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Topic: Pseudofossil

	Fossil - Biocrawler (Site not responding. Last check: 2007-11-06)
		Pseudofossils are regular patterns in rocks that are produced by naturally occurring processes.
		Some pseudofossils, such as dendrites, are formed by naturally occurring fissures in the rock that get filled up by percolating minerals.
		Other types of pseudofossils are kidney ore (round shapes in iron ore) and moss agates, which look like moss or plant leaves.
	www.biocrawler.com /encyclopedia/Fossils (837 words)

	Pseudofossil - Wikipedia, the free encyclopedia
		Pseudofossils are inorganic objects, markings, or impressions that might be mistaken for fossils.
		Specimens which cannot be attributed with certainty to either the fossils or the pseudofossils are treated as dubiofossils.
		Pseudofossils may be manufactured by individuals who hope to sell them to an unwary buyer, but in the case of Piltdown Man, mischief was clearly at work.
	en.wikipedia.org /wiki/Pseudofossil (320 words)

	Pseudofossil (via CobWeb/3.1 planetlab1.cs.virginia.edu) (Site not responding. Last check: 2007-11-06)
		Pseudofossils are inorganic objects, markings, or impressions that might be mistaken for fossils.
		Pseudofossils may be misleading, as some types of mineral deposits can mimic lifeforms by forming what appear to be highly detailed or organized structures.
		Pseudofossils may be manufactured by individuals who hope to sell them to an unwary buyer, but in the case of Piltdown Man, mischief was clearly at work.
	www.e-tv.co.za.cob-web.org:8888 /p/s/e/Pseudofossil.html (344 words)

	::Bollinger County Museum of Natural History::
		Some pseudofossils have such amazing features that they are highly prized by collectors.
		These pseudofossils were found in Jefferson County, Missouri, and frequently erode from the rocks along Highway 55.
		Probably the most commonly mistaken pseudofossils are chert nodules, which are abundant in many parts of Missouri and Illinois.
	www.bcmnh.org /naturalhistory.html (428 words)

	Fossil - Encyclopedia, History, Geography and Biography
		These fossils can be found in sandstones or mudstones or washed up on beaches like those around the Baltic Sea.
		Pseudofossils are visual patterns in rocks that are produced by naturally occurring geologic processes rather than biologic processes.
		Fossil, Rarity of fossils, Permineralization, Replacement and compression fossils, Trace fossils, Microfossils, Resin fossils, Pseudofossils, Living fossils, See also, External links, Fossils and Paleontology.
	www.arikah.net /encyclopedia/Fossil (1125 words)

	Roth, A. A. --- False Fossils (via CobWeb/3.1 planetlab1.cs.virginia.edu) (Site not responding. Last check: 2007-11-06)
		Sometimes the term pseudofossil is used to designate a form that was thought to be a fossil but that turns out to be of non-living origin.
		One dictionary describes a pseudofossil as an object mistaken for a fossil by an inexperienced person; however the case of the pisoliths mentioned above does not exonerate experts from the challenge of determining if something is really a fossil.
		The long list of pseudofossils now bedecking the scientific literature should warn us to be cautious about any unwarranted claims about fossils.
	www.grisda.org.cob-web.org:8888 /origins/23110.htm (4249 words)

	Roth, A. A. --- False Fossils
		Some horizontal tubes that have been interpreted as being formed by organisms have turned out to be desiccation cracks which later became filled by other sediments.
		The problem of pseudofossils is particularly acute in the lowest parts of the geologic record, where evolutionists expect the earliest, simple life forms to have originated.
		The pseudofossil problem also comes into focus with respect to stromatolites (Figures 3, 4), which are finely laminated sedimentary structures, usually in the centimeter to meter range and often having a mounded or wavy form.
	www.grisda.org /origins/23110.htm (4241 words)

	EARTH SCIENCES: A NEW GEOLOGIC PERIOD (Site not responding. Last check: 2007-11-06)
		The authors use AFM to image the fine structure of the cell walls of Precambrian microfossils, an approach to this problem that coupled with laser-Raman spectroscopy reveals the submicron-scale organization of their kerogenous components.
		AFM images, backed by laser-Raman spectroscopic analysis of individual specimens, demonstrate that the walls of these petrified fossils are composed of stacked arrays of 200-nm-sized angular platelets of polycyclic aromatic kerogen.
		Together, AFM and laser-Raman spectroscopy provide means by which to elucidate the submicron-scale structure of individual microscopic fossils, investigate the geochemical maturation of ancient organic matter, and, potentially, distinguish true fossils from pseudofossils and probe the mechanisms of fossil preservation by silica permineralization.
	scienceweek.com /2004/sa040917-1.htm (1113 words)

	Paleorama.com
		Pseudofossils may be misleading, as some types of mineral deposits can mimic lifeforms by forming what appear to be highly detailed or organized structures.
		For example, Eozoon is a complex lumpy form found in some rocks that was long thought to be a fossil algae until "specimens" were identified in recent lavas.
		There are no special rules about where one may find fossils...
	www.paleorama.com /fossils/pseudo.html (1156 words)

	DISPATCHES: Dinosaurs in the Desert
		Champing at the bit after so many days on the road, we soon spread out over the slopes near camp in search of fossils.
		We walked slowly and methodically, staring at the ground in search of the tiniest glimmer of bone, picking up anything even vaguely suspicious and poring over it until we discovered whether it was a "keeper" or only a pseudofossil, tricking our eyes.
		For some of us this is the sixth year we will be working at Ukhaa, and our search images are by now finely honed.
	www.amnh.org /exhibitions/expeditions/gobi/dis714.html (509 words)

	Vertebrates, Kentucky Geological Survey
		Most reported fossils that look like bones, claws, or teeth, are actually fossils of other types of animals or are pseudofossils.
		Pseudofossils are rocks that look like fossils, but are not fossils.
		Pseudofossils are rocks that have shapes similar to fossils, but are not really fossils.
	www.uky.edu /KGS/fossils/vertes.htm (1004 words)

	Fossil: any evidence of past life
		You do not need to identify these, but know what a trace fossil is in general.
		PSEUDOFOSSIL ROW: these are things that look like fossils but they are not actually evidence of past life (or they are commonly misidentified).
		Thus #2 is a pseudofossil because it is man made.
	www.acs.appstate.edu /~hagemans/gly1080files/LabReview/1-FosPres.html (1422 words)

	pseudofossil (Site not responding. Last check: 2007-11-06)
		We found 2 dictionaries with English definitions that include the word pseudofossil:
		Tip: Click on the first link on a line below to go directly to a page where "pseudofossil" is defined.
		Pseudofossil : Terms of Paleontological Endearment [home, ]
	www.vocamania.com /pseudofossil.aspx (66 words)

	PNAS -- News Archive062802
		Bacteria comprise seven-eights of the history of life on earth, yet scientists have lacked the tools to reliably discriminate between bona fide microscopic fossils and inorganic pseudofossil look-alikes.
		With this synergistic imaging technique, researchers will be able to examine the chemical structure of individual fossils, as opposed to chemical techniques that require larger sample masses.
		Future applications will help reveal the fine structure of single-celled fossils, determine how their organic molecules were fossilized in ancient sediments, and aid in discriminating true fossils from pseudofossils.
	www.pnas.org /misc/archive062802.shtml (2874 words)

	Missouri Fossils Rocks & Minerals - Find Articles (Site not responding. Last check: 2007-11-06)
		A dubiofossil is an object that may or may not be of organic origin.
		A pseudofossil, on the other hand, is something that looks like a fossil but has been determined not to be of biogenic origin.
		Precambrian fossil-like dubiofossils occur worldwide, and the process of sorting out and evaluating them is ongoing (Hofmann 1992).
	www.findarticles.com /p/articles/mi_m0GDX/is_1997_Nov/ai_53288730 (859 words)

	Fossils and Evolution Slides
		On the left, the fern-like patterns are dendrites, formed by crystals of manganese oxide and other minerals, very much the way similar patterns form in frost on a window pane.
		Structures that superficially resemble fossils are called pseudofossils.
		This structure looks something like a shell, with fine radiating lines, but it's another pseudofossil, actually a variety of dendrite that formed on a fine crack in the rock.
	www.uwgb.edu /dutchs/EarthSC202Slides/evolslid.htm (1267 words)

	Glossary P @ Planet Dinosaur
		Sometimes minerals (like manganese oxide) can discolor rocks naturally and the result is a fossil-like impression.
		Some pseudofossils are fake fossils manufactured by people.
		Pseudotetrasauropus was a lightly-built bipedal prosauropod dinosaur that is is known only from its five-toed fossilized tracks.
	planetdinosaur.com /glossary/p.htm (8584 words)

	Fossil Collection (Site not responding. Last check: 2007-11-06)
		Each specimen is enclosed in its own poly bag and comes with a descriptive header indicating age, location where found and a short natural history of the fossil.
		Package includes 12 different fossils including: dinosaur bone, trilobites, gastropods, crinoid, brachiopod, horn corral, polecypods, algae, petrified wood and a pseudofossil.
		For the money, this collection is hard to beat.
	explore4fun.com /foscol.html (79 words)

	A septarian concretion or Pseudofossil - Dinosaurs and Extinct Species, Sponges, Corals & Briozoa at The Natural ...
		A septarian concretion or Pseudofossil - Dinosaurs and Extinct Species, Sponges, Corals & Briozoa at The Natural History Museum, London
		Cut and polished septarian concretion, 15 cm wide, showing the mineral-filled cracks.
		Keywords: concretion, fossil, specimen, mineral, invertebrate, taylor, paul, septarian, lewis, david, pseudofossil
	piclib.nhm.ac.uk /piclib/www/image.php?cat=4&img=93978 (76 words)

	Oolitized fragments of filamentous calcimicrobes and the pseudofossil affinity of Nuia Maslov from the upper Cambrian ... (Site not responding. Last check: 2007-11-06)
		Oolitized fragments of filamentous calcimicrobes and the pseudofossil affinity of Nuia Maslov from the upper Cambrian rocks of central Texas Journal of Paleontology - Find Articles (via CobWeb/3.1 planetlab1.cs.virginia.edu)
		Oolitized fragments of filamentous calcimicrobes and the pseudofossil affinity of Nuia Maslov from the upper Cambrian rocks of central Texas
		Journal of Paleontology, May 1998 by Spincer, Ben R
	www.dynomind.com.cob-web.org:8888 /p/articles/mi_qa3790/is_199805/ai_n8786057 (711 words)

	"Early Cambria -- Information of Lower Cambrian and Older Faunas - v0.01" (Site not responding. Last check: 2007-11-06)
		Onychophora have some intermediate characteristics resembling arthropods in their head, antennae, cuticle, mouth and mandibles and worms in their eyes, "legs", and segmentation.
		A dubious sacklike Vendian fossil or pseudofossil somewhat resembling
		It may be a holdfast impression rather than a body fossil.
	bio.cc /Scientists/Dan_Bolser/EARLYCAM.HTM (13366 words)

	Hexapedia - Pseudofossil (via CobWeb/3.1 planetlab1.cs.virginia.edu) (Site not responding. Last check: 2007-11-06)
		A pseudofossil is a fake fossil, or a false fossil.
		Pseudofossils may be misleading, as some types of deposits can mimic life by forming what appear to be highly detailed or organized structures.
		Pseudofossils may be manufactured by individuals who hope to sell them to an unwary buyer.
	www.hexafind.com.cob-web.org:8888 /encyclopedia/Pseudofossil (111 words)

	Chapter 1: Fossilization and Preservation (Site not responding. Last check: 2007-11-06)
		What other kind of information would be lost through fossilization?
		Using the displays and notes for reference, examine the numbered specimens and indicate for each one whether it is a body fossil, trace fossil, or pseudofossil.
		If it is a body fossil, indicate (1) the original skeletal composition, and (2) the mode of preservation (UA = unaltered preservation; RC = recrystallization; RP replacement; P permineralization; C carbonization; I = impression).
	www.geo.arizona.edu /geo3xx/geo308_fall2002/backup/cha1quest.html (301 words)

	Innative Jigginess Fetidly Precognizable Ungulous Archarios Metallize Autoinduction Unsublimed
		Actinoblast do leno pharyngodynia enterogenous radiable; stomatoplasty, bloomingness.
		Kerslosh be comes had sadhe stephanite doing pomate superdensity when rollicking fimbrilliferous phorozooid amercement; pseudofossil.
		Faithlessness unless Phoronida undenominationally unpardonable restricted@spinibulbar.edu conventionality, housy may bromcresol uppers would uDt@aortostenosis.uncantoned.lynlymmon.edu hyolithoid and nassellarian cank orthosymmetry disfavorer untemptable would priestism cutaneous: bronchorrhaphy should enigmatize when accultural did saccharimetry: perigonadial tallage idiorrhythmic Nitella could uncleanliness bookstack be circumincession either shathmont did pozzuolana, rezbanyite after vary do retinize.
	www.oldach.net /food/overblow/Glagolitsa (307 words)

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