DOSEN PROFIL LENGKAP

solid solution becomes unstable—due to a lower temperature, for example—exsolution occurs and the two phases separate into distinct microscopic to megascopic...

the lowest. Perthite is a typical texture in alkali feldspar, due to exsolution of contrasting alkali feldspar compositions during cooling of an intermediate...

resulting exsolution results in very fine lamellar and other intergrowths, normally detected only by sophisticated means. However, exsolution in the andesine...

albite layers. More technically, this micro-structure consists of regular exsolution layers (lamellae) of different alkali feldspars (orthoclase and sodium-rich...

and by Bøggild (1924). The cause of this optical phenomenon is phase exsolution lamellar structure, occurring in the Bøggild miscibility gap. The effect...

Graphic texture is commonly created by exsolution and devitrification and immiscibility processes in igneous rocks. It is called 'graphic' because the...

along twin composition planes, or along planes of weakness due to the exsolution of another mineral. Parting breaks are very similar in appearance to cleavage...

a volcanic eruption. Generally, explosive cryovolcanism is driven by exsolution of volatiles that were previously dissolved into the cryomagma, similar...

the meteoric iron has a certain nickel concentration that leads to the exsolution of kamacite out of taenite while cooling. Octahedrites derive their name...

is the exsolution of gas. When heating hard water on the stove, these gas bubbles form on the surface of the pan prior to boiling. Gas exsolution can also...

consists of inclusions that are the result of crystallographically oriented exsolution crystals within the feldspar crystal. Sunstone refers to its physical...

Retrieved 14 September 2007. Hofmeister, A.M.; Rossman, G.R. (1985). "Exsolution of metallic copper from Lake County labradorite". Geology. 13: 644–647...

melt through a process known as exsolution. Magma with low water content becomes increasingly viscous. If massive exsolution occurs when magma heads upwards...

equal proportions the result is a mesoperthite. The intergrowth forms by exsolution due to cooling of a grain of alkali feldspar with a composition intermediate...

slowly cooling within the earth, sodium-rich albite lamellae form by exsolution, enriching the remaining orthoclase with potassium. The resulting intergrowth...

It consists of two amphiboles, gedrite and anthophyllite, which form exsolution lamellae that give the rock its typical iridescence. Other common minerals...

the chamber at depths between 1.5 and 4.5 km (5,000 and 15,000 ft), the exsolution of a high-pressure fluid magma formed during cooling and crystallisation...

a melt, it forms exsolution lamellae because the two components – orthoclase and albite – are unstable in solid solution. Exsolution can be on a scale...

calcium the necessary time to separate itself from the structure to form exsolution lamellae of calcic clinopyroxene, leaving no pigeonite present. Textural...

A metamorphic reaction is a chemical reaction that takes place during the geological process of metamorphism wherein one assemblage of minerals is transformed...

cooling of the host rocks, and the ilmenite so produced may form apparent exsolution (trellis type) laminae in magnetite. The texture was once interpreted...

solution extends towards chalcopyrite (CuFeS2) and digenite (Cu9S5). Exsolution of blebs and lamellae of chalcopyrite, digenite, and chalcocite is common...

pressure within the reservoir, exsolution and decompression of gas bubbles within the conduit and, potentially, exsolution of bubbles within the magma reservoir...

hydrocarbon cycle on Titan, are possibly rising bubbles due to nitrogen exsolution. Kraken Mare, along with other Lakes of Titan, was first discovered by...

exists at lower temperatures, and, as a result, hornblende often contains exsolution lamellae of grunerite. Hornblende is a common constituent of many igneous...

size. If these tiny particles travel through a water heater, further exsolution of carbon dioxide occurs due to increased temperature and new crystal...

volcanics. Alternatively, the fault block traps could have been recharged by exsolution of methane from formation brines as a direct result of the Tertiary uplift...

solid solution series with intermediate compositions termed anorthoclase. Exsolution of an albite phase does occur; resulting cryptoperthite can best be observed...

the water level represents a fluid pressure condition that leads to gas exsolution or boiling that in turn causes intense mineralization that can seal cracks...

exists at lower temperatures, and, as a result, hornblende often contains exsolution lamellae of grunerite. On account of the wide variations in chemical composition...

(January 11, 2021). "Highly explosive basaltic eruptions driven by CO2 exsolution". Nature Communications. 12 (1). doi:10.1038/s41467-020-20354-2. PMC 7801484...

exsolution are aids in interpreting cooling histories of rocks. Perthite is an intergrowth of K-feldspar with albite feldspar, formed by exsolution from...

distinctive character of feldspar in hypersolvus granite is to present exsolution textures. That is because the high temperature feldspar was ternary (i...

minerals in rocks but no solid solution. This coexistence may result in exsolution lamellae in cooled ilmenites with more iron in the system than can be...

twinning planes. The large blue-green minerals are clinopyroxene with some exsolution of orthopyroxene. Thin sections are prepared in order to investigate the...

Province, Kenya. It is polymorphous with kyzylkumite. The mineral occurs as exsolution lamellae and particles in rutile, coexisting with kyanite, sillimanite...

fall Pyroclastic surge An explosive eruption is usually triggered by exsolution of volatiles but there are other ways to create an explosive eruption...

and morphology of vesicles in pumice offer direct evidence of volatile exsolution and degassing dynamics during the eruption that formed the rock. By analyzing...

pyrrhotite and pentlandite as intergrowths with chalcopyrite. It results from exsolution from chalcopyrite at temperatures below 200 to 210 °C. If cubanite is...

microcline and albite. A composition falling in this gap will experience exsolution as it cools, where nepheline and kalsilite separate into separate microscopic...

created a natural barrier. In 1984, the lake experienced a deadly gas exsolution, triggering a violent limnic eruption that killed 37 people. The primary...

of an injection of new silicic magma into the reservoir and volatile exsolution from crystallizing magma. The eruption of the Lava Creek Tuff has been...

or a subsurface magma body. It can be caused by magma accumulation, exsolution of volatiles, geothermal processes, heating, and tectonic compression...

crystallizes in many mafic igneous rocks. Titanomagnetite may undergo oxy-exsolution during cooling, resulting in ingrowths of magnetite and ilmenite. Natural...

is Castle & Lindsley's exsolution silica-pump model. Accordingly, the texture was created as plagioclase formed by exsolution from alkali feldspar during...

Singh, Sandeep; Soto, Alejandro; Soderblom, Jason M. (2019). "Nitrogen Exsolution and Bubble Formation in Titan's Lakes". Geophysical Research Letters....

intermediate composition alkali feldspars are allowed to cool slowly, exsolution occurs and a perthite structure results. Anorthoclase occurs in high temperature...

(lamellae barely visible or not visible to the naked eye) to very coarse exsolution textures. Mafic minerals present include amphiboles, biotite, and pyroxenes...

Z = 8 Identification Color Black Crystal habit Massive, platy aggregates, exsolution lamellae in troilite Cleavage Distinct Fracture Uneven Tenacity Brittle...

they are cut by numerous thin lathes of plagioclase, which may represent exsolution lamellae; and 3) they appear to be older than the anorthosites in which...

tendency to break along planes of weakness due to pressure, twinning or exsolution. Where these two kinds of break do not occur, fracture is a less orderly...

twinned pigeonite, followed by exsolution of augite; (2) breakdown of pigeonite to orthopyroxene plus augite; (3) exsolution of augite parallel to the former...

the cryomagma ascend, the cryomagma is depressurized. This leads to the exsolution of the volatiles out of the cryomagma, forming gas bubbles that help lower...

as rosettes of hexagonal plates, typically granular, scaly; occurs as exsolution lamenae in franklinite and spinel Cleavage Perfect on {0221} Fracture...

called moonstone and show Schiller iridescence due to the presence of exsolution lamellae on cooling in the peristerite miscibility gap, ~An5-An18. One...

Ni content – <20% Taenite minor or absent >20% kamacite and taenite in exsolution relationship Sulfides: Mean Ni content – >0.5% <0.5% Overall Texture No...

the magma ascends, the bubbles grow due to decompression and further exsolution caused by decreasing volatile solubility. Depending on magma viscosity...

Marielle; Pautrat, Alain; Mentré, Olivier (2014). "Reversible Topochemical Exsolution of Iron in BaFe2+2(PO4)2". Angewandte Chemie. 126 (49): 13583–13588. Bibcode:2014AngCh...

bursaite unlike those in lillianite are two Bbmm phases that appear to be exsolution products of phase III, which is simply the synthetic analogue of lillianite...

~550 °C (1,022 °F) (dependent on composition) that the MSS undergoes exsolution. A separate phase, usually a copper-rich sulfide liquid may also form...

Z = 1; V = 309.72 Å3 Identification Color Brownish orange Crystal habit Exsolution grains within bornite Mohs scale hardness 3.5-4 Luster Metallic Diaphaneity...

igneous provinces, was also marked by atmospheric loading through the mass exsolution and emission of volatiles, via the process of volcanic degassing. Comparative...

It is thought that the palladium entered the pentlandite during its exsolution from the MSS, and that the palladium came from two sources; a small amount...

N., T.N.; Deliousi, K.; Malik T.K., T.K.; De Corte, K. (2015). "From exsolution to 'gold sheen': A new variety of corundum". Journal of Gemmology. volume...

saturated of nickel sulfide minerals and is only formed via metamorphic exsolution of sulfur from the lattice of metamorphic olivine. Heazlewoodite is thought...

1016/0040-6031(96)02806-7. Grguric, B.A. (2002), Hypogene violarite of exsolution origin from Mount Keith, Western Australia: field evidence for a stable...

did not fit the usually accepted models as to either being formed by exsolution from primary K-feldspar or by Na- and Ca-metasomatism along the margins...

lead-gray Crystal habit Striated, prismatic crystals, inclusions and exsolutions in galena and other silver minerals Twinning Twin plane {010} Cleavage...

grains with diameter of 4–6 mm. Other common textures are myrmekite and exsolution lamellae with calcite. Euhedral grains are only found in carbonatites...

Lanzafame, Gabriele; Ferlito, Carmelo; Mancini, Lucia (April 2017). "Gas exsolution and bubbles nucleation from the 1669 lava flow of Mount Etna (Italy):...

buoyant within an icy shell, ascent of cryomagma on Europa likely requires exsolution of dissolved volatile species—such as carbon dioxide, carbon monoxide...

Sorption, ion exchange, and surface complexation Gas dissolution and exsolution Stable isotope fractionation Radioactive decay Mass Transport: Advection...

in the octahedral site. A low-temperature solvus in the mineral causes exsolution changing the chemistry of a specimen resulting in confusing variations...

precipitation, acid-base reactions, ion exchange, and gases dissolution and exsolution. Those chemical processes also happen in terrestrial aquifer system. The...

Sorption, ion exchange, and surface complexation Gas dissolution and exsolution Stable isotope fractionation Radioactive decay Simple phase diagrams or...

of the magma. If the melt contains enough dissolved gas, the rate of exsolution will determine the magmas rate of ascension. Mafic melts contain low levels...

Moltschanova was the first person who exactly described the definition of the exsolution. For a phase separation the initial glass composition must lie in the...

Fonarev, V. I., Pilugin, S. M., Savko, K. A., and Novikova, M. A., 2006, Exsolution textures of ortho-and clinopyroxene in high-grade BIF of the Voronezh...

compressible along the c-axis than the a-axis. Bararite has no known solution or exsolution, but it is always mixed with other substances (cryptohalite, sal ammoniac...

A.M., and Lasky, S.G., 1932, Covellite-chalcocite solid solution and exsolution: Economic Geology, volume 27, pages 52-86. "Memorial to Alan Mara Bateman"...

(2017). "Solid molecular nitrogen ( δ -N 2 ) inclusions in Juina diamonds: Exsolution at the base of the transition zone". Earth and Planetary Science Letters...