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The collision of small microcontinents like Amuria and the large collision between Asia and Gondwana in the Mesozoic and Cenozoic had a major impact on the region. Crustal extension created the Mongolian Plateau, while rifting, crustal thinning, block faulting and basalt eruptions produced terrain very similar to the Basin and Range province in ...

Alkalic basaltic volcanism has occurred throughout Mongolia since the Cretaceous. Early Cenozoic lavas were erupted ~30 Ma, the in the Gobi, southern Mongolia, whereas younger lavas (6 to Ma) were erupted in Hangai, central Mongolia (based on .

Mesozoic alkaline to calcalkaline igneous suites have been wide spread in Central and Eastern Mongolia. The Mesozoic igneous suites passes upwards from alkaline series trachytic rocks and overlain by tuffaceous sediments. Those are intruded by calc alkaline leucocratic granite and latter covered by Late Mesozoic calc alkaline bimodal volcanic rocks.

Diffuse, smallvolume basaltic volcanism has occurred throughout Mongolia for the past 30 My. This region provides an excellent opportunity to study intraplate volcanism because it is clearly on continental crust and far removed from the effects of subductionrelated processes. Although magma has been erupted onto 45 km thick crust, there appears to be very little crustal .

All told, in December, China's Chang'e 5 spacecraft managed to return pounds ( kilograms) of moon rock from a region called Oceanus .

Basalts within this sequence have typical subductionrelated geochemical signatures and moderately fractionated REE patterns, and may be assigned to the highK calcalkaline series (Crane and Kavalieris, 2012). Throughout southern Mongolia, the Sainshandhudag Formation represents a period of slow deposition in a stable environment.

 · The Valley of Lakes is approximately a 500km elongate depression in Central Mongolia, where Eocene to Miocene continental sediments are long known for their outstanding fossil richness. The palaeontological record of this region is an exceptional witness for the evolution of mammalian communities during the Cenozoic global cooling and regional .

The Siberian Traps, which is the most voluminous and probably the largest continental flood basalt province (initiated in the latest Permian, but volcanism continued up to the Middle Triassic; see Ivanov, 2007 for a review), was situated in the backarc setting of the MongoliaOkhotsk and PaleoTethis oceans (see Figure 5 in Ivanov, 2007 based ...

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Two Cenozoic prominent features are spatiotemporally associated in central Mongolia,, the continental basalts and regional uplift, but their genesis and relationship remain unclear. This study presents major and traceelement compositions for olivine phenocrysts and xenocrysts, as well as data of bulkrock geochemistry and SrNdHf isotopes for the host basalts. The .

Basalt is of the family of igneous rocks which means it melts when heated up, as a thermoplastic material. Basalt is volcanic magma which has solidified in the open air. Basalt has always been used for its hardness in road surfacing and in construction as a filling stone. Also after brought to the molten stage, it is molded into construction parts, as for example floor tiles and as internal ...

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Keywords: Cenozoic continental basalts, Central Mongolia, olivine chemistry, pyroxenite, regional uplift Introduction Cenozoic (~30 Ma to present) continental basalts are diffusely distributed in central Asia (Fig. 1) and are dominated by alkaline basalts with subordinate tholeiites and show oceanic island basalt

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Effects of lithospheric contamination can be pronounced, at least chemically and isotopically for continental flood basalts [, Arndt et al., 1993; Carlson et al., 1981]. Finally, magma chambers that serve as intermediate staging zones that feed the flood basalts likely experience periodic or continuous recharge of primitive magma.

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Abstract. Alkalic basaltic volcanism has occurred throughout Mongolia since the Cretaceous. Early Cenozoic lavas were erupted ~30 Ma, the in the Gobi, southern Mongolia, whereas younger lavas (6 to Ma) were erupted in Hangai, central Mongolia (based on new 40Ar/39Ar dating).

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 · Barry, T. L. et al. Petrogenesis of Cenozoic basalts from Mongolia: Evidence for the role of asthenospheric versus metasomatized lithospheric mantle sources. Journal of Petrology 44, 55–91 (2003).

 · The article focuses on brick products, the production of which is based on natural components, such as lime (CaO), quartz sand (SiO2) and water (H2O), and which are created during the process of the socalled hydrothermal treatment. In the production process of the modified brick, basalt components (basalt aggregate, with graining of 2ndash;4 mm, basalt .

 · Basalt is the best material in the stone used in the repair of roads, railways, and airport runways. It has the advantages of wear resistance, low water draft, poor electrical conductivity, strong compression resistance, low crushing value, strong corrosion resistance, and asphalt adhesion and is recognized internationally as the best cornerstone for the .