Granulite PowerPoint PPT Presentations

PlagioclaseHornblende Actinote Dis Sil And FACIES GRANULITE Dis Sil And Pyrox ne Plagioclase Min raux anhydres Hornblende SCHISTES BLEUS ...

Almandine Spessartine. Grossular Andradite. Pyrope. Garnet ... Almandine-Pyrope in Granulitic gabbro. Almandine rich garnet in mylonitic zone and ...

... be seen in places escaping' from the rock) leaving a granulite residue ... Alternative Model for Archean Boninites and Related Rocks. Arculus et al. (1992) ...

Metamorphic rocks undergo deformation during their crystallization as a result ... A mosic of fine to coarse grained anhedral grains, such as marble and granulites ...

P-T-t Paths and Their Significance Metamorphic Field Gradient Trend of Thermal Maxima Across Metamorphic Facies Clockwise P-T-t Path P-T-t Path Reflecting Crustal ...

Metamorphic Rocks, Part 2 HIGHER-GRADE REGIONAL METAMORPHICS Gneiss and Eclogite * * Augen Gneiss Augen gneiss is a variety containing large eye shaped grains (augen ...

METAPELITIC REACTIONS AND FACIES Metapelitic Zones Metapelitic Zones and Facies Aluminosilicate Minerals and Metamorphic Facies Greenschist Facies Chlorite and ...

HIGHER-GRADE REGIONAL METAMORPHICS ... Eclogite is basalt which has been ... Minerals from Hydrothermal Alteration Economic Deposits in ...

Chapter 25. Metamorphic Facies and Metamorphosed Mafic Rocks V.M. Goldschmidt (1911, 1912a), contact metamorphosed pelitic, calcareous, and psammitic hornfelses in ...

An Introduction to UPb Geochronology

Lecture notes on Metamorphic Petrology Author: Dr. Mahrous Abu El-Enen ... -2- Metabasites at the greenschist and amphibolite facies conditions ...

Origin and composition of the lower crust of Europe

Williams, M.L., Cleveland, M., Condit C.D. University of Massachusetts-Amherst ... Upper Granite Gorge, Grand Canyon. Upper Granite Gorge, Grand Canyon ...

PowerPoint Presentation ... AFM Diagram

PTtime in highgrade rocks

Melange. Melange. Coesite in Quartz. Not very dramatic. Rare. Relict in inclusions, often in garnet ... Ugrandite Series (Ca Fe-Al-Cr) Gossularite ...

... petrogenetic grid for metamorphosed mafic rocks showing the location of several determined univariant reactions in the CaO-MgO-Al2O3-SiO2-H2O-(Na2O) system ...

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International Gupta Style

More Ca-rich plagioclases become progressively unstable as T lowered ... pressure-temperature-time paths based on a crustal thickening heat-flow model. ...

Metamorphic Facies: Reminder of principle metamorphic changes: 1/ Recrystallization changes in grain size responding to T & P changes. Coarsening of grains is common ...

Seismotectonics of Southeast Asia

Adapted from Davidson (1998) 40km. N. Terranes and shear zones. MSZ ... From Davidson (1998) An overview of the Grenville Province Geology, Canadian Shield. ...

T-X phase diagram of the system albite-orthoclase at ... of several determined univariant reactions in the CaO-MgO-Al2O3-SiO2-H2O-(Na2O) system ( C(N)MASH ...

... Linking the development of these zircon zones with important reactions or processes occurring in the rock Monazite Dating ... method of dating High ...

Solid-State Microstructures Metamorphic rocks form the minerals that have the stable lowest energy paragenesis under the conditions of formation & generally also have ...

It could be also include the basic variety of intermediate igneous rocks. Basic igneous rocks are made up essentially of Ca-plagioclase and augite and may ...

Title: Gifted Education Section Curriculum Development Institute, Education Bureau Author: Hon Chim Chiu

Garnet Isograd. Continuous reaction type (over a range of P-T) ... This is the garnet isograd for almost all common metapelites. P,T ... Isograd ...

Title: Geochemistry 303 Author: bigred Last modified by: roger powell Created Date: 2/25/2003 5:01:04 AM Document presentation format: A4 Paper Company

The Proterozoic Eon and the Early Paleozoic

Chapter 15B Proterozoic Terrane 2.5 to 0.57 Gy old Basaltic intrusions Anorthosite massifs Linear belt overprints Basaltic Intrusions Dike swarms are common Suggest ...

ERTH 2002

... epidote albite actinolite quartz titanite. Epidote amphibolite ... Albite-epidote hornfels facies: biotite muscovite chlorite albite quartz ...

Mineral composition or texture of the rock is changed by heat, ... migmatite. Nonfoliated metamorphic rocks. Marble from limestone. Quartzite from sandstone ...

On The Significance Of Tectonic Underplating Beneath Continental Margins

Calcareous and Ultramafic Rocks Reading: Winter Chapter 29 Calcareous Metamorphic Rocks Calcareous rocks are predominantly carbonates, usually limestone or dolostone ...

Metamorphic Rocks, Part 4 CONTACT AND DYNAMIC METAMORPHIC ROCKS Hornfels, Skarns, Talc-Tremolite Schist, and Epidosite * * Dynamic Metamorphic Rocks Dynamic ...

The igneous rocks are classified according to IUGS system. ... Marl (lime mud) metaquartizites. quartzite. Quartz-sand (Qtz arenites) metapsammopelites ...

... for common tectonic scenarios. P-T-t paths for common tectonic scenarios ... P-T-t paths for common tectonic scenarios. Crustal thickening. Shallow magmatism ...

Antilles. K. H. James 07. Cayman. Trough. Cayman. Ridge. Grenada ... Antilles. Chorotega Block. Choc Block. Gulf of Mexico. Colombia Basin. Venezuela Basin ' ...

Chapter 5. Geochemical Zoning in Metamorphic Minerals Introduction Major element zoning: e.g. Garnet (a) growth zoning; (b) diffusion zoning. 3. Trace element zoning ...

Different protoliths will yield different mineral assemblages at = P-T conditions ... After Carmichael (1970) J. Petrol., 11, 147-181. ...

Monazite geochronology

Title: PreCambrian Author: Charles L. Smart Last modified by: Chuck Created Date: 11/19/2004 1:04:05 PM Document presentation format: On-screen Show (4:3)

The Structure Update

Neotectonics - upper crustal response to plate margin processes ... A record (relict fragments) of plate(s) of the Pacific that are interacting with ...

THE WEST MUSGRAVE: A POTENTIAL WORLD-CLASS NI-CU-PGE SULPHIDE AND IRON OXIDE CU-AU PROVINCE? ... This coincides with a lack of exposure with thin regolith cover ...

THE PRIMORDIAL EARTH Hadean and Archean Eons Evidence of Anoxia Lack of oxidized iron in the oldest sedimentary rocks. Urananite and pyrite are readily oxidized today ...

Metamorphic Reactions * * Fig. 26-2 with the equilibrium curve contoured for various values of pH2O Figure 26-2. P-T phase diagram for the reaction Ms + Qtz = Kfs ...

A good name is a concise way of imparting information about a rock * * * * * * * * * Granofels(ic) texture is then a texture characterized by a lack of preferred ...

2) Super Continent cyclisity (?) and Wilson cycle tectonics ... advection and diffusion, lithospheric flexure and sediment. compaction. ...

Island Arcs and other terranes accrete as. intervening ocean crust is subducted ... Shark Bay Australia. Formed in hypersaline areas where grazing gastropods ...

One of the primary goals of metamorphic petrology is to interpret P-T ... Albite-epidote hfls. Hornblende hfls. Pyroxene hfls. Sanidinite. 1. Pyroxene hornfels ...

Chapter 28: Metamorphism of Pelitic Sediments Mudstones and shales: very fine grained mature clastic sediments derived from continental crust Characteristically ...

3/ Development of oriented fabric A pervasive planar fabric defined by parallel ... extended this study and introduced the concept of an isograd which is a contour ...