The nature of light uw madison astronomy department. Swarms of ultramafic lamprophyre dykes and carbonatite complexes are known from a number of areas in greenland. The particle or ray model of light is illustrated by the properties of reflection and refraction. Igneous rock clan2 free download as powerpoint presentation.
The geology of sw england has long been interpreted to reflect orogenic processes associated with the closure of the rheic ocean and the formation of pangaea. Our online pdf to powerpoint converter is the best available, and you can use it free. To begin, gather your slides, needle nose pliers, leather punch, and jewelry rings. Punch a hole in the center of each side of the paper slide, very close to the edge. It has low cao, al 2 o 3, na 2 o, high k 2 oal 2 o 3, a relatively high mgo content and extreme enrichment in incompatible elements lamproites are geographically widespread yet are volumetrically insignificant. Structural ore controls in the cariboo 093ah, cassiar. However, these former studies seem hard to explain the reasons of abnormal methane emission and potential risks of coal and gas outburst under igneous invaded geological conditions. Halogen lamps are largely able to eliminate this problem because the halogen gas reacts chemically with the evaporated tungsten to prevent it from affixing to the glass, some tungsten is returned to the filament, which also serves to increase the rated life of the because the temperature required for this reaction is higher than a typical incandescent bulb, halogen lamps must generally be. Fluorinerich fluids transported metals along regional fault systems and via fractures into massive calcsilicate corella fm. Petrology of igneous and metamorphic rocks gly 4310c. Such rocks are characterized by a porphyritic texture in which large crystals phenocrysts of dark, ironmagnesium mafic minerals are enclosed in a. Investigation of fault control at mather gorge and.
Magmatic zircon in the syenite bostonite part of a composite neswtrending cogenetic bostonitecamptonite dyke in orkney, scotland, yields a laser ablation inductively coupled plasma mass spectrometry age of 3 4 ma and. They range in age from archaean to palaeogene and the timing of their intrusion can be related to episodes of continental rifting larsen and rex, 1992. Provinces of ultramafic lamprophyre dykes, kimberlite. Download the ppt file and save it to your computer.
News release february 14, 2019 kirkland lake projects local geology map. The future lamp seminar report, ppt, pdf, doc,abstract, powerpoint presentation, free download for engineering students. Light waves can interfere with other light waves, canceling or amplifying them. As a widespread existence igneous rock bed accompanying coal beds, there is a lack of research on lamprophyre pore structure. Mitchell has suggested that rocks belonging to the lamprophyre facies are characterized by the presence of phenocrysts of mica andor amphibole together with lesser clinopyroxene andor melilite set in a groundmass which may consist either singly or in various combinations of plagioclase, alkali feldspar, feldspathoids, carbonate. Classification of rocks and description of physical properties of rock introduction uniformity of definitions, descriptors, and identification of rock units is important to maintain continuity in geologic logs, drawings, and reports from a project with multiple drilling sessions, different loggers and. Genesis of carbonate aggregates in lamprophyres from the. Ppt minerals in thin section powerpoint presentation. An experimental study using carbon and samarium as examples. Among most significant differences are the following.
There are multiple generations of biotite growth in the lamprophyre dikes at mather gorge. Igneous rocks is the primary type of rocks that formed by direct solidification or crystalization due to the cooling down of molten magma or lava at high temperatures ranges from 650 to 0 o c. Pdf soil geochemistry and pathfinder element distribution. Zircon upb age for the orkney lamprophyre dyke swarm. Click create pdf xps document, then click create pdf xps. Remaining uploaded pdf or ppt files will be deleted automatically. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Pdf classification of lamprophyres, lamproites, kimberlites. Based on original data on the east european and siberian platforms and materials on the best studied foreign objects, a comparative analysis of kimberlites and lamproites was conducted and the criteria of their differences were formulated. Minerals in thin section is the property of its rightful owner. The trend of mather gorge is not controlled by a fault. Macroscale targeting of magmaticrelated uranium mineral systems ausimm uranium conference, darwin, 100609 conclusions u content of igneous rocks has been mapped at a national scale urich igneous rocks may act as a vector towards orthomagmatic, magmatic hydrothermal, and secondary u.
Magma characteristics, types, sources, and evolution. The deccan volcanic province is one of the earths giant continental flood basalts and has a total exposed area of about half a million square kilometers, between latitudes 16 24 n and longitudes 70 77 e. In the publish as pdf or xps dialog box, choose a location to save the file to. Petrophysical properties of indian kimberlites, lamproites and lamprophyres. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. They interpreted the isotopic composition of the aggregates to be the result of hydrothermal. Convert to 3fr arw bmp cr2 crw dcr dng dwg dxf emf eps erf gif heic ico jpg jpeg mdi mrw nef odg orf pcx pef png ppm psd raf svg tga tif tiff wbmp webp wmf x3f xcf csv djvu doc docx eml html html4 html5 key key09 key. Ppt minerals in thin section powerpoint presentation free. Magma can cool to form an igneous rock either on the surface of the earth in which case it produces a volcanic or extrusive igneous rock, or beneath the surface of the earth, in which case it produces a plutonic or intrusive igneous rock. Jan 16, 2011 based on original data on the east european and siberian platforms and materials on the best studied foreign objects, a comparative analysis of kimberlites and lamproites was conducted and the criteria of their differences were formulated. Lecture presentations all presentations are powerpoint files. Map and measure the dikes in the vertical dimension. Detection and mapping of fractures and cavities using.
Subsurface data show that the maximum concentration of the mica lamprophyre. The recommendations of three working groups established by the iugs subcommission on the systematics of igneous rocks to resolve aspects of the problem are presented for discussion. Aug 20, 2016 this ppt provides you brief introduction about sources of artificial light. Geosciences free fulltext simultaneous free flow and. Lab 8 syenite, phonolite, ijolite, carbonatite, ultramafic rocks and lamprophyre. Nnw orientation nesw directed compression spatial association with f3 fold hinges originally thrusts or backthrusts entrained slivers of basement slide mtn ultramafic listwanite d3 reactivated as reverse sinistral faults by d4 bonanza ck. However, they can also be a consequence of continental subduction and delamination. Petrophysical properties such as magnetic susceptibility and density of primary diamond source rocks from india are determined and the results are interpreted in conjunction with their petrology and geochemistry. A well constrained late permian, capitanian, age of 264. Draw straight lines to link each photograph a g with the locality marked 1 15 on the map where you think it was taken. Soil geochemistry and pathfinder element distribution associated with the hillgrove antimonygoldtungsten deposit, new england orogen, nsw conference paper pdf available november 2010 with. Trace element partitioning determined by betatrack mapping. For tomography surveys, the transmitter antenna is in one borehole. Vitrinite reflectance an overview sciencedirect topics.
Metallogeny, geology, and gold mineralization in the. Multitests for pore structure characterizationa case study. This looks like a whole punch, but is much smaller. The problem of school plant maintenance begins on the day the school board accepts a building from the contractor and continues throughout the entire life of the building. The mean trend of the camptonite and bostonite dikes strikes. Select the pdf file you want to convert to powerpoint. Magmatism in convergent continental settings is typically less voluminous than any other setting, especially in relation to erupted volumes. Multitests for pore structure characterizationa case. Lamprophyre dikes as tectonic markers of late orogenic. The commercial lighting sector accounts for more than 40 percent of all lighting in the u. Geochemistry of the new england lamprophyre series. The four main regions, sarfartoq, maniitsoq, tikiusaaq and pyramidefjeld occur in the archaean north atlantic craton in southern.
Save powerpoint presentations as pdf files office support. A composite lamprophyre dyke from the central bohemian dyke swarm czech republic shows both indications of magma free flow normal magnetic fabric with magnetic foliation and lineation parallel to the dyke plane as well as those of forcefully driven magma movement intermediate and inverse magnetic fabrics with magnetic foliation perpendicular to the dyke plane. Lamprophyre, any of a group of dark gray to black intrusive igneous rocks that generally occur as dikes tabular bodies inserted in fissures. The unaltered granites show similar levels of these radioelements, but the kimberlite is differentiated through higher thk.
If so, share your ppt presentation slides online with. Classification of rocks and description of physical properties of rock introduction uniformity of definitions, descriptors, and identification of rock units is important to maintain continuity in geologic logs, drawings, and reports from a project with multiple drilling sessions, different loggers and mappers. The lamprophyre 3d pore structure shows more stochastic and anisotropic extension on the z axis to form a complex pore system on a threedimensional level. How to make a lamp shade from projector slides snapguide. An analysis of trace elements from lamprophyres from vermont, new hampshire, and maine is consistent with the notion that the lamprophyres were. Partitioning of rareearth, alkali and alkaline earth elements between phenocrysts and. The pore structure plays an important role to understand methane adsorption, storage and flow behavior of geological materials. However, the 77 ma age for the xenolithbearing lamprophyre dike at the bain mine requires at least two separate dike events. Process cp is a numeric index that represents the inherent capability of a process to meet the requirements of the tolerance range without respect to centeredness. The effect of intrusion of micaperidotite mica lamprophyre dykesill in the dishergarh seam of the raniganj basin leads to some interesting observations. If you continue browsing the site, you agree to the use of cookies on this website. The vitrain bands show distortion, folding and fading of luster. Get more information about nokia morph technology ppt free download by visiting this link. Lamprophyre definition of lamprophyre by merriamwebster.
Pdf converter is a online webbased document to pdf converter software. Such rocks are characterized by a porphyritic texture in which large crystals phenocrysts of dark, ironmagnesium mafic minerals are enclosed in a finegrained to dense matrix groundmass. The basic principles of the most commonly used lamp types and. Convert and create pdf from various types of files like word doc, excel xls, powerpoint ppt. The lamprophyres are characterized by ni and cr abundances and mgo sufficiently high to indicate a mantle source. Near the contact of the intrusive, the coal is converted into jhama natural coke, which shows columnar structures. Find materials for this course in the pages linked along the left. The chondritenormalized ree patterns confirm crystallization from a lree enriched magma. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. When you save presentation as a pdf file it freezes the formatting and layout.
This has, by and large, dispensed with the previous provincial names of lamprophyre species, in favor of a mineralogical name. Dating of the gredos sector mafic camptonitic lamprophyre dykes was undertaken to constrain the late variscan tectonomagmatic evolution of the region. Lamprophyre definition is any of a series of dark rocks of basaltic habit that resemble trap, occur usually in narrow dikes, and sometimes contain glittering plates of biotite. Besides this extrusive magmatism, a large number of mica lamprophyre sills and dykes occur, mainly restricted within the eastern gondwana basins of the damodar valley and in the damuda group in the frontal thrust belt of the darjeeling foothills acharyya, 1972. Lamprophyre forms 23 bifurcated sills drive extended parallel to interpreted m3 positi sludge and diamond drilling to define the hg po once clearly delineated drive will be position fo. Nokia morph technology ppt free download seminarsonly. The spatial and temporal association of postcollisional granites and lamprophyre dykes is a common but enigmatic relationship in many orogenic belts, including the variscan orogenic belt of sw england. Ppt low voltage lighting powerpoint presentation free to. Petrogenesis of lamprophyres synchronous to kimberlites. The new england lamprophyre suite comprises a series of magmatic intrusions that connects the age progressive canadian kimberlite lineament spatially and temporally with the new england seamounts. In this paper, the multitests including n 2 adsorption, mercury intrusion porosimetry mip and ct reconstruction have been proposed on tashan lamprophyre samples. Translucent see through materials scatters the transmitted light.
They have high f contents, evidenced from fluorite in comagmatic lithologies. This magmatism is interpreted as a response to late variscan regional extension or an early response to the skagerrak mantle plume. The nomenclature and classification of lamprophyres, lamproites, kimberlites and the kalsilitic, melilitic and leucitic rocks are inadequately defined. The abundance, large size, wellformed crystal outline, and.
Rocks produced by the settlingdeposition, compaction and cementation of sediments limestone gritstone conglomerate shale sandstone sedimentary rocks sedimentary rocks are rocks formed when particles of sediment build up and are cemented together by the effect of pressure and minerals. Low voltage lighting a free powerpoint ppt presentation displayed as a flash slide show on id. People can view the slides even if they dont have powerpoint, but they cant make changes to it. Pdf petrophysical properties of indian kimberlites. Combined petrological and geochemical studies classify them as belonging to alkaline lamprophyre category in general and camptonites in. Henrie uaa statistical quality control process capability cp. Mafic volcanic rocks, layered tuff and chloritic sediment, gabbro sedimentary rocks iron formation 10 lamprophyre gold lode north ioo wesmeg formation 200 m 100 metres local coordinate system. This suggests that the nesw, eastwest and nwsetrending scottish lamprophyre dyke swarms were emplaced during one late. Borehole radar in the tomographic mode crosshole tomography is the process by which a twodimensional model is made of physical properties in the plane between two boreholes. The nature of light as a wave a small disturbance in an electric field creates a small magnetic field, which in turn creates a small electric field, and so on light propagates itself by its bootstraps. Our pdf to powerpoint converter will turn your pdf into ppt in seconds. Magmas can be produced in such settings via heating and decompression of crustal rocks during burial, respectively and exhumation.
Spletne aplikacije s podatkovno bazo clients application servers including web servers database server a database web application is an application based on world wide web internet and database using web browser as a client. Lamprophyre magmatism was initiated some 10 ma earlier in scotland than in the oslo rift. Lamproite is an ultrapotassic mantlederived volcanic or subvolcanic rock. The nokia morph is a theoretical future device based on nanotechnology that might enable future communication devices. Vogesite was first described from the vosges mountains, france, where rocks of this type actually, minette were described in the early 20th century.
Panteleyev unpublished data in nelson, 1990 and ash, 2001. Macroscale targeting of magmatic related uranium mineral. Unlike kimberlites, which are found exclusively in archaean cratons, lamproites are found in terrains of. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. It has low cao, al 2 o 3, na 2 o, high k 2 oal 2 o 3, a relatively high mgo content and extreme enrichment in incompatible elements. Explore the open source web development platform skill level. Lamprophyre dikes were emplaced at 1 ma, consistent with a previous determination by a.
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