classification of metamorphic rocks
A classification of metamorphic rocks
... Gneissic rocks are generally coarse grained ✦ Most commonly used to describe high-grade metamorphic rocks such as gneisses Classification of Metamorphic Rocks Porphyroblastic means that a metamorphic ... A Classification of Metamorphic Rocks • Metamorphic rocks are classified on the basis of composition (either mineralogical or chemical) and ... chemistry of the protolith are keys to the formation of the new minerals in a metamorphic rock • What other parameters are important? • What are most important classes of protoliths? Textures of Metamorphic...
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Formation of metamorphic rocks
... with greater density Origin of Pressure in Metamorphism • III Classification of Metamorphic Rocks Can be classified by texture and composition A Foliated Metamorphic Rocks - rock has a layered ... Nonfoliated Metamorphic Rocks – - Does not have a banded texture - Most only contain one mineral Ex: Marble (calcite) parent rock = limestone & Quartzite Marble Marble - A Nonfoliated Metamorphic ... Regional Metamorphism – results in large-scale deformation and high-grade metamorphism II Agents of Metamorphism *A Heat – The most important agent Provides the energy needed to drive chemical...
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Lesson 2 classification of sedimentary rocks
... Classification of Sedimentary Rocks Sedimentary rocks usually originate in water environments, either oceans, lakes, or river beds Sedimentary rocks are grouped as; ... common and make up the majority of sedimentary rocks found on Earth’s surface Reference: Pages 159 - 173 ◆Three Classes of Sedimentary Rocks: 1.) Detrital sedimentary rocks ➨ Mechanical rock weathering ... Sedimentary Rocks Consist of solid particles from weathered rocks These rock fragments include pebbles, sand, silt and clay Rock fragments are a result of physical weathering These rocks usually...
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Báo cáo " Ar‐Ar age of metamorphic and mylonitic rocks in northern part of the Kon Tum massif: evidence for the Indosinian movement along shear zones between Kon Tum massif and Truong Son belt " doc
... relating to mineral parageneses observed in the metamorphic rocks and ductile deformation rocks. Then, ages of both rock types are discussed in conjunction with their metamorphic assemblages and degree of deformation. ... spectrum of this biotite (Fig. 5a) is composite Fig. 4. Age spectra of metamorphic rocks inside two ductile faults of Tra Bong shear zone. Vu Van Tich et al. / VNU Journal of Science, Earth Sciences 23 (2007) 253‐264 ... Fig. 5. Age spectra of deformed rocks at Tra Bong fault and metamorphic event in northern part of Kham Duc Formation. and presents a plateau of 243 Ma, calculated for 95 % of 39Ar released from the low temperatures. ...
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Chapter 3 the classification of clastic sedimentary rocks
... increasing the maturity of the sands (e.g., Colorado River, Rio Grande, Mississippi River) II Genetic Classification of sedmentary rocks Classification on the basis of how the rocks were deposited ... terms on the basis of different proportions of sediment within a given grain size Classification of Sandstones Most sandstone classifications are based on the composition of the rock Dott’s classificaton ... lithified deposits of storms influencing a shallow marine environment Independent of grain size or lithology Genetic classification of sedimentary rocks requires a knowledge of the depositonal...
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Báo cáo y học: "Classification of hip joint infections"
... the knee joint [8] This classification system consists of stages (Table 1) and combines intraarticular findings of the soft tissues as well as radiological alterations of the infected joint Infections ... site of an aseptic loosening of hip arthroplasties also in the assessment of infected total hip replacements The Paprosky- [7, 19], and the AAOS (American Academy of Orthopedic Surgeons) [5-6] classifications ... assessment is needed at the time of surgery Both classification systems allow for the prior choice of which prosthesis to use at the time of reimplantation, and which type of graft depending on whether...
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iec 60079-10 electrical apparatus for explosive gas atmospheres - classification of hazardous areas
... adjacent sources of release overlap and are of different zonal classification, the higher risk classification will apply in the area of overlap Where overlapping zones are of the same classification, ... Type of zone The likelihood of the presence of an explosive gas atmosphere and hence the type of zone depends mainly on the grade of release and the ventilation NOTE A continuous grade of release ... pressure and the geometry of the source of release The size of a cloud of flammable gas or vapour is determined by the rate of flammable vapour release and the rate of dispersion Gas and vapour...
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Tài liệu Báo cáo " DETERMINING FLOW ENERGY AND EROSION COEFFICIENT FOR CLASSIFICATION OF POTENTIAL EROSION IN BINH DINH PROVINCE " ppt
... CSIC, 1998) The results of erosion potential classification - Based on Binh Dinh profile’s file (Vietnam Association of Soil Sciences, 1997), values of K for 117 hill soil profiles throughout the ... coefficient 39 The method of erosion potential classification in Binh Dinh Province The classification of erosion potential M in Binh Dinh Province is based on the numerical value of the flow energy ... of erosion potential for all pixels of the four basins Table K values of main soil groups and classification by erosive characteristics Symbology Number of profiles Pc-h Speck aluvial soil Pc-fe...
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Tài liệu Gait Pattern Classification of Healthy Elderly Men Based on Biomechanical Data ppt
... developed of the Yl family in the (A) sagittal, is overlaid in bold distance of 8.7 and 13.7, respectively They form one family of 10 trials, El, and a smaller one, E2, of 6, all consisting of elderly ... center of a 10-m walkway to cover the volume required for at least one complete gait cycle of the right lower limb A third camera was placed in front of the subject and aligned along the axis of ... side), in terms of the effect of the combined 31 gait parameters The optimal number of clusters can be determined in several ways Winters and coworkers*’ calculated the criterion of Hartigan and...
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Tài liệu Đề tài " Classification of local conformal nets. Case c doc
... ρI (A(I))] of ρI , if I ⊃ I0 The (statistical) dimension d(ρ) of ρ is the square root of the index The unitary equivalence [ρ] class of a representation ρ of A is called a sector of A 2.1.2 ... cf [2]) is often difficult to prove by other methods Furthermore, the nondegeneracy of the braiding, also called modularity CLASSIFICATION OF LOCAL CONFORMAL NETS 495 or invertibility of the S-matrix, ... Thus, while our main result concerns nets of single factors, our main tool is the theory of nets of subfactors This is the key of our approach The outline of this paper is as follows We first identify...
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Tài liệu Diagnostic Standards and Classification of Tuberculosis in Adults and Children doc
... variability of the subjects vaccinated, the nature of the mycobacteria endemic in different parts of the world, the use of different strains of BCG for immunization, and the use of different doses of ... should be made of the technique of administration (Mantoux or multiple-puncture), the kind and dose of tuberculin, and the size of reaction in millimeters of induration D Interpretation of Skin Test ... concentration of a drug is the level of drug that inhibits the growth of most cells within the population of a “wild” type strain of tubercle bacilli without appreciably affecting the growth of the...
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Tài liệu Đề tài " The topological classification of minimal surfaces in R3 " pptx
... interior of W Let S denote the collection of ends of planes and catenoids defined above which arises from the collection of nonsimply connected components W of Hi − ∪Di It follows from the proof of ... ordering of ends The proof of the case where F has two limit ends is similar Let W be the set of closures of the components of H1 −∪D1 and H2 −∪D2 Given W ∈ W, let P(W ) be the collection of planes ... TOPOLOGICAL CLASSIFICATION OF MINIMAL SURFACES 687 two slabs each containing fewer ends of F Since the number of ends of F ∩ S is finite, the existence of the required collection of planes follows by...
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Tài liệu NASA’S MANAGEMENT OF MOON ROCKS AND OTHER ASTROMATERIALS LOANED FOR RESEARCH, EDUCATION, AND PUBLIC DISPLAY doc
... aware of most of these events, the Curation Office had not updated its records to reflect the status of the samples Of the 94 samples, of the meteorites were expected to be returned to NASA As of ... gave fragments from one of the last rocks collected from the Moon to foreign heads of state and each of the 50 U.S states as a symbol of goodwill During the final moonwalk of the Apollo missions, ... result of these deficiencies, NASA does not properly safeguard loaned materials, has little assurance of the location or continued existence of the loaned materials, and is at risk of losing more of...
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Tài liệu Báo cáo khoa học: Improving Classification of Medical Assertions in Clinical Notes" pdf
... data to measure the impact of each of the four subsets of features explained in Section Table shows the cross validation results when cumulatively adding each set of features Applying the 1-vs-all ... minority classes was weak For example, most of Present R Absent P R The micro-averaged F1-measure of our new system is 94.17%, which now outperforms the best official score reported for the 2010 i2b2 ... assertion classification task was tackled by participating researchers The best performing system (Berry de Bruijn et al., 2011) reached a micro-averaged F1measure of 93.62% Their breakdown of F1...
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Tài liệu Báo cáo khoa học: "Semantic Classification of Noun Phrases Using Web Counts and Learning Algorithms" ppt
... relations Over the set of semantic relations defined by Nastase and Szpakowicz (2003), they achieve an accuracy of 45.7% for the task of assigning one of semantic relations to each of the 600 modifier-noun ... motivation in this paper was twofold Firstly, we wanted to compare the performance of different machine learning algorithms on the task of mapping from a vector of web frequencies of paraphrases containing ... web frequencies for queries of the form “head joining term modifier” We did not collect queries of the form “modifier joining term head”; in the majority of paraphrases of noun phrases the head...
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The Classification of Pulmonary Tuberculosis and An Outline of Standardised Principles of Management pot
... respective localisations of the first lesion of primary and that of secondary disease In explanation of the localisation of the first lesion of primary disease in the absence of acquired resistance ... demonstration of the truth of this law is to be found in the study of a large series of cases (I have personally observed several hundreds) in which the course of the primary type of the disease ... develops in one of two ways, depending on the relative potency of the infecting dose on the one hand and the degree and rapidity of development of acquired resistance on the other The dose of bacilli...
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IN THIS ISSUE: CLASSIFICATION OF FINANCIAL ASSETS AND LIABILITIES UNDER IFRS 9 pot
... risk of the underlying pool of instruments This condition would be met in respect of a tranche if, for example, in the event of the underlying pool of instruments losing 50% as a result of credit ... management of a portfolio to realise fair value changes; management and evaluation of performance of a portfolio on a fair value basis; and trading intention (IFRS retains the IAS 39 concept of ‘held-for-trading’) ... are of a fund concluding that the management of a portfolio that was previously HTC is no longer consistent with the HTC business model following a change to an ongoing frequent level of sales of...
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Báo cáo khoa học: " Thumbs Up or Thumbs Down? Semantic Orientation Applied to Unsupervised Classification of Reviews" doc
... work is the relationship of accuracy of the estimation of semantic orientation at the level of individual phrases to accuracy of review classification Since the review classification is based ... p(word2) is thus a measure of the degree of statistical dependence between the words The log of this ratio is the amount of information that we acquire about the presence of one of the words when we ... rating out of five stars Table A summary of the corpus of reviews Domain of Review Number of Reviews Automobiles Honda Accord Volkswagen Jetta Banks Bank of America Washington Mutual Movies The...
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Nomenclature and Classification of Congenital Heart Disease doc
... relationships of the arterial trunks in space the position of the heart and the orientation of its apex Cardiac Description the segmental anatomy of the heart the classification of the cardiac ... Cardiac Description the segmental anatomy of the heart the classification of the cardiac lesion the description of the cardiac lesion Left and Right For cardiac chambers: ‘‘left’’ ... venous connection Hypoplastic left heart syndrome Ebstein’s anomaly Segmental System of Classification of Lesions of Congenital Heart Disease: Level I II III IV V VI Great veins Atria Atrioventricular...
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Application of the International Classification of Diseases to Dentistry and Stomatology Third Edition potx
... Dorsal surface of base of tongue Posterior third of tongue Malignant neoplasm of other and unspecified parts of tongue C02.0 Dorsal surface of tongue C02.0X Anterior two-thirds of tongue, dorsal ... Excludes: dorsal surface of base of tongue (C01) C02.1 Border of tongue C02.10 Tip of tongue C02.11 Lateral border of tongue C02.2 Ventral surface of tongue C02.2X Anterior two-thirds of tongue, ventral ... Malignant neoplasm of floor of mouth Excludes: ventral surface of tongue (C02.2X) C04.0 Anterior floor of mouth C04.1 Lateral floor of mouth C04.8 Overlapping lesion of floor of mouth [See note...
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