Sericite is fine-grained muscovite formed by alteration of such minerals as feldspar, cordierite, and sillimanite. |
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Flow tops were avoided as they are almost always riddled with amygdales and show signs of alteration. |
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The mineralogical and textural alteration in the country rocks resulting from this heating by igneous bodies is called contact metamorphism. |
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The restoration of the Stanley government in 1660 therefore caused as little friction and alteration as its temporary cessation had. |
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Most reproductions of the work are from a later alteration that obscured her obvious female characteristics. |
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The most distal alteration is volumetrically minor and involves alteration of olivine to antigorite and magnesite. |
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This change in the pattern of elasticities represents an alteration in the selection pressures on the life history. |
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The only alteration for decades has been to prevent the goalkeeper picking up a kicked back pass. |
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This alteration enhances the camera's ability to take high-end astrophotographic images. |
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The filibuster rule has of course been the subject of occasional but profoundly important alteration. |
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Orthoclase occurred as remnant phenocrysts in a groundmass of chloritic material resulting from alteration of iron-rich felsite cobbles. |
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Vitrinite reflectance data provide an estimate of maximum burial depth by optical assessment of the thermal alteration of coaly material. |
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The last major alteration was made soon afterwards when a clerestory was built above the nave arcades. |
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Sedimentation and hydrologic alteration, common symptoms of urban watersheds, are likely filling in or flushing higher quality substrata. |
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There are likely to be several distinct fat alteration syndromes occurring in a variety of combinations. |
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Palaeosol horizons are interbedded with these units, representing the pedogenic alteration of exposed floodplain sediments. |
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The fragments are angular and the feldspar fragments fresh, although there are considerable amounts of chloritic alteration products. |
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It likely exists as a hydrothermal alteration product of aluminous materials. |
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Once this gene alteration has taken place, the changed gene can then be passed on to succeeding generations. |
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Or a program text might be ruined by alteration of a critical subprogram that makes the program as a whole useless. |
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These indicate that the thermal alteration is due to thrust loading and not to pre-thrust sedimentary overburden. |
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The right to vote can neither be denied outright nor destroyed by alteration of ballots nor diluted by stuffing ballot-boxes. |
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A study to reveal the overall structural alteration in this mutant is now in progress. |
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The pharmacist noticed the prescription for the dose had been altered from 50 to 100 microgrammes, and the alteration had not been initialled. |
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In some instances the alteration is so intense that all that remains of the host is a porous siliceous cap rock. |
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Prizes described above are subject to alteration and cancellation at short notice. |
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An early phenotypic alteration in these mice is a cardiomyopathy with calcification and altered mitochondrial appearance. |
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Exposure to toxic metals such as cadmium or lead can result in an alteration in peripheral metabolism of thyroid hormones. |
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Zeolite is a common product of volcanic glass weathering, but may also be related to opal-CT alteration. |
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Some of these drugs derived from galenicals or were designed by structural alteration of known drugs. |
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Taking no chances, the pope issued a papal bull automatically excommunicating any printer who might make an alteration in the text. |
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And nine times out of ten, all that's needed to eradicate these risks is an alteration to our daily routines. |
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In fact, the only alteration necessary was to change the barrel to nickel steel in order to handle the higher velocities of jacketed bullets. |
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Loose and unstructured, the shapes will suit many body types and eliminate many alteration problems. |
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However, thus far it has not been possible to detect any general alteration in starch and sugar metabolism in mutant plants. |
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I want to disengage the warp drive, make a course alteration to two-six-five mark fourteen, then reactivate the warp drive at current speed. |
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Important mechanisms for epigenetic alteration of gene expression include DNA methylation and histone acetylation. |
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The next alteration came when I was supposed to bring a dish to a company potluck. |
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Eliminating the gamma fusimotor drive prevents alteration in jaw muscle spindle afferent discharge following algesic chemical stimulation. |
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Our diligent investigations reveal serious alteration to the terms of the document. |
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We were at Greenwich Village at the time of the wonderful crucible of creative alteration of the nation. |
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If this project is carried out on a large scale, it will add up to a massive amount of human alteration of the course of nature. |
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The phased repair and alteration project involved coordination and phasing of 22 different tenant agencies. |
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Neither the drawer of the cheque nor the original payee consented to the alteration of the payee. |
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Dolerite dykes that cut the peridotite show chilled margins and local metasomatic calcic alteration. |
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During and after the exhumation, the lherzolites underwent hydrothermal alteration and serpentinized at relatively low temperature. |
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It is this alteration in the diffusivity of the mesopause region that allows structures in the electron density to persist at observable scales. |
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It is an alteration product of realgar, native arsenic, and, less commonly, arsenopyrite. |
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From the 1940s to the 1970s, different techniques in keratomileusis evolved in surgical alteration of the cornea. |
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The only major alteration was with the windchests, where the bottom boards were replaced with plywood. |
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Amyloid fibril formation generally is a result of alteration of the native conformation. |
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The scale of alteration can vary in extent from less than a centimetre to many tens of kilometres. |
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A number of zircon grains from the two samples show evidence for metamorphic alteration or recrystallization. |
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After alteration, formerly understandable Swedish words become meaningless. |
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The credit card with driver's license may be laminated to provide additional protection against the alteration of information thereon. |
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The alteration to or imitation of older styles was not limited to the 19th century. |
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Very many words were written on the possible reasons for this alteration, but I didn't read them. |
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Mineral grains are typically fractured and show dark alteration along grain boundaries and fractures. |
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His method was exacting, allowing no possibility of alteration or modification. |
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The only major alteration was the transformation of a poky shower room and toilet into an elegant pampering place. |
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This alteration can cause significant changes in porosity and permeability. |
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This alteration is thought to be mostly the result of the immune response to the virus. |
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There was little alteration in the design of the silver penny in the two centuries following the Norman Conquest. |
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The matter can be referred back to the executive committee, to the full council or it can be passed without alteration. |
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Traffic flow in Kendal could be set for another alteration in an effort to improve safety on a busy stretch of road. |
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The scientists concerned with this recoloration of our sea say that the apparent alteration is down to climate change. |
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The fact that no objections were received to the proposed Local Plan alteration adds further weight to this view. |
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Loops are readily formed without substantial alteration of the loop forming material. |
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Afterwards almost any alteration to the image can be made, such as hairstyle or eye colour. |
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Here was a chance to find out why we as a nation seem particularly keen on chemical mood alteration. |
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Is it even remotely possible that there will be a grand macro change without significant micro alteration here? |
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Not surprisingly, commuters in Strawberry Hill are rather upset by this alteration. |
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This case involves the alteration, by the addition of a forged signature, to an authentic but inexpensive Dali etching. |
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She became a professional seamstress with her own alteration store, stitching everything from sun bonnets to wedding gowns to linings for caskets. |
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Close was so distraught by the alteration that she initially refused to take part in the re-shoot. |
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Calcic amphiboles, including hornblende and actinolite are abundant, and probably are alteration products, which also include albite, orthoclase and rare pyrite. |
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Kyanite, microcline, zircon, monazite and opaque minerals are variably present with epidote, actinolite and chlorite being present as secondary alteration minerals. |
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Right after chest wall closure, the lungs underwent radioscopic examination in an attempt to identify the presence of pneumothorax or any other undesirable alteration. |
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Translucent crystalline mass of kieserite with white alteration products. |
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Certainly there has been no fundamental alteration in the basic law. |
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The rock that composed the hillside had once been schist, but now, after millions of years of alteration, it had been converted to a dense, hard red clay called laterite. |
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As seen in the granite, subhedral to anhedral grains of fayalite are fractured and show varying stages of alteration to hematite, antigorite, calcite, and magnetite. |
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The lifting contractor should have qualified personnel inspect all reusable hardware upon receipt for any signs of shipping damage, tampering, or intentional alteration. |
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To prevent tampering and alteration, the certificate is encrypted. |
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The independent control system would allow the third party to review all data against the live system and would feature an alarm for any tampering or alteration of data. |
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In addition, the sediments have suffered remarkably little burial and thermal alteration and contain well preserved marine organisms and terrestrially derived plant remains. |
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He reported finding wulfenite, cerussite, anglesite, plattnerite, and massicot as alteration products of galena in three pegmatites at Saint Peters Dome. |
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Furthermore, this alteration makes bar 33 exactly the same as bar 32, transposed down a tone, and thus there is a perfect sequential relationship between the two bars. |
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However, any alteration in one, two or in all of these may cause unbalance of the organ itself and a significant, noticeable, aesthetic disturbance to the whole face. |
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The symptom of early-morning myoclonus, unassociated with alteration of consciousness, is often not mentioned by patients unless they are specifically questioned about it. |
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The veins are surrounded by a 5-to 10-cm-wide alteration zone that consists of calcite, dolomite, diopside, hedenbergite, vesuvianite, and base-metal sulfides. |
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The spinels have low Mg number in comparison with Alpine-type peridotites, suggesting hydrothermal alteration in which Cr is preferentially retained in spinel. |
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The blocky, black, businesslike appearance of the stock pistol has been replaced by a two-tone visage that testifies unambiguously to extensive alteration. |
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Mental states occasion also changes in the calibre of blood-vessels, or alteration in the heart-beats, or processes more subtle still, in glands and viscera. |
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The evaporation became evident in the decline of the Federalist Party and the alteration of the Republican stance toward the precepts of Hamiltonianism. |
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Consequently, this leads to an alteration in the occlusal forces against the opposing arcade and subsequent changes in the occlusal surface of several teeth. |
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Hypoperfusion and perfusion abnormalities may include, but are not limited to, lactic acidosis, oliguria, or an acute alteration in mental status. |
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For how spare it is, the track is incredibly moving as every subtle change and alteration in the slowly accumulating tones takes on heavy emotional weight. |
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More typically ictal symptoms of depression are followed by alteration of consciousness as the ictus evolves from a simple to a complex partial seizure. |
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It's a process of alteration of this ash as the water percolates through. |
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Neither sample showed optical evidence for postformation alteration in the form of chloritized veins or sericitization of feldspathic minerals or micas. |
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No scarring or pigmentary alteration was seen in any study patient. |
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In the confection of senna it will be seen that the liquorice root has been discarded, while some little alteration has been admitted with respect to the other ingredients. |
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Any use of military force that aims at conquest of territory, alteration of borders, interference on one side or the other of a civil war is illegitimate. |
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The book has a number of useful insights, perhaps the most important of which is that the law of war needs relatively little alteration to be applied to cyberwar. |
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While all alteration zones and deposits in the basin are unique, they do share commonalities, such as silicification and base metal enrichment. |
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Weak to moderate quartz and quartz-ankerite veinlets were observed in the drill holes along with locally weak to moderate argillic alteration. |
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Contact metamorphism related to intrusion of the pluton has resulted in a distinct alteration halo which hosts known mineralization. |
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The majority have undergone a degree of alteration, ranging from slight amphibolitization to greenschist facies metamorphism. |
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Surface work has indicated shearing, strong sericitic to albitic alteration and quartz veining with grab samples to 1 gpt gold. |
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Roughness of hair coat or piloerection related to the treatment of LTE was noted as physiological alteration. |
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Weathering and alteration of a harzburgite protolith has produced a type A nickel-laterite deposit up to 17 metres thick. |
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Sections done in the stem did not present any alteration in the conduction tissues of xylem, phloem and aerenchyma. |
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Other proposals for alteration and development including floodlighting and a swimming pool have been defeated. |
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The two holes were drilled from a new platform in an area of coincident gold-in-soil anomalies and potassic alteration of basalt. |
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Habitual short-sleepers did not experience changes in taste perception, activity, or dietary intake following sleep alteration. |
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However reservoirs have significant environmental impact, as does alteration of naturally occurring stream flow. |
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The described changes mirror a substantial alteration of the policy of electing new members into the Estonian Academy of Sciences. |
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The different zones are strong propylite, argillic, sericitic and potassic alteration hosted in a biotite, feldspar quartz porphyry. |
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They cause DNA damage, proteosome degradation, as well as extracellular protein alteration. |
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It results from a transfer that the law treats as ineffective to work a conclusive alteration in ownership rights. |
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It is generally agreed that any unilateral alteration of succession by the UK would not have effect in all the realms. |
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Additionally, any alteration, erasure, or interlineation of the bid may be cause for its rejection. |
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Experimental alteration of a chlorite into regularly interstratified chlorite-vermiculite by chemical oxidation. |
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The arrival of European settlers in subsequent centuries resulted in a significant alteration in the social and political landscape of Oceania. |
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Depending on how well the tests match the predictions, the original hypothesis may require refinement, alteration, expansion or even rejection. |
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Crop alteration has been practiced by humankind for thousands of years, since the beginning of civilization. |
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Petrological studies show potassic metasomatism and localised hydrothermal alteration within the granitic host rocks. |
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Rhyolite consists of feldspar microlites, quartz, and minor K-feldspar, and exhibits only weak alteration. |
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A majority of these holes intersected significant silicification and argillic alteration. |
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The alteration zone starts at 765 metres in the form of bleaching, followed by silicification from 826 to 839 metres. |
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The china clay was formed by the alteration of feldspars in a process known as kaolinization. |
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The alteration of the balance between the photobiont and mycobiont can lead to the breakdown of the symbiotic association. |
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The alteration occurs in the telomerase reverse transcriptase gene, which helps to produce the enzyme telomerase. |
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Neurologic examination was performed, and examination of the cranial nerves revealed no alteration. |
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Epigenetics describes mechanisms of mitotically heritable changes in gene expression that occur via means other than DNA sequence alteration. |
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This crucial genetic alteration helps create the specialized limbs required for volant locomotion. |
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We could not detect any alteration in the form of the spermatids and spermatozoids. |
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Fritz S J, Mohr DW Chemical alteration in the micro weathering environment within a spheroidally weathered anorthite boulder. |
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Mineralization in this drill hole is hosted in a lamprophyre pipe exhibiting potassic alteration. |
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Nerve impulses consist only of waves of transient alteration in electrical potential passing along neurons. |
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Coal rank indicates the progressive alteration, or coalification, from lignite to anthracite. |
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Both disorders involve the autonomic nervous system and an alteration in contractility and smooth muscle tone. |
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As mentioned above, the Folio text is thought by some to be an alteration of the original play. |
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Argillic alteration zones form haloes to siltstone-hosted fracture zones locally. |
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This change leads to an alteration of the knowledge, if only a decontextualising, and this in turn changes the discipline. |
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At the same time, 001 required substantial refinement and alteration in order to be reworked into a commercially viable craft. |
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Investigation of soft-tissue stiffness alteration in denervated human tissue using an ultrasound indentation system. |
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The large range in U may be related to devitrification and alteration of the rhyolite groundmass. |
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Loss of alkalies in volcanic glass by post-depositional alteration and devitrification has been well documented. |
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The word bugaboo, with a similar pair of meanings, may have arisen as an alteration of bugbear. |
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This feature is interpreted as a diatreme breccia and it has evidence of argillic alteration on its periphery. |
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Within the overlying sediments strong clay alteration is widespread and affects pelites, sandstones and conglomerates. |
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The hydrothermal alteration of the samples varies from literally fresh rocks to true greenschist facies rocks. |
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Ty-pe 3 alteration occurs mainly in the contact zone between the Huntington Mountain pluton and East Bay Hills Group, suggesting its development during contact metamorphism. |
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The project geologist reports that mutiple zones of basalt containing quartz-carbonate veining, chlorite alteration and variable epidote and silicification were intersected. |
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For three centuries geographers copied his maps without alteration. |
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In later stages, human alteration of the landscape is clearly detectable due to the virtual explosion of cultigens, especially during the last 3 ka. |
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In previous research, the scientists found that this alteration is at least partially due to a change in the oxidation state of the chromium in this type of pigment over time. |
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The intersection is considered a separate reef system, named the Procyon Reef given the intensity of veining, a sulphide-rich wide quartz vein and similar strong alteration. |
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Thus, nodule mining could cause habitat alteration, direct mortality of benthic creatures, or suspension of sediment, which can smother filter feeders. |
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The most common cementing materials are silica and calcium carbonate, which are often derived either from dissolution or from alteration of the sand after it was buried. |
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Petrography and mineralogy will be necessary to determine the full history of alteration of the rocks in this drill hole as well as the paragenesis of the mineralisation. |
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He warns that these technologies introduce unprecedented new challenges to human beings, including the possibility of the permanent alteration of our biological nature. |
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Rock sample 2074 taken from Gossan Ridge contains abundant alunite, tremolite, tourmaline, goethite, and quartz alteration of amphibole bearing-alkali rhyolite. |
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This disbelief may also be the cause of alteration of Pytheas' data. |
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Tritanomaly would imply an alteration in the function of the S-cone. |
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The next day she issued a proclamation that there would be no alteration in the current state of religion and that her servants should not be molested or troubled. |
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Specific protein nitrations are associated with specific disorders, depending on the protein altered and the position of the alteration on the protein. |
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Drill hole CRE084 has only minor overlying sandstone alteration, but there is significant alteration in the basement within graphitic pelite units. |
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Later on in his life, in 1862, Faraday used a spectroscope to search for a different alteration of light, the change of spectral lines by an applied magnetic field. |
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With regard to the quillons, it was obvious that with slight alteration they might be made to protect the hand very much more than they did in their straight condition. |
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Within the deeper diorite unit, some intense sericite alteration was observed with arsenopyrite, pyrite and pyrrhotite, generally as selvedges to quartz veins. |
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Heavy minerals such as zircon have proved useful in establishing petrogenetic relationships because they are resistant to alteration and are almost ubiquitous. |
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The 1967 Act was the first alteration to this situation, but the Welsh Language Act 1993, was the first to put Welsh on an equal basis with English in public life. |
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This 480m zone of alteration is characterised by silicification, carbonation, veining and brecciation indicating an extensive mineralised hydrothermal system. |
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More severe disease with meningoencephalitic involvement may result in stiff neck, alteration in consciousness, gait disturbance, and other focal neurologic deficits. |
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The alteration consists primarily of a hematite, carbonate, albite, and sericite assemblage with the presence of pyrite being a strong indicator of the gold mineralization. |
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The Salto de Albi porphyry prospect is an oval shaped, Tertiary age intrusive, with associated chalcopyrite-bornite mineralization and intense potassic alteration. |
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The hematite and goethite occurrences are interpreted to result from alteration and enrichment of the magnetite-bearing BIF, particularly in areas of complex folding. |
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These in turn resulted in increased food resources for native species of fish with insignificant alteration of the macroinvertebrate community structure and trophic pathways. |
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The ligamentous alteration of patients with RA leads to joint instability, which may produce an early failure of the two-piece pyrocarbon implants. |
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Argillic alteration, silicification and gold anomalies have been identified over more than one kilometre along both sides of the north-trending incised river valley. |
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Most samples indicated widespread hydrothermal alteration consisting of argillic and potassic alteration and the formation of extensive quartz breccias. |
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Social change is an alteration in the social order of a society. |
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Anhydrite, potassium feldspar and magnetite as alteration minerals. |
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And although we feele it not, it is not to bee doubted, if a continuall ague may in the end suppresse our mind, a tertian will also breed some alteration in it. |
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This was the last major structural alteration to the cathedral to be made. |
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