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Now showing items 21-40 of 57
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(2002)Three new species of heliolitoid corals, Luvsanilites danzani gen. et sp. nov., Cromyolites abruptus, and Paraheliolites irinae, are described from the stratotype area of the Tsagaan-Bulag Beds (Lower Ludlow; Jinsetu-Ula ...
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(2001)One genus and five species of crinoids (stems) are described: Anthinocrinus admirabilis sp. nov., Miischketowicrintis quinquesulcatus sp. nov., Podoliocrinus eximius sp. nov., Distinctocriims primitivns gen. et sp. nov., ...
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(1996)Oriented samples of the Lower Cambrian Bayan Gol Formation from Salaany Gol, Mongolia, were collected at roughly 5 m stratigraphic intervals for palaeomagnetic analysis. Progressive alternatingfield and thermal demagnetization ...
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(2003)The discreteness or otherwise of major Ordovician and Silurian terranes can be recognised by the shallow-water benthic faunas which lived upon them. Their borders are often indicated by the disposition of progressively ...
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(2003)A major macroevolutionary trend in gastropod larval shell morphology occurred throughout the middle and late Paleozoic. The majority of Ordovician and Silurian gastropods have openly coiled initial whorls; this morphology ...
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(2000)The development history of striate miospores is considered. These miospores appeared first by the end of the Silurian-the beginning of the Devonian. During the existence period of striate miospores that lasted more than ...
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(2004)The contractile stalks of graptoloid zooids are preserved as organic carbon residues in thecae of the middle Llandovery graptoloid graptolites Rastrites geinitzii and Neolagarograptus ? sp. from the Aizpute-41 core, Latvia. ...
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(2001)The Mongol-Okhotsk orogenic belt occupies a pivotal position among the Paleozoic orogenic belts of Central Asia, and at the same time is closely linked to the Mesozoic orogenic belts of the western Pacific framing. Recognition ...
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(2004)Athyrisinine brachiopods from the Upper Silurian of Russia and the Lower–Middle Devonian of China and north Vietnam include over 70 species belonging to Athyrisina and Parathyrisina; generic and subfamilial diagnoses are ...
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(2001)The genus Helioplasmolites is revised and only three species are retained, including Hm. dzharensis sp. nov. from the Wenlockian of Northwest Mongolia; ten of the remaining species are transferred to the genera Diploepora, ...
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(2001)The sculpture of scales and plates of articulated anaspids from the order Birkeniida is described and used to clarify the position of scale taxa previously left in open nomenclature. The dermal skeleton of a well-preserved ...
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(1989)Among volcanic rock associations, the indicators of geodynamic environments, special attention has recently been paid to the boninite association: a series of high-magnesian, low alumina rocks, whose mafic members are close ...
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(2002)The concept of time-dependent eustatic fluctuations has been largely recognized, and a number of eustatic events with magnitudes from 20 to 100 m and durations 1 to 3 m. y. (third-order cycles) have been suggested for the ...
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(2001)A concise characterization of the lithology and stratigraphy of the Eastern Mongolian localities of Silurian Heliolitoidea and the faunal list of Reliolitoids from the Salhitin, Baruun Urt, and Süchbaatar Beds (Upper ...
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(2003)It is widely accepted that major variations of sea-level have occurred in the Phanerozoic. Third-order cycles, 1–10 Ma long with amplitudes of 20–100 m, are of special interest for geochronology and petroleum geology. The ...
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(1998)Principles of stratigraphic regionalizing and chronozonal characteristics of global and regional stratigraphic scale for East Siberia are presented. The stratigraphic regionalizing resulted in recognition of five subregions ...
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(2002)Silurian brachiopods are described from 21 boreholes in Lithuania. Nine genera are recognized and represented by one or two species, including the atrypids Atrypoidea, Cromatrypa, Lissatrypa and Septatrypa, athyridids ...
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(2001)Three hundred twenty one species of graptolites, chitinozoans, acritarchs, cephalopods, trilobites, brachiopods, scolecodonts, conodonts, bryozoans, ostracodes, gastropods, crinoids, tetracorals, tabulates, heliolitids, ...
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(1996)The modern substantiation of the boundaries in the Phanerozoic scale of geologic time is discussed with reference to absolute geochronology. The critical analysis of the isotopic-geochronologic data that form the basis of ...
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(2000)Three stratigraphic type areas (the Moiero River vicinity, Turukhansk and Noril'sk districts), where clayey-carbonate sedimentary facies are widespread, characterize the Silurian of East Siberia. The Moiero River neighborhood ...
Now showing items 21-40 of 57