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Browsing by Title
Now showing items 16186-16205 of 38997
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(1999)To evaluate how the land carbon reservoir has been acting as a sink to the anthropogenic CO2 input to the atmosphere, it is important to study how plants in natural forests physiologically adjust to the changing atmospheric ...
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(1997)Archaeocyathid fauna renewals are traced in eleven regions by dividing new genera of every chron into three groups: (1) immigrant genera, or colonizers; (2) aboriginal genera; and (3) genera, whose generation areas raise ...
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(2001)A new genus and two new species of the Late Visean to Serpukhovian spiriferids from the superfamily Paeckelmanelloidea - Triangularia tumida (type species) and T. paratriangularis - are described; the description is based ...
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(2000)In siliceous deposits of eastern Russia we can recognize, by means of radiolarians, the following biostratigraphic units: Pseudostylosphaera fragilis Beds (upper Olenekian) and zones of Hosmadia gifuensis (lower Anisian), ...
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(1999)In the Khor River middle courses, the Triassic siliceous formation about 430 m thick represents the transgressive-regressive megacyclothem composed of carbonate-siliceous deposits bearing conodonts of the middle Anisian ...
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(1996)Field investigations and bed-by-bed sampling of ammonoids provide the basis for a more detailed and better constrained biostratigraphic scheme of Triassic deposits in the northern Caucasus. For the first time, these deposits ...
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(Федеральное государственное бюджетное учреждение науки Институт земной коры Сибирского отделения Российской академии наук, 2017)
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(1989)The Triassic of the Timan-Northern Ural region contains analogues of the neorachitome, parotosuchid, and heptasaur faunas, the last fauna presently being not known from other parts of the USSR. However, of the three groups ...
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(2001)The analysis of transgression and regression curves for 13 facies zones of the Triassic successions in Siberia was carried out for the first time. The established ten transgressive-regressive cycles of the 1st and 2nd ...
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(2004)The aim of this paper is to describe the Triassic regional geodynamic framework of the Eastern Fore-Caucasus area from data on volcanics and related sedimentary deposits. These deposits, only known by drilling, represent ...
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(2001)The behaviour of rock deformation and its failure characteristics under loading and unloading conditions are substantially different. In this paper, triaxial unloading tests have been designed to simulate the unloading ...
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(2000)The high abundance with which tricyclic terpenoids have previously been detected in Tasmanite oil shales has led to the strong suspicion that the source of these compounds is the Tasmanites microfossil prevalent in these ...
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(2001)We start giving a brief review on the current discussion of polyamorphism. In particular, the problems of experimentally identifying amorphous–amorphous or liquid–liquid transitions are considered, which are often related ...
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(2003)The exact nature of tripuhyite remains controversial more than 100 years after the first description of the mineral. Different stoichiometries and crystal structures (rutile or tri-rutile types) have been suggested for ...
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(1999)The presence of primary troilite in chondrules requires that nebular temperatures were <650 k (the 50% condensation temperature of s) at the time chondrule formation and that chondrules were molten for periods short enough ...
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(2002)Troughs under threshold analysis has so far found little application in the modeling of minimum streamflows. In this study, all the troughs under a certain threshold level are considered in deriving the probability ...
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(2003)I present a general model for true polar wander (TPW), in the context of supercontinents and simple modes of mantle convection. Old, mantle-stationary supercontinents shield their underlying mesosphere from the cooling ...
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(1999)The apparent polar wander path for the Pangea supercontinent is about 35° long for the interval of 295-205Ma, which means that in that interval Pangea rotated over an angle of 35° with respect to the rotation axis about ...
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(1998)Paleomagnetically determined apparent polar wander (APW) paths should contain components of individual plate motions as well as true polar wander (TPW), the uniform motion of the mantle relative to the spin axis. Quantifying ...
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(2004)Two generations of true triaxial loading (TTAL) apparatuses are presented. First generation apparatuses were intended primarily for true stress state imitation in rock or mineral specimens. Advanced second-generation ...
Now showing items 16186-16205 of 38997