Results 81 to 90 of about 2,082,070 (319)
Minerals, 2019 Blue sapphire of gem quality was recently discovered in spinel–chlorite–muscovite rock within meta-ultramafites near the Ilmenogorsky alkaline complex in the Ilmen Mountains of the South Urals.
E. Sorokina +9 more
semanticscholar +1 more source
MINERALOGY OF OXIDIZED ORES OF THE BALKANSKOE TUNGSTEN DEPOSIT (SOUTH URALS) [PDF]
МинералогияA relatively high WO3 content, reaching 0.5 wt. %, is determined in two representative samples of brown iron ore, which were taken from a borehole drilled in the oxidation zone probably developed after skarns of the Balkanskoe deposit (Gumbeyka group ...
E.V. Belogub +4 more
doaj +1 more source
Apatite of Alkaline Rocks of the Vishnevogorsky Complex, South Urals [PDF]
МИНЕРАЛОГИЯ (MINERALOGY), 2019 Apatite Ca5(PO4)3(F,Cl,OH) is a widespread accessory mineral of alkaline rocks of the Vishnevye Mountains in the Urals. There are small bodies of carbonatites and micaceous rocks, where apatite is a rock-forming mineral. The rocks mostly contain fuorapatite and, locally, apatite-(CaOH). The Cl-bearing apatite is rare. Apatite is enriched in Na2O (up to
openaire +2 more sources
, 2019 The pace of transmission of domesticated cereals, including millet from China as well as wheat and barley from southwest Asia, throughout the vast pastoralist landscapes of the Eurasian Steppe (ES) is unclear.
Makarewicz, C., Ventresca Miller, A.
core +1 more source
ONTOGENESIS OF CORUNDUM DEPOSITS OF THE RAY-IZ MASSIF, THE POLAR URALS [PDF]
Минералогия, 2019 Ontogenetic studies of a collection of corundum-bearing plagioclasites and glimmtrites from Rubinovy Log occurrence in the Ray-Iz massif, Polar Urals, indicate a magmatic model of formation of mineralization. The main morphological of feature is eutectic
V.A. Popov +3 more
doaj +1 more source
Seed fossil record of Solanaceae revisited
TAXON, Volume 75, Issue 1, Febuary 2026.Abstract The fossil record for Solanaceae has a complex taxonomic history, with many species originally described in the family being subsequently shown to belong in other plant families. In this work, we present an in‐depth analysis of the nightshade seed fossil record, which corresponds to the largest amount of fossil material for the family.
Rocío Deanna +14 more
wiley +1 more source
Assemblages of herb-dwelling spiders (Araneae) of various steppe types in Ukraine and the Central Chernozem region of Russia [PDF]
, 2012 A total of 107 spider species from 15 families were recorded in the herbaceous vegetation of the steppe ecosystems of Ukraine and the Central Chernozem region of Russia. Araneidae, Thomisidae, Salticidae and Theridiidae were the most species-rich.
Polchaninova, Nina Y.
core +2 more sources
A Unique Ore Locality of Polyakovite-(Ce) in the Ilmeny Mountains, South Urals – New Finds
МИНЕРАЛОГИЯ (MINERALOGY), 2020 A large crystal of the rarest mineral polyakovite was discovered in 2019 in the carbonatites-pegmatites of pit № 97 of the Ilmeny Mountains. Bodies of carbonatites, glimmerites, glimmerites-pegmatites and carbonatite-pegmatites are located within a small
V. Popov +2 more
semanticscholar +1 more source
NEW FINDINGS OF RARE MINERALS IN PEGMATITES OF VISHNEVYE MOUNTAINS IN THE SOUTHERN URALS [PDF]
Минералогия, 2019 In addition to previously known 221 minerals, 11 new rare minerals were identified in alkali pegmatites of the Vishnevye Mountains. Yttrialite-(Y)Y2(Si2O7) and huanghoite-(Ce) aCe(CO3 2F were found for the first time in the Urals.
V.I. Popova +6 more
doaj
MINERALS ASSOTIATIONS AND COMPOSITIONAL HETEROGENEITY OF ZIRCON FROM MIASKITE-CARBONATITE COMPLEX OF THE VISHNEVYe MOUNTAINS, SOUTH URALS [PDF]
Минералогия, 2019 In alkaline rocks, pegmatites and carbonatites of the Vishnevye Mountains, zircons co-crystallized with rock-forming silicates (feldspars, nepheline, annite, etc.), as well as with some other minerals (pyrochlore, magnetite, ilmenite, apatite, monazite ...
V.I. Popova, V.A. Popov, V.A. Kotlyarov
doaj +1 more source