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Thursday, November 12, 2020 | History

2 edition of Relations between metamorphism and magmatism near Cheticamp, Cape Breton Island, Nova Scotia found in the catalog.

Relations between metamorphism and magmatism near Cheticamp, Cape Breton Island, Nova Scotia

K. L. Currie

Relations between metamorphism and magmatism near Cheticamp, Cape Breton Island, Nova Scotia

  • 302 Want to read
  • 23 Currently reading

Published by Energy, Mines and Resources Canada in [Ottawa] .
Written in English

    Places:
  • Nova Scotia,
  • Cheticamp Region.
    • Subjects:
    • Metamorphism (Geology) -- Nova Scotia -- Cheticamp Region.,
    • Magmatism -- Nova Scotia -- Cheticamp Region.

    • Edition Notes

      Bibliography: p. 56-60.

      StatementK.L. Currie.
      SeriesPaper / Geological Survey of Canada ;, 85-23, Paper (Geological Survey of Canada) ;, 85-23.
      Classifications
      LC ClassificationsQE185 .A42 no. 85-23, QE475.A2 .A42 no. 85-23
      The Physical Object
      Pagination66 p. :
      Number of Pages66
      ID Numbers
      Open LibraryOL2468507M
      ISBN 100660125137
      LC Control Number87178994

      – The rocks near the pluton are often high- • Overprint may be due to: – Lag time between the creation of the magma at depth during T maximum, and its migration to the lower grade rocks above – Plutonism may reflect a separate phase of post-orogenic collapse magmatism Contact Metamorphism Pyrometamorphism Very high temperatures at.   A synthesis of Carboniferous stratigraphy - Cape Breton Island, Nova Scotia, with new data from southwestern Cape Breton Island P.S. GILES (1), R.D. NAYLOR (2), AND P.J TENIERE (3) (1.) Natural Resources Canada, Geological Survey of Canada (Atlantic), P.O. Box , Dartmouth, NS B2Y 4A2, Canada (2.).   One final observation. It would be nice if there was a simple relationship between the processes of metamorphism and the rocks produced. For example, if all schist rocks were produced by the same kind of metamorphism. Or, if a particular kind of metamorphism produced rocks not found in any other kind of metamorphism.


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Relations between metamorphism and magmatism near Cheticamp, Cape Breton Island, Nova Scotia by K. L. Currie Download PDF EPUB FB2

Add tags for "Relations between metamorphism and magmatism near Cheticamp, Cape Breton Island, Nova Scotia". Be the first. Cheticamp River, Inverness and Victoria Counties, Cape Breton Island, Nova Scotia.

Geological Survey of Canada Preliminary Map Pleasant Bay map area, Nova Scotia. ELSEVIER Precambrian Research 71 () Premmbrion Reseorth Relationships between magmatism, metamorphism and deformation in the western Mount Isa Inlier, Australia Karen A.

Connorsa,l, Rodney W. Pageb "Victorian Institute of Earth and Planetary Sciences, Department of Earth Sciences, Monash University, Clayton, Vic. Australia bAustralian Cited by: of Activities ; Nova Scotia Department of Natural Resources, Report MEp.

89 Progress Report on Geological and Geochronological Studies in the Cheticamp Area, Aspy Terrane, Cape Breton Island, Nova Scotia C. White, J. Shute1, G. Sombini dos Santos1, S. the relationship between magmatism, deformation, and metamorphism during the acadian orogeny: a case study from the knox mountain pluton, green mountains, vermont LAGOR, Samuel, Department of Geology, University of Vermont, Colchester Ave, Burlington, VT and WEBB, Laura E., Dept.

of Geology, University of Vermont, Burlington, VT Author: Samuel Lagor. The Nova Scotia book. Ga magmatism and metamorphism in the northern Gawler Craton was part of a widespread event at ca. – Ga in the NAC and SAC that involved shear zone reactivation, magmatism and rift basin development and is considered to indicate a dominantly extensional event in proto-Australia at that time.

Relations between metamorphism and magmatism near Cheticamp, Cape Breton Island, Nova Scotia. Geological Survey of Canada, Paper Quaternary geology, Cape Breton Island, Nova Scotia. Preliminary Geology And Related Mineral Potential Of The Cheticamp Area, Cape Breton Island, Nova Scotia Lisa Slaman Chris E.

White, and Sandra M. Barr 12 1, 1 Department of Earth and Environmental Science, Acadia University, Wolfville, Nova Scotia B4P 2R6. Currie, K. Relations between metamorphism and magmatism near Chéticamp, Cape Breton Island, Nova Scotia; Geological Survey of Canada, Paper66 p.

Dallmeyer, R. and Keppie, J. 40 Ar/ 39 Ar mineral ages from the southern Cape Breton. Tectonic stacking of metamorphic zones in Cheticamp River area, Cape Breton Highlands, Nova Scotia Article in Canadian Journal of Earth Sciences 21(11) February with 1 Reads.

Magmatism and Metamorphism The Ultramafic Belts ONE petrological approach to upper man­ tle studies is to determine which ultramafic rocks represent mantle material.

Nova Scotia book Ultramafic rocks occur in a variety of field and petro­ graphic associations: in recent. Age and tectonic setting of granitoid plutons in the Chéticamp belt, western Cape Breton Island, Nova Scotia, Canada. L.R. Slaman, a S.M.

Barr, a C.E. White, b D. van Rooyen c. a Department of Earth and Environmental Science, Acadia University, Wolfville, NS B4P 2R6, Canada. b Nova Scotia Department of Natural Resources, BoxHalifax, NS. The oldest rocks exposed in Cape Breton Island occur in the Blair River Complex, and include the Red River anorthosite dated at ± 2 Ma and ± 6 Ma (discordant Pb/ Pb in zircon), + 4/−3 Ma (U Pb in titanite), and ± 2 Ma (U Pb in rutile) interpreted as minimum ages for crystallization, metamorphism, and cooling respectively (Miller et al., ; Miller and Barr, ).

Field relations, structure, and geochemistry of the Fisset Brook Formation in the Lake Ainslie - Gillanders Mountain area, central Cape Breton Island, Nova Scotia Article Full-text available.

The movement of tectonic plates transports sediment and rocks into different geologic setting—these changes can result in metamorphism, particularly in zones where tectonic plates are converging, as in a subduction zone or where continental plates converge, pushing up high mountain ranges while material below the mountains are pushed down under increasing temperature and pressure condition.

ELSEVIER Precambrian Research 76 () Pre(umbriun Reseurth Ma magmatism in Cape Breton Island (Nova Scotia, Canada)" the product of NW-dipping subduction during the final stage of amalgamation of Gondwana J.

Dostal a, J.D. Keppie b, B.L. Cousens c, J.B. Murphy b "DepartmentofGeology, Saint Mary's University, Halifax, N.S. B3H 3C3, Canada b. Relationship between the Aspy and Bras d'Or "terranes" in the northeastern Cape Breton Highlands, Nova Scotia February Canadian Journal of Earth Sciences 30(9) Currie KL () Relations between metamorphism and magmatism near Cheticamp, Cape Breton Island, Nova Scotia.

Geol Surv Can Pap 85– 66 Google Scholar Currie KL () The western end of the Avalon zone in southern New Brunswick. The relationship among Rb, Nb and Y indicates that the felsic rocks have vol- LATE PROTEROZOIC FELS1C VOLCANIC ROCKS, CAPE BRETON ISLAND, NOVA SCOTIA 41 0 3 4oo -(b) (a) COXHEATH COXHEATH dr~ 0 I I I I I I I 0 I I I I I I I 68 70 72 74 76 -/8 80 82 68 70 72 74 76 78 80 82 Si02 % Si02 Fig.

Magmatism and metamorphism in a Grenvillian fragment: u-Pb and 40 Ar/ 39 Ar ages from the Blair River Complex, Northern Cape Breton Island, Nova Scotia, Canada.

Geological Society of America Bulletin Crossref, ISI, Google Scholar. Metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (), without the protolith melting into liquid magma (a solid-state change).

The change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. The chemical components and crystal structures of the minerals making up the rock may change even. Metamorphism, Magmatism/Igneous and Crustal Evolution.

Metamorphic petrology, U-Pb geochronology and isotope tracing; This research has concentrated on understanding high-temperature processes involved in continental evolution through: a) obtaining geochronological and isotopic constraints on the evolution of high-grade, polymetamorphic terrains; b) petrological and mineral-scale.

Low-grade metamorphism takes place at temperatures between about to o C, and relatively low pressure. Low grade metamorphic rocks are characterized by an abundance of hydrous minerals (minerals that contain water, H 2 O, in their crystal structure).; Examples of hydrous minerals that occur in low grade metamorphic rocks.

Compilation of published and new data on the distribution, timing, and composition of igneous rocks, ore deposits, and metamorphic rocks in the east-central Great Basin reveals systematic relations among Cretaceous magmatism, mineralization, metamorphism, and deformation.

Metamorphism occurs between ___ and ___ Solid. Metamorphism occurs in this state. texture, minerology. Protoliths undergo changes in ___ and ____ Texture, minerals, foliation.

How to tell if a rock is metamorphic. Metamorphic texture. minerals grown in situ and interlock. Metamorphic minerals. Additional subsidence also occurred in eastern Cape Breton Island, and in the Sydney subbasin between Cape Breton Island and Newfoundland.

We have accommodated a portion (20 km) of the total strike slip through this region, representing it by strike slip along the Mira‐Bras d'Or boundary (Georges River fault) in Cape Breton Island (though we.

often referred to as high temperature, low pressure metamorphism because the temperature contrast between the surrounding rock and the intruded magma is larger at shallow levels in the crust where pressure is low.

Rocks which typically form as a result: marble, quartzite, hornfels. The boundaries for his zones were based on the first appearance of a particular mineral, called an index mineral, which is characteristic of the boundaries were later called isograds (equal grade) and likely represent surfaces in a three dimensional sense.

He called the zone of lowest grade rocks the "zone of digested clastic mica," but Tilley, mapping the area inrenamed this. Most metamorphism results from the burial of igneous, sedimentary, or pre-existing metamorphic to the point where they experience different pressures and temperatures than those at which they formed (Figure ).

Metamorphism can also take place if cold rock near the surface is intruded and heated by a hot igneous body. The term metamorphism refers to changes in a rock’s mineral compositions where the geochemical composition stays mostly the same with the exception of volatile losses (usually water is expelled or at least necessary as an intermediary to enable an.

Metamorphism and Plate Tectonics. Metamorphic rocks result from the forces active during plate tectonic processes. The collision of plates, subduction, and the sliding of plates along transform faults create differential stress, friction, shearing, compressive stress, folding, faulting, and increased heat flow.

Removing #book# from your. Although earlier studies proposed a lithologic correlation between rocks in northern Cape Breton Island (defined as the Blair River inlier) and basement rocks of western Newfoundland (e.g., [8, 9]), subsequent tectonic division models considered Cape Breton Island to be part of the exotic Avalon terrane [10–12].On the other hand, Barr and Raeside [] revived the correlation of the Blair River.

Metamorphism, mineralogical and structural adjustments of solid rocks to physical and chemical conditions differing from those under which the rocks originally formed.

Changes produced by surface conditions such as compaction are usually excluded. The most important agents of metamorphism.

Metamorphism, Magmatism/Igneous and Crustal Evolution; Fossielrekords; Spoor metaal geochemie; Ekonomiese Geologie en mineraal Geochemie; Kors vervorming; Studente. Nagraadse. Potensiële honneurs projekte; Voornemende internationale studente; Voornemende nagraadse studente; Voorgraadse. Kursus struktuur; Vakke; Veld ekskursies; Voornemende.

Regional metamorphism, as its name suggests, works over much larger areas. Typically, a regionally metamorphosed area is situated under a fold/thrust mountain range or along a boundary between tectonic plates.

Each type of metamorphism generates distinct rock types. Contact processes work by raising the local temperature and producing hornfels.

The metamorphism in Nova Scotia’s Meguma Terrane is just one example of the nature of regional metamorphism. Obviously many different patterns of regional metamorphism exist, depending on the parent rocks, the geothermal gradient, the depth of burial, the pressure regime, and the amount of.

Define metamorphism. List and describe the agents of metamorphism. Describe the textures of metamorphic rocks. List the most common metamorphic rocks and how they are classified.

Describe the three environments of metamorphism. Explain the relationship between metamorphism and plate tectonics.

Introduction. Metamorphic rocks are "changed rocks. Metamorphism Occurs Between Diagenesis And Melting. Metamorphism is the change that takes place within a body of rock as a result of it being subjected to high pressure and/or high temperature.

The parent rock or protolith is the rock that exists before metamorphism starts. New metamorphic rocks can form from old ones as pressure and temperature progressively increase.

Other articles where Dynamic metamorphism is discussed: metamorphism: Dynamic metamorphism, or cataclasis, results mainly from mechanical deformation with little long-term temperature change.

Textures produced by such adjustments range from breccias composed of angular, shattered rock fragments to very fine-grained, granulated or powdered rocks with obvious foliation and lineation.

Hence this study was undertaken to describe the rock types that form Cape Porcupine, determine their age, and compare them to other "basement" rocks in northern mainland Nova Scotia and adjacent parts of Cape Breton Island.

A fault-bounded metasiltstone unit occupies the central area of. Pene-contemporaneous high-grade metamorphism, granitic magmatism and core complex development in the Liscomb Complex, Nova Scotia, Canada: evidence of the granulite-granite connection.

Arc magmatism I: Relationship between tectonic evolution and petrogenesis. Geoscience Canada, v. Ma magmatism in Cape Breton Island, (Nova Scotia.5. Effects of fluids- hot water (as vapor) is most important.

As temps rise water is released from unstable minerals. During metamorphism water transports pre-existing ions between mineral grains 6. Time- metamorphism takes millions of years, longer times = larger minerals & increased foliation.Metamorphism is a substantive change in mineral composition and/or texture in a rock as a response to one or more of the following: higher temperatures, higher pressures, and contact with metamorphic fluids (water-dominated solutions at elevated temperatures and pressures that contain dissolved, silicate mineral components).