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Topic: Anisian

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	Anisian - Wikipedia, the free encyclopedia
		In the geologic timescale, the Anisian is the age of the Middle Triassic epoch of the Triassic period of the Mesozoic era of the Fanerozoic eon that is comprehended between 245 million and 237 million years ago, approximately.
		The Anisian age succeeds the Olenekian age of the Lower Triassic epoch of its own period and precedes the Ladinian age of the Middle Triassic epoch.
		The earliest dinosaurs to date have been found in rock dating from the Anisian Age.
	en.wikipedia.org /wiki/Anisian (111 words)

	Quarrying and Karst EN (Site not responding. Last check: 2007-10-04)
		The spring issues from lower Anisian dolomite at the bottom of Nyavalyas slope in the southern side of Garadna valley, in the proximity of the northwest corner of proposed quarry site, which commences immediately west of the entrance to Tekenős valley.
		Tracer tests indicate that Margit spring is not connected hydrologically to the area of extensive limestone of upper Anisian age situated further south of the proposed mining area.
		Six tracer tests have outlined the catchments within the area of upper Anisian limestone formation of the Bukk Greater Plateau, which provides the bulk yield of the spring.
	65.98.85.78 /szardoka_dolomite_EN.htm (1780 words)

	Abstracts, Workshop on Permian - Triassic Palaeobotany and Palynology, Bolzano, June 16-18, 2005
		During the Anisian Central Europe was part of the NW Tethys shelf area and its N Peri-Tethyan Basin.
		The Anisian Flora from Kühwiesenkopf is rather rich in specimens and contains a number of landplant taxa belonging to the Lycophyta, Sphenophyta, Pteridophyta, Pteridospermae, Cycadophyta and Coniferophyta (e.g.
		Anisian Reifling and Partnach beds are dated by the marker species Stellapollenites thiergartii (Mädler 1964) Clement-Westerhof et al.
	www.mineralogie.uni-wuerzburg.de /p_tr_bolzano_2005/abstracts.html (5720 words)

	Palaeos Mesozoic : Triassic : Olenekian
		the Olenekian - Anisian boundary, is characterized by conodont zonation: the last occurrence of Neospathodus homeri and N.
		Another indicator is a magnetostratigraphic shift from reversing polarity in the Late Olenekian to a long normal zone in the Early Anisian.
		For example, East Asian radiolarian protists also show an extinction at the end-Permian, a depauperate population until the Late Olenekian, a Late Olenekian transitional community, and a characteristic Mesozoic community at the beginning of the Anisian.
	www.palaeos.com /Mesozoic/Triassic/Olenekian.html (950 words)

	alb21-3
		DORASHAMIAN, INDUAN, OLENEKIAN, ANISIAN, LADINIAN, CARNIAN, NORIAN AND RHAETIAN CARBONATES OF RUSSIA:
		Abundance and high taxonomic diversity of the Albaillellaria from lower Dorashamian cherts of the Pantovyj and Skalistyj Creek basins and Amba Mount area (Sikhote-Alin) and from conteporaneous flyschoid strata of the Orel Mount area (South Primorye) seem to be caused by optimal temperature conditions.
		It is possible that appearance of the polysegmental Nassellaria was related to the Anisian warmth and transgression, although the spherical Spumellaria, as was recently recognized in North Caucasus (Kapustina and Svinyach'ya Ravine, Mamryuk, Rufabgo) and South Primorye (Abrek Bay), was a dominant group among the microfossils in both Induan-Olenekian strata and during the Olenekian-Anisian transition.
	www.biologie.uni-hamburg.de /b-online/kerp/Albart13.htm (827 words)

	Bleiberg
		Anisian Pb-Zn deposits in the Alps are characterized by a stronger variation of their mineralogical and geochemical characteristics than the Carnian deposits.
		Only a few deposits of Anisian stage have been mined in the past for any length of time, e.g.
		Outside of the Bleiberg mine, uneconomic stratifom ore occurs in Anisian stage (240–235 Ma) in the same mountain range.
	www.gl.rhul.ac.uk /geode/basins/Bleiberg.html (649 words)

	Pelagonian margins in central Evia island (Greece)
		The collision did not create major topographic reliefs and the sedimentation remained marine in most areas, except for the Talea Ori and Trypali units where a regional (Schytian to Norian) unconformity is observed.
		The Paleotethys slab detachment could be synchronous with the collision and it may be the cause for the widespread alkaline volcanism that occurred from Anisian to Carnian in the Internal Hellenides.
		At the northern margin of Pelagonia the passive margin evolution was well recorded by the sedimentary sequence found in Evia, Hydra and the Maliac-Othrys units.
	www-sst.unil.ch /research/plate_tecto/debono_main.htm (1706 words)

	Biostratigraphy and sequence stratigraphy of the Lower and Middle Triassic deposits from the Svalis Dome, central ...
		Ammonoids restricted to the arkhipovi and evolutus zones date the assemblage as early Anisian.
		Svalis-7 is dated by ammonoids related to the late Anisian laqueatus Zone.
		The assemblage is recovered from the youngest part of Steinkobbe Formation, a unit which is interpreted as comprising the upper Anisian T-R sequence and the Ladinian transgressive systems tract above it.
	palynology.geoscienceworld.org /cgi/content/short/22/1/89 (508 words)

	[No title]
		The Middle Anisian Lofer cyclic platform carbonates are overlain by reddish, grey ammonitic/crinoidal volcaniclastic limestone.
		The Upper Ladinian sequence consists of silicified thickly bedded limestone with tuff layers, and with alternations of tuff, marl and thinly bedded limestone (“posidonia beds”).
		In Hungary the Upper Anisian to Lower Ladinian volcanics are thick while they are of subordinate in the Upper Ladinian.
	iavcei2004.free.cl /abstracts/Budai_ibxgbhffgsrpiophnsam.doc (429 words)

	Base of Ladinian Stratotype (Site not responding. Last check: 2007-10-04)
		Secondary global markers in the uppermost Anisian include the lowest occurrence of conodont Neogondolella praehungarica and a brief normal-polarity magnetic zone recognized in closely correlated sections.
		The GSSP level is bracketed by U-Pb single zircon age data from volcaniclastic horizons, indicating a boundary age of ca.
		The Anisian — Ladinian Boundary is defined by the first appearance of the ammonoid genus Eoprotrachyceras, i.e.
	www.stratigraphy.org /ladinian.htm (489 words)

	POINT OF VIEW: Reinterpreting Mir Anis -DAWN Magazine; January 12, 2003
		In Anisian circles, he is chiefly known for his English translation of the famous marsiya, Jab qata ki musafat-i-shab aftab nai.
		However, there is a feeling in Anisian circles that the Urdu literary world has not been fair to Anis.
		Of course, there is a grain of truth in the sense of injustice on the part of Anisian circles.
	www.dawn.com /weekly/dmag/archive/030112/dmag17.htm (942 words)

	Geologia al sud delle alpi - Geologia Insubrica
		The middle triassic (anisian) conglomerates from capo San Martino, south of Lugano-Paradiso (Southern Alps, Switzerland)
		Located along the western shore of lake Lugano, to the S of Lugano-Paradiso, this stratigraphic section, composed mainly of conglomerates (San Martino conglomerates), was formerly attributed to the Servino-Verrucano series of Permian-Early Triassic age.
		The Upper Anisian age from the base of the conglomerates suggests that the fluvio-deltaic sequence has been deposited during a very short time.
	www.geologia-insubrica.com /contr971.htm (1620 words)

	Sequence Stratigraphy, Anisian, Central Southern Alps, Dolomites
		Geological setting: In the middle Triassic, the central Southern Alps (Dolomites) were situated on the broad continental shelf at the margin of the northwestern Tethys.
		It is the intervening time interval of the early middle Triassic (Anisian), when the fundamental changes in basin architecture were initiated and finally established.
		Facies and sequence stratigraphy: The Anisian basin fill can be subdivided into five 3rd order sequences (An 1-An 5), with different lateral extensions and thickness distributions in the basin.
	www.uni-heidelberg.de /institute/fak12/geol/sediment/zuehlke/respro/seqanis/detail/01.html (481 words)

	Evelyn Kustatscher (Site not responding. Last check: 2007-10-04)
		Palynomorph analysis from the upper Anisian (Middle Triassic) of the Dolomites (Italy): new biostratigraphic and palaeoclimatic data.
		An enigmatic Anisian (lower Middle Triassic) pollen organ with in situ microspores from the Kühwiesenkopf in the Dolomites, Italy.
		An enigmatic Anisian (Lower Middle Triassic) strobilus with in situ microspores from Kühwiesenkopf, the Dolomites, Italy.
	www.geodolomiti.net /evelynen.html (840 words)

	Devon, Triassic magnetostratigraphy
		The 242m of the SSG is mostly composed of stacked fluvial channel sandstones.
		The biostratigraphic age of the succession is constrained by a Rhaetian age for the top-most MMG, an upper Carnian age (Tuvalian) for the Arden Sandstone Formation within the middle of the MMG, and an Anisian age for the Otter Sandstone Formation of the SSG.
		The magnetostratigraphy from the lower part of the SSG indicates the interval across the Olenekian/Anisian boundary is preserved above a major palaeosol.
	geography.lancs.ac.uk /cemp/publications/02Hounslow&M&G&J_abs.htm (441 words)

	Triassic - Wikipedia, the free encyclopedia
		Archosauromorph reptiles – especially archosaurs – progressively replaced the synapsids that had dominated the Permian.
		Although Cynognathus was a characteristic top predator in earlier Triassic (Olenekian and Anisian) Gondwana, and both Kannemeyeriid dicynodonts and gomphodont cynodonts remained important herbivores during much of the period, by the end of the Triassic, synapsids played only bit parts.
		During the Carnian (early part of the Late Triassic), some advanced cynodont gave rise to the first mammals.
	en.wikipedia.org /wiki/Triassic (1736 words)

	Conodont Papers -K
		Stratigraphic and paleobiogeographic importance of the latest Olenekian and early Anisian conchostracans of middle Europe.
		The age of red radiolarites from the Meliaticum of Bohúnovo (Slovakia) and remarks to the Anisian-Ladinian boundary.
		Anisian to middle Carnian radiolarian zonation and description of some stratigraphically important radiolarians.
	www.le.ac.uk /geology/map2/pander/pander96/kpapers.html (964 words)

	CONTROLS ON THE INITIATION AND GROWTH OF A MIDDLE TRIASSIC (ANISIAN) REEF COMPLEX ON THE GREAT BANK OF GUIZHOU, GUIZHOU ...
		The oldest comparable reefs known from western Tethys are Bithynian-Pelsonian (Anisian).
		Rather, reef development resulted largely from the stabilization and cementation of platform margin sediments by algae and associated microbial mats indicating a decoupling of the return of cemented reefs on platform margins from the recovery of framework-building metazoans following the end-Permian extinction.
		The importance of Tubiphytes framework in Anisian reefs may reflect a physiological adjustment of algae and microbial communities to environmental change more rapid than the evolutionary response of metazoans.
	gsa.confex.com /gsa/2005AM/finalprogram/abstract_93591.htm (521 words)

	ASRG Research Achievements - Triassic Projects
		The siltier interval of the uppermost Doig Formation is eroded away by higher energy depositional processes during Halfway Formation depositional time and the Doig sandstone is directly overlain by the Halfway sandstone.
		constricta in the Halfway Formation at 1703 m in well 00/10-18-079-12W6 indicates an uppermost Anisian to Early Ladinian age which is a relatively old age for the unit.
		This finding raises a question as to whether the Doig and Halfway formations should be considered as two different formations or are they simply a series of diachronous facies terms.
	www.geo.ucalgary.ca /asrg/Activities/Previous/Triassic/Bazlur/Triassic_Bazlur.htm (955 words)

	Placodonts
		Rieppel and Zanon (1997) note that Saurosphargis voltzi, an incomplete postcranial skeleton from the Lower Anisian of Poland described by von Huene in 1936 (and destroyed in WWII), recalled Paraplacodus in its rib morphology and may thus have been a close relative.
		Placodus Agassiz, 1833 is one of the best known and most common of all placodonts and many species have been named, all from the Lower and Upper Muschelkalk (Anisian-Ladinian) of the Germanic Triassic.
		Helveticosaurus zollingeri from the Anisian of Switzerland was described by Peyer
	www.oceansofkansas.com /placodnt.html (3815 words)

	MIDDLE TRIASSIC PTERIOMORPHIAN BIVALVIA (MOLLUSCA) FROM THE NEW PASS RANGE, WEST-CENTRAL NEVADA: SYSTEMATICS, ... (Site not responding. Last check: 2007-10-04)
		So-called Tethyan and Muschelkalk species are endemics in slowly evolving genera or are phylogenetically convergent on west Tethyan species.
		FOSSILIFEROUS MARINE Middle and Upper Triassic (Anisian to Carnian) rocks exposed in South Canyon, New Pass Range, west-central Nevada (Fig.
		In seeking to understand the biogeographic significance of the coral-associated bivalves, however, we have also collected from the interval spanning from near the base of the section (middle Anisian) to the level of a lens of ammonoids and large bivalves (late Ladinian) about 20 m stratigraphically above the coral beds.
	www.findarticles.com /p/articles/mi_qa3790/is_200501/ai_n9468229 (786 words)

	alb21-3
		Notably, it was successfully used for estimating the biochronological dating error (Pálfy et al., 1997) and was demonstrated to closely reproduce the ammonite zonation developed by traditional methods (Dommergues and Meister, 1987).
		We considered all published references that deal with Anisian and Ladinian (Trinodosus to Curionii zones) ammonoid faunas of the Southern Alps and Balaton Highland, and provide raw distribution data from measured stratigraphic sections.
		Priority was given to sections with continuous ammonoid record spanning several zones, preferably with abundant and diverse faunas that are taxonomically well-documented.
	www.biologie.uni-hamburg.de /b-online/kerp/Albart2.htm (2852 words)

	The Triassic Period (Site not responding. Last check: 2007-10-04)
		Dominated by Rhynchosaurs, and mammal like reptiles, dinosaurs were only modestly sized, and lived mostly in environments not suitable for the dominant species.
		The Flora and Fauna was similar to the Anisian, with rhyncosaurs becoming the dominant herbivore, it also saw the rise of large thecodont carnivores
		The Flora of the time was dominated by the seed fern Dicroidium.
	palaeo.gly.bris.ac.uk /palaeofiles/triassic/triassic.htm (122 words)

	The Paleobiology Database
		According to palaeontological data, the latter two members are assigned to the upper Anisian, whereas the other three are regarded as lower Anisian in age.
		Lithology description: The Leidpo Member discussed in this paper, occupying the lower part of the upper Anisian, is about 200m thick and consists of mudstones, shales and marls.
		Middle Triassic (Anisian) diversified bivavles: depositional environments and bivalve assemblages in the Leidapo Member of the Qingyan Formation, southern China.
	paleodb.org /cgi-bin/bridge.pl?action=displayCollectionDetails&collection_no=42377 (250 words)

	IngentaConnect NEW MYSIDIELLIDAE (BIVALVIA) FROM THE ANISIAN (MIDDLE TRIASSIC) O... (Site not responding. Last check: 2007-10-04)
		NEW MYSIDIELLIDAE (BIVALVIA) FROM THE ANISIAN (MIDDLE TRIASSIC) OF QINGYAN, SOUTH-WEST CHINA
		Three new genera including four new species of the bivalve family Mysidiellidae are described from late middle to early late Anisian (Middle Triassic) deposits of Qingyan, Guizhou Province, south-west China.
		You will be able to remove this item from your shopping cart at any time before you have completed check-out.
	www.ingentaconnect.com /content/bpl/pala/2006/00000049/00000001/art00013 (205 words)

	Rhynchosauroides
		Rynhcosauroides tirolicus (Abel, 1926) is the first ichnite of Triassic tetrapods known from the South-eastern Alps.
		The recent discovery of new tracks and trackways also permits, for the first time, the documentation of trackway pattern and to calculate the dimensions and possible functional dynamics of the author of this form which appears peculiar to the upper Anisian deposits of the Southern Alps.
		: Upper Voltago Conglomerate, Richthofen Conglomerate and Morbiac Dark Limestone, Anisian (late Pelsonian - Illyrian).
	dipbsf.uninsubria.it /paleo/rhynchosauroides.htm (2408 words)

	Middle Triassic Ammonoid Fossils From Nevada (Site not responding. Last check: 2007-10-04)
		The fossils imaged here came an isolated outcrop of the Middle Triassic Prida Formation in Nevada on Public Lands (at least at the last time of collecting the site resided on Bureau of Land Management-administered Public Lands).
		As a matter of fact, the specific Prida Formation site referred to here yields one of the most complete middle Triassic ammonoid successions in the world; and many cephalopod specialists and paleontologists, in general, consider it the single best Middle Triassic, late Anisian Stage (roughly 235 million years old) ammonoid locality in existence.
		Literally tons of ammonoid-bearing limestones have been removed from the site since its discovery by silver miners in the latter half of the 1800s; that well-preserved, identifiable fossils still occur there, after such concerted searching by hordes of avid ammonoid enthusiasts over many decades, is somewhat of a miracle.
	members.aol.com /Waucoba7/ammonoids/ammonoids.html (712 words)

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