Browsing by Subject "Palaeozoic"
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Browsing by Subject "Palaeozoic"
Now showing items 1-14 of 14
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(1981)Riphean and Palaeozoic linear graben-like platform depressions — aulacogens —jointly with linear swell uplifts in a platform cover, intraplatform folded zones and Meso-Cenozoic epi-platform rift zones are different ...
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(2001)Analysis of more than 25 000 plant samples, mostly rotted stumps and cones of Scots pine (Pinus sylvestris), has resulted in the discovery of several new types of platinum group metal (PGM) mineralization in weathered ...
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(1996)Chlorine is the most abundant halogen in sedimentary formation waters with concentrations from <100 to >250000 mg/l. Bromine is the second most abundant halogen at <1 mg/l to >6000 mg/l with iodine from <0.1 mg/l to >100 ...
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(2002)The Ural mountains preserve a late Palaeozoic collision that forms a 2500 km suture in the world's largest landmass, Eurasia. Several features of the mountain belt, in particular a well-preserved crustal root, are ...
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(2001)Overpressured zones in the Precaspian Basin occur at depths below 4000 m. The most extensive zone is in the subsalt reservoirs throughout the basin. In spite of the extended literature database on overpressure phenomena, ...
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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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(2002)A new compilation of deep seismic reflection data, in combination with the results of recent geological and isotopic investigations, provides the basis for significantly refined structural and evolutionary models of the ...
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(1997)Chromites forming giant orebodies in the souther part of the Early Palaeozoic ophiolite sequence of the the Kempirsai Massif (Kazakhstan, Urals) contain a large number of inclusions, i.e. silicates, sulphides, alloys, ...
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(1997)We examine the Tunguska Basin evolution by using two lithologic-stratigraphic sections along deep seismic sounding profiles and exploration wells. The tectonic analysis demonstrates that the subsidence of the basin was ...
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(1998)The western Koryak fold and thrust belt consists of a set of tectonostratigraphic terrances that contain units ranging from Lower Palaeozoic to Cenozoic. Three deformational events have been identified in the study area. ...
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(1998)More than 420 million oz of gold were concentrated in circum-Pacific synorogenic quartz lodes mainly during two periods of continental growth, one along the Gondwanan margin in the Palaeozoic and the other in the northern ...
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(1986)Pb, Nd and Sr isotopic compositions are reported for ultrapotassic rocks from a variety of tectonic settings. Olivine leucitites located within the Palaeozoic Lachlan Fold Belt of southeastern Australia have a range in ...
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(1999)The Palaeozoic Uralian orogen formed by accretion of island arcs and microcontinents along the eastern margin of the East European platform. In the middle Urals, a promontory of the East European platform, the Ufaley Complex ...
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(1996)The paper discusses the history of East Gondwana and its relationship with West Gondwana in the period preceding the collision, and with the Prototethys. The relationships between East and West Gondwana and the Prototethys ...
Now showing items 1-14 of 14