1-20 OF 200 RESULTS FOR

Mira Terrane

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Published: 24 July 2013
Journal of the Geological Society (2013) 170 (5): 769–784.
...A. P. Willner; S. M. Barr; A. Gerdes; H.-J. Massonne; C. E. White Abstract Laser ablation inductively coupled plasma mass spectrometry U–Pb and Lu–Hf isotope analyses of detrital zircon from Neoproterozoic–Cambrian clastic sedimentary rocks in the Mira terrane (Cape Breton Island, Nova Scotia...
FIGURES | View All (8)
Journal Article
Published: 05 January 2012
Canadian Journal of Earth Sciences (2012) 49 (1): 359–378.
... the abundant vein networks of the Mira terrane, Cape Breton Island. Six categories of vein assemblages — from oldest to youngest — are present: ( i ) quartz–albite, ( ii ) quartz–epidote, ( iii ) quartz, ( iv ) quartz–chlorite–calcite, ( v ) quartz–calcite, and ( vi ) calcite. Vein system temperatures were...
FIGURES
Journal Article
Published: 01 September 1990
Canadian Journal of Earth Sciences (1990) 27 (9): 1200–1208.
...S. M. Barr; G. R. Dunning; R. P. Raeside; R. A. Jamieson Abstract U–Pb dates from zircon, titanite, and monazite in plutons of the Bras d'Or and Mira terranes of southern Cape Breton Island, combined with 40 Ar/ 39 Ar and other radiometric age data, indicate that the Bras d'Or and Mira terranes had...
Image
Rb–Sr mineral isochrons for two samples from the <b>Mira</b> <b>terrane</b>: data-point e...
Published: 11 November 2014
Figure 4. Rb–Sr mineral isochrons for two samples from the Mira terrane: data-point error crosses are 2σ; m – current range (Å) on a magnetic separator at which a certain fraction is magnetic.
Image
Schematic stratigraphic columns for the <b>Mira</b> <b>terrane</b> and the Stavelot–Venn ...
Published: 24 July 2013
Fig. 6. Schematic stratigraphic columns for the Mira terrane and the Stavelot–Venn Massif showing U–Pb ages with 2σ errors for magmatic and youngest detrital zircon from this and previously published work. Stratigraphic columns in Mira terrane are modified from Barr et al. (1996
Journal Article
Published: 01 January 1993
Canadian Journal of Earth Sciences (1993) 30 (1): 1–10.
...Mary Lou Bevier; Sandra M. Barr; Chris E. White; Alan S. Macdonald Abstract New U–Pb ages for late Precambrian volcanic and associated plutonic units in the Mira (Avalon) terrane of southeastern Cape Breton Island indicate that volcanic suites were erupted over a span of at least 100 Ma. The oldest...
Journal Article
Published: 11 November 2014
Geological Magazine (2015) 152 (5): 767–787.
...Figure 4. Rb–Sr mineral isochrons for two samples from the Mira terrane: data-point error crosses are 2σ; m – current range (Å) on a magnetic separator at which a certain fraction is magnetic. ...
FIGURES | View All (6)
Journal Article
Published: 01 October 1990
Canadian Journal of Earth Sciences (1990) 27 (10): 1371–1381.
... docked with the Mira Terrane to the southeast no earlier than the Ordovician. Cambro-Ordovician sedimentary rocks of the Mira Terrane appear locally to be thrust over the Bras d'Or Terrane. Mississippian sedimentary rocks overlap both terranes. The present boundary, the Macintosh Brook Fault, is mainly...
Journal Article
Published: 01 November 1998
Canadian Journal of Earth Sciences (1998) 35 (11): 1252–1270.
...S M Barr; R P Raeside; C E White Abstract Geological correlations between Cape Breton Island and Newfoundland are apparent both in surface geology and at deeper crustal levels, based on similarities in Sm-Nd isotopic signatures. The Mira terrane of southeastern Cape Breton Island is part...
Journal Article
Published: 01 February 1995
Canadian Journal of Earth Sciences (1995) 32 (2): 216–223.
..., and Cadomian ages match published ages from the Bras d'Or terrane (and its correlatives) and the Mira terrane (and its correlatives), and indicate provenance of the conglomerate from both terranes. They also indicate that the Bras d'Or and Mira terranes had been connected by the time of deposition...
Journal Article
Published: 01 September 1991
Canadian Journal of Earth Sciences (1991) 28 (9): 1493–1494.
Journal Article
Published: 01 September 1991
Canadian Journal of Earth Sciences (1991) 28 (9): 1495–1497.
Journal Article
Journal: GSA Bulletin
Published: 01 March 2008
GSA Bulletin (2008) 120 (3-4): 347–367.
...J. Potter; F.J. Longstaffe; S.M. Barr Abstract Neoproterozoic igneous rocks of the Avalonian Mira terrane, Cape Breton Island, and Caledonia terrane, southern New Brunswick, have experienced regional 18 O-depletion. The majority of these rocks have δ 18 O WR values between −1 and +6‰, markedly...
FIGURES | View All (9)
Journal Article
Published: 26 August 2008
Canadian Journal of Earth Sciences (2008) 45 (7): 815–825.
... terrane have the lowest δ 18 O WR values (≥–3.1‰), followed by the Mira terrane in Cape Breton Island and the Caledonia terrane in New Brunswick (≥–1.2‰), the Avalon terrane in Newfoundland (≥+2.8‰), and the Antigonish Highlands in Nova Scotia (≥+5.3‰). In contrast, this depletion of 18 O is observed...
FIGURES
Journal Article
Published: 18 July 2000
Canadian Journal of Earth Sciences (2000) 37 (7): 1039–1052.
... for sedimentary rocks range from −8.4 to +3.6. A granite within the Kingston terrane has ε Nd (438 Ma) = +4.0. Nd isotopic compositions for the Kingston and Caledonia terranes are similar to those of the Mira terrane in Cape Breton Island, the Antigonish Highlands of Nova Scotia, and plutonic rocks of eastern...
FIGURES | View All (4)
Journal Article
Journal: Geology
Published: 01 September 1989
Geology (1989) 17 (9): 822–825.
...-Early Cambrian plutons, may be correlative with units previously included in the Gander terrane in southern Newfoundland and the Avalon terrane in southern New Brunswick. The Mira terrane in southeastern Cape Breton Island, including late Precambrian to Early Cambrian volcanic and sedimentary sequences...
Journal Article
Published: 01 April 1992
Canadian Journal of Earth Sciences (1992) 29 (4): 650–657.
... not be present. Granitic plutons and rhyolite in the Mira terrane of southeastern Cape Breton Island have a range in T DM (0.8–1.2 Ga) similar to that of the Aspy and Bras d'Or terranes, but initial ε Nd values ranging from +0.8 to +5.0 indicate more juvenile crust. This juvenile crust also appears to be present...
Journal Article
Published: 01 December 1993
Canadian Journal of Earth Sciences (1993) 30 (12): 2328–2333.
... age limit for major tectonic activity in the Avalon Zone and on the south coast of Newfoundland. The granites may correlate with plutons of closely similar age reported from the Aspy and Mira terranes of Cape Breton Island, Nova Scotia. Les granites de François et de St. Lawrence post...
Journal Article
Published: 10 March 2015
Journal of the Geological Society (2015) 172 (3): 294–308.
... Bashkirian Mira Formation are dominated by zircons in the 316–388 Ma age range, whereas the late Bashkirian to late Moscovian Brejeira Formation is dominated by zircons with an age range of 498–687 Ma. Detrital zircons spanning an age range of 0.9–1.1 Ga are present in the Brejeira Formation but are absent...
FIGURES | View All (7)
Journal Article
Published: 01 January 2004
Journal of Paleontology (2004) 78 (1): 62–70.
...FUMIO KOBAYASHI Abstract A limestone block in the Shirokawa-Nomura area of western Shikoku (Japan) is interpreted to have been originated as a Panthalassan seamount, and is assigned to the northern part of the Southern Chichibu Terrane. The Late Permian foraminiferal fauna from this block...
FIGURES | View All (7)