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Topic: Nectarian

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Lower Imbrian

Copernician

Eratosthenian

Upper Imbrian

Lunar geologic timescale

Mare Nectaris

Cosmological timeline

Mare Humboldtianum

Geologic time scale

Mesozoic

Exponential timeline

Logarithmic timeline of current events

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	Palaeos Hadean: The Nectarian Era
		The Nectarian Era is named for the Mare Nectaris ("Sea of Nectar"), an old basin on the southwest part of the lunar Nearside.
		The current "best guess" is that these objects were derived from the breakup of the planet which produced the asteroid belt, a result of tidal stresses caused by a close approach to Jupiter.
		The basins of Nectarian age are the oldest surviving basins on the moon.
	www.palaeos.com /Hadean/Nectarian.html (219 words)

	[No title] (Site not responding. Last check: 2007-11-06)
		Nectarian highly cratered light plains (unit Np) are scattered across the map area as fillers in a few basins and large craters.
		The comparative scarcity of Nectarian plains may not be due to lack of original plains materials but rather to their destruction by impact and perhaps other processes that tend to roughen smooth surfaces.
		The decline in impact flux between the Nectarian and Imbrian Periods is clearly evident on the far side in the relative paucity of Imbrian and younger craters and by the reduction in diameter of the largest craters in the three youngest systems.
	webgis.wr.usgs.gov /downloads/digeol/moon/1047/lftxt.doc (7276 words)

	[No title]
		Humboldtianum basin materials The Humboldtianum basin near the east limb of the Moon is believed to be of middle Nectarian age, as Nectarian craters are both superposed on it and partly obliterated by it, and because its well-developed rings and ejecta blanket appear morphologically sharper than those of the Nectaris basin.
		Both basins are considered of Nectarian age on the basis of morphologic sharpness and the Nectarian and younger age of superimposed craters; both basins are older than the Humboldtianum basin.
		Nectarian craters are identified by morphologic comparison with craters superposed on the Nectaris ejecta blanket.
	astrogeology.usgs.gov /Projects/PlanetaryMapping/DIGGEOL/moon/1062/lntxt.doc (6407 words)

	Adler Planetarium / Learning Astronomy / The Moon / Lunar Geologic Time (Site not responding. Last check: 2007-11-06)
		Nectarian objects were created from 3.9 billion to 3.8 billion years ago.
		The most prominent features of the Nectarian age are 13 large basins formed from super-massive impacts.
		Nectaris is one of the oldest crater basins on the Moon.
	www.adlerplanetarium.org /learn/moon/time.ssi (566 words)

	Mare Smythii - Wikipedia, the free encyclopedia
		Mare Smythii (latin for "Sea of William Henry Smyth") is a lunar mare located along the equator on the easternmost edge of the lunar near side.
		The Smythii basin where the mare is located is of the Pre-Nectarian epoch, while the surrounding features are of the Nectarian system.
		The mare material, which make up the floor of the mare, is a high alumious basalt, and consists of Upper Imbrian basalt covered by Eratosthenian basalt.
	en.wikipedia.org /wiki/Mare_Smythii (152 words)

	ALS Lunar Observers Certificate List of Objects
		Its smooth floor and the north-south mottling are from the Imbrium impact's ejecta.
		Note both the shape of the rim (somewhat squarish), the smooth floor (ejecta from the Imbrium impact), and the linear 'cuts' in the walls (local destruction from the Imbrium ejecta).
		Crater Gassendi: a complex crater from the Nectarian Period, filled with an abundance of post-impact changes.
	www.lunar-reclamation.org /observation_list.htm (2616 words)

	mare anguis (Site not responding. Last check: 2007-11-06)
		Mare Anguis (the "serpent sea") is a lunar mare located on the near side of the Moon, about 150 miles in diameter.
		Located within the Crisium basin, Mare Anguis is a part of the Nectarian System, meaning that it was formed during the Nectarian time period.
		Like most mare, the surface of Mare Anguis is dark, indicating that it has been filled with volcanic basalt.
	www.yourencyclopedia.net /Mare_Anguis.html (128 words)

	[No title] (Site not responding. Last check: 2007-11-06)
		The Nectarian and pre-Nectarian age assigned to the extensive, nondistinctive mantled terra material (geologic map unit NpNt, concentrated in province tm) reflects its probable origin as a mixture of degraded ejecta of Nectarian and pre- Nectarian basins and craters.
		On the basis of density and morphology of superposed craters, the plains materials are tentatively divided into three gradational units (of middle Imbrian, early Imbrian or late Nectarian, and Nectarian age), and the less distinct terra-mantling materials are divided into two (of Imbrian and Nectarian age).
		The Nectarian Period was initiated by a large impact west of the mapped area that created the Nectaris basin, blanketed the pre-Nectarian crater-and-basin terrain with lineated and probably nonlineated ejecta, and created clusters of secondary craters.
	webgis.wr.usgs.gov /downloads/digeol/moon/948/letxt.doc (5077 words)

	Nectarian -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-11-06)
		The Nectarian Period of the (Click link for more info and facts about lunar geologic timescale) lunar geologic timescale runs from 3920 million years ago to 3850 million years ago.
		It is the period during which the (Click link for more info and facts about Nectaris Basin) Nectaris Basin was formed by a large (Click link for more info and facts about impact event) impact event.
		No doubt similar events have happened on Earth because it is considerably larger and more massive than the (Any natural satellite of a planet) Moon.
	www.absoluteastronomy.com /encyclopedia/n/ne/nectarian.htm (107 words)

	Irene Antonenko, Ph.D. Thesis: Chapter 4
		The Mendel-Rydberg basin is a Nectarian aged basin that is approximately 630 km in diameter [Wilhelms, 1987].
		For the younger cryptomafic unit, inside the inner ring of Humboldtianum, the terra material is adopted as the lower age bound and the light plains are adopted as the upper age bound.
		This interpretation is consistent with the observation of several potentially multi-layered cryptomafic deposits during the course of this study, as well as the suggestion that interleaving of ejecta deposits between volcanic layers may be a common phenomenon.
	home.the-wire.com /~iant/Thesis/chapter4/chapt4.html (18788 words)

	Supercoil bei eLexi - das Onlinelexikon (Site not responding. Last check: 2007-11-06)
		Mare Nectaris (the "sea of nectar") is a lunar mare located within the Nectaris basin on the lunar nearside.
		The basin material is of the Nectarian and Lower Imbrian epochs, with the mare material of
		Mare Smythii (sea of William Henry Smyth) is a lunar mare located along the equator on the easternmost edge of the lunar near side.
	www.elexi.de /en/s/su/supercoil.html (717 words)

	nectarian (Site not responding. Last check: 2007-11-06)
		The Nectarian Period of the lunar geologic timescale The lunar geologic timescale divides the history of...
		Sponsored links: The Nectarian Period of the lunar geologic timescale runs from 3920 million years ago to 3850 million years ago...
		The Nectarian Period of the lunar geologic timescale runs from 3920 million years ago to 3850 million years...
	webhosting4u2.net /word/nectarian.htm (310 words)

	Lunar geologic timescale - Wikipedia, the free encyclopedia
		The lunar geologic timescale divides the history of Earth's Moon into six generally recognized geologic periods:
		In many lunar highland regions, planetologists cannot currently distinguish between Nectarian and Pre-Nectarian materials.
		These deposits are called Pre-Imbrian age materials, which encompasses both time periods.
	en.wikipedia.org /wiki/Lunar_geologic_timescale (76 words)

	The Grand Canyon and the Moon (Site not responding. Last check: 2007-11-06)
		It is common to group the Pre-Nectarian and Nectarian systems into the Pre-Imbrian, as in Shoemaker's original paper.
		The duration of the Nectarian is relatively small.
		They are not intended to make the reader a professional, but they should provide a basis for understanding the fascinating endeavor of reading the history of the Moon by looking closely at its features.
	www.astro.lsa.umich.edu /users/cowley/GCandMoon.html (6042 words)

	Nectarian Encyclopedia Article, Definition, History, Biography (Site not responding. Last check: 2007-11-06)
		Looking For nectarian - Find nectarian and more at Lycos Search.
		Find nectarian - Your relevant result is a click away!
		Look for nectarian - Find nectarian at one of the best sites the Internet has to offer!
	www.karr.net /search/encyclopedia/Nectarian (294 words)

	Learn more about Nectarian in the online encyclopedia. (Site not responding. Last check: 2007-11-06)
		Learn more about Nectarian in the online encyclopedia.
		Enter a phrase or search word in the box below.
		Hint: Play with putting spaces before and after your words to see the different results you get.
	www.onlineencyclopedia.org /n/ne/nectarian.html (141 words)

	Sweet nectarian Ambrosia flowing like a river {gulam-jaban on your tongue}!!.. (Site not responding. Last check: 2007-11-06)
		Sweet nectarian Ambrosia flowing like a river {gulam-jaban on your tongue}!!..
		O my merciful Lord Caitanya, may the nectarean Ganges waters of Your transcendental activities flow on the surface of my desertlike tongue.
		If they were to use their dry tongues to chant the holy name of the Lord -- Hare Krishna, Hare Krishna, Krishna Krishna, Hare Hare/ Hare Rama, Hare Rama, Rama Rama, Hare Hare -- as exemplified by Lord Caitanya, they would taste sweet nectar and enjoy life.
	www.audarya-fellowship.com /showflat/cat/hinduism/84417/9/collapsed/5/o/1 (479 words)

	Mare Crisium - TheBestLinks.com - Moon, Palimpsest, Mare Tranquillitatis, Nectarian, ... (Site not responding. Last check: 2007-11-06)
		Mare Crisium, Moon, Palimpsest, Mare Tranquillitatis, Nectarian, Upper Imbrian...
		Mare Crisium (the "sea of crises") is a lunar mare located in the Moon's Crisium basin, just northeast of Mare Tranquillitatis.
		This basin is of the Nectarian epoch, while the mare material is of the Upper Imbrian epoch.
	www.thebestlinks.com /Mare_Crisium.html (179 words)

	Waco News Volume No. 15 Issue No. 6 - June 2003 (Site not responding. Last check: 2007-11-06)
		The basin was formed by a massive impact approximately 3.85 billion years ago, marking the close of the Nectarian Period.
		This was the end of the heavy bombardment which formed the big impact basin which later filled with lava to become the seas we know and love.
		The Nectarian Period was followed by the Imbrium Period, which is when the basins flooded.
	www.whatcomastronomy.org /newsletter/200306.html (3269 words)

	Nectarian - Encyclopedia Glossary Meaning Explanation Nectarian (Site not responding. Last check: 2007-11-06)
		Here you will find more informations about Nectarian.
		If you find this encyclopedia or its sister projects useful,
		No doubt similar events have happened on Earth because it is considerably larger and more massive than the Moon.
	www.encyclopedia-glossary.com /en/Nectarian.html (133 words)

	Mare Nectaris (Site not responding. Last check: 2007-11-06)
		Montes Pyrenaeus borders the mare to the west and The large crater near the south center of the mare is known as Rosse.
		The mare material is approximately 1000m in depth, and mainly of the Nectarian and Lower Imbrian epochs, with the mare material of the Upper Imbrian epoch.
		The crater Theophilus on the northeastern side of the mare is of the Eratosthenian epoch.
	www.omniknow.com /common/wiki.php?in=en&term=Mare_Nectaris (322 words)

	Isostasy of the Moon from high-resolution gravity and topography data: Implication for its thermal history
		Lithospheric thicknesses of the early Moon were investigated by comparing the gravity anomalies of craters and impact basins of various dimensions.
		The lithosphere was already thick enough to support craters with diameters up to 300 km in the Pre-Nectarian and Nectarian Periods.
		Degree of isostatic compensation of larger impact basins suggested lithospheric thickness of 20–60 km at that time, which depended more on localities rather than age differences.
	www.agu.org /pubs/crossref/2004/2004GL022059.shtml (225 words)

	Information Archive at NNYTech (Site not responding. Last check: 2007-11-06)
		Ordered by epoch it's Hainzel (nectarian), Hainzel C(imbrium) and then Hainzel A (Eratosthenian).
		This order according toWuilhelms Geologic Map of the Nearside--tho what explains how thesouthwest rim of C extends into a younger crater i haven't a clue.
		the> underlying crater, the largest, is Hainzel, a very old crater, from> the nectarian period, more than 3,85 billions years ago.
	archive.nnytech.net /sgroup/lunar-observing/4846/1 (354 words)

	Remote sensing and geologic studies of the Balmer-Kapteyn region of the Moon
		The fresh DHC FeO values (15.0–15.7 wt.%) that best represent those of buried mare basalts are well within the range of values exhibited by high-alumina mare basalts.
		While most cryptomare deposits occur beneath surfaces that range in age from Imbrian to Nectarian, it is possible that some mare flows were emplaced during pre-Nectarian time.
		Most cryptomare deposits in the B-K region were formed by the contamination of mare surfaces by highland-rich distal ejecta from surrounding impact craters.
	www.agu.org /pubs/crossref/2005/2004JE002383.shtml (451 words)

	Palaeos Hadean: The Hadean Eon
		Consequently, the time sequence and stratigraphy of the Hadean are largely based on lunar events.
		For example the Nectarian Era is defined by reference to the formation of the Nectaris Basin (southwestern Nearside).
		The Hadean has no place in the ICS system followed in the rest of Palaeos.
	www.palaeos.com /Hadean/Hadean.htm (1861 words)

	LPOD - Lunar Photo of the Day - February 23, 2004
		That history is summarized in the Survey's Geologic Map of the Moon and in this chart whose colors approximately match those of the Map.
		The names Copernican, Eratosthenian, Imbrium, Nectarian and pre-Nectarian are commonly used by lunar scientist to describe periods of lunar history.
		Note how much activity was squeezed into the first 700 million years, and how little has happened during the last three billion!
	www.lpod.org /archive/2004/02/LPOD-2004-02-23.htm (249 words)

	ITV Productions :: Prabhupada Memories (Site not responding. Last check: 2007-11-06)
		But he always urged his followers towards Krishna and the practices of Lord Chaitanya's Sankirtan Movement.
		32 hours of nectarian anecdotes about His Divine Grace A.C. Bhaktivedanta Swami Prabhupada.
		Disciples and followers tell of their association with Srila Prabhupada.
	www.itvproductions.net /store/home.php?cat=12 (282 words)

	Moon Society: Lunar Study and Observing Certificate
		The Table below allows you to zip to those areas that are currently illuminated and available for observation
		Mare Crisium: (North - South) a lava filled basin from the Nectarian Period.
		Crater Alphonsus: [article] A large old crater from the Nectarian Period.
	www.moonsociety.org /certificate/certificate.html (3306 words)

	Artemis Project: Summary of Lunar Stratigraphic Units
		Early Imbrian - Impacts forming Imbrian and Orientale basins, significant impact cratering
		Nectarian - Multiple large ringed basin forming impacts
		Pre-Nectarian - Formation of the lunar crust, very heavy impact cratering, including basin formation
	www.asi.org /adb/m/04/04/stratigraphy_summary.html (299 words)

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