2 edition of Dunnage and Gander zones, New Brunswick found in the catalog.
Dunnage and Gander zones, New Brunswick
Cees Roelof Van Staal
by New Brunswick Natural Resources and Energy, Mineral Resources in [Fredericton]
Written in English
|Statement||C.R. van Staal and L.R. Fyffe.|
|Series||Geoscience report -- 91-2, Geoscience report (Fredericton, N.B.) -- 91-2|
|Contributions||New Brunswick. Dept. of Natural Resources and Energy., New Brunswick. Mineral Resources.|
|The Physical Object|
|Pagination||ii, 39 p. :|
|Number of Pages||39|
Winchester, J.A., and van Staal, C.R. Volcanic and sedimentary terrane correlation between the Dunnage and Gander zones of the Canadian Appalachians and the British Caledonides reviewed. In Current perspectives in the Appalachian–Caledonian Orogen. Edited by J.P. Hibbard, C.R. van Staal, and P.A. Cawood. Geological Association of Canada. zones in New Brunswick, which are locally subdivided into smaller zones. This interpre- tation was largely adopted by Williams (, ) on the tectonic-lithofacies map of the Appalachian Orogen. According to Williams (), the boundary between the Dunnage and Gander zones in New Brunswick is drawn at the Rocky Brook-Millstream Fault.
The Dunnage Zone occurs in northern New Brunswick and is comprised of the allochthonous remnants of Iapetus ocean floor, arc and back-arc sequences and is underlined by the Grenville basement in the western part and by the Central lower crustal block in the eastern part (Whalen, Whalen et al.). The Gander Zone occurs in most of New Brunswick. In granites of the Gander zone of New Brunswick and Newfoundland, biotite has a mean Fe/(Fe + Mg) value of and shows a pronounced trend of increasing total Al ( to apfu), confirming significant contributions of aluminous supracrustal material to the magmas, either by .
DUNNAGE ZONE. Baie Verte Line; fault Notre Dame Subzone Red Indian Line; fault Exploits Subzone Dog Bay Line; fault. Eagle’s Vision location. Four (4) Major Tectonic Faults (Silurian collision of Ganderia and Laurentia along the Dog Bay Line) The Eagles Vision Property (Dunnage Zone 2E/04) is located in an area where Four (4) Major Faulting Events had occurred. beneath Gander Zone. Introduction The Avalon Zone of Williams () or Avalon Terrane of Williams and Hatcher () is a dis-tinctive tectonostratigraphic belt that underlies eastern Newfoundland, southeastern Cape Breton Island, and parts of northern Nova Scotia, southern New Brunswick and southeastern New England (figure 1).
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Land and New Brunswick show remarkable similarities. These characteristics should be reflected in zonal or terrane subdivisions of the Canadian Appalachians, and we therefore recombine the Dunnage and Gander zones/terranes into the Central Mobile Belt (CMB). In our interpretation, the CMB is a deformed Ordovi.
of the Exploits Subzone of the Dunnage Zone (Williams et al. ), thus obscuring the distinctiveness of the Gander and Dunnage zones. Elements of the Notre Dame Subzone of the Dunnage Zone, formed along the Laurentian continental mar - gin, are not exposed in New Brunswick but may occur in the.
Dunnage and Gander zones, New Brunswick: Canadian Appalachian Region. New Brunswick Department of Natural Resources, Minerals, Policy and Planning Division, Geoscience Report39 p.
Dunnage and Gander zones VAN STAAL, C.R. and LANGTON, J.P. Geology of Ordovician massive sulphide deposits and their host rocks in northern New Brunswick. Neodymium isotopic data effectively rules out Grenville New Brunswick book as a source for Humber-Dunnage granites.
Gander zone is apparently the autochthonous surface expression of a distinct lower crustal. the Gander zone) in the mid-Paleozoic along a steep transcurrent suture (Marillier et al., ).
In New Brunswick the Avalon zone is the basement of the Moncton Subbasin (cf. Figs. 2, 3). A summary of the geology and plate tectonic evolution of the Avalon zone in New Brunswick.
Book: All Authors / Contributors: J P Volcanic and sedimentary terrane correlation between the Dunnage and Gander zones of the Canadian Appalachians and the British G.R. Dunning, R. Hon --Mid-Paleozoic tectonic evolution of the appalachian Central Mobile belt in northern New Brunswick, Canada: Collision, extensional collapse and.
It is concluded that the Gander/Avalon Zone boundary in southern New Brunswick has controlled the development of subsequent basins, which have been deformed by Taconic and Acadian movements. Parallel geological development in the Dunnage Zone of Newfoundland and the Lower Palaeozoic terranes of southern Scotland: an assessment - Volume 83 Issue 3 - S.
Colman-Sadd, P. Stone, H. Swinden, R. Barnes. The most strongly-correlated chemical parameter is found to be Altotal. Finally, in the third manuscript, QSD analysis of specimens of muscovite from granites of the Gander zone in New Brunswick shows that the Mossbauer spectra of these dioctahedral micas fall into two distinct groups.
Upper Tremadoc arenites and shales of the Gander Zone that were deposited on the leading edge of the Gander margin (van Staal, ). Penobscot arc - back-arc volcanic rocks also occur in New Brunswick (Fig. 1) in the Ma Annidale (McLeod et al., ) and New. to In the granites of the Notre Dame arc of the Dunnage zone in Newfoundland, biotite has moderate mean values of Al (~ apfu) and Fe/(Fe + Mg) (~).
In granites of the Gander zone of New Brunswick and Newfoundland, biotite has a mean. – Central Zone:t @ g/t Au – AD Zone:t @ g/t Au g/t Au g/t Au 58 g/t Au The best example of an intrusion-related deposit in New Brunswick (and the Northern Appalachians for that matter) is the Clarence Stream gold deposit where a direct genetic relationship has been established between the gold.
In New Brunswick, from north-west to southeast, Lower Paleozoic tectonic zones include the Dunnage, Gander, and Avalon zones (Fig. The Dunnage and Gander zones collided during the closure of the Iapetus Ocean in Late Ordovician to Late Silurian time (Williams et al., ).
The Avalon zone was amalgamated with the Gander zone by. New e Brunswick a a T3-J1 D3-P O3-D1 Humber Dunnage Gander Meguma Avalon Map location Figure 1.
Regional geological map of southwestern New Brunswick (modified from New Brunswick Department of Natural Resources and Energy, ), showing the location of the gold occurrences discussed in this paper.
The Dunnage zone (Central Mobile belt) and equivalents in the United States are host to most of the VMS deposits in the Appalachian orogen, including those of the world-class Bathurst mining camp in New Brunswick (Goodfellow et al., ), and past-producing deposits of the Buchans min-ing camp (Thurlow, ).
The Dunnage zone also contains. Book Chapter Application of Pb Isotopes to Mineral Exploration in the Halfmile Lake Area, Bathurst, New Brunswick Author(s) A. Hussein A. Hussein Ottawa-Carleton Geoscience Centre, Department of Earth Sciences, Carleton University, Ontario, Canada KIS 5B6 Dunnage and Gander zones, New Brunswick, Canadian Appalachian region.
Humber zone) lower Paleozoic tectonomagmatic zones including Dunnage, Gander, and Avalon from northwest to southeast. The Humber Zone stretches across the Gaspésie, Quebec and northern New Brunswick and represents the western margin of the Iapetus Ocean, which was deposited over the Grenville lower crustal block (Whalen , Whalen et al.
). Abstract. The Appalachian Orogen is divided into five broad zones based on stratigraphic and structural contrasts between Cambrian–Ordovician and older rocks. From west to east, these are the Humber, Dunnage, Gander, Avalon, and Meguma westerly three zones fit present models for the development of the orogen through the generation and destruction of a late Precambrian – Early.
Island and New Brunswick into southern Quebec, and has been subdivided into several tectonostratigraphic zones that constitute a complex collection of micro-continents and associated volcanic arcs. From west to east, these are the Humber, Dunnage, Gander, Avalon and Meguma zones.
The Humber Zone represents the. Based on the USDA Hardiness Zone Map Designations, this interactive version covers the Province of New Brunswick which ranges from USDA Zone 3a to USDA Zone 6b.
What are Hardiness Zones, Gardening Zones, Growing Zones and Plant Zones. Hardiness Zones, Gardening Zones, Growing Zones and Plant Zones refer to defined geographic regions that can. In the absence, however, of more detailed structural work in both zones, a correla- tion on the basis of deformation characteristics is not undertaken at this stage.
Finally, it is noteworthy that in southern New Brunswick (Fig. 1), a similar relationship between Dunnage and Gander zone rocks exists (Van der Pluijm, a).Dunnage Zone. These allochthons are sharply truncated by a vertical fault boundary (Dover-Hermitage Faults) along the northwestern margin of the Avalon Zone.
The structure in the Avalon Zone of Newfoundland consists of gently folded horsts and grabens. This contrasts markedly with the complex structure of the Gander and Dunnage Zones. On the.In Field Trip Guide Book: Intrusion-related Polymetallic Deposits in southwestern and Central New Brunswick.
M.D., HALLIDAY, D.W., and O'DOWD, D.V. Detailed gravity traverses in the Appalachian Dunnage and Gander terranes, northern New Brunswick.
In Current Research, Part D. Geological Survey of Canada, Paper D, p. –