نتایج جستجو برای: type deposits
تعداد نتایج: 1366580 فیلتر نتایج به سال:
purpose: to report a case of anterior segment eye deposits in a patient on long-term chlorpromazine therapy. case report: a 34 years old man had been on chlorpromazine therapy for 5 years with a total dose of 1,100 gram. since one year ago, he presented with gradual onset of decreased visual acuity in both eyes. slit-lamp examination revealed multiple fine yellow-brown deposits on the corneal e...
The Eskay Creek gold-silver mine, located in northwest British Columbia, is an unusually high-grade ore deposit. The mining industry continues to spend more than $2 million each year on exploration for similar deposits in the area. The geologic setting at the minesite is well studied, but large tracts in north-central British Columbia require more detailed surveys to determine if favourable sit...
The Eskay Creek gold-silver mine, located in northwest British Columbia, is the highest-grade precious-metal volcanogenic massive sulphide deposit in the world. The mining industry continues to spend more than $2 million each year on exploration for similar deposits in the area. The geologic setting at the minesite is well studied, but large tracts in north-central British Columbia require more...
Gushfil deposit is located SW Isfahan within Malayer-Isfahan Metallogenic Zone. Mineralization occurs at contact of Jurassic shale and Cretaceous dolomite as epigenetic with structural control. Paragenetic minerals are sphalerite, galena, and pyrite associated with dolomite, quartz, organic matter, and minor barite as gangue minerals. These minerals show berrecia, veinlets, open space filling, ...
post-mineralization activities may cause difficulties in the process of ore modeling in porphyry deposits. sungun, nw iran, is one of the porphyry copper deposits, in which dyke intrusions have made ore modeling more complicated than expected. among different kinds of dykes, two types were chosen and the consequent geostatistical analyses were applied on. in this study, simple directional vario...
Rising economic value of a large number of metals as a result of their importance for new technologies and industrial development has renewed worldwide interest for mineral exploration and detailed studies of ore deposits. The Dill’s (2010) “chessboard” classification of mineral deposits is the most recent attempt to provide an exhaustive overview of all mineral deposits known to date. However,...
Introduction: Impact craters are a dominant geological landform on Mars, the most Earth-like planet in the Solar System. The martian impact cratering record is more diverse than for Earth and the other terrestrial planets [e.g., 1]. Of particular interest is the presence of multiple layers of lobate or fluidized proximal ejecta deposits surrounding martian impact craters. These are collectively...
Several types of glomerulonephritis associated with dysproteinemia, such as AL-amyloidosis, light- and heavy-chain deposition disease, and type 1 cryoglobulinemic glomerulopathy, demonstrate monoclonal immunoglobulin deposition. Progressive glomerulonephritis with monoclonal IgG deposits (PGNMID) is also known to feature monoclonal glomerular deposits, but most of these cases occur without unde...
Type II glycogenosis is an autosomal recessive storage disease characterized by absence of the enzyme acid alpha-1,4-glucosidase. The eye of a 16 week fetus, aborted after diagnosis by amniocentesis, was studied by light and electron microscopy. Extensive deposits of lysosomal and cytoplasmic glycogen were present in virtually all ocular tissues examined, with the notable exception of pigment e...
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