Results 21 to 30 of about 208,716 (378)
PARADIGMS AND DIRECTIONS OF MINERALOGY [PDF]
Минералогия, 2015 The article contains comments and additions to V.A. Popov's article "On the Essence of the Mineral World and the Paradigms of Mineralogy" (Mineralogy. 2015. No. 1. Pp. 6-12).
O.K. Ivanov
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SOME THEORETICAL PROBLEMS OF MINERALOGY [PDF]
Минералогия, 2015 The old fundamental problems of mineralogy (mineral species, system of mineralogy and phylogeny of mineralogy definitions) are briefly considered in the paper. The understanding of mineral species as a mineral series by J.D.
Yu.L. Voytekhovsky
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FAHLORES IN PALEOZOIC VENT CHIMNEYS FROM THE URALS AND RUDNY ALTAI VOLCANOGENIC MASSIVE SULFIDE DEPOSITS [PDF]
Минералогия, 2015 Tennantite, tetrahedrite-tennantite, tetrahedrite and their Ag-, Bi-, Hg-, and Te-containing fahlore varieties including pure end-member of goldfieldite occur in mid-temperature galena-sphalerite, quartz-marcasite and quartz-chalcopyrite zones of vent ...
V.V. Maslennikov +7 more
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COMPOSITION AND MORPHOLOGY OF CRYSTALS OF PLATINUM GROUP MINERALS FROM PLACERS OF THE SOUTH URALS [PDF]
Минералогия, 2017 Crystals of platinum group minerals (PGMs) of the Os–Ir–Ru and Pt–Fe systems from placer deposits of the South Urals are zonal and relatively homogenous in composition and can contain inclusions of PGE sulfides, arsenides, sulfarsenides, and antimonides.
V.V. Zaykov +4 more
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Mineralogy at the extremes [PDF]
Nature, 2008 The discovery of a new silicate structure at conditions corresponding to a depth of 2,700 kilometres below Earth's surface has fundamentally changed our understanding of the boundary between the core and mantle.
openaire +3 more sources
INTERGROWTHS OF PLATINUM GROUP MINERALS FROM THE MIASS PLACER ZONE (SOUTH URALS) AND THEIR PRIMARY SOURCES [PDF]
Минералогия, 2016 Twenty four platinum group minerals (PGMs) were found in the Kialim and Maly Iremel gold placers of the Miass placer zone, South Urals. Rhodarsenite, bowieite, cuprorhodiste, and xingzhongite(?) were found in the Urals for the first time.
V.V. Zaykov +4 more
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CLINTONITE CА(MG, AL, FE)3 [AL3 SIO10](OH)2 FROM THE ILMENO -VISHNEVOGORSKY COMPLEX OF THE SOUTH URALS [PDF]
Минералогия, 2015 Clintonite is a rare type of brittle mica (calcium analogue of phlogopite). Its new find in Urals is described. Clintonite is a part of garnet clinopyroxenite, composing a block-inclusion in a serpentinite melange.
V.G. Korinevsky +4 more
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MAGNESIOHÖGBOMITE (MG,FE2+,ZN)8 (AL,TI,FE3+)20O38(OH)2 FROM ILMENOGORSKY-VISHNEVOGORSKY COMPLEX [PDF]
Минералогия, 2016 Rare mineral magnesiohögbomite was found in spinel-sapphirine hornblendites and titanomagnetite clinopyroxenites, which compose the large blocks in tectonic sheets of serpentinites among gneisses of the Kyshtym sequence (Ilmenogosrky-Vyshnevogorsky ...
V.G. Korinevsky +4 more
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