prograde metamorphism of shale and the classification of metamorphic rocks

... PROBLEMS OF THE BURGESS SHALE -the ORIGIN OF THE BURGESS FAUNA -the DECIMATION OF THE BURGESS FAUNA CHAPTER IV Walcott's Vision and the Nature of History -the BASIS FOR WALCOTT'S ALLEGIANCE TO THE ... expresses the duality of our wonder at the beauty of the organisms themselves, and at the new view of life that they have inspired _Opabinia_ and company constituted the strange and wonderful life of ... history, and the primary criterion of order in the domain of contingency is, and must be, chronology The reinterpretation of the Burgess Shale is a story, a grand and wonderful Page story of the highest...

Ngày tải lên: 08/04/2014, 00:54

... A Classification of Metamorphic Rocks • Metamorphic rocks are classified on the basis of composition (either mineralogical or chemical) and texture Mineralogy and Chemistry • Mineralogy 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 ... as feldspar and quartz ✦ Gneissic rocks are generally coarse grained ✦ Most commonly used to describe high-grade metamorphic rocks such as gneisses Classification of Metamorphic Rocks Porphyroblastic...

Ngày tải lên: 30/11/2016, 15:31

... 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 or banded appearance ... A Contact Metamorphism – hot magma moves into rock B Regional Metamorphism – results in large-scale deformation and high-grade metamorphism II Agents of Metamorphism *A Heat – The most important ... Metamorphism *A Heat – The most important agent Provides the energy needed to drive chemical reactions - The heat comes from magma and the change in temperature with depth *B Pressure (Stress)...

Ngày tải lên: 30/11/2016, 16:34

... are a function of P, T and rock & fluid compositions (X) at time of the reaction • Used to define metamorphic zones • Demonstrates progress of metamorphism REGIONAL METAMORPHISM OF SHALES LOW GRADE ... THE ROCK CYCLE Metamorphic rocks: typically complex Pressure indicated by fabric (foliation) Heat indicated by growth of new minerals/crystals Metamorphic Rocks Two major types of metamorphism ... original rock (X), P, and T ISOGRADS: lines on a geological map showing locations of first appearance of index minerals Increasing grade Record of sets of P-T-X conditions in the metamorphic reaction...

Ngày tải lên: 30/11/2016, 15:37

... grave for the LPE experiments because of the ceiling effect and the small size of the complete data set, therefore, we did not rerun the corresponding experiments Furthermore, the number of codebook ... feature selection and evaluation and give a brief description of the algorithms used We then report on the results of the two suites of experiments 5.1 Feature S e l e c t i o n The set of all potential ... parameters for the various learning algorithms as well as on the contribution of POS and punctuation information to classification accuracy The experiments on the complete corpus, on the other hand, focus...

Ngày tải lên: 22/02/2014, 03:20

... change the type of the disease, although they may modify its form and influence its extent and activity The extent and activity of the lesions vary directly with three of the fundamental factors of ... the prevalence of the factor of infection on one hand and the factor of resistance on the other These two factors are the essential elements in an epidemiological classification They must be clearly ... quantity of bacilli, virulence of bacilli, and hypersensitivity; and they vary inversely with the two fundamental factors, natural and acquired resistance The greater the quantity and virulence of the...

Ngày tải lên: 06/03/2014, 04:20

... report was prepared for the Office of the Secretary of Defense (OSD) This research was conducted under the auspices of the Forces and Resources Policy Center of the RAND National Defense Research ... funded research and development center sponsored by the OSD, the Joint Staff, the Unified Combatant Commands, the Department of the Navy, the Marine Corps, the defense agencies, and the defense Intelligence ... of how the racial and ethnic distribution of officers Officer Classification and the Future of Diversity Among Senior Military Leaders Figure 1.1 Racial/Ethnic Distribution in the Enlisted, Officer,...

Ngày tải lên: 06/03/2014, 21:20

... for patients and carers • The full guideline – all the recommendations, details of how they were developed, and summaries of the evidence they were based on For printed copies of the quick reference ... designated contact In the context of this guideline: All affected relatives must be on the same side of the family and be blood relatives of the woman and each other In cases of bilateral breast ... testing and mutation finding, including details of what the tests mean and how informative they are likely to be, and the likely timescale of being given the results • Information about the risks and...

Ngày tải lên: 15/03/2014, 00:20

... contributions WWC, LXL and WLL participated in the design and coordination of the study, HSW and TDL participated in the data collection, SX and JY revised the manuscript, WH and BZG performed the statistical ... Histological appearance and echocardiogram of the MV and chordae tendineae A: Myxomatous degeneration The structure of the valve is crumbly and the main changes are myxoid degeneration and no inflammation ... enhancement, and vegetation, as well as being combined with AV damage The incidence of extended subvalvular chordae in the myxomatous group was higher than that in the other groups, and the incidence of...

Ngày tải lên: 10/08/2014, 09:22

... economic benefit of the asset The future economic benefit defines in the accounting standards is the reduction of the outflow of cash or cash equivalent, and the increase of the inflow of the cash or ... about the value of asset, the organisation shall also be able to quantify the future benefit of the assets into the monetary unit In the accounting standards, the value of the asset reflects the ... stated in most of the standards that are related to the recognition of the expenditure as the asset or the subclass of asset In the Australian Accounting Standard AASB 116 and the International...

Ngày tải lên: 10/12/2016, 22:57

... child of Union punishes its mother from within and threatens its father, too, ‘‘across the water’’ () The ‘‘legacy’’ () of force and violence, the poem suggests, is more of the same: the crossing ... suspicious – not of the fact of conquest the poem describes, but of the sexualized and gendered binary it superimposes on the colonial relation, and of its attendant use of rape as a metaphor of imperial ... concerns of theorists and critics working in a wide variety of specific contexts – the creation of otherness as a material agent of imperial rule, the place of language as a site of both domination and...

Ngày tải lên: 21/09/2012, 10:39

... the food stocks, and the mood of the garrison The tactics of the Daily Mail captured the attention of the nation; the newspaper dramatized the situation of the town by emphasizing the danger that ... examine both the role of the press in the formation of public opinion about imperialism and the role of the press in the formation of the concept of public opinion itself Mafeking Night marks the powerful ... powerful beginning of the New Journalism at the same time as it marks the beginning of the end of the New Imperialism The coincidence of these occasions arises from the nature of the South African...

Ngày tải lên: 21/09/2012, 10:54

... humanity, with the spread of the Gregorian calendar and the heliocentric idea of the world The ‘incipient phase’ began in the mid-eighteenth century and ended in the 1870s The concept of the unitary ... and the proper domain of the United Nations Many commentators write of the decline of the nation-state, in the face of the transference of national sovereignty to such structures as the UN, the ... the rise of the state 6.1 The birth of the state 6.2 Legal diversity and universality in the emerging European states 6.3 The decline of the Christian commonwealth 6.4 The arrival of the state...

Ngày tải lên: 21/09/2012, 10:54

... conservative propaganda, and with the break up of the radical associations and the consequent erosion of the links between these organisations and other intellectual currents and circles, the conditions ... by enlightening the understanding, and uniting the sentiments and views of men and of nations, forms a concert of wills, and a concurrence of action too powerful for the armies of tyrants’ (2 ... from the superstitions of the weak, and the imposing craft of the subtle’ (323) Thomas Holcroft placed a similar emphasis on the art of printing’ in the defence of this progressivist vision of...

Ngày tải lên: 21/09/2012, 11:00

... the same base as the segment and an equal height.3 Later, theorems worthy of mention suggested themselves to us, and we took the trouble of preparing their proofs They are these: first, that the ... the center of the sphere, I call the figure internally contained by the surface of the cone, and by the surface of the sphere inside the cone, a “solid sector.” /6/ And when two cones having the ... See the following note on purpose and practices of the critical edition of diagrams 2.3 Purpose and practices of the critical edition of diagrams The main purpose of the critical edition of diagrams...

Ngày tải lên: 21/09/2012, 11:00

... of individual, hand-to-hand combat Grand strategy, on the other hand, remained the preserve of Tiw.11 In India, too, much the same phenomenon was apparent in the role of Indra, the chief of the ... the mainstream of legal analysis, largely as a result of the crumbling of older conceptions of legitimacy and the rise of new aspirations for democracy and the self-determination of peoples The ... testimony both to the warlike character of the Greeks and to their feeling of cultural unity, the cities of the Amphictyonic League of Delphi agreed that, in the event of war, the combatant states...

Ngày tải lên: 21/09/2012, 11:02

... creating and advancing liquidity to producers; along the circuit, the financial system governs the supply and demand of funds and, at the end of the process, it determines the condition for the closure ... institutions and strengthen the complementarity between the formal and the informal sectors The poorest people of rural and urban societies live beyond the frontier of formal finance, or outside the formal ... affected by the creation and use of fiat-money Crucial to this purpose is the functional separation that the theory operates between banks and firms The macroeconomic focus of the theory, however,...

Ngày tải lên: 24/10/2012, 09:33

... zero even at the 95% level in Canada, Finland, the Netherlands, Norway, Sweden, Switzerland, the UK and the US Moreover, while in some countries, (including Finland, the UK and the US) residential ... also for these countries the existence of cointegration could not be rejected We therefore specify the VAR models in the level of the variables Nevertheless, we neither impose the number of cointegrating ... to offset the macro economic effects of the collapse of the bubble).2 Of course, it is by no means clear that central banks are better able to judge the appropriate level of asset prices and the...

Ngày tải lên: 24/10/2012, 09:40

... kinds: + The change of consumer-demand modal, market and the attitude to the availability and diversity of goods + The pressure of reducing cost + The development of Information technology + The pressure ... learning and expanding With their experiences, they have learned the value of offering quality services In the way of growing, they have also open branches to establish a worldwide presence These ... The Association has the role of coordinating the activities of the members in order to protect the interests of the members and improve the position of Vietnam in the international freight forwarding...

Ngày tải lên: 27/10/2012, 16:42

... the amount consumed in lians (50g/lian) per unit of time A lian is the unit of weight in China equivalent to 50 g The reproducibility and validity of the FFQ was assessed in a random sample of ... For other participants the average of the baseline and follow-up FFQ data were used in the analyses The average daily intake of individual food items (g/day) was combined to compute intake of red ... knowledge there are no other reports of a direct link between poultry consumption and risk of diabetes or of interactions between poultry consumption and BMI and the risk of type DM Red meat consumption...

Ngày tải lên: 31/10/2012, 16:49