Геология России: Recent submissions

Now showing items 461-480 of 41109

DETERMINING HEAT FLOWS AND RADIOGENIC HEAT GENERATION IN THE CRUST AND LITHOSPHERE BASED ON SEISMIC DATA AND SURFACE HEAT FLOWS

Kronrod V.A.; Kuskov O.L. (2006)

The balance of the Earth’s energy involves the generation of radiogenic, gravitational, chemical, and other types of energy and the heat loss from the Earth’s surface. In the quasi-stationary formulation, heat losses through ...
A CLIMATIC CONTROL ON THE ACCRETION OF METEORIC AND SUPER-CHONDRITIC IRIDIUM-PLATINUM TO THE ANTARCTIC ICE CAP

Gabrielli P.; Cescon P.; Barbante C.; Boutron C.F.; Ferrari C.; Petit J.R.; Plane J.M.C.; Hong S.; Cozzi G.; Crutzen P.J.; Lipenkov V.Y. (2006)

Meteoric smoke particles (MSPs) form through the vaporization of meteoroids and the subsequent re-condensation of metallic species in the mesosphere. Recently, iridium and platinum enrichments have been identified in ...
THE EARLY CRETACEOUS COLLISIONAL GRANITE-LEUCOGRANITE ASSOCIATION OF THE STANOVOI TERRANE: NEW GEOCHRONOLOGICAL, GEOCHEMICAL, AND ISOTOPE-GEOCHEMICAL DATA

Strikha V.E.; Rodionov N.I. (2006)

The granite–leucogranite plutons traditionally recognized as the Irakan Complex are widespread in the Stanovoi Terrane [1]. This plutonic association comprises (I) biotite–hornblende quartz monzodiorite, (II) biotite–hornblende ...
SOLUBILITY OF HYDROGEN AND CARBON IN REDUCED MAGMAS OF THE EARLY EARTH'S MANTLE

Kadik A.A.; Litvin Yu.A.; Koltashev V.V.; Kryukova E.B.; Plotnichenko V.G. (2006)

The solubility of volatile compounds in magmas and the redox state of their mantle source are the main factors that control the transfer of volatile components from the planet's interior to its surface. In theories of the ...
GENESIS OF DAWSONITE MINERALIZATION: THERMODYNAMIC ANALYSIS AND ALTERNATIVES

Ryzhenko B.N. (2006)

Although the mineral dawsonite NaAlCO3(OH)2 is not well known to geologists, dawsonite mineralization is quite widely known and was documented, for example, in the Carpathians, Kuznetsk Basin, Donets Basin, Northern Caucasus, ...
NEW DATA ON SEISMOSTRATIGRAPHY AND SEDIMENTATION ON THE WESTERN SLOPE OF THE MIDDLE CASPIAN

Levchenko O.V.; Merklin L.R.; Gainanov V.G.; Polyakov A.S.; Roslyakov A.G. (2006)

The sedimentary sequence of the Caspian Sea is generally well studied by geological and geophysical methods, particularly multichannel seismic profiling, which was mainly aimed at study of the deep structure of the sedimentary ...
PECULIARITIES IN THE BEHAVIOR OF TRACE AND RARE EARTH ELEMENTS DURING GRANITIZATION AND MIGMATIZATION OF THE ELGAKAN COMPLEX (EAST SIBERIA, NYUKZHA RIVER)

Glebovitsky V.A.; Sedova I.S.; Samorukova L.M. (2006)

The behavior of major elements in the process of Neoarchean amphibolite-facies metamorphism was considered previously for occasionally pyroxene-bearing biotite–amphibole–plagioclase schists and amphibolites, which occur ...
THE CAMBRIAN BALTICA-ARCTIDA COLLISION, PRE-URALIDE-TIMANIDE OROGEN, AND ITS EROSION PRODUCTS IN THE ARCTIC

Kuznetsov N.B. (2006)

Researchers have obtained in the last decade a considerable amount of new data on various aspects of the geological setting of high-latitude regions of the Arctic and northern regions of Russia. These data have made it ...
BASIC MAGMATISM IN THE GEOLOGICAL HISTORY OF THE ELBRUS NEOVOLCANIC AREA, GREATER CAUCASUS: EVIDENCE FROM K-AR AND SR-ND ISOTOPE DATA

Lebedev V.A.; Bubnov S.N.; Chernyshev I.V.; Gol'tsman Yu.V. (2006)

The age and genesis of basic rocks in the magmatic evolutionary series are of principal significance for regions with predominant acid, mainly crustal volcanism. The appearance of basic volcanic rocks in the rhyolite–dacite ...
HYDROGEN DEGASSING OF THE EARTH AND OZONE ANOMALIES

Adushkin V.V.; Kudryavtsev V.P.; Khazins V.M. (2006)

The objective of this work is to estimate the reaction of the ozone layer to the increase in molecular hydrogen concentration in the stratosphere. The performed investigations into characteristics of the ozone anomaly, ...
SYMMETRY OF LATE PLEISTOCENE GLACIAL CYCLES IN RECORDS OF THE ANTARCTIC VOSTOK AND DOME C STATIONS

Vakulenko N.V.; Kotlyakov V.M.; Monin A.S.; Sonechkin D.M. (2006)

The present work compares deuterium records (proxy of the surface air temperature) from the Vostok and Dome C stations. We detected some symmetry in the shapes of Late Pleistocene glacial cycles, relative to the warming ...
PROVENANCE AND SOURCE OF METATERRIGENOUS ROCKS OF THE LADOGA GROUP: RESULTS OF GEOCHEMICAL AND SM-ND ISOTOPE-GEOCHEMICAL STUDY

Kotova L.N.; Glebovitsky V.A.; Kotov A.B.; Podkovyrov V.N.; Savatenkov V.M. (2006)

The Ladoga Group makes up a significant part of the northern Ladoga region. This group represents the Kalevian stratotype of the Karelian region and is considered an analogue of the Kalevian terrigenous rocks of Finland. ...
A THERMAL TOMOGRAPHY MODEL OF THE PODVODNIKOV BASINS, NORTHERN ARCTIC

Khutorskoi M.D.; Podgornykh L.V.; Leonov Yu.G.; Pavlenkin A.D. (2006)

In our works of 2000–2004, we demonstrated the correlation of temperature anomalies with petroleum potential of the Earth’s interior in the Pechora Basin (Barents Sea), South Kara basin, and southern Laptev Sea. We went ...
CADMIUM AND ZINC IN NAMIBIAN SHELF PHOSPHORITES

Baturin G.N. (2006)

We studied recent phosphorite nodules and micronodules of different grades of lithification, phosphatized coprolites of sea lions, and enclosing diatom oozes. Pliocene–Pleistocene phosphate samples include phosphorite ...
RIPHEAN RIFTOGENIC OPHIOLITES AND CONJUGATED MINERAGENY OF THE SOUTHERN URALS

Koroteev V.A.; Ogorodnikov V.N.; Sazonov V.N.; Polenov Yu.A. (2006)

The initial Early Riphean geodynamic environment of the Southern Urals and adjacent regions of the East European Platform was governed by the formation of a specific uplift of the Archean–Early Proterozoic crystalline ...
NEW DATA ON THE GEOLOGICAL STRUCTURE OF THE JUNCTION BETWEEN THE CAPE VERDE SEAMOUNT AND THE CAPE VERDE BASIN, CENTRAL ATLANTIC

Skolotnev S.G.; Peive A.A.; Turko N.N.; Tsukanov N.V.; Golovina L.A.; Efimov V.N.; Eskin A.E.; Lavrushin Yu.V.; Petrova V.V.; Chaplygina N.L. (2006)

The regions of conjugation of continental rise with abyssal oceanic basins at the margins of the Atlantic — a transitional zone between continental and oceanic lithospheres—are still poorly studied in geological terms. In ...
ENDOGENOUS FACTORS OF THE FORMATION OF OIL FIELDS IN THE CRYSTALLINE BASEMENT OF THE CUU LONG BASIN, SOUTH VIETNAM SHELF

Dontsov V.V.; Lukin A.E. (2006)

The study of formation constraints of oil-and-gas (hereafter, petroleum) fields in the Precambrian–Mesozoic basement rocks of sedimentary basins or crystalline basement is of special importance in determining the regularities ...
TECTONIC POSITION OF THE ALSHAR AU-AS-SB-TL DEPOSIT, MACEDONIA

Kochneva N.T.; Volkov A.V.; Serafimovski T.; Tasev G.; Tomson I.N. (2006)

The territory of Macedonia experienced long-term geological evolution. Its majority is occupied by the Serbian–Macedonian and Pelagonia crystalline massifs, separated by the Mesozoic Vardarian riftogenic graben. Macedonia ...
DIFFERENT-DEPTH XENOLITHS FROM DEVONIAN INTRUSIONS OF THE KOLA PENINSULA: KEY TO DECIPHERING PALEOGEODYNAMIC SETTINGS OF ALKALINE MAGMATISM

Baluev A.S.; Terekhov E.N. (2006)

One of the puzzles of intraplate alkaline magmatism is its spatial confinement to extensional structures (rifts), whereas manifestations of magmatism (massifs, diatremes, and dikes) are found in the areas characterized by ...
ROLE OF STRIKE-SLIP FAULTING OF THE OCEANIC LITHOSPHERE IN THE FORMATION OF PACIFIC VOLCANIC BELTS

Utkin V.P. (2006)

The Pacific volcanic belts that extend over thousands of kilometers are formed on abyssal plates above the deep linear fault systems. Linearity is primarily typical of the deep strike-slip faults. The crucial role of ...

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