Apr 1, 1996 · The nomenclature and classification of lamprophyres, lamproites, kimberlites and the kalsilitic, melilitic and leucitic rocks are inadequately defined.
Dec 31, 2007 · This chapter reviews micromechanical mechanisms of deformation and the associated constitutive equations as applied to describing the rheological behavior of rocks, and compares predictions based ...
Читать далееIt is only necessary to use a region of the vector space containing each physically distinct (mis)orientation precisely once. Such a region is known as a fundamental zone [299,76, 310] or an ...
Apr 1, 2007 · The sulfur concentration in silicate melts at sulfide saturation (SCSS) was experimentally investigated in a temperature range from 1150 to 1450 °C and a pressure range from 500 MPa to 1 GPa in a ...
Читать далееJan 25, 2001 · Most island-arc magmatism appears to result from the lowering of the melting point of peridotite within the wedge of mantle above subducting slabs owing to the introduction of fluids from the ...
Читать далееJan 19, 2015 · Magmas enriched in Cu and Au are likely to be the most prospective for magmatic–hydrothermal deposits of these metals. However, the mechanism that leads to the formation of metal-rich mag-mas is ...
Читать далееСторно операция при контролни покупки от НАП При извършване на покупка от или под наблюдението на орган на НАП (контролна покупка) лицето по чл. 3 връща сумата, когато предметът на ...
Читать далееJan 31, 1996 · A total of 145 inclusions, trapped and isolated in Mg-rich olivine phenocrysts (Fo0.87–0.94) from basalts and ultramafic lavas, and representing the most primitive mantle melts known, have been ...
Читать далееJan 6, 2024 · Connect with experts in your field. Join ResearchGate to contact this researcher and connect with your scientific community.
Читать далееSep 1, 2000 · Studies of crystal size distributions (CSD) can reveal much about how rocks solidify and under what conditions. Data from two-dimensional sections can be readily acquired at many different scales ...
Читать далееThe article considers a chemical variation of accessory and ore-forming chrome spinels from the Kraka ultramafic massif at the different scales, from the deposit to the thin section.
Читать далееКазахстан расположит в Евразии и её площадь занимает девятое…
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