Results 31 to 40 of about 18,062 (230)

Spatial and temporal structure of the spider community in the clay semi-desert of western Kazakhstan [PDF]

open access: yes, 2011
The spatial and temporal structure of spider communities was studied in the clay semi-desert of the north-western Caspian Lowland, western Kazakhstan (49°23' N, 46°47' E).
Piterkina, Tatyana V.
core   +2 more sources

FORMATION CONDITIONS OF THE BRONZE AGE METALLURGICAL SLAGS OF THE SOUTH URALS AND KAZAKHSTAN [PDF]

open access: yesМинералогия, 2020
Four main mineralogical types are identified among a wide variety of metallurgical slags from the Bronze Age sites of the South Urals and Kazakhstan: chromite-bearing olivine, sulfide-bearing olivine, glassy sulfide-bearing and pyroxene.
M.N. Ankushev   +2 more
doaj   +1 more source

Millennial slip rate of the Longitudinal Valley fault from river terraces: Implications for convergence across the active suture of eastern Taiwan [PDF]

open access: yes, 2006
The Longitudinal Valley fault is a key element in the active tectonics of Taiwan. It is the principal structure accommodating convergence across one of the two active sutures of the Taiwan orogeny.
Avouac, Jean-Philippe   +4 more
core   +1 more source

MINERAL INCLUSIONS IN PLATINUM GRAINS FROM THE KAZAN PLACER (SOUTH URALS) [PDF]

open access: yesМинералогия, 2020
Platinum grains from the Kazan placer in the South Urals contain inclusions of native metals (gold, osmium group alloys), as well as PGE chalcogenides: sulfides (laurite, erlichmanite, bauite), sulfoarsenides (irarsite and hollingworthite ...
E.V. Zaykova   +2 more
doaj   +1 more source

Convergent flow in a two-layer system and mountain building [PDF]

open access: yes, 2010
With the purpose of modelling the process of mountain building, we investigate the evolution of the ridge produced by the convergent motion of a system consisting of two layers of liquids that differ in density and viscosity to simulate the crust and the
Gratton, Julio, Perazzo, Carlos Alberto
core   +4 more sources

MINERALOGY AND ORE FORMATION CONDITIONS OF THE NAILY GOLD DEPOSIT (SOUTH URALS) [PDF]

open access: yesМинералогия
The paper examines mineralogy of noble metals and ore formation conditions at the Naily gold deposit (South Urals), which is hosted in pyrite-bearing talc-carbonate, chlorite-quartz-carbonate and quartz-carbonate metasomatites after serpentinites and ...
A.D. Smirnitskaya   +5 more
doaj   +1 more source

MINERALOGICAL-PETROGRAPHIC FEATURES OF SYENITIC MIGMATITES OF THE ILMENOGORSKY MIASKITE BLOCK (SOUTH URALS) [PDF]

open access: yesМинералогия, 2019
Syenitic migmatites of the contact of the Ilmenogorsky miaskite block are characterized by high (>500 ppm) contents of REEs, which are mainly hosted in fluorapatite and titanite of the leucosome.
А.B. Nemov   +3 more
doaj   +1 more source

MINERALOGY OF OXIDATION ZONE OF THE VOROVSKAYA YAMA ANCIENT COPPER MINE (SOUTH TRANSURALS) [PDF]

open access: yesМинералогия
The article considers the geological setting and mineralogy of oxidation zone of the Vorovskaya Yama copper occurrence (South Transurals), which was exploited in 17th–16th centuries BC by miners of the Alakul culture.
A.M. Yuminov   +6 more
doaj   +1 more source

Nomenclature adjustments and new syntaxa of the arctic, alpine and oro-Mediterranean vegetation [PDF]

open access: yes, 2015
Proposte sintassonomiche e nomenclaturali per la vegetazione della Tundra alpina. Il capitolo riguardante l'alta quota appenninica è il più corposo e propone il nuovo syntaxon Leontopodio-Elynion a livello di alleanza.
DI PIETRO, ROMEO   +4 more
core   +1 more source

GOLD-SULFIDE MINERALIZATION OF QUARTZ VEINS IN GRANITES OF THE SOUTH SUKHTELYA GOLD OCCURRENCE (SOUTH URALS) [PDF]

open access: yesМинералогия
The paper considers mineralogical and geochemical features of gold-sulfide mineralization of quartz veins in granites of the Katsbakh complex in the South Sukhtelya gold occurrence (South Urals). The sulfide content of quartz veins varies from 1 to 3 vol.
S.I. Bryukhov   +4 more
doaj   +1 more source

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