron-bearing silicates, CO as liquid or gaseous inclusions in minerals, organics, CN compounds and several as yet unidentified compounds.
		Phoebe's surface composition is consistent with other outer solar system objects Iapetus shows the presence of water ice, bound water, CO complexed in a similar fashion as on Phoebe, organics and several as yet unidentified surface components.
		Titan is shown to have strong atmopheric fluorescence at 3.3 μm due to methane, a variegated surface of roughly a factor of 2 in albedo contrast that seems mostly due to textural differences rather than compositional differences, and definite evidence of topography and geologic structures.
	www.agu.org /cgi-bin/SFgate/SFgate?&listenv=table&multiple=1&range=1&directget=1&application=sm05&database=/data/epubs/wais/indexes/sm05/sm05&maxhits=200&="P13A" (2328 words)

	Planetary geology Summary
		Planetary geology is a planetary science discipline concerned with the geology of the celestial bodies such as the planets and their moons, asteroids, comets, and meteorites.
		Eugene Shoemaker is credited with inventing the Branch of Astrogeology (now called the Astrogeology Research Program) within the U.S. Geological Survey.
		He made important contributions to the field and the study of impact craters, lunar science, asteroids, and comets.
	www.bookrags.com /Planetary_geology (1066 words)

	Albany-RPI Geological Sciences seminars 1995-2006
		Geological and Geochemical Investigations of the TAG hydrothermal field on the mid-Atlantic Ridge: Constraints on the Dynamics of Oceanic Hydrothermal Systems
		Shapes of geological objects as deformation and competence indicators: barrels, lemons, flags, ribbons, and fish
		Seminars by invited speakers prior to Spring 1995 in the Dept. of Geological Sciences of the University at Albany were sponsored wholly by the Department.
	www.albany.edu /geosciences/semrlist.html (2914 words)

	Cassini-Huygens: News-Significant Events-2005
		Targets listed in the kick-off package are Mimas, Dione, Rhea, Saturn, and Tethys.
		Detailed images of the South Polar Region reveal distinctive geological features and the most youthful terrain seen on that moon.
		Although there were a number of changes, the most significant ones were updated DSN station models to include the new X/X/Ka feed.
	saturn.jpl.nasa.gov /news/sig-event-details.cfm?newsID=591 (1052 words)

	Geological History of Britain and Ireland:0632036567:Woodcock, N. H.; Strachan, Rob :eCampus.com
		This protracted geological history would have been interesting enough to reconstruct if it had been played out on relatively stable continental crust.
		However, Britain and Ireland have developed instead at a tectonic crossroads, on crust traversed intermittently by subduction zones and volcanic arcs, continental rifts and mountain belts.
		Geological History of the British Isles tells the geological story of the region at a level accessible to most geologists, whether an undergraduate, postgraduate, professional or an informed amateur.
	www.ecampus.com /book/0632036567 (398 words)

	USGS Astrogeology: Gazetteer of Planetary Nomenclature - Categories for Naming Planetary Features
		Name derived from nearby named feature, or fire, sun, thunder, volcano gods, goddesses and heroes, mythical flsmiths
		Places associated with Io myth, derived from nearby feature, or places from Dante's Inferno
		Possible categories include worldwide aquatic spirits, terrestrial fountains or fountain locations, terrestrial aquatic features, terrestrial geysers or geyser locations, terrestrial islands.
	planetarynames.wr.usgs.gov /append6.html (702 words)

	Cassini-Huygens: News-Press Releases-2005
		Images returned by NASA's Cassini spacecraft cameras during a New Year's Eve flyby of Saturn's moon Iapetus (eye-APP-eh-tuss) show startling surface features that are fueling heated scientific discussions about their origin.
		Mars is nearly five times the size of Iapetus.
		The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency.
	saturn.jpl.nasa.gov /news/press-release-details.cfm?newsID=526 (452 words)

	Geological Magazine -- Table of Contents (January 1 1989, 126 [ 1])
		Geological Magazine -- Table of Contents (January 1 1989, 126 [ 1])
		Palaeo-oceanography and biogeography in the Tremadoc (Ordovician) Iapetus Ocean and the origin of the chemostratigraphy of Dictyonema flabelliforme fl shales
		Emplacement features of lamprophyre and carbonatitic lamprophyre dykes at Aillik Bay, Labrador
	geolmag.geoscienceworld.org /content/vol126/issue1 (273 words)

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