 | Patrier, Patricia, Beaufort, Daniel, Meunier, Alain, Eymery, Jean-paul, Petit, Sabine (1991) Determination of the nonequilibrium ordering state in epidote from the ancient geothermal field of Saint Martin: Application of Mössbauer spectroscopy. American Mineralogist, 76 (3-4) 602-610 | Journal (article/letter/editorial) | | minerals of the potassic(tourmaline + quartz + magnetite + orthoclase * apalite + sulfides),then phyllic...sequenceofhyaloclastites and tuffs. At the + magnetite assemblagerestricted near the intrusion (0- 604...chlorite, HM : hematite;ACT: actinolite,MG : magnetite. 300 m from the pluton). The associatedtemperaturecov-...metamorphic igneous rocks of Ia Helle and Challes, Venn-Stavelot-Massif, Belgium. Annales de la Soci6t6G€ologiquede |  | | Journal (article/letter/editorial) | | are found crystals of limonite, hematite, and magnetite, having all the forms common to pyrites, from...martite are composed of a mixture of hwnatite and magnetite, and in all probability have also been C. H. B...small trapezohedrons. Octohedral crystals of magnetite and picotite are also present. If the fused mass...class belong the springs of nix, Msrlioz, and Challes, in Savoie, and of Bromines, la Caille, and Menthon...Marlioz. 44.6" 3-74 m g m . 3.60 mgrm. 0.4443gr. Challes great spring. Temperature . . . . . . . . . . |  | | Journal (article/letter/editorial) | | oxide of iron, allotropic varieties of, 557. Magnetite, 282. -from Mulatto, 391. Malachite green, 873...-water of Casteggio, analysis of the, 715. --of Challes, in Savoy, 560. -waters, sulphurous, of Aix, in |  | | Report (volume) | | 1 Ca2Fe3Si3O12(OH) + 2 CO2 and 2 calcite + 1 magnetite + 3 quartz + 0.5 H2O + 0.5 O2 = 1 Ca2Fe3Si3O12(OH)...igneous rocks of IA Helle and halles, Venn-Stavelot-Massif, Belgium. Ann Soc Geol Belg 101:227-241 Seki Y...controlled oxygen fugacities of the hematite/magnetite buffer and determined the Fe3+ partitioning between...oxygen fugacities (equal to or above the hematite-magnetite oxygen buffer) are expected to maximize epidote...log units above hematite-magnetite buffer) down to those of the iron-magnetite. The uppermost temperature |  | | Journal (article/letter/editorial) | | compared with those in the museums of France and Belgium, if justice was to be done to the subject, and...Lazaro of Italy, and of the Order of Leopold of Belgium. He was also an honorary member of the Royal Society...Tertiary and Cretaceous strata of Holland and Belgium. Dr. Bosquet worked out with great industry and...was a Member of the Royal Academy of Sciences of Belgium, and was also a Chevalier of the order of Leopold...original researches upon the Crag Mollusca of Belgium. His chief work is the 'Description des Coquilles |  | | Book | | Pyroxene-hornblende-magnetite rock, Scourie. 2. Felspar-pyroxene-magnetite-garnet rock, Scourie....Augite-granite, Cheviot District. 1. Plagioclase-augite-magnetite rock, Kyle Sku. 2. Zoisite-amphibolite, Erribol...of common salt occur in the diorite of Quenast, Belgium. one of these the volume of the liquid was estimated...regarded by some observers as crystals of hematite, magnetite, brookite, augite, or other minerals; and by others...more sets. of an opaque substance, probably magnetite. These inclusions lie along the irregular cracks |  | | Book (edition) | | is Fe2+/Fe3+. The two iron oxides hematite and magnetite are related by the reaction: 6 Fe2 O3 ¼ 4 Fe3...this reaction are given (for pure hematite and magnetite) by K ¼ aO2 . Again, the equilibrium depends on...1020–1040 bar). However, coexistence of hematite and magnetite may also be formulated in the presence of water...diagrams. The assemblage biotite + K-feldspar + magnetite is common in high-grade metamorphic and in igneous...(annite) K-feldspar magnetite (3.25) –10.0 iron in hematite – 20.0 iron in magnetite em ag + H ag +M |  | | Journal (article/letter/editorial) | | of Germany, Switzerland, Upper Italy, France, Belgium, Holland, and England. Before going to St. Petersburg...believe that the black hair-like crystals are magnetite. For a long time I thought it probable that the...characters. The amount of granules and needles of magnetite or ilmenite varies much, even in different parts...stage is the formation of small dark grains of magnetite or ilmenite, and well-developed felspar microliths...Guerrero, l~Iexico, 186.--E. C. Smith. Analysis of Magnetite exhibiting" unusual Crystalline Distortion, from |  | | Journal (article/letter/editorial) | | of pyroxene and a diminution in the amount of magnetite in the portions of those lavas that surround the...interested in marine biology. On returning to Belgium, after an appointment at Ghent which led to nothing...hornblende are gradually replaced by augite, magnetite becomes a prominent constituent, whilst a remarkable...absolute basicity to be represented at one end by magnetite, and absolute acidity at the other end by free...colourless mica (muscovite), sphene, apatite, magnetite, and pyrites. The metamorphism of the rhyolitic |  | | Report (volume) | | 28-31, Illus., Apr. 1941. 2. The Adirondack magnetite deposits, m Newhouse, W. H, ed., Ore deposits...Illus., Sept.1946 2 Magnetic surveys, Dannemora magnetite district, Chnton County, New York U.S Bur. Mmes...Jan 1947 3 Magnetic surveys, Redford-Clayburg magnetite distnct, Saranac and Black Brook, Chnton County...Jan. 1947. 4 Magnetic surveys, Russian Station magnetite district, Chnton County, New York: U.S. Bur. Mmes...Gravity and magnetic observations on Iron Moun tam magnetite deposit, Llano County, Texas: Geophysics, v 8 |  | | Book (volume) | | is probable that Jacques Wiener (d. 1899), of Belgium, was the last of the medallists of note who habitually...works there produced. Belgium.—Although sculpture so greatly flourishes in Belgium, medal work shows little...aspirating tube. MENIN (Flemish Meenen), a town of Belgium in the province of West Flanders situated on the...the first part (containing Germany, France and Belgium) of the Atlas, sive cosmographicae meditationes...art traditions are hereditary. The metal-work of Belgium is based at present entirely on that of France |
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