Results 321 to 330 of about 2,570,265 (397)
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Mineralogical magazine, 2019
Aleutite, ideally [Cu5O2](AsO4)(VO4)·(Cu0.5□0.5)Cl, was found in the Yadovitaya fumarole of the Second scoria cone of the Great Fissure Tolbachik eruption, Kamchatka Peninsula, Russia.
O. Siidra +3 more
semanticscholar +1 more source
Aleutite, ideally [Cu5O2](AsO4)(VO4)·(Cu0.5□0.5)Cl, was found in the Yadovitaya fumarole of the Second scoria cone of the Great Fissure Tolbachik eruption, Kamchatka Peninsula, Russia.
O. Siidra +3 more
semanticscholar +1 more source
Mineral inclusions in Brazilian diamonds
Physics and Chemistry of the Earth, 1975Abstract Minerals included in diamonds from several localities in Brazil have been examined. The minerals observed are olivine, enstatite, chrome-pyrope and pyrope-almandine. These minerals have similar compositions to those previously reported for inclusions from other worldwide localities. In addition rutile, ilmenite, zircon, quartz and pyrrhotite
Henry O.A. Meyer, Darcy P. Svisero
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2020
Fluid inclusions are minute samples of fluids trapped in mineral cavities, which are generally smaller than 100 µm in diameter. Fluid inclusions in the mm-range are rather rare. The fluids were trapped during the growth or recrystallisation of the host mineral at a certain event in the geological history of the host rock.
Martin Okrusch, Hartwig E. Frimmel
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Fluid inclusions are minute samples of fluids trapped in mineral cavities, which are generally smaller than 100 µm in diameter. Fluid inclusions in the mm-range are rather rare. The fluids were trapped during the growth or recrystallisation of the host mineral at a certain event in the geological history of the host rock.
Martin Okrusch, Hartwig E. Frimmel
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P–V–T relationships and mineral equilibria in inclusions in minerals
Earth and Planetary Science Letters, 2006Abstract When a mineral is included in another, the pressure on the two is the same. As pressure and temperature then change, the pressure on the inclusion is likely to become increasingly different to the pressure on its host as a consequence of the two minerals having different equations of state (i.e.
Michel Guiraud, Roger Powell
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, 2016
Mineral thermometry and fluid inclusion studies were conducted on variably altered and mineralized samples from the Mesoproterozoic Pea Ridge iron oxide-apatite (IOA)-rare earth element (REE) deposit in order to constrain P-T conditions, fluid chemistry,
A. Hofstra +7 more
semanticscholar +1 more source
Mineral thermometry and fluid inclusion studies were conducted on variably altered and mineralized samples from the Mesoproterozoic Pea Ridge iron oxide-apatite (IOA)-rare earth element (REE) deposit in order to constrain P-T conditions, fluid chemistry,
A. Hofstra +7 more
semanticscholar +1 more source
A LINEAR MODEL AND TOPOLOGY FOR THE HOST–INCLUSION MINERAL SYSTEM INVOLVING DIAMOND
, 2005A linear model of internal pressure for the host‐inclusion system has been developed for diamond and a test selection of thirty minerals (excluding sulfides).
L. Barron
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Mineral Inclusions in Diamond: Temperature and Pressure of Equilibration
Science, 1976Two distinct suites of minerals included in natural diamond occur and probably represent different physical and chemical conditions during diamond growth. Minerals of the ultramafic suite appear to have equilibrated in the range 1000° to 1300°C between 45 and 65 kilobars, whereas the temperature range for minerals of the eclogitic suite is 850° to 1250°
Hsiao-Ming Tsai, Henry O.A. Meyer
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Elements of Eoarchean life trapped in mineral inclusions
Nature, 2017Metasedimentary rocks from Isua, West Greenland (over 3,700 million years old) contain 13C-depleted carbonaceous compounds, with isotopic ratios that are compatible with a biogenic origin. Metamorphic garnet crystals in these rocks contain trails of carbonaceous inclusions that are contiguous with carbon-rich sedimentary beds in the host rock, where ...
Hassenkam, Tue +4 more
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, 2013
We developed a micro-Raman and photoluminescence imaging technique for visualizing the internal stress fields in a sapphire crystal. The technique was applied to an Australian sapphire gemstone with a zircon inclusion.
N. Noguchi +5 more
semanticscholar +1 more source
We developed a micro-Raman and photoluminescence imaging technique for visualizing the internal stress fields in a sapphire crystal. The technique was applied to an Australian sapphire gemstone with a zircon inclusion.
N. Noguchi +5 more
semanticscholar +1 more source
Journal of animal physiology and animal nutrition, 2011
Growth response, nutrient and mineral retention, bone mineral content and walking ability of broiler chicken fed dietary inclusion of various unconventional calcium sources were studied using 160-day-old broilers.
A. Oso, A. Idowu, O. T. Niameh
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Growth response, nutrient and mineral retention, bone mineral content and walking ability of broiler chicken fed dietary inclusion of various unconventional calcium sources were studied using 160-day-old broilers.
A. Oso, A. Idowu, O. T. Niameh
semanticscholar +1 more source